From 7a1008a213c3f86ed2b954d4caa6cf5a5a925787 Mon Sep 17 00:00:00 2001 From: Felipe Rosado Date: Sat, 21 Feb 2026 17:11:24 -0500 Subject: [PATCH] feat: add files for yape challenge --- .idea/.gitignore | 8 + .idea/app-nodejs-codechallenge.iml | 9 + .idea/compiler.xml | 20 ++ .idea/encodings.xml | 7 + .idea/jarRepositories.xml | 20 ++ .idea/misc.xml | 15 + .idea/modules.xml | 8 + .idea/vcs.xml | 6 + README.md | 133 ++++++-- antifraud-service/.gitattributes | 2 + antifraud-service/.gitignore | 33 ++ .../.mvn/wrapper/maven-wrapper.properties | 3 + antifraud-service/Dockerfile | 10 + antifraud-service/mvnw | 295 ++++++++++++++++++ antifraud-service/mvnw.cmd | 189 +++++++++++ antifraud-service/pom.xml | 82 +++++ .../AntifraudServiceApplication.java | 13 + .../service/antifraud/config/KafkaConfig.java | 67 ++++ .../service/antifraud/config/KafkaTopics.java | 22 ++ .../antifraud/integration/KafkaConsumer.java | 65 ++++ .../antifraud/integration/KafkaProducer.java | 57 ++++ .../event/TransactionCreatedEvent.java | 31 ++ .../event/TransactionStatusUpdatedEvent.java | 31 ++ .../model/enums/TransactionStatusEnum.java | 30 ++ .../antifraud/service/RuleService.java | 49 +++ .../src/main/resources/application.yaml | 12 + .../AntifraudServiceApplicationTests.java | 13 + db/V1__create_transactions_table.sql | 13 + docker-compose.yml | 64 +++- gitignore.txt | 104 ++++++ transaction-service/.gitattributes | 2 + transaction-service/.gitignore | 33 ++ .../.mvn/wrapper/maven-wrapper.properties | 3 + transaction-service/Dockerfile | 11 + transaction-service/mvnw | 295 ++++++++++++++++++ transaction-service/mvnw.cmd | 189 +++++++++++ transaction-service/pom.xml | 101 ++++++ .../TransactionServiceApplication.java | 13 + .../transaction/config/KafkaConfig.java | 68 ++++ .../transaction/config/KafkaTopics.java | 22 ++ .../transaction/config/RedisConfig.java | 40 +++ .../controller/TransactionController.java | 47 +++ .../integration/KafkaConsumer.java | 67 ++++ .../integration/KafkaProducer.java | 57 ++++ .../event/TransactionCreatedEvent.java | 31 ++ .../event/TransactionStatusUpdatedEvent.java | 31 ++ .../transaction/model/entity/Transaction.java | 66 ++++ .../model/enums/TransactionStatusEnum.java | 30 ++ .../model/mapper/TransactionMapper.java | 62 ++++ .../request/TransactionCreateRequest.java | 46 +++ .../response/TransactionCreateResponse.java | 28 ++ .../response/TransactionListResponse.java | 54 ++++ .../repository/TransactionRepository.java | 26 ++ .../transaction/service/CacheService.java | 66 ++++ .../service/TransactionService.java | 76 +++++ .../TransactionValidationService.java | 36 +++ .../src/main/resources/application.yaml | 28 ++ .../TransactionServiceApplicationTests.java | 13 + 58 files changed, 2922 insertions(+), 30 deletions(-) create mode 100644 .idea/.gitignore create mode 100644 .idea/app-nodejs-codechallenge.iml create mode 100644 .idea/compiler.xml create mode 100644 .idea/encodings.xml create mode 100644 .idea/jarRepositories.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml create mode 100644 antifraud-service/.gitattributes create mode 100644 antifraud-service/.gitignore create mode 100644 antifraud-service/.mvn/wrapper/maven-wrapper.properties create mode 100644 antifraud-service/Dockerfile create mode 100644 antifraud-service/mvnw create mode 100644 antifraud-service/mvnw.cmd create mode 100644 antifraud-service/pom.xml create mode 100644 antifraud-service/src/main/java/com/service/antifraud/AntifraudServiceApplication.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/config/KafkaConfig.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/config/KafkaTopics.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/integration/KafkaConsumer.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/integration/KafkaProducer.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionCreatedEvent.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionStatusUpdatedEvent.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/model/enums/TransactionStatusEnum.java create mode 100644 antifraud-service/src/main/java/com/service/antifraud/service/RuleService.java create mode 100644 antifraud-service/src/main/resources/application.yaml create mode 100644 antifraud-service/src/test/java/com/service/antifraud/AntifraudServiceApplicationTests.java create mode 100644 db/V1__create_transactions_table.sql create mode 100644 gitignore.txt create mode 100644 transaction-service/.gitattributes create mode 100644 transaction-service/.gitignore create mode 100644 transaction-service/.mvn/wrapper/maven-wrapper.properties create mode 100644 transaction-service/Dockerfile create mode 100644 transaction-service/mvnw create mode 100644 transaction-service/mvnw.cmd create mode 100644 transaction-service/pom.xml create mode 100644 transaction-service/src/main/java/com/service/transaction/TransactionServiceApplication.java create mode 100644 transaction-service/src/main/java/com/service/transaction/config/KafkaConfig.java create mode 100644 transaction-service/src/main/java/com/service/transaction/config/KafkaTopics.java create mode 100644 transaction-service/src/main/java/com/service/transaction/config/RedisConfig.java create mode 100644 transaction-service/src/main/java/com/service/transaction/controller/TransactionController.java create mode 100644 transaction-service/src/main/java/com/service/transaction/integration/KafkaConsumer.java create mode 100644 transaction-service/src/main/java/com/service/transaction/integration/KafkaProducer.java create mode 100644 transaction-service/src/main/java/com/service/transaction/integration/event/TransactionCreatedEvent.java create mode 100644 transaction-service/src/main/java/com/service/transaction/integration/event/TransactionStatusUpdatedEvent.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/entity/Transaction.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/enums/TransactionStatusEnum.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/mapper/TransactionMapper.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/request/TransactionCreateRequest.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/response/TransactionCreateResponse.java create mode 100644 transaction-service/src/main/java/com/service/transaction/model/response/TransactionListResponse.java create mode 100644 transaction-service/src/main/java/com/service/transaction/repository/TransactionRepository.java create mode 100644 transaction-service/src/main/java/com/service/transaction/service/CacheService.java create mode 100644 transaction-service/src/main/java/com/service/transaction/service/TransactionService.java create mode 100644 transaction-service/src/main/java/com/service/transaction/service/validation/TransactionValidationService.java create mode 100644 transaction-service/src/main/resources/application.yaml create mode 100644 transaction-service/src/test/java/com/service/transaction/TransactionServiceApplicationTests.java diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000000..13566b81b0 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/app-nodejs-codechallenge.iml b/.idea/app-nodejs-codechallenge.iml new file mode 100644 index 0000000000..d6ebd48059 --- /dev/null +++ b/.idea/app-nodejs-codechallenge.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000000..774e84f4cd --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 0000000000..7cf716e071 --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 0000000000..712ab9d985 --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000000..37eda37edc --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,15 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000000..65867f62de --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000000..35eb1ddfbb --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/README.md b/README.md index b067a71026..d376a8b605 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ # Yape Code Challenge :rocket: -Our code challenge will let you marvel us with your Jedi coding skills :smile:. +Our code challenge will let you marvel us with your Jedi coding skills :smile:. Don't forget that the proper way to submit your work is to fork the repo and create a PR :wink: ... have fun !! @@ -8,6 +8,8 @@ Don't forget that the proper way to submit your work is to fork the repo and cre - [Tech Stack](#tech_stack) - [Send us your challenge](#send_us_your_challenge) +--- + # Problem Every time a financial transaction is created it must be validated by our anti-fraud microservice and then the same service sends a message back to update the transaction status. @@ -16,7 +18,7 @@ For now, we have only three transaction statuses:
  1. pending
  2. approved
    3. -
  3. rejected
    4. +
  4. rejected
Every transaction with a value greater than 1000 should be rejected. @@ -30,50 +32,131 @@ Every transaction with a value greater than 1000 should be rejected. Transaction -- Update transaction Status event--> transactionDatabase[(Database)] ``` +--- + # Tech Stack
    -
  1. Node. You can use any framework you want (i.e. Nestjs with an ORM like TypeOrm or Prisma)
    2. -
  2. Any database
    3. -
  3. Kafka
    4. +
  4. Java 21 con Spring Boot 4.x + WebFlux (Reactivo)
    5. +
  5. PostgreSQL 17 como base de datos
    6. +
  6. Kafka para comunicación asíncrona entre microservicios
    7. +
  7. Redis como capa de caché para alto volumen
    8. +
  8. R2DBC para conexión reactiva a PostgreSQL
-We do provide a `Dockerfile` to help you get started with a dev environment. +# Getting Started + +### Prerrequisitos + +- Docker y Docker Compose instalados +- Java 21 (solo para desarrollo local) +- Maven 3.9+ (solo para desarrollo local) + +### Levanta todo con un solo comando + +```bash +docker-compose up --build +``` + +Microservicios disponibles: -You must have two resources: +| Servicio | URL / Puerto | +|----------------------|---------------------------| +| Transaction API | http://localhost:8080 | +| PostgreSQL | localhost:5432 | +| Kafka | localhost:9092 | +| Redis | localhost:6379 | -1. Resource to create a transaction that must containt: +--- +# APIs Documentation + +## Crear una transacción + +```http +POST /v1/transactions +Content-Type: application/json +``` +## Probar + +```bash +curl --location 'http://localhost:8080/v1/transactions' \ +--header 'Content-Type: application/json' \ +--data '{ + "accountExternalIdDebit": "d62a2a4c-65ac-4c61-aacf-59ab55e7c970", + "accountExternalIdCredit": "d62a2a4c-65ac-4c61-aacf-59ab55e7c971", + "transferTypeId": 1, + "value": 100.10 +}' + +**Response `201 Created`:** ```json { - "accountExternalIdDebit": "Guid", - "accountExternalIdCredit": "Guid", - "tranferTypeId": 1, - "value": 120 + "transactionAmount": 100.10, + "transactionExternalId": "578fa71b-f0f1-490b-8a1c-0645fadd2ba4", + "transactionId": "498329fd-ee36-4525-8b71-f09e56b74a8b" } ``` -2. Resource to retrieve a transaction +--- +## Consultar una transacción + +```http +GET /v1/transactions/{transactionExternalId} +``` +curl --location 'http://localhost:8080/v1/transactions/578fa71b-f0f1-490b-8a1c-0645fadd2ba4' + +**Response `200 OK`:** ```json { - "transactionExternalId": "Guid", - "transactionType": { - "name": "" - }, - "transactionStatus": { - "name": "" - }, - "value": 120, - "createdAt": "Date" + "transactionExternalId": "578fa71b-f0f1-490b-8a1c-0645fadd2ba4", + "transactionType": { + "name": "Debit" + }, + "transactionStatus": { + "name": "Approved" + }, + "value": 100.10, + "createdAt": "2026-02-21 16:38:46" } ``` -## Optional +--- + +# Kafka Events + +| Topic | Productor | Consumidor | +|--------------------------------|-----------------------|-----------------------| +| `transaction.created` | Transaction Service | Anti-Fraud Service | +| `transaction.status.updated` | Anti-Fraud Service | Transaction Service | + +### `transaction.created` +```json +{ + "transactionExternalId": "578fa71b-f0f1-490b-8a1c-0645fadd2ba4", + "value": 120 +} +``` + +### `transaction.status.updated` +```json +{ + "transactionExternalId": "578fa71b-f0f1-490b-8a1c-0645fadd2ba4", + "status": "Approved" +} +``` + +--- + +# Optional Solution + +Para manejar alto volumen de lecturas y escrituras simultáneas se implementó una estrategia de **Cache-Aside con Redis**: -You can use any approach to store transaction data but you should consider that we may deal with high volume scenarios where we have a huge amount of writes and reads for the same data at the same time. How would you tackle this requirement? +### ¿Cómo funciona? -You can use Graphql; +Cuando crea la transacción, en simultane ejecuta el evento para kafka y guarda los datos de la transaccion en cache, cuando alguien quiere consultar el endoint del detalle de la transaccion, irá primero a cache y ya no a la base de datos, si no existe, irá a la base de datos. Esto en un escensario de alto volumen, beneficia en cuanto tiempos de respuesta. Una vez que el microservicio antifraude, valida la regla para aprobar o rechazar, envia al topico para que el microservicio de transaction actualice el estado y ademas refresca el cache con el estado tambien. +--- # Send us your challenge diff --git a/antifraud-service/.gitattributes b/antifraud-service/.gitattributes new file mode 100644 index 0000000000..3b41682ac5 --- /dev/null +++ b/antifraud-service/.gitattributes @@ -0,0 +1,2 @@ +/mvnw text eol=lf +*.cmd text eol=crlf diff --git a/antifraud-service/.gitignore b/antifraud-service/.gitignore new file mode 100644 index 0000000000..667aaef0c8 --- /dev/null +++ b/antifraud-service/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/antifraud-service/.mvn/wrapper/maven-wrapper.properties b/antifraud-service/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000000..8dea6c227c --- /dev/null +++ b/antifraud-service/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,3 @@ +wrapperVersion=3.3.4 +distributionType=only-script +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip diff --git a/antifraud-service/Dockerfile b/antifraud-service/Dockerfile new file mode 100644 index 0000000000..b3d38f9d66 --- /dev/null +++ b/antifraud-service/Dockerfile @@ -0,0 +1,10 @@ +FROM maven:3.9-eclipse-temurin-21 AS builder +WORKDIR /app +COPY pom.xml . +COPY src ./src +RUN mvn clean package -Dmaven.test.skip=true + +FROM eclipse-temurin:21-jre +WORKDIR /app +COPY --from=builder /app/target/*.jar app.jar +ENTRYPOINT ["java", "-jar", "app.jar"] \ No newline at end of file diff --git a/antifraud-service/mvnw b/antifraud-service/mvnw new file mode 100644 index 0000000000..bd8896bf22 --- /dev/null +++ b/antifraud-service/mvnw @@ -0,0 +1,295 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Apache Maven Wrapper startup batch script, version 3.3.4 +# +# Optional ENV vars +# ----------------- +# JAVA_HOME - location of a JDK home dir, required when download maven via java source +# MVNW_REPOURL - repo url base for downloading maven distribution +# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output +# ---------------------------------------------------------------------------- + +set -euf +[ "${MVNW_VERBOSE-}" != debug ] || set -x + +# OS specific support. +native_path() { printf %s\\n "$1"; } +case "$(uname)" in +CYGWIN* | MINGW*) + [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")" + native_path() { cygpath --path --windows "$1"; } + ;; +esac + +# set JAVACMD and JAVACCMD +set_java_home() { + # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched + if [ -n "${JAVA_HOME-}" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + JAVACCMD="$JAVA_HOME/jre/sh/javac" + else + JAVACMD="$JAVA_HOME/bin/java" + JAVACCMD="$JAVA_HOME/bin/javac" + + if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then + echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2 + echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2 + return 1 + fi + fi + else + JAVACMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v java + )" || : + JAVACCMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v javac + )" || : + + if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then + echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2 + return 1 + fi + fi +} + +# hash string like Java String::hashCode +hash_string() { + str="${1:-}" h=0 + while [ -n "$str" ]; do + char="${str%"${str#?}"}" + h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296)) + str="${str#?}" + done + printf %x\\n $h +} + +verbose() { :; } +[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; } + +die() { + printf %s\\n "$1" >&2 + exit 1 +} + +trim() { + # MWRAPPER-139: + # Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds. + # Needed for removing poorly interpreted newline sequences when running in more + # exotic environments such as mingw bash on Windows. + printf "%s" "${1}" | tr -d '[:space:]' +} + +scriptDir="$(dirname "$0")" +scriptName="$(basename "$0")" + +# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties +while IFS="=" read -r key value; do + case "${key-}" in + distributionUrl) distributionUrl=$(trim "${value-}") ;; + distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;; + esac +done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties" +[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" + +case "${distributionUrl##*/}" in +maven-mvnd-*bin.*) + MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ + case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in + *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;; + :Darwin*x86_64) distributionPlatform=darwin-amd64 ;; + :Darwin*arm64) distributionPlatform=darwin-aarch64 ;; + :Linux*x86_64*) distributionPlatform=linux-amd64 ;; + *) + echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2 + distributionPlatform=linux-amd64 + ;; + esac + distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip" + ;; +maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;; +*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;; +esac + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}" +distributionUrlName="${distributionUrl##*/}" +distributionUrlNameMain="${distributionUrlName%.*}" +distributionUrlNameMain="${distributionUrlNameMain%-bin}" +MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}" +MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")" + +exec_maven() { + unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || : + exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD" +} + +if [ -d "$MAVEN_HOME" ]; then + verbose "found existing MAVEN_HOME at $MAVEN_HOME" + exec_maven "$@" +fi + +case "${distributionUrl-}" in +*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;; +*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;; +esac + +# prepare tmp dir +if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then + clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; } + trap clean HUP INT TERM EXIT +else + die "cannot create temp dir" +fi + +mkdir -p -- "${MAVEN_HOME%/*}" + +# Download and Install Apache Maven +verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +verbose "Downloading from: $distributionUrl" +verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +# select .zip or .tar.gz +if ! command -v unzip >/dev/null; then + distributionUrl="${distributionUrl%.zip}.tar.gz" + distributionUrlName="${distributionUrl##*/}" +fi + +# verbose opt +__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR='' +[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v + +# normalize http auth +case "${MVNW_PASSWORD:+has-password}" in +'') MVNW_USERNAME='' MVNW_PASSWORD='' ;; +has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;; +esac + +if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then + verbose "Found wget ... using wget" + wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl" +elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then + verbose "Found curl ... using curl" + curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl" +elif set_java_home; then + verbose "Falling back to use Java to download" + javaSource="$TMP_DOWNLOAD_DIR/Downloader.java" + targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName" + cat >"$javaSource" <<-END + public class Downloader extends java.net.Authenticator + { + protected java.net.PasswordAuthentication getPasswordAuthentication() + { + return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() ); + } + public static void main( String[] args ) throws Exception + { + setDefault( new Downloader() ); + java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() ); + } + } + END + # For Cygwin/MinGW, switch paths to Windows format before running javac and java + verbose " - Compiling Downloader.java ..." + "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java" + verbose " - Running Downloader.java ..." + "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")" +fi + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +if [ -n "${distributionSha256Sum-}" ]; then + distributionSha256Result=false + if [ "$MVN_CMD" = mvnd.sh ]; then + echo "Checksum validation is not supported for maven-mvnd." >&2 + echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + elif command -v sha256sum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then + distributionSha256Result=true + fi + elif command -v shasum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then + distributionSha256Result=true + fi + else + echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2 + echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + fi + if [ $distributionSha256Result = false ]; then + echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2 + echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2 + exit 1 + fi +fi + +# unzip and move +if command -v unzip >/dev/null; then + unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip" +else + tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar" +fi + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +actualDistributionDir="" + +# First try the expected directory name (for regular distributions) +if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then + if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then + actualDistributionDir="$distributionUrlNameMain" + fi +fi + +# If not found, search for any directory with the Maven executable (for snapshots) +if [ -z "$actualDistributionDir" ]; then + # enable globbing to iterate over items + set +f + for dir in "$TMP_DOWNLOAD_DIR"/*; do + if [ -d "$dir" ]; then + if [ -f "$dir/bin/$MVN_CMD" ]; then + actualDistributionDir="$(basename "$dir")" + break + fi + fi + done + set -f +fi + +if [ -z "$actualDistributionDir" ]; then + verbose "Contents of $TMP_DOWNLOAD_DIR:" + verbose "$(ls -la "$TMP_DOWNLOAD_DIR")" + die "Could not find Maven distribution directory in extracted archive" +fi + +verbose "Found extracted Maven distribution directory: $actualDistributionDir" +printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url" +mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME" + +clean || : +exec_maven "$@" diff --git a/antifraud-service/mvnw.cmd b/antifraud-service/mvnw.cmd new file mode 100644 index 0000000000..92450f9327 --- /dev/null +++ b/antifraud-service/mvnw.cmd @@ -0,0 +1,189 @@ +<# : batch portion +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Apache Maven Wrapper startup batch script, version 3.3.4 +@REM +@REM Optional ENV vars +@REM MVNW_REPOURL - repo url base for downloading maven distribution +@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output +@REM ---------------------------------------------------------------------------- + +@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0) +@SET __MVNW_CMD__= +@SET __MVNW_ERROR__= +@SET __MVNW_PSMODULEP_SAVE=%PSModulePath% +@SET PSModulePath= +@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @( + IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B) +) +@SET PSModulePath=%__MVNW_PSMODULEP_SAVE% +@SET __MVNW_PSMODULEP_SAVE= +@SET __MVNW_ARG0_NAME__= +@SET MVNW_USERNAME= +@SET MVNW_PASSWORD= +@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*) +@echo Cannot start maven from wrapper >&2 && exit /b 1 +@GOTO :EOF +: end batch / begin powershell #> + +$ErrorActionPreference = "Stop" +if ($env:MVNW_VERBOSE -eq "true") { + $VerbosePreference = "Continue" +} + +# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties +$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl +if (!$distributionUrl) { + Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" +} + +switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) { + "maven-mvnd-*" { + $USE_MVND = $true + $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip" + $MVN_CMD = "mvnd.cmd" + break + } + default { + $USE_MVND = $false + $MVN_CMD = $script -replace '^mvnw','mvn' + break + } +} + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +if ($env:MVNW_REPOURL) { + $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" } + $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')" +} +$distributionUrlName = $distributionUrl -replace '^.*/','' +$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$','' + +$MAVEN_M2_PATH = "$HOME/.m2" +if ($env:MAVEN_USER_HOME) { + $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME" +} + +if (-not (Test-Path -Path $MAVEN_M2_PATH)) { + New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null +} + +$MAVEN_WRAPPER_DISTS = $null +if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) { + $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists" +} else { + $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists" +} + +$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain" +$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join '' +$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME" + +if (Test-Path -Path "$MAVEN_HOME" -PathType Container) { + Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME" + Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" + exit $? +} + +if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) { + Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl" +} + +# prepare tmp dir +$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile +$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir" +$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null +trap { + if ($TMP_DOWNLOAD_DIR.Exists) { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } + } +} + +New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null + +# Download and Install Apache Maven +Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +Write-Verbose "Downloading from: $distributionUrl" +Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +$webclient = New-Object System.Net.WebClient +if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) { + $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD) +} +[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 +$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum +if ($distributionSha256Sum) { + if ($USE_MVND) { + Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." + } + Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash + if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) { + Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property." + } +} + +# unzip and move +Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +$actualDistributionDir = "" + +# First try the expected directory name (for regular distributions) +$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain" +$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD" +if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) { + $actualDistributionDir = $distributionUrlNameMain +} + +# If not found, search for any directory with the Maven executable (for snapshots) +if (!$actualDistributionDir) { + Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object { + $testPath = Join-Path $_.FullName "bin/$MVN_CMD" + if (Test-Path -Path $testPath -PathType Leaf) { + $actualDistributionDir = $_.Name + } + } +} + +if (!$actualDistributionDir) { + Write-Error "Could not find Maven distribution directory in extracted archive" +} + +Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir" +Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null +try { + Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null +} catch { + if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) { + Write-Error "fail to move MAVEN_HOME" + } +} finally { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } +} + +Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" diff --git a/antifraud-service/pom.xml b/antifraud-service/pom.xml new file mode 100644 index 0000000000..d57c59f2a7 --- /dev/null +++ b/antifraud-service/pom.xml @@ -0,0 +1,82 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 4.0.3 + + + com.service.transaction + antifraud-service + 1.0.0-SNAPSHOT + antifraud-service + Demo project for Spring Boot + + + + + + + + + + + + + + + 21 + + + + org.springframework.boot + spring-boot-starter-webflux + + + com.fasterxml.jackson.core + jackson-databind + + + com.fasterxml.jackson.datatype + jackson-datatype-jsr310 + + + org.springframework.kafka + spring-kafka + + + io.projectreactor.kafka + reactor-kafka + 1.3.25 + + + org.springframework.boot + spring-boot-starter-validation + + + org.projectlombok + lombok + true + + + org.springframework.boot + spring-boot-starter-test + test + + + io.projectreactor + reactor-test + test + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/AntifraudServiceApplication.java b/antifraud-service/src/main/java/com/service/antifraud/AntifraudServiceApplication.java new file mode 100644 index 0000000000..4ab01a60fa --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/AntifraudServiceApplication.java @@ -0,0 +1,13 @@ +package com.service.antifraud; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class AntifraudServiceApplication { + + public static void main(String[] args) { + SpringApplication.run(AntifraudServiceApplication.class, args); + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/config/KafkaConfig.java b/antifraud-service/src/main/java/com/service/antifraud/config/KafkaConfig.java new file mode 100644 index 0000000000..cf8bcc4458 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/config/KafkaConfig.java @@ -0,0 +1,67 @@ +package com.service.antifraud.config; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.SerializationFeature; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.kafka.common.serialization.StringSerializer; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import reactor.kafka.receiver.ReceiverOptions; +import reactor.kafka.sender.KafkaSender; +import reactor.kafka.sender.SenderOptions; +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +/** + * Class: KafkaConfig
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Configuration +public class KafkaConfig { + + @Value("${spring.kafka.bootstrap-servers}") + private String bootstrapServers; + + @Bean + public ObjectMapper objectMapper() { + ObjectMapper mapper = new ObjectMapper(); + mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); + return mapper; + } + + @Bean + public KafkaSender kafkaSender() { + Map props = new HashMap<>(); + props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers); + props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class); + props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class); + SenderOptions senderOptions = SenderOptions.create(props); + return KafkaSender.create(senderOptions); + } + + @Bean + public ReceiverOptions receiverOptions() { + Map props = new HashMap<>(); + props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers); + props.put(ConsumerConfig.GROUP_ID_CONFIG, "transaction-service-group"); + props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); + props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); + props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); + + return ReceiverOptions.create(props) + .subscription(Collections.singleton(KafkaTopics.TRANSACTION_CREATED)); + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/config/KafkaTopics.java b/antifraud-service/src/main/java/com/service/antifraud/config/KafkaTopics.java new file mode 100644 index 0000000000..aea7921792 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/config/KafkaTopics.java @@ -0,0 +1,22 @@ +package com.service.antifraud.config; + +/** + * Class: KafkaTopics
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +public final class KafkaTopics { + + private KafkaTopics() {} + + public static final String TRANSACTION_CREATED = "transaction.created"; + public static final String TRANSACTION_STATUS_UPDATED = "transaction.status.updated"; + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaConsumer.java b/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaConsumer.java new file mode 100644 index 0000000000..3706410218 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaConsumer.java @@ -0,0 +1,65 @@ +package com.service.antifraud.integration; + +import com.service.antifraud.integration.event.TransactionCreatedEvent; +import com.service.antifraud.service.RuleService; +import jakarta.annotation.PostConstruct; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import reactor.kafka.receiver.KafkaReceiver; +import reactor.kafka.receiver.ReceiverOptions; +import tools.jackson.databind.ObjectMapper; + +/** + * Class: KafkaConsumer
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class KafkaConsumer { + + private final ReceiverOptions receiverOptions; + private final RuleService ruleService; + private final ObjectMapper objectMapper; + + @PostConstruct + public void startConsuming() { + KafkaReceiver.create(receiverOptions) + .receive() + .flatMap(record -> { + log.info("Received message to topic: {} with key: {}", + record.topic(), record.key()); + return processEvent(record.value()) + .doOnSuccess(v -> record.receiverOffset().acknowledge()) + .doOnError(e -> log.error("An error occurred event: {}", e.getMessage())); + }) + .subscribe(); + } + + private Mono processEvent(Object value) { + try { + String jsonValue = value.toString(); + TransactionCreatedEvent event = objectMapper.readValue( + jsonValue, + TransactionCreatedEvent.class + ); + log.info("Updated status with transactionExternalId: {}", + event.getTransactionExternalId()); + return ruleService.validate(event); + } catch (Exception e) { + log.error("An occurred an error parsing: {}", e.getMessage()); + return Mono.empty(); + } + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaProducer.java b/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaProducer.java new file mode 100644 index 0000000000..5800ed7fea --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/integration/KafkaProducer.java @@ -0,0 +1,57 @@ +package com.service.antifraud.integration; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.service.antifraud.config.KafkaTopics; +import com.service.antifraud.integration.event.TransactionStatusUpdatedEvent; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import reactor.kafka.sender.KafkaSender; +import reactor.kafka.sender.SenderRecord; + +/** + * Class: KafkaProducer
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class KafkaProducer { + + private final KafkaSender kafkaSender; + private final ObjectMapper objectMapper; + + public Mono publishTransactionUpdated(TransactionStatusUpdatedEvent event) { + return publish( + KafkaTopics.TRANSACTION_STATUS_UPDATED, + event.getTransactionExternalId().toString(), + event + ); + } + + private Mono publish(String topic, String key, Object value) { + try { + String jsonValue = objectMapper.writeValueAsString(value); + ProducerRecord record = new ProducerRecord<>(topic, key, jsonValue); + return kafkaSender + .send(Mono.just(SenderRecord.create(record, null))) + .doOnNext(r -> log.info("Event published to topic {} with key: {}", topic, key)) + .doOnError(e -> log.error("An occurred an error to publishing → {}", e.getMessage())) + .then(); + } catch (JsonProcessingException e) { + return Mono.error(new RuntimeException("An occurred an error serializing", e)); + } + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionCreatedEvent.java b/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionCreatedEvent.java new file mode 100644 index 0000000000..b00f7c42e3 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionCreatedEvent.java @@ -0,0 +1,31 @@ +package com.service.antifraud.integration.event; + +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; +import java.math.BigDecimal; +import java.util.UUID; + +/** + * Class: TransactionCreatedEvent
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionCreatedEvent { + + private UUID transactionExternalId; + private BigDecimal value; + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionStatusUpdatedEvent.java b/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionStatusUpdatedEvent.java new file mode 100644 index 0000000000..a0721170b9 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/integration/event/TransactionStatusUpdatedEvent.java @@ -0,0 +1,31 @@ +package com.service.antifraud.integration.event; + +import com.service.antifraud.model.enums.TransactionStatusEnum; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; +import java.util.UUID; + +/** + * Class: TransactionStatusUpdatedEvent
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionStatusUpdatedEvent { + + private UUID transactionExternalId; + private TransactionStatusEnum status; + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/model/enums/TransactionStatusEnum.java b/antifraud-service/src/main/java/com/service/antifraud/model/enums/TransactionStatusEnum.java new file mode 100644 index 0000000000..643fce5b57 --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/model/enums/TransactionStatusEnum.java @@ -0,0 +1,30 @@ +package com.service.antifraud.model.enums; + +import lombok.Getter; + +/** + * Class: TransactionStatusEnum
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Getter +public enum TransactionStatusEnum { + + PENDING("Pending"), + APPROVED("Approved"), + REJECTED("Rejected"); + + private final String value; + + TransactionStatusEnum(String value) { + this.value = value; + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/java/com/service/antifraud/service/RuleService.java b/antifraud-service/src/main/java/com/service/antifraud/service/RuleService.java new file mode 100644 index 0000000000..f8505a51ab --- /dev/null +++ b/antifraud-service/src/main/java/com/service/antifraud/service/RuleService.java @@ -0,0 +1,49 @@ +package com.service.antifraud.service; + +import com.service.antifraud.integration.KafkaProducer; +import com.service.antifraud.integration.event.TransactionCreatedEvent; +import com.service.antifraud.integration.event.TransactionStatusUpdatedEvent; +import com.service.antifraud.model.enums.TransactionStatusEnum; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import java.math.BigDecimal; + +/** + * Class: RuleService
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class RuleService { + + private static final BigDecimal MAX_ALLOWED_VALUE = new BigDecimal("1000"); + private final KafkaProducer kafkaProducer; + + public Mono validate(TransactionCreatedEvent event) { + TransactionStatusEnum status = isRejected(event.getValue()) + ? TransactionStatusEnum.REJECTED : TransactionStatusEnum.APPROVED; + log.info("Validated rule, status is: {}", status); + + TransactionStatusUpdatedEvent response = TransactionStatusUpdatedEvent.builder() + .transactionExternalId(event.getTransactionExternalId()) + .status(status) + .build(); + return kafkaProducer.publishTransactionUpdated(response); + } + + private boolean isRejected(BigDecimal value) { + return value.compareTo(MAX_ALLOWED_VALUE) > 0; + } + +} \ No newline at end of file diff --git a/antifraud-service/src/main/resources/application.yaml b/antifraud-service/src/main/resources/application.yaml new file mode 100644 index 0000000000..e4173759e5 --- /dev/null +++ b/antifraud-service/src/main/resources/application.yaml @@ -0,0 +1,12 @@ +spring: + kafka: + bootstrap-servers: ${KAFKA_BROKERS:localhost:9092} + producer: + key-serializer: org.apache.kafka.common.serialization.StringSerializer + value-serializer: org.springframework.kafka.support.serializer.JsonSerializer + consumer: + group-id: anti-fraud-service-group + key-deserializer: org.apache.kafka.common.serialization.StringDeserializer + value-deserializer: org.springframework.kafka.support.serializer.JsonDeserializer + properties: + spring.json.trusted.packages: "*" \ No newline at end of file diff --git a/antifraud-service/src/test/java/com/service/antifraud/AntifraudServiceApplicationTests.java b/antifraud-service/src/test/java/com/service/antifraud/AntifraudServiceApplicationTests.java new file mode 100644 index 0000000000..21047f1105 --- /dev/null +++ b/antifraud-service/src/test/java/com/service/antifraud/AntifraudServiceApplicationTests.java @@ -0,0 +1,13 @@ +package com.service.antifraud; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class AntifraudServiceApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/db/V1__create_transactions_table.sql b/db/V1__create_transactions_table.sql new file mode 100644 index 0000000000..ca3236d4c6 --- /dev/null +++ b/db/V1__create_transactions_table.sql @@ -0,0 +1,13 @@ +CREATE TABLE IF NOT EXISTS transactions( + + id UUID PRIMARY KEY DEFAULT gen_random_uuid(), + transaction_external_id UUID UNIQUE NOT NULL, + account_external_id_debit UUID NOT NULL, + account_external_id_credit UUID NOT NULL, + transfer_type_id INT NOT NULL, + value NUMERIC(12, 2) NOT NULL, + status VARCHAR(20) NOT NULL, + created_at TIMESTAMP DEFAULT NOW(), + updated_at TIMESTAMP DEFAULT NULL + +); \ No newline at end of file diff --git a/docker-compose.yml b/docker-compose.yml index 0e8807f21c..edba054080 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -1,19 +1,32 @@ version: "3.7" services: postgres: - image: postgres:14 + image: postgres:17 ports: - "5432:5432" environment: - - POSTGRES_USER=postgres - - POSTGRES_PASSWORD=postgres + POSTGRES_USER: postgres + POSTGRES_PASSWORD: postgres + POSTGRES_DB: transactions_db + healthcheck: + test: ["CMD-SHELL", "pg_isready -U postgres -d transactions_db"] + interval: 5s + timeout: 5s + retries: 10 + volumes: + - ./db:/docker-entrypoint-initdb.d + zookeeper: image: confluentinc/cp-zookeeper:5.5.3 environment: ZOOKEEPER_CLIENT_PORT: 2181 + kafka: image: confluentinc/cp-enterprise-kafka:5.5.3 - depends_on: [zookeeper] + depends_on: + - zookeeper + ports: + - "9092:9092" environment: KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181" KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092 @@ -21,5 +34,46 @@ services: KAFKA_BROKER_ID: 1 KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 KAFKA_JMX_PORT: 9991 + + #Se agrego redis como una solución opcional cuando se tiene escenarios de alto volumen: escritura y lectura, segun descrito en el reto + redis: + image: redis:7-alpine + ports: + - "6379:6379" + command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru + healthcheck: + test: ["CMD", "redis-cli", "ping"] + interval: 5s + timeout: 5s + retries: 10 + + transaction-service: + build: ./transaction-service ports: - - 9092:9092 + - "8080:8080" + depends_on: + postgres: + condition: service_healthy + kafka: + condition: service_started + redis: + condition: service_healthy + environment: + DB_HOST: postgres + DB_PORT: 5432 + DB_USER: postgres + DB_PASS: postgres + DB_NAME: transactions_db + KAFKA_BROKERS: kafka:29092 + REDIS_HOST: redis + REDIS_PORT: 6379 + restart: on-failure + + antifraud-service: + build: ./antifraud-service + depends_on: + kafka: + condition: service_started + environment: + KAFKA_BROKERS: kafka:29092 + restart: on-failure \ No newline at end of file diff --git a/gitignore.txt b/gitignore.txt new file mode 100644 index 0000000000..67045665db --- /dev/null +++ b/gitignore.txt @@ -0,0 +1,104 @@ +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +lerna-debug.log* + +# Diagnostic reports (https://nodejs.org/api/report.html) +report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage +*.lcov + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# TypeScript v1 declaration files +typings/ + +# TypeScript cache +*.tsbuildinfo + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Microbundle cache +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env +.env.test + +# parcel-bundler cache (https://parceljs.org/) +.cache + +# Next.js build output +.next + +# Nuxt.js build / generate output +.nuxt +dist + +# Gatsby files +.cache/ +# Comment in the public line in if your project uses Gatsby and *not* Next.js +# https://nextjs.org/blog/next-9-1#public-directory-support +# public + +# vuepress build output +.vuepress/dist + +# Serverless directories +.serverless/ + +# FuseBox cache +.fusebox/ + +# DynamoDB Local files +.dynamodb/ + +# TernJS port file +.tern-port diff --git a/transaction-service/.gitattributes b/transaction-service/.gitattributes new file mode 100644 index 0000000000..3b41682ac5 --- /dev/null +++ b/transaction-service/.gitattributes @@ -0,0 +1,2 @@ +/mvnw text eol=lf +*.cmd text eol=crlf diff --git a/transaction-service/.gitignore b/transaction-service/.gitignore new file mode 100644 index 0000000000..667aaef0c8 --- /dev/null +++ b/transaction-service/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/transaction-service/.mvn/wrapper/maven-wrapper.properties b/transaction-service/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000000..8dea6c227c --- /dev/null +++ b/transaction-service/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,3 @@ +wrapperVersion=3.3.4 +distributionType=only-script +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip diff --git a/transaction-service/Dockerfile b/transaction-service/Dockerfile new file mode 100644 index 0000000000..796829941d --- /dev/null +++ b/transaction-service/Dockerfile @@ -0,0 +1,11 @@ +FROM maven:3.9-eclipse-temurin-21 AS builder +WORKDIR /app +COPY pom.xml . +COPY src ./src +RUN mvn clean package -Dmaven.test.skip=true + +FROM eclipse-temurin:21-jre +WORKDIR /app +COPY --from=builder /app/target/*.jar app.jar +EXPOSE 8080 +ENTRYPOINT ["java", "-jar", "app.jar"] \ No newline at end of file diff --git a/transaction-service/mvnw b/transaction-service/mvnw new file mode 100644 index 0000000000..bd8896bf22 --- /dev/null +++ b/transaction-service/mvnw @@ -0,0 +1,295 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Apache Maven Wrapper startup batch script, version 3.3.4 +# +# Optional ENV vars +# ----------------- +# JAVA_HOME - location of a JDK home dir, required when download maven via java source +# MVNW_REPOURL - repo url base for downloading maven distribution +# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output +# ---------------------------------------------------------------------------- + +set -euf +[ "${MVNW_VERBOSE-}" != debug ] || set -x + +# OS specific support. +native_path() { printf %s\\n "$1"; } +case "$(uname)" in +CYGWIN* | MINGW*) + [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")" + native_path() { cygpath --path --windows "$1"; } + ;; +esac + +# set JAVACMD and JAVACCMD +set_java_home() { + # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched + if [ -n "${JAVA_HOME-}" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + JAVACCMD="$JAVA_HOME/jre/sh/javac" + else + JAVACMD="$JAVA_HOME/bin/java" + JAVACCMD="$JAVA_HOME/bin/javac" + + if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then + echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2 + echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2 + return 1 + fi + fi + else + JAVACMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v java + )" || : + JAVACCMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v javac + )" || : + + if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then + echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2 + return 1 + fi + fi +} + +# hash string like Java String::hashCode +hash_string() { + str="${1:-}" h=0 + while [ -n "$str" ]; do + char="${str%"${str#?}"}" + h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296)) + str="${str#?}" + done + printf %x\\n $h +} + +verbose() { :; } +[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; } + +die() { + printf %s\\n "$1" >&2 + exit 1 +} + +trim() { + # MWRAPPER-139: + # Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds. + # Needed for removing poorly interpreted newline sequences when running in more + # exotic environments such as mingw bash on Windows. + printf "%s" "${1}" | tr -d '[:space:]' +} + +scriptDir="$(dirname "$0")" +scriptName="$(basename "$0")" + +# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties +while IFS="=" read -r key value; do + case "${key-}" in + distributionUrl) distributionUrl=$(trim "${value-}") ;; + distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;; + esac +done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties" +[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" + +case "${distributionUrl##*/}" in +maven-mvnd-*bin.*) + MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ + case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in + *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;; + :Darwin*x86_64) distributionPlatform=darwin-amd64 ;; + :Darwin*arm64) distributionPlatform=darwin-aarch64 ;; + :Linux*x86_64*) distributionPlatform=linux-amd64 ;; + *) + echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2 + distributionPlatform=linux-amd64 + ;; + esac + distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip" + ;; +maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;; +*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;; +esac + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}" +distributionUrlName="${distributionUrl##*/}" +distributionUrlNameMain="${distributionUrlName%.*}" +distributionUrlNameMain="${distributionUrlNameMain%-bin}" +MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}" +MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")" + +exec_maven() { + unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || : + exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD" +} + +if [ -d "$MAVEN_HOME" ]; then + verbose "found existing MAVEN_HOME at $MAVEN_HOME" + exec_maven "$@" +fi + +case "${distributionUrl-}" in +*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;; +*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;; +esac + +# prepare tmp dir +if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then + clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; } + trap clean HUP INT TERM EXIT +else + die "cannot create temp dir" +fi + +mkdir -p -- "${MAVEN_HOME%/*}" + +# Download and Install Apache Maven +verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +verbose "Downloading from: $distributionUrl" +verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +# select .zip or .tar.gz +if ! command -v unzip >/dev/null; then + distributionUrl="${distributionUrl%.zip}.tar.gz" + distributionUrlName="${distributionUrl##*/}" +fi + +# verbose opt +__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR='' +[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v + +# normalize http auth +case "${MVNW_PASSWORD:+has-password}" in +'') MVNW_USERNAME='' MVNW_PASSWORD='' ;; +has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;; +esac + +if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then + verbose "Found wget ... using wget" + wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl" +elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then + verbose "Found curl ... using curl" + curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl" +elif set_java_home; then + verbose "Falling back to use Java to download" + javaSource="$TMP_DOWNLOAD_DIR/Downloader.java" + targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName" + cat >"$javaSource" <<-END + public class Downloader extends java.net.Authenticator + { + protected java.net.PasswordAuthentication getPasswordAuthentication() + { + return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() ); + } + public static void main( String[] args ) throws Exception + { + setDefault( new Downloader() ); + java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() ); + } + } + END + # For Cygwin/MinGW, switch paths to Windows format before running javac and java + verbose " - Compiling Downloader.java ..." + "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java" + verbose " - Running Downloader.java ..." + "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")" +fi + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +if [ -n "${distributionSha256Sum-}" ]; then + distributionSha256Result=false + if [ "$MVN_CMD" = mvnd.sh ]; then + echo "Checksum validation is not supported for maven-mvnd." >&2 + echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + elif command -v sha256sum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then + distributionSha256Result=true + fi + elif command -v shasum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then + distributionSha256Result=true + fi + else + echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2 + echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + fi + if [ $distributionSha256Result = false ]; then + echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2 + echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2 + exit 1 + fi +fi + +# unzip and move +if command -v unzip >/dev/null; then + unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip" +else + tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar" +fi + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +actualDistributionDir="" + +# First try the expected directory name (for regular distributions) +if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then + if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then + actualDistributionDir="$distributionUrlNameMain" + fi +fi + +# If not found, search for any directory with the Maven executable (for snapshots) +if [ -z "$actualDistributionDir" ]; then + # enable globbing to iterate over items + set +f + for dir in "$TMP_DOWNLOAD_DIR"/*; do + if [ -d "$dir" ]; then + if [ -f "$dir/bin/$MVN_CMD" ]; then + actualDistributionDir="$(basename "$dir")" + break + fi + fi + done + set -f +fi + +if [ -z "$actualDistributionDir" ]; then + verbose "Contents of $TMP_DOWNLOAD_DIR:" + verbose "$(ls -la "$TMP_DOWNLOAD_DIR")" + die "Could not find Maven distribution directory in extracted archive" +fi + +verbose "Found extracted Maven distribution directory: $actualDistributionDir" +printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url" +mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME" + +clean || : +exec_maven "$@" diff --git a/transaction-service/mvnw.cmd b/transaction-service/mvnw.cmd new file mode 100644 index 0000000000..92450f9327 --- /dev/null +++ b/transaction-service/mvnw.cmd @@ -0,0 +1,189 @@ +<# : batch portion +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Apache Maven Wrapper startup batch script, version 3.3.4 +@REM +@REM Optional ENV vars +@REM MVNW_REPOURL - repo url base for downloading maven distribution +@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output +@REM ---------------------------------------------------------------------------- + +@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0) +@SET __MVNW_CMD__= +@SET __MVNW_ERROR__= +@SET __MVNW_PSMODULEP_SAVE=%PSModulePath% +@SET PSModulePath= +@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @( + IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B) +) +@SET PSModulePath=%__MVNW_PSMODULEP_SAVE% +@SET __MVNW_PSMODULEP_SAVE= +@SET __MVNW_ARG0_NAME__= +@SET MVNW_USERNAME= +@SET MVNW_PASSWORD= +@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*) +@echo Cannot start maven from wrapper >&2 && exit /b 1 +@GOTO :EOF +: end batch / begin powershell #> + +$ErrorActionPreference = "Stop" +if ($env:MVNW_VERBOSE -eq "true") { + $VerbosePreference = "Continue" +} + +# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties +$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl +if (!$distributionUrl) { + Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" +} + +switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) { + "maven-mvnd-*" { + $USE_MVND = $true + $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip" + $MVN_CMD = "mvnd.cmd" + break + } + default { + $USE_MVND = $false + $MVN_CMD = $script -replace '^mvnw','mvn' + break + } +} + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +if ($env:MVNW_REPOURL) { + $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" } + $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')" +} +$distributionUrlName = $distributionUrl -replace '^.*/','' +$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$','' + +$MAVEN_M2_PATH = "$HOME/.m2" +if ($env:MAVEN_USER_HOME) { + $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME" +} + +if (-not (Test-Path -Path $MAVEN_M2_PATH)) { + New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null +} + +$MAVEN_WRAPPER_DISTS = $null +if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) { + $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists" +} else { + $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists" +} + +$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain" +$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join '' +$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME" + +if (Test-Path -Path "$MAVEN_HOME" -PathType Container) { + Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME" + Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" + exit $? +} + +if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) { + Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl" +} + +# prepare tmp dir +$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile +$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir" +$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null +trap { + if ($TMP_DOWNLOAD_DIR.Exists) { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } + } +} + +New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null + +# Download and Install Apache Maven +Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +Write-Verbose "Downloading from: $distributionUrl" +Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +$webclient = New-Object System.Net.WebClient +if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) { + $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD) +} +[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 +$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum +if ($distributionSha256Sum) { + if ($USE_MVND) { + Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." + } + Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash + if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) { + Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property." + } +} + +# unzip and move +Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +$actualDistributionDir = "" + +# First try the expected directory name (for regular distributions) +$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain" +$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD" +if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) { + $actualDistributionDir = $distributionUrlNameMain +} + +# If not found, search for any directory with the Maven executable (for snapshots) +if (!$actualDistributionDir) { + Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object { + $testPath = Join-Path $_.FullName "bin/$MVN_CMD" + if (Test-Path -Path $testPath -PathType Leaf) { + $actualDistributionDir = $_.Name + } + } +} + +if (!$actualDistributionDir) { + Write-Error "Could not find Maven distribution directory in extracted archive" +} + +Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir" +Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null +try { + Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null +} catch { + if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) { + Write-Error "fail to move MAVEN_HOME" + } +} finally { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } +} + +Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" diff --git a/transaction-service/pom.xml b/transaction-service/pom.xml new file mode 100644 index 0000000000..0adb201293 --- /dev/null +++ b/transaction-service/pom.xml @@ -0,0 +1,101 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 4.0.3 + + + com.service.transaction + transaction-service + 1.0.0-SNAPSHOT + transaction-service + Demo project for Spring Boot + + + + + + + + + + + + + + + 21 + + + + org.springframework.boot + spring-boot-starter-webflux + + + org.springframework.boot + spring-boot-starter-data-redis-reactive + + + com.fasterxml.jackson.core + jackson-databind + + + org.springframework.boot + spring-boot-starter-data-r2dbc + + + org.postgresql + r2dbc-postgresql + runtime + + + org.springframework.kafka + spring-kafka + + + io.projectreactor.kafka + reactor-kafka + 1.3.25 + + + org.springframework.boot + spring-boot-starter-validation + + + org.projectlombok + lombok + true + + + org.mapstruct + mapstruct + 1.6.3 + + + org.mapstruct + mapstruct-processor + 1.6.3 + + + org.springframework.boot + spring-boot-starter-test + test + + + io.projectreactor + reactor-test + test + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/TransactionServiceApplication.java b/transaction-service/src/main/java/com/service/transaction/TransactionServiceApplication.java new file mode 100644 index 0000000000..f47d3cc7c3 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/TransactionServiceApplication.java @@ -0,0 +1,13 @@ +package com.service.transaction; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class TransactionServiceApplication { + + public static void main(String[] args) { + SpringApplication.run(TransactionServiceApplication.class, args); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/config/KafkaConfig.java b/transaction-service/src/main/java/com/service/transaction/config/KafkaConfig.java new file mode 100644 index 0000000000..f3716a2a3f --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/config/KafkaConfig.java @@ -0,0 +1,68 @@ +package com.service.transaction.config; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.SerializationFeature; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.kafka.common.serialization.StringSerializer; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import reactor.kafka.receiver.ReceiverOptions; +import reactor.kafka.sender.KafkaSender; +import reactor.kafka.sender.SenderOptions; +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +/** + * Class: KafkaConfig
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Configuration +public class KafkaConfig { + + @Value("${spring.kafka.bootstrap-servers}") + private String bootstrapServers; + + @Bean + public ObjectMapper objectMapper() { + ObjectMapper mapper = new ObjectMapper(); + mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); + return mapper; + } + + @Bean + public KafkaSender kafkaSender() { + Map props = new HashMap<>(); + props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers); + props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class); + props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class); + + SenderOptions senderOptions = SenderOptions.create(props); + return KafkaSender.create(senderOptions); + } + + @Bean + public ReceiverOptions receiverOptions() { + Map props = new HashMap<>(); + props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers); + props.put(ConsumerConfig.GROUP_ID_CONFIG, "transaction-service-group"); + props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); + props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); + props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); + + return ReceiverOptions.create(props) + .subscription(Collections.singleton(KafkaTopics.TRANSACTION_STATUS_UPDATED)); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/config/KafkaTopics.java b/transaction-service/src/main/java/com/service/transaction/config/KafkaTopics.java new file mode 100644 index 0000000000..d61cc0db0f --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/config/KafkaTopics.java @@ -0,0 +1,22 @@ +package com.service.transaction.config; + +/** + * Class: KafkaTopics
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +public final class KafkaTopics { + + private KafkaTopics() {} + + public static final String TRANSACTION_CREATED = "transaction.created"; + public static final String TRANSACTION_STATUS_UPDATED = "transaction.status.updated"; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/config/RedisConfig.java b/transaction-service/src/main/java/com/service/transaction/config/RedisConfig.java new file mode 100644 index 0000000000..3b53486b63 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/config/RedisConfig.java @@ -0,0 +1,40 @@ +package com.service.transaction.config; + +import com.service.transaction.model.entity.Transaction; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory; +import org.springframework.data.redis.core.ReactiveRedisTemplate; +import org.springframework.data.redis.serializer.RedisSerializationContext; +import org.springframework.data.redis.serializer.RedisSerializer; + +/** + * Class: RedisConfig
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Configuration +public class RedisConfig { + + @Bean + @SuppressWarnings("unchecked") + public ReactiveRedisTemplate reactiveRedisTemplate( + ReactiveRedisConnectionFactory factory) { + RedisSerializationContext context = + RedisSerializationContext.newSerializationContext() + .key(RedisSerializer.string()) + .value((RedisSerializer)(RedisSerializer) RedisSerializer.json()) + .hashKey(RedisSerializer.string()) + .hashValue(RedisSerializer.json()) + .build(); + return new ReactiveRedisTemplate<>(factory, context); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/controller/TransactionController.java b/transaction-service/src/main/java/com/service/transaction/controller/TransactionController.java new file mode 100644 index 0000000000..8e32f96c0a --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/controller/TransactionController.java @@ -0,0 +1,47 @@ +package com.service.transaction.controller; + +import com.service.transaction.model.request.TransactionCreateRequest; +import com.service.transaction.model.response.TransactionCreateResponse; +import com.service.transaction.model.response.TransactionListResponse; +import com.service.transaction.service.TransactionService; +import jakarta.validation.Valid; +import lombok.RequiredArgsConstructor; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.*; +import reactor.core.publisher.Mono; +import java.util.UUID; + +/** + * Class: TransactionController
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@RestController +@RequestMapping("/v1/transactions") +@RequiredArgsConstructor +public class TransactionController { + + private final TransactionService transactionService; + + @PostMapping + public Mono> create( + @Valid @RequestBody TransactionCreateRequest request + ) { + return transactionService.create(request); + } + + @GetMapping("/{transactionExternalId}") + public Mono findByTransactionExternalId( + @PathVariable("transactionExternalId") UUID transactionExternalId + ) { + return transactionService.findByTransactionExternalId(transactionExternalId); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/integration/KafkaConsumer.java b/transaction-service/src/main/java/com/service/transaction/integration/KafkaConsumer.java new file mode 100644 index 0000000000..816104bc3c --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/integration/KafkaConsumer.java @@ -0,0 +1,67 @@ +package com.service.transaction.integration; + +import com.service.transaction.integration.event.TransactionStatusUpdatedEvent; +import com.service.transaction.service.TransactionService; +import jakarta.annotation.PostConstruct; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import reactor.kafka.receiver.KafkaReceiver; +import reactor.kafka.receiver.ReceiverOptions; +import tools.jackson.databind.ObjectMapper; + +/** + * Class: KafkaConsumer
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class KafkaConsumer { + + private final ReceiverOptions receiverOptions; + private final TransactionService transactionService; + private final ObjectMapper objectMapper; + + @PostConstruct + public void startConsuming() { + KafkaReceiver.create(receiverOptions) + .receive() + .flatMap(record -> { + log.info("Received event to topic: {} key: {}", + record.topic(), record.key()); + return processEvent(record.value()) + .doOnSuccess(v -> record.receiverOffset().acknowledge()) + .doOnError(e -> log.error("An occurred an error: {}", e.getMessage())); + }) + .subscribe(); + } + + private Mono processEvent(Object value) { + try { + String jsonValue = value.toString(); + TransactionStatusUpdatedEvent event = objectMapper.readValue( + jsonValue, TransactionStatusUpdatedEvent.class + ); + log.info("Updated record with transactionId: {} status: {}", + event.getTransactionExternalId(), event.getStatus()); + return transactionService.updateStatus( + event.getTransactionExternalId(), + event.getStatus() + ); + } catch (Exception e) { + log.error("An occurred an error in processEvent: {}", e.getMessage()); + return reactor.core.publisher.Mono.empty(); + } + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/integration/KafkaProducer.java b/transaction-service/src/main/java/com/service/transaction/integration/KafkaProducer.java new file mode 100644 index 0000000000..5cf501ac7a --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/integration/KafkaProducer.java @@ -0,0 +1,57 @@ +package com.service.transaction.integration; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.service.transaction.config.KafkaTopics; +import com.service.transaction.integration.event.TransactionCreatedEvent; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import reactor.kafka.sender.KafkaSender; +import reactor.kafka.sender.SenderRecord; + +/** + * Class: KafkaProducer
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class KafkaProducer { + + private final KafkaSender kafkaSender; + private final ObjectMapper objectMapper; + + public Mono publishTransactionCreated(TransactionCreatedEvent event) { + return publish( + KafkaTopics.TRANSACTION_CREATED, + event.getTransactionExternalId().toString(), + event + ); + } + + private Mono publish(String topic, String key, Object value) { + try { + String jsonValue = objectMapper.writeValueAsString(value); + ProducerRecord record = new ProducerRecord<>(topic, key, jsonValue); + return kafkaSender + .send(Mono.just(SenderRecord.create(record, null))) + .doOnNext(r -> log.info("Received event to topic: {} key: {}", topic, key)) + .doOnError(e -> log.error("An occurred an error publishing message → {}", e.getMessage())) + .then(); + } catch (JsonProcessingException e) { + return Mono.error(new RuntimeException("An occurred an error deserializing", e)); + } + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionCreatedEvent.java b/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionCreatedEvent.java new file mode 100644 index 0000000000..1055dca424 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionCreatedEvent.java @@ -0,0 +1,31 @@ +package com.service.transaction.integration.event; + +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; +import java.math.BigDecimal; +import java.util.UUID; + +/** + * Class: TransactionCreatedEvent
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionCreatedEvent { + + private UUID transactionExternalId; + private BigDecimal value; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionStatusUpdatedEvent.java b/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionStatusUpdatedEvent.java new file mode 100644 index 0000000000..7df39be84a --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/integration/event/TransactionStatusUpdatedEvent.java @@ -0,0 +1,31 @@ +package com.service.transaction.integration.event; + +import com.service.transaction.model.enums.TransactionStatusEnum; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; +import java.util.UUID; + +/** + * Class: TransactionStatusUpdatedEvent
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionStatusUpdatedEvent { + + private UUID transactionExternalId; + private TransactionStatusEnum status; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/entity/Transaction.java b/transaction-service/src/main/java/com/service/transaction/model/entity/Transaction.java new file mode 100644 index 0000000000..a3142d0def --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/entity/Transaction.java @@ -0,0 +1,66 @@ +package com.service.transaction.model.entity; + +import com.service.transaction.model.enums.TransactionStatusEnum; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Getter; +import lombok.NoArgsConstructor; +import lombok.Setter; +import org.springframework.data.annotation.Id; +import org.springframework.data.relational.core.mapping.Column; +import org.springframework.data.relational.core.mapping.Table; +import java.math.BigDecimal; +import java.time.LocalDateTime; +import java.util.UUID; + +/** + * Class: Transaction
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Getter +@Setter +@Table(schema = "public", name = "transactions") +@NoArgsConstructor +@AllArgsConstructor +@Builder +public class Transaction { + + @Id + @Column("id") + private UUID id; + + @Builder.Default + @Column("transaction_external_id") + private UUID transactionExternalId = UUID.randomUUID(); + + @Column("account_external_id_debit") + private UUID accountExternalIdDebit; + + @Column("account_external_id_credit") + private UUID accountExternalIdCredit; + + @Column("transfer_type_id") + private int transferTypeId; + + @Column("value") + private BigDecimal value; + + @Builder.Default + @Column("status") + private TransactionStatusEnum status = TransactionStatusEnum.PENDING; + + @Column("created_at") + private LocalDateTime createdAt; + + @Column("updated_at") + private LocalDateTime updatedAt; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/enums/TransactionStatusEnum.java b/transaction-service/src/main/java/com/service/transaction/model/enums/TransactionStatusEnum.java new file mode 100644 index 0000000000..10ae428b58 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/enums/TransactionStatusEnum.java @@ -0,0 +1,30 @@ +package com.service.transaction.model.enums; + +import lombok.Getter; + +/** + * Class: TransactionStatusEnum
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Getter +public enum TransactionStatusEnum { + + PENDING("Pending"), + APPROVED("Approved"), + REJECTED("Rejected"); + + private final String value; + + TransactionStatusEnum(String value) { + this.value = value; + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/mapper/TransactionMapper.java b/transaction-service/src/main/java/com/service/transaction/model/mapper/TransactionMapper.java new file mode 100644 index 0000000000..312350fbf0 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/mapper/TransactionMapper.java @@ -0,0 +1,62 @@ +package com.service.transaction.model.mapper; + +import com.service.transaction.model.entity.Transaction; +import com.service.transaction.model.request.TransactionCreateRequest; +import com.service.transaction.model.response.TransactionCreateResponse; +import com.service.transaction.model.response.TransactionListResponse; +import org.mapstruct.Mapper; +import org.mapstruct.Mapping; +import org.mapstruct.NullValueCheckStrategy; +import org.mapstruct.NullValuePropertyMappingStrategy; + +/** + * Class: TransactionMapper
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Mapper(componentModel = "spring", + nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE, + nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS) +public interface TransactionMapper { + + @Mapping(target = "accountExternalIdDebit", source = "accountExternalIdDebit") + @Mapping(target = "accountExternalIdCredit", source = "accountExternalIdCredit") + @Mapping(target = "transferTypeId", source = "transferTypeId") + @Mapping(target = "value", source = "value") + Transaction mapToEntity(TransactionCreateRequest request); + + @Mapping(target = "transactionId", source = "id") + @Mapping(target = "transactionExternalId", source = "transactionExternalId") + @Mapping(target = "transactionAmount", source = "value") + TransactionCreateResponse mapToCreateResponse(Transaction transaction); + + + default TransactionListResponse mapDetailResponse(Transaction transaction) { + return TransactionListResponse.builder() + .transactionExternalId(transaction.getTransactionExternalId()) + .transactionType(TransactionListResponse.TransactionTypeDto.builder() + .name(mapToTypeTransfer(transaction.getTransferTypeId())) + .build()) + .transactionStatus(TransactionListResponse.TransactionStatusDto.builder() + .name(transaction.getStatus().getValue()) + .build()) + .value(transaction.getValue()) + .createdAt(transaction.getCreatedAt()) + .build(); + } + + default String mapToTypeTransfer(int transferTypeId) { + if (transferTypeId == 1) { + return "Debit"; + } + return "Yape Transfer"; + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/request/TransactionCreateRequest.java b/transaction-service/src/main/java/com/service/transaction/model/request/TransactionCreateRequest.java new file mode 100644 index 0000000000..900749c173 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/request/TransactionCreateRequest.java @@ -0,0 +1,46 @@ +package com.service.transaction.model.request; + +import jakarta.validation.constraints.NotNull; +import jakarta.validation.constraints.Positive; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Getter; +import lombok.NoArgsConstructor; +import lombok.Setter; +import java.math.BigDecimal; +import java.util.UUID; + +/** + * Class: TransactionCreateRequest
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Getter +@Setter +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionCreateRequest { + + @NotNull(message = "accountExternalIdDebit es requerido") + private UUID accountExternalIdDebit; + + @NotNull(message = "accountExternalIdCredit es requerido") + private UUID accountExternalIdCredit; + + @NotNull(message = "tranferTypeId es requerido") + @Positive(message = "tranferTypeId debe ser mayor a 0") + private Integer transferTypeId; + + @NotNull(message = "value es requerido") + @Positive(message = "value debe ser mayor a 0") + private BigDecimal value; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/response/TransactionCreateResponse.java b/transaction-service/src/main/java/com/service/transaction/model/response/TransactionCreateResponse.java new file mode 100644 index 0000000000..fc0afa93b0 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/response/TransactionCreateResponse.java @@ -0,0 +1,28 @@ +package com.service.transaction.model.response; + +import lombok.Getter; +import lombok.Setter; +import java.math.BigDecimal; +import java.util.UUID; + +/** + * Class: TransactionCreateResponse
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Getter +@Setter +public class TransactionCreateResponse { + + private UUID transactionId; + private UUID transactionExternalId; + private BigDecimal transactionAmount; + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/model/response/TransactionListResponse.java b/transaction-service/src/main/java/com/service/transaction/model/response/TransactionListResponse.java new file mode 100644 index 0000000000..dd11c9d57b --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/model/response/TransactionListResponse.java @@ -0,0 +1,54 @@ +package com.service.transaction.model.response; + +import com.fasterxml.jackson.annotation.JsonFormat; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Data; +import lombok.NoArgsConstructor; +import java.math.BigDecimal; +import java.time.LocalDateTime; +import java.util.UUID; + +/** + * Class: TransactionListResponse
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Data +@Builder +@NoArgsConstructor +@AllArgsConstructor +public class TransactionListResponse { + + private UUID transactionExternalId; + private TransactionTypeDto transactionType; + private TransactionStatusDto transactionStatus; + private BigDecimal value; + + @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss") + private LocalDateTime createdAt; + + @Data + @Builder + @NoArgsConstructor + @AllArgsConstructor + public static class TransactionTypeDto { + private String name; + } + + @Data + @Builder + @NoArgsConstructor + @AllArgsConstructor + public static class TransactionStatusDto { + private String name; + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/repository/TransactionRepository.java b/transaction-service/src/main/java/com/service/transaction/repository/TransactionRepository.java new file mode 100644 index 0000000000..cb4330a658 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/repository/TransactionRepository.java @@ -0,0 +1,26 @@ +package com.service.transaction.repository; + +import com.service.transaction.model.entity.Transaction; +import org.springframework.data.repository.reactive.ReactiveCrudRepository; +import org.springframework.stereotype.Repository; +import reactor.core.publisher.Mono; +import java.util.UUID; + +/** + * Class: TransactionRepository
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Repository +public interface TransactionRepository extends ReactiveCrudRepository { + + Mono findByTransactionExternalId(UUID transactionExternalId); + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/service/CacheService.java b/transaction-service/src/main/java/com/service/transaction/service/CacheService.java new file mode 100644 index 0000000000..c6b944f849 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/service/CacheService.java @@ -0,0 +1,66 @@ +package com.service.transaction.service; + +import com.service.transaction.model.entity.Transaction; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.data.redis.core.ReactiveRedisTemplate; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import java.time.Duration; +import java.util.UUID; + +/** + * Class: CacheService
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Slf4j +@Service +@RequiredArgsConstructor +public class CacheService { + + private static final String PREFIX = "transaction:"; + private static final Duration TTL = Duration.ofSeconds(60); + + private final ReactiveRedisTemplate redisTemplate; + + public Mono save(Transaction transaction) { + String key = buildKey(transaction.getTransactionExternalId()); + return redisTemplate.opsForValue() + .set(key, transaction, TTL) + .doOnSuccess(v -> log.info("Cached record with key: {}", key)) + .then(); + } + + public Mono findById(UUID transactionExternalId) { + String key = buildKey(transactionExternalId); + return redisTemplate.opsForValue() + .get(key) + .doOnNext(v -> log.info("Cache found with key: {}", key)) + .doOnSuccess(v -> { + if (v == null) { + log.info("Cached not found with key: {}", key); + } + }); + } + + public Mono evict(UUID transactionExternalId) { + String key = buildKey(transactionExternalId); + return redisTemplate.opsForValue() + .delete(key) + .doOnSuccess(v -> log.info("Invalid cache with key: {}", key)) + .then(); + } + + private String buildKey(UUID transactionExternalId) { + return PREFIX + transactionExternalId; + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/service/TransactionService.java b/transaction-service/src/main/java/com/service/transaction/service/TransactionService.java new file mode 100644 index 0000000000..077bc1e175 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/service/TransactionService.java @@ -0,0 +1,76 @@ +package com.service.transaction.service; + +import com.service.transaction.integration.KafkaProducer; +import com.service.transaction.integration.event.TransactionCreatedEvent; +import com.service.transaction.model.enums.TransactionStatusEnum; +import com.service.transaction.model.mapper.TransactionMapper; +import com.service.transaction.model.request.TransactionCreateRequest; +import com.service.transaction.model.response.TransactionCreateResponse; +import com.service.transaction.model.response.TransactionListResponse; +import com.service.transaction.repository.TransactionRepository; +import com.service.transaction.service.validation.TransactionValidationService; +import lombok.RequiredArgsConstructor; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.stereotype.Service; +import reactor.core.publisher.Mono; +import java.util.UUID; + +/** + * Class: TransactionService
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Service +@RequiredArgsConstructor +public class TransactionService { + + private final TransactionRepository transactionRepository; + private final KafkaProducer kafkaProducer; + private final TransactionValidationService transactionValidationService; + private final CacheService cacheService; + private final TransactionMapper transactionMapper; + + public Mono> create(TransactionCreateRequest request) { + return transactionRepository.save(transactionMapper.mapToEntity(request)) + .flatMap(created -> + cacheService.save(created) + .thenReturn(created) + ).flatMap(created -> { + TransactionCreateResponse response = transactionMapper.mapToCreateResponse(created); + TransactionCreatedEvent event = TransactionCreatedEvent.builder() + .transactionExternalId(response.getTransactionExternalId()) + .value(response.getTransactionAmount()) + .build(); + return kafkaProducer.publishTransactionCreated(event) + .thenReturn(ResponseEntity.status(HttpStatus.CREATED).body(response)); + }); + } + + public Mono findByTransactionExternalId(UUID transactionExternalId) { + return cacheService.findById(transactionExternalId) + .switchIfEmpty( + transactionValidationService.checkIfExists(transactionExternalId) + .flatMap(transaction -> + cacheService.save(transaction) + .thenReturn(transaction)) + ).map(transactionMapper::mapDetailResponse); + } + + public Mono updateStatus(UUID transactionExternalId, TransactionStatusEnum status) { + return transactionValidationService.checkIfExists(transactionExternalId) + .flatMap(transaction -> { + transaction.setStatus(status); + return transactionRepository.save(transaction) + .flatMap(saved -> cacheService.evict(transactionExternalId)); + }); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/java/com/service/transaction/service/validation/TransactionValidationService.java b/transaction-service/src/main/java/com/service/transaction/service/validation/TransactionValidationService.java new file mode 100644 index 0000000000..60c02e5968 --- /dev/null +++ b/transaction-service/src/main/java/com/service/transaction/service/validation/TransactionValidationService.java @@ -0,0 +1,36 @@ +package com.service.transaction.service.validation; + +import com.service.transaction.model.entity.Transaction; +import com.service.transaction.repository.TransactionRepository; +import lombok.RequiredArgsConstructor; +import org.springframework.http.HttpStatus; +import org.springframework.stereotype.Service; +import org.springframework.web.server.ResponseStatusException; +import reactor.core.publisher.Mono; +import java.util.UUID; + +/** + * Class: TransactionValidationService
+ * Copyright: © 2026.
+ * Company: Yape.
+ * + * Developed by:
+ *
    + *
  • Felipe Rosado
    • + *
  • February 21, 2026 Creación de Clase.
    • + *
+ * @version 1.0 + */ +@Service +@RequiredArgsConstructor +public class TransactionValidationService { + + private final TransactionRepository transactionRepository; + + public Mono checkIfExists(UUID transactionExternalId) { + return transactionRepository.findByTransactionExternalId(transactionExternalId) + .switchIfEmpty(Mono.error(new ResponseStatusException(HttpStatus.NOT_FOUND, + "Transaction not found"))); + } + +} \ No newline at end of file diff --git a/transaction-service/src/main/resources/application.yaml b/transaction-service/src/main/resources/application.yaml new file mode 100644 index 0000000000..27bf0bffe2 --- /dev/null +++ b/transaction-service/src/main/resources/application.yaml @@ -0,0 +1,28 @@ +server: + port: 8080 + +spring: + r2dbc: + url: r2dbc:postgresql://${DB_HOST:localhost}:${DB_PORT:5432}/${DB_NAME:transactions_db} + username: ${DB_USER:postgres} + password: ${DB_PASS:postgres} + #se agrega redis como solucion opcinal par alto volumen de transacciones + data: + redis: + host: ${REDIS_HOST:localhost} + port: ${REDIS_PORT:6379} + timeout: 2000ms + jpa: + enabled: false + + kafka: + bootstrap-servers: ${KAFKA_BROKERS:localhost:9092} + producer: + key-serializer: org.apache.kafka.common.serialization.StringSerializer + value-serializer: org.springframework.kafka.support.serializer.JsonSerializer + consumer: + group-id: transaction-service-group + key-deserializer: org.apache.kafka.common.serialization.StringDeserializer + value-deserializer: org.springframework.kafka.support.serializer.JsonDeserializer + properties: + spring.json.trusted.packages: "*" \ No newline at end of file diff --git a/transaction-service/src/test/java/com/service/transaction/TransactionServiceApplicationTests.java b/transaction-service/src/test/java/com/service/transaction/TransactionServiceApplicationTests.java new file mode 100644 index 0000000000..ccd98ee006 --- /dev/null +++ b/transaction-service/src/test/java/com/service/transaction/TransactionServiceApplicationTests.java @@ -0,0 +1,13 @@ +package com.service.transaction; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class TransactionServiceApplicationTests { + + @Test + void contextLoads() { + } + +}