diff --git a/takeNotes-src/deleteEntry/app.js b/takeNotes-src/deleteEntry/app.js new file mode 100644 index 0000000..fcbd335 --- /dev/null +++ b/takeNotes-src/deleteEntry/app.js @@ -0,0 +1,80 @@ +// default imports +const AWS = require("aws-sdk"); +const DDB = new AWS.DynamoDB({ apiVersion: "2012-10-08" }); +const { v4: uuidv4 } = require("uuid"); + +// environment variables +const { TABLE_NAME, ENDPOINT_OVERRIDE, REGION } = process.env; +const options = { region: REGION }; +AWS.config.update({ region: REGION }); + +if (ENDPOINT_OVERRIDE !== "") { + options.endpoint = ENDPOINT_OVERRIDE; +} + +const docClient = new AWS.DynamoDB.DocumentClient(options); + +// response helper +const response = (statusCode, body, additionalHeaders) => ({ + statusCode, + body: JSON.stringify(body), + headers: { + "Content-Type": "application/json", + "Access-Control-Allow-Origin": "*", + ...additionalHeaders, + }, +}); + +function isValidRequest(context, event) { + let isIdValid = + event !== null && + event.pathParameters !== null && + event.pathParameters.id !== null && + event.pathParameters.weekIdx !== null && + event.pathParameters.entryIdx !== null; + + return isIdValid; +} + +function updateRecord(recordId, weekIdx, entryIdx) { + let d = new Date(); + console.log("record id: " + recordId + " entryIdx: " + entryIdx); + + const params = { + TableName: TABLE_NAME, + Key: { + id: recordId, + }, + UpdateExpression: `SET updated = :u, + docBody.journal.weeks[${weekIdx}].updated = :u + REMOVE docBody.journal.weeks[${weekIdx}].entries.#entryId`, + ExpressionAttributeNames: { "#entryId": entryIdx }, + ExpressionAttributeValues: { + ":u": d.toISOString(), + }, + ConditionExpression: `attribute_exists(docBody.journal.weeks[${weekIdx}].entries.#entryId)`, + ReturnValues: "ALL_NEW", + }; + console.log("params: " + params); + return docClient.update(params); +} + +// Lambda Handler +exports.deleteEntry = async (event, context, callback) => { + console.log("event: " + event); + console.log("body: " + event.body); + if (!isValidRequest(context, event)) { + return response(400, { message: "Error: Invalid request" }); + } + + try { + let data = await updateRecord( + event.pathParameters.id, + event.pathParameters.weekIdx, + event.pathParameters.entryIdx + ).promise(); + return response(200, data); + } catch (err) { + return response(500, { message: err.message }); + } +}; diff --git a/takeNotes-src/deleteEntry/package-lock.json b/takeNotes-src/deleteEntry/package-lock.json new file mode 100644 index 0000000..b2f65b0 --- /dev/null +++ b/takeNotes-src/deleteEntry/package-lock.json @@ -0,0 +1,109 @@ +{ + "name": "delete", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "aws-sdk": { + "version": "2.853.0", + "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.853.0.tgz", + "integrity": "sha512-3cifeifeMHKtpvQ6OcrA9j34BEdvWmLlSGzZU/mZf9nYcV+22PPXjwpVhPh9BvfC2S77upKNbMgnkv4u50aQKw==", + "requires": { + "buffer": "4.9.2", 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"https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz", + "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=" + } + } +} diff --git a/takeNotes-src/deleteEntry/package.json b/takeNotes-src/deleteEntry/package.json new file mode 100644 index 0000000..4f1f141 --- /dev/null +++ b/takeNotes-src/deleteEntry/package.json @@ -0,0 +1,16 @@ +{ + "name": "delete", + "version": "1.0.0", + "description": "Delete handler for TakeNotes users API", + "main": "src/app.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1", + "style": "npx prettier --write ." + }, + "author": "", + "license": "ISC", + "dependencies": { + "aws-sdk": "^2.834.0", + "uuid": "^8.3.2" + } +} diff --git a/template.yaml b/template.yaml index 709c9ac..e702c55 100644 --- a/template.yaml +++ b/template.yaml @@ -276,6 +276,31 @@ Resources: RestApiId: !Ref TakeNotesApi Auth: Authorizer: CognitoAuthorizer + DeleteTakeNotesUserEntry: + Type: AWS::Serverless::Function + Properties: + CodeUri: takeNotes-src/deleteEntry/ + Handler: app.deleteEntry + Tracing: Active + Policies: + - DynamoDBCrudPolicy: + TableName: !Ref TakeNotesTable + - CloudWatchPutMetricPolicy: {} + Environment: + Variables: + TABLE_NAME: !Ref TakeNotesTable + AWS_NODEJS_CONNECTION_REUSE_ENABLED: "1" + ENDPOINT_OVERRIDE: "" + REGION: !Ref AWS::Region + Events: + DeleteEntry: + Type: Api + Properties: + Path: /users/{id}/journal/weeks/{weekIdx}/entries/{entryIdx} + Method: DELETE + RestApiId: !Ref TakeNotesApi + Auth: + Authorizer: CognitoAuthorizer PutTakeNotesUserJournal: Type: AWS::Serverless::Function Properties: