add rails 4 compatibility

.dependabot/config.yml

@@ -0,0 +1,10 @@
+---
+version: 1
+update_configs:
+- package_manager: "ruby:bundler"
+  directory: "/"
+  update_schedule: "live"
+  version_requirement_updates: "off"
+  commit_message:
+    prefix: "No-Jira"
+    include_scope: true

.github/workflows/gem_release.yml

@@ -0,0 +1,38 @@
+---
+on:
+  push:
+    tags:
+    - 'v*'
+    - '!v*.pre*'
+
+name: Create Release
+
+jobs:
+  build:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get version from tag
+        id: tag_name
+        shell: bash
+        run: |
+          echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Get Changelog Entry
+        id: changelog_reader
+        uses: mindsers/changelog-reader-action@v1
+        with:
+          version: ${{ steps.tag_name.outputs.current_version }}
+          path: ./CHANGELOG.md
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GEM_RELEASE_GIT_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: ${{ steps.changelog_reader.outputs.log_entry }}
+          draft: false
+          prerelease: false

.gitignore

@@ -0,0 +1,8 @@
+/.bundle/
+/.yardoc
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/

CHANGELOG.md

@@ -5,6 +5,9 @@ Inspired by [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 Note: this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [0.1.0] - Unreleased
+### Added
+- Backwards compatibility with Rails 4
+
 ### Changed
 - Renamed the gem from `enum_column3` to `activerecord-mysql-enum`
 

Gemfile

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in active_table_set.gemspec
+gemspec
+
+gem 'bundler',     '~> 1.8'
+gem 'pry'
+gem 'pry-byebug'
+gem 'rake',        '~> 13.0'
+gem 'rails',       '~> 4.2'

Gemfile.lock

@@ -0,0 +1,124 @@
+PATH
+  remote: .
+  specs:
+    activerecord-mysql-enum (0.1.0.pre.1)
+      activerecord (>= 4.2, < 6)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (4.2.11.3)
+      actionpack (= 4.2.11.3)
+      actionview (= 4.2.11.3)
+      activejob (= 4.2.11.3)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.11.3)
+      actionview (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      rack (~> 1.6)
+      rack-test (~> 0.6.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.11.3)
+      activesupport (= 4.2.11.3)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (4.2.11.3)
+      activesupport (= 4.2.11.3)
+      globalid (>= 0.3.0)
+    activemodel (4.2.11.3)
+      activesupport (= 4.2.11.3)
+      builder (~> 3.1)
+    activerecord (4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      arel (~> 6.0)
+    activesupport (4.2.11.3)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
+    arel (6.0.4)
+    builder (3.2.4)
+    byebug (11.1.3)
+    coderay (1.1.3)
+    concurrent-ruby (1.1.7)
+    crass (1.0.6)
+    erubis (2.7.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    loofah (2.6.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    method_source (1.0.0)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.14.1)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-byebug (3.9.0)
+      byebug (~> 11.0)
+      pry (~> 0.13.0)
+    rack (1.6.13)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (4.2.11.3)
+      actionmailer (= 4.2.11.3)
+      actionpack (= 4.2.11.3)
+      actionview (= 4.2.11.3)
+      activejob (= 4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activerecord (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.2.11.3)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (4.2.11.3)
+      actionpack (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (13.0.1)
+    sprockets (3.7.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    thor (1.0.1)
+    thread_safe (0.3.6)
+    tzinfo (1.2.7)
+      thread_safe (~> 0.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activerecord-mysql-enum!
+  bundler (~> 1.8)
+  pry
+  pry-byebug
+  rails (~> 4.2)
+  rake (~> 13.0)
+
+BUNDLED WITH
+   1.17.3

Rakefile

@@ -0,0 +1,4 @@
+#!/usr/bin/env rake
+# frozen_string_literal: true
+
+Bundler::GemHelper.install_tasks

enum_column.gemspec

@@ -28,12 +28,5 @@ Gem::Specification.new do |spec|
   end
   spec.require_paths = ["lib"]
 
-  spec.test_files = [
-    "test/test_helper.rb",
-    "test/db/schema.rb",
-    "test/fixtures/enumeration.rb",
-    "test/fixtures/enum_controller.rb",
-    "test/enum_controller_test.rb",
-    "test/enum_mysql_test.rb"
-  ]
+  spec.add_dependency 'activerecord', '>= 4.2', '< 6'
 end

init.rb

@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require File.dirname(__FILE__) + "/rails/init.rb"

lib/active_record/mysql/enum.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if defined?(::Rails::Railtie)
   module ActiveRecord
     module Mysql

lib/active_record/mysql/enum/active_record_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if defined?(Rails::Generator)
   module Rails
     module Generator

lib/active_record/mysql/enum/enum_adapter.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # This module provides all the column helper methods to deal with the
 # values and adds the common type management code for the adapters.
 

lib/active_record/mysql/enum/enum_column_adapter.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # This module provides all the column helper methods to deal with the
 # values and adds the common type management code for the adapters.
 

lib/active_record/mysql/enum/enum_type.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if defined? ActiveRecord::Type::Value
   module ActiveRecord
     module Type

lib/active_record/mysql/enum/mysql_adapter.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 adapter_class = if defined? ActiveRecord::ConnectionAdapters::MySQLJdbcConnection
   ActiveRecord::ConnectionAdapters::MySQLJdbcConnection
 # elsif defined? ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter
@@ -25,19 +27,35 @@ def native_database_types #:nodoc
         # be done on a per adapter basis, but is generalized here.
         #
         # will generate enum('a', 'b', 'c') for :limit => [:a, :b, :c]
-        def type_to_sql(type, limit: nil, precision: nil, scale: nil, unsigned: nil, **) # :nodoc:
-          if type.to_s == 'enum'
-            native = native_database_types[type]
-            column_type_sql = (native || {})[:name] || 'enum'
+        if Rails::VERSION::MAJOR < 5
+          def type_to_sql(type, limit = nil, precision = nil, scale = nil, unsigned = nil, **_options) # :nodoc:
+            if type.to_s == 'enum'
+              native = native_database_types[type]
+              column_type_sql = (native || {})[:name] || 'enum'
 
-            column_type_sql << "(#{limit.map { |v| quote(v) }.join(',')})"
+              column_type_sql << "(#{limit.map { |v| quote(v) }.join(',')})"
 
-            column_type_sql
-          else
-            super(type, limit: limit, precision: precision, scale: scale, unsigned: unsigned)
+              column_type_sql
+            else
+              super(type, limit, precision, scale, unsigned)
+            end
+          end
+        else
+          def type_to_sql(type, limit: nil, precision: nil, scale: nil, unsigned: nil, **_options) # :nodoc:
+            if type.to_s == 'enum'
+              native = native_database_types[type]
+              column_type_sql = (native || {})[:name] || 'enum'
+
+              column_type_sql << "(#{limit.map { |v| quote(v) }.join(',')})"
+
+              column_type_sql
+            else
+              super(type, limit: limit, precision: precision, scale: scale, unsigned: unsigned)
+            end
           end
         end
 
+
         private
         def initialize_type_map(m = type_map)
           super

lib/active_record/mysql/enum/quoting.rb

@@ -1,15 +1,27 @@
+# frozen_string_literal: true
+
 module ActiveRecord
   module ConnectionAdapters # :nodoc:
     module Quoting
       alias __quote_enum quote
 
       # Quote a symbol as a normal string. This will support quoting of
       # enumerated values.
-      def quote(value)
-        if !value.is_a? Symbol
-          __quote_enum(value)
-        else
-          ActiveRecord::Base.send(:quote_bound_value, value.to_s)
+      if Rails::VERSION::MAJOR < 5
+        def quote(value, column = nil)
+          if !value.is_a? Symbol
+            __quote_enum(value, column)
+          else
+            ActiveRecord::Base.send(:quote_bound_value, value.to_s)
+          end
+        end
+      else
+        def quote(value)
+          if !value.is_a? Symbol
+            __quote_enum(value)
+          else
+            ActiveRecord::Base.send(:quote_bound_value, value.to_s)
+          end
         end
       end
     end

lib/active_record/mysql/enum/schema_definitions.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 module ActiveRecord
   module ConnectionAdapters

lib/active_record/mysql/enum/validations.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 module ActiveRecord
   module Validations

lib/active_record/mysql/enum/version.rb

@@ -3,7 +3,7 @@
 module ActiveRecord
   module Mysql
     module Enum
-      VERSION = "0.1.0"
+      VERSION = "0.1.0.pre.1"
     end
   end
 end

rails/init.rb

@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require 'active_record/mysql/enum'

test/db/schema.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 ActiveRecord::Schema.define do
   create_table :enumerations, :force => true do |t|

test/enum_controller_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.dirname(__FILE__) + '/test_helper'
 require 'fixtures/enumeration'
 require 'fixtures/enum_controller'

test/enum_mysql_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require File.dirname(__FILE__) + '/test_helper'
 require 'fixtures/enumeration'
 

test/fixtures/enum_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class EnumController < ActionController::Base
   layout false
 

test/fixtures/enumeration.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 class Enumeration < ActiveRecord::Base
   validates_columns :color, :severity, :string_field, :int_field