Add AR mixins to simple oauth2

.codeclimate.yml

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+---
+engines:
+  duplication:
+    enabled: true
+    config:
+      languages:
+      - ruby
+      - javascript
+      - python
+      - php
+  fixme:
+    enabled: true
+  rubocop:
+    enabled: true
+ratings:
+  paths:
+  - "**.inc"
+  - "**.js"
+  - "**.jsx"
+  - "**.module"
+  - "**.php"
+  - "**.py"
+  - "**.rb"
+exclude_paths:
+- spec/

.coveralls.yml

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+service_name: travis-ci

.gitignore

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 *.gem
-*.rbc
-/.config
+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
 /coverage/
-/InstalledFiles
+/doc/
 /pkg/
 /spec/reports/
-/spec/examples.txt
-/test/tmp/
-/test/version_tmp/
 /tmp/
-
-# Used by dotenv library to load environment variables.
-# .env
-
-## Specific to RubyMotion:
-.dat*
-.repl_history
-build/
-*.bridgesupport
-build-iPhoneOS/
-build-iPhoneSimulator/
-
-## Specific to RubyMotion (use of CocoaPods):
-#
-# We recommend against adding the Pods directory to your .gitignore. However
-# you should judge for yourself, the pros and cons are mentioned at:
-# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
-#
-# vendor/Pods/
-
-## Documentation cache and generated files:
-/.yardoc/
-/_yardoc/
-/doc/
-/rdoc/
-
-## Environment normalization:
-/.bundle/
-/vendor/bundle
-/lib/bundler/man/
-
-# for a library or gem, you might want to ignore these files since the code is
-# intended to run in multiple environments; otherwise, check them in:
-# Gemfile.lock
-# .ruby-version
-# .ruby-gemset
-
-# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
-.rvmrc

.hound.yml

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+ruby:
+  config_file: .rubocop.yml
+
+fail_on_violations: true

.rubocop.yml

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+AllCops:
+  Exclude:
+    - spec/**/*
+    - db/**/*
+
+Style/FrozenStringLiteralComment:
+  Enabled: false
+Style/StringLiterals:
+  EnforcedStyle: single_quotes
+Metrics/MethodLength:
+  Max: 15
+Metrics/LineLength:
+  Max: 120
+Style/Lambda:
+  Enabled: false
+Style/DotPosition:
+  Enabled: false

.travis.yml

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+language: ruby
+cache: bundler
+bundler_args: --without yard guard benchmarks
+notifications:
+  email: false
+
+addons:
+  code_climate:
+    repo_token: a79dc140c09279df903bea582c17d13eecb4e8d80a4d92e1e14f177c74547cc6
+
+matrix:
+  allow_failures:
+    - rvm: ruby-head
+  include:
+  - rvm: 2.2.6
+  - rvm: 2.3.3
+  - rvm: 2.5.0
+  - rvm: ruby-head
+
+after_success:
+  - bundle exec codeclimate-test-reporter
+
+before_install:
+  - gem install bundler -v '~> 1.10'
+  - bundle install
+  - rake db:create
+  - rake db:migrate
+
+script:
+  - rspec spec

Gemfile

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+source 'https://rubygems.org'
+
+gemspec
+
+group :test do
+  platforms :ruby, :mswin, :mswin64, :mingw, :x64_mingw do
+    gem 'sqlite3'
+  end
+
+  gem 'activerecord'
+  gem 'rubocop', '~> 0.49.0', require: false
+
+  gem 'codeclimate-test-reporter', '~> 1.0.0'
+  gem 'coveralls', require: false
+  gem 'database_cleaner', '~> 1.5.0'
+  gem 'ffaker'
+  gem 'otr-activerecord', '~> 1.2.1'
+  gem 'rspec-rails', '~> 3.6'
+  gem 'simplecov', require: false
+end

README.md

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-# activerecord_simple_oauth2
-ActiveRecord mixin for simple_oauth2.
+# ActiveRecord SimpleOAuth2
+
+## Installation
+
+Add this line to your application's *Gemfile:*
+
+```ruby
+gem 'activerecord_simple_oauth2'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install activerecord_simple_oauth2
+
+## Usage
+
+*OAuth2* workflow implies the existence of the next four roles: **Access Token**, **Access Grant**, **Application** and **Resource Owner**. The gem needs to know what classes work, so you need to create them, and also you need to **configure** [Simple::OAuth2](https://github.com/simple-oauth2/simple_oauth2).
+
+Your project must include 4 models - *AccessToken*, *AccessGrant*, *Client* and *User* **for example**. These models must contain a specific set of API (methods). So everything that you need, it just include each `mixin` to specific class.
+
+***AccessToken*** class:
+```ruby
+  # app/models/access_token.rb
+
+  class AccessToken
+    include ActiveRecord::Simple::OAuth2::AccessToken
+  end
+```
+
+***AccessGrant*** class:
+```ruby
+  # app/models/access_grant.rb
+
+  class AccessGrant
+    include ActiveRecord::Simple::OAuth2::AccessGrant
+  end
+```
+
+***Client*** class:
+```ruby
+  # app/models/client.rb
+
+  class Client
+    include ActiveRecord::Simple::OAuth2::Client
+  end
+```
+
+***User*** class:
+```ruby
+  # app/models/user.rb
+
+  class User
+    include ActiveRecord::Simple::OAuth2::ResourceOwner
+  end
+```
+
+Migration for the simplest use case of the gem looks as follows: [example](https://github.com/simple-oauth2/activerecord_simple_oauth2/tree/master/db/migrations/20180204143133_create_schema.rb)
+
+And that's it.
+Also you can take a look at the [mixins](https://github.com/simple-oauth2/activerecord_simple_oauth2/tree/master/lib/activerecord_simple_oauth2/mixins) to understand what they are doing and what they are returning.
+
+## Bugs and Feedback
+
+Bug reports and feedback are welcome on GitHub at https://github.com/simple-oauth2/activerecord_simple_oauth2/issues.
+
+## Contributing
+
+1. Fork the project.
+1. Create your feature branch (`git checkout -b my-new-feature`).
+1. Implement your feature or bug fix.
+1. Add documentation for your feature or bug fix.
+1. Add tests for your feature or bug fix.
+1. Run `rake` and `rubocop` to make sure all tests pass.
+1. Commit your changes (`git commit -am 'Add new feature'`).
+1. Push to the branch (`git push origin my-new-feature`).
+1. Create new pull request.
+
+Thanks.
+
+## License
+
+The gem is available as open source under the terms of the [MIT License](https://github.com/simple-oauth2/activerecord_simple_oauth2/blob/master/LICENSE).
+
+Copyright (c) 2018 Volodimir Partytskyi (volodimir.partytskyi@gmail.com).

Rakefile

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+ENV['RACK_ENV'] = 'test'
+
+require 'bundler/setup'
+require 'rspec/core/rake_task'
+require 'simple_oauth2'
+load 'tasks/otr-activerecord.rake'
+
+OTR::ActiveRecord.db_dir = 'db'
+OTR::ActiveRecord.migrations_paths = ['db/migrations']
+
+desc 'Default: run specs.'
+task default: :spec
+
+namespace :db do
+  task :environment do
+    require_relative 'config/db'
+  end
+end
+
+RSpec::Core::RakeTask.new(:spec) do |config|
+  config.verbose = false
+end
+
+Bundler::GemHelper.install_tasks

activerecord_simple_oauth2.gemspec

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+# coding: utf-8
+
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+
+require 'activerecord_simple_oauth2/version'
+
+Gem::Specification.new do |s|
+  s.name        = 'activerecord_simple_oauth2'
+  s.version     = ActiveRecord::Simple::OAuth2.gem_version
+  s.date        = '2017-01-17'
+  s.summary     = 'Mixin for ActiveRecord ORM'
+  s.description = 'ActiveRecord mixin for SimpleOAuth2 authorization'
+  s.authors     = ['Volodimir Partytskyi']
+  s.email       = 'volodimir.partytskyi@gmail.com'
+  s.homepage    = 'https://github.com/simple-oauth2/activerecord_simple_oauth2'
+  s.license     = 'MIT'
+
+  s.require_paths = %w[lib]
+  s.files         = Dir['LICENSE', 'lib/**/*']
+
+  s.required_ruby_version = '>= 2.2.2'
+
+  s.add_runtime_dependency 'simple_oauth2', '0.1.0'
+
+  s.add_development_dependency 'rspec-rails', '~> 3.6.0', '>= 3.6.0'
+  s.add_development_dependency 'database_cleaner', '~> 1.5.0', '>= 1.5.0'
+end

bin/console

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+#!/usr/bin/env ruby
+
+require 'bundler/setup'
+require 'activerecord_simple_oauth2'
+
+require 'irb'
+IRB.start

config/db.rb

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+OTR::ActiveRecord.configure_from_hash!(adapter: 'sqlite3', database: ':memory:')
+
+ActiveRecord::Base.logger = nil
+ActiveRecord::Migration.verbose = false

db/migrations/20180204143133_create_schema.rb

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+class CreateSchema < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users do |t|
+      t.string :username, null: false, unique: true
+      t.string :encrypted_password, null: false
+
+      t.timestamps null: false
+    end
+
+    create_table :clients do |t|
+      t.string :name, null: false
+      t.string :redirect_uri, null: false
+      t.string :key, null: false, unique: true, index: true
+      t.string :secret, null: false, unique: true, index: true
+
+      t.timestamps null: false
+    end
+
+    create_table :access_tokens do |t|
+      t.integer :resource_owner_id, null: false, index: true
+      t.integer :client_id, null: false, index: true
+
+      t.string :token, null: false, unique: true, index: true
+      t.string :refresh_token, unique: true, index: true
+      t.string :scopes
+
+      t.datetime :revoked_at
+      t.datetime :expires_at, null: false
+
+      t.timestamps null: false
+    end
+
+    create_table :access_grants do |t|
+      t.integer :resource_owner_id, null: false, index: true
+      t.integer :client_id, null: false, index: true
+
+      t.string :token, null: false, unique: true, index: true
+      t.string :redirect_uri, null: false
+      t.string :scopes
+
+      t.datetime :revoked_at
+      t.datetime :expires_at, null: false
+
+      t.timestamps null: false
+    end
+  end
+end