Sam & Hannah -- Octos

.gitignore

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+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+.byebug_history

Gemfile

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+source 'https://rubygems.org'
+
+git_source(:github) do |repo_name|
+  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
+  "https://github.com/#{repo_name}.git"
+end
+
+
+# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
+gem 'rails', '~> 5.1.6'
+# Use postgresql as the database for Active Record
+gem 'pg', '>= 0.18', '< 2.0'
+# Use Puma as the app server
+gem 'puma', '~> 3.7'
+# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
+# gem 'jbuilder', '~> 2.5'
+# Use Redis adapter to run Action Cable in production
+# gem 'redis', '~> 4.0'
+# Use ActiveModel has_secure_password
+# gem 'bcrypt', '~> 3.1.7'
+
+# Use Capistrano for deployment
+# gem 'capistrano-rails', group: :development
+
+# Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible
+# gem 'rack-cors'
+
+group :development, :test do
+  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
+  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+end
+
+group :development do
+  gem 'listen', '>= 3.0.5', '< 3.2'
+  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
+  gem 'spring'
+  gem 'spring-watcher-listen', '~> 2.0.0'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+group :development, :test do
+  gem 'pry-rails'
+end
+
+group :test do
+  gem 'minitest-rails'
+  gem 'minitest-reporters'
+end

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (5.1.6)
+      actionpack (= 5.1.6)
+      nio4r (~> 2.0)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.1.6)
+      actionview (= 5.1.6)
+      activesupport (= 5.1.6)
+      rack (~> 2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.1.6)
+      activesupport (= 5.1.6)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.1.6)
+      activesupport (= 5.1.6)
+      globalid (>= 0.3.6)
+    activemodel (5.1.6)
+      activesupport (= 5.1.6)
+    activerecord (5.1.6)
+      activemodel (= 5.1.6)
+      activesupport (= 5.1.6)
+      arel (~> 8.0)
+    activesupport (5.1.6)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    ansi (1.5.0)
+    arel (8.0.0)
+    builder (3.2.3)
+    byebug (10.0.2)
+    coderay (1.1.2)
+    concurrent-ruby (1.0.5)
+    crass (1.0.4)
+    erubi (1.7.1)
+    ffi (1.9.23)
+    globalid (0.4.1)
+      activesupport (>= 4.2.0)
+    i18n (1.0.1)
+      concurrent-ruby (~> 1.0)
+    listen (3.1.5)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
+    loofah (2.2.2)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.0)
+      mini_mime (>= 0.1.1)
+    method_source (0.9.0)
+    mini_mime (1.0.0)
+    mini_portile2 (2.3.0)
+    minitest (5.11.3)
+    minitest-rails (3.0.0)
+      minitest (~> 5.8)
+      railties (~> 5.0)
+    minitest-reporters (1.2.0)
+      ansi
+      builder
+      minitest (>= 5.0)
+      ruby-progressbar
+    nio4r (2.3.1)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    pg (1.0.0)
+    pry (0.11.3)
+      coderay (~> 1.1.0)
+      method_source (~> 0.9.0)
+    pry-rails (0.3.6)
+      pry (>= 0.10.4)
+    puma (3.11.4)
+    rack (2.0.5)
+    rack-test (1.0.0)
+      rack (>= 1.0, < 3)
+    rails (5.1.6)
+      actioncable (= 5.1.6)
+      actionmailer (= 5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
+      activemodel (= 5.1.6)
+      activerecord (= 5.1.6)
+      activesupport (= 5.1.6)
+      bundler (>= 1.3.0)
+      railties (= 5.1.6)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
+    railties (5.1.6)
+      actionpack (= 5.1.6)
+      activesupport (= 5.1.6)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (12.3.1)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    ruby-progressbar (1.9.0)
+    ruby_dep (1.5.0)
+    spring (2.0.2)
+      activesupport (>= 4.2)
+    spring-watcher-listen (2.0.1)
+      listen (>= 2.7, < 4.0)
+      spring (>= 1.2, < 3.0)
+    sprockets (3.7.1)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    thor (0.20.0)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    websocket-driver (0.6.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  byebug
+  listen (>= 3.0.5, < 3.2)
+  minitest-rails
+  minitest-reporters
+  pg (>= 0.18, < 2.0)
+  pry-rails
+  puma (~> 3.7)
+  rails (~> 5.1.6)
+  spring
+  spring-watcher-listen (~> 2.0.0)
+  tzinfo-data
+
+BUNDLED WITH
+   1.16.1

Rakefile

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+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative 'config/application'
+
+Rails.application.load_tasks

app/channels/application_cable/channel.rb

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+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

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+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/controllers/application_controller.rb

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+class ApplicationController < ActionController::API
+end

app/controllers/customers_controller.rb

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+class CustomersController < ApplicationController
+
+  def index
+    customers = Customer.all
+    render json: customers.as_json(only: [:id, :movies_checked_out_count, :name, :phone, :postal_code, :registered_at]), status: :ok
+  end
+
+end

app/controllers/movies_controller.rb

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+class MoviesController < ApplicationController
+
+  def index
+    movies = Movie.all
+    render json: movies.as_json(only: [:id, :title, :release_date]), status: :ok
+  end
+
+  def show
+    movie = Movie.find_by(id: params[:id])
+    if movie.nil?
+      render json: { errors: "Movie with id #{params[:id]}does not exist" }, status: :not_found
+    else
+      render json: movie.as_json(only: [:title, :overview, :release_date, :inventory, :available_inventory]), status: :ok
+    end
+  end
+
+  def create
+    movie = Movie.new(movie_params)
+
+    if movie.save
+      render json: { id: movie.id }, status: :ok
+    else
+      render json: { errors: movie.errors.messages }, status: :bad_request
+    end
+
+  end
+
+  private
+
+  def movie_params
+    return params.require(:movie).permit(:title, :overview, :release_date, :inventory)
+  end
+
+end

app/controllers/rentals_controller.rb

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+class RentalsController < ApplicationController
+
+  def create
+    rental = Rental.new(rental_params)
+
+    movie = Movie.find_by(id: rental_params[:movie_id])
+    customer = Customer.find_by(id: rental_params[:customer_id])
+
+    if movie.nil?
+      render json: {errors: "Movie with id #{rental_params[:movie_id]} doesn't exist"}, status: :bad_request
+      return
+    end
+
+    if movie.available_inventory == 0
+      render json: { errors: "No available inventory for #{movie.title}." }, status: :bad_request
+      return
+    end
+
+    if rental.save
+      movie.decrement_available_inventory
+      movie.save
+      customer.increment_movies_checked_out_count
+      customer.save
+      render json: { id: rental.id, due_date: rental.due_date }, status: :ok
+    else
+      render json: { errors: rental.errors.messages }, status: :bad_request
+    end
+
+  end
+
+  def update
+    rental = Rental.find_by(rental_params)
+    if rental.nil?
+      render json: { errors: "This rental does not exist." }, status: :bad_request
+      return
+    end
+
+    movie = rental.movie
+    customer = rental.customer
+
+    if rental.updated_at != rental.created_at
+      render json: { errors: "#{movie.title} is already checked-in." }, status: :bad_request
+    else
+      if rental.save
+        movie.increment_available_inventory
+        movie.save
+        customer.decrement_movies_checked_out_count
+        customer.save
+        render json: { id: rental.id, "check-in date": rental.updated_at }, status: :ok
+      else
+        render json: { errors: rental.errors.messages }, status: :bad_request
+      end
+    end
+
+  end
+
+  private
+  def rental_params
+    return params.require(:rental).permit(:movie_id, :customer_id)
+  end
+
+end

app/jobs/application_job.rb

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+class ApplicationJob < ActiveJob::Base
+end

app/mailers/application_mailer.rb

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+class ApplicationMailer < ActionMailer::Base
+  default from: 'from@example.com'
+  layout 'mailer'
+end

app/models/application_record.rb

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+class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
+end

app/models/customer.rb

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+class Customer < ApplicationRecord
+  has_many :rentals
+  has_many :movies, through: :rentals
+
+  validates :name, presence: true
+  validates :movies_checked_out_count, presence: true, numericality: { only_integer: true }
+
+  def decrement_movies_checked_out_count
+    if self.movies_checked_out_count > 0
+      self.movies_checked_out_count -= 1
+    end
+  end
+
+  def increment_movies_checked_out_count
+      self.movies_checked_out_count += 1
+  end
+
+end