feat(ruby): add Ruby implementation

webapp/ruby/.gitignore

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+/.bundle/
+/vendor/bundle/

webapp/ruby/Gemfile

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+source 'https://rubygems.org'
+
+gem 'puma'
+gem 'sinatra'
+gem 'mysql2'
+gem 'mysql2-cs-bind'
+
+group :development do
+  gem 'sinatra-contrib'
+end

webapp/ruby/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    backports (3.15.0)
+    multi_json (1.13.1)
+    mustermann (1.0.3)
+    mysql2 (0.5.2)
+    mysql2-cs-bind (0.0.7)
+      mysql2
+    nio4r (2.5.1)
+    puma (4.1.0)
+      nio4r (~> 2.0)
+    rack (2.0.7)
+    rack-protection (2.0.7)
+      rack
+    sinatra (2.0.7)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.7)
+      tilt (~> 2.0)
+    sinatra-contrib (2.0.7)
+      backports (>= 2.8.2)
+      multi_json
+      mustermann (~> 1.0)
+      rack-protection (= 2.0.7)
+      sinatra (= 2.0.7)
+      tilt (~> 2.0)
+    tilt (2.0.9)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  mysql2
+  mysql2-cs-bind
+  puma
+  sinatra
+  sinatra-contrib
+
+BUNDLED WITH
+   2.0.1

webapp/ruby/config.ru

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+lib = File.expand_path('../lib', __FILE__)
+$:.unshift(lib) unless $:.include?(lib)
+
+require 'isucari/web'
+
+run Isucari::Web

webapp/ruby/lib/isucari.rb

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+module Isucari
+end

webapp/ruby/lib/isucari/web.rb

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+require 'json'
+require 'sinatra/base'
+require 'mysql2'
+require 'mysql2-cs-bind'
+
+module Isucari
+  class Web < Sinatra::Base
+    class InternalServerError < StandardError; end
+
+    configure :development do
+      require 'sinatra/reloader'
+      register Sinatra::Reloader
+    end
+
+    set :add_charset, ['application/json']
+    set :public_folder, File.join(__dir__, '..', '..', 'public')
+    set :root, File.join(__dir__, '..', '..')
+
+    helpers do
+      def db
+        Thread.current[:db] ||= Mysql2::Client.new(
+          host: ENV['MYSQL_HOST'] || '127.0.0.1',
+          port: ENV['MYSQL_PORT'] || '3306',
+          database: ENV['MYSQL_DBNAME'] || 'isucari',
+          username: ENV['MYSQL_USER'] || 'isucari',
+          password: ENV['MYSQL_PASS'] || 'isucari',
+          charset: 'utf8mb4',
+          database_timezone: :local,
+          cast_booleans: true,
+          reconnect: true,
+        )
+      end
+
+      def body_params
+        @body_params ||= JSON.parse(request.body.tap(&:rewind).read)
+      end
+
+      def halt_with_error(status = 500, error = 'unknown')
+        halt status, { error: error }.to_json
+      end
+    end
+
+    # API
+
+    # postInitialize
+    post '/initialize' do
+      unless system "#{settings.root}/../sql/init.sh"
+        halt_with_error 500, 'exec init.sh error'
+      end
+
+      ['payment_service_url', 'shipment_service_url'].each do |name|
+        value = body_params[name]
+
+        db.xquery('INSERT INTO `configs` (name, val) VALUES (?, ?) ON DUPLICATE KEY UPDATE `val` = VALUES(`val`)', name, value)
+      end
+
+      # Campaign 実施時は true にする
+      is_campaign = false
+
+      content_type :json
+      { is_campaign: is_campaign }.to_json
+    rescue JSON::ParserError
+      halt_with_error 500, 'json decode error'
+    rescue Mysql2::Error
+      halt_with_error 500, 'db error'
+    end
+
+    # Frontend
+
+    def get_index
+      send_file File.join(settings.public_folder, 'index.html')
+    end
+
+    get '/' do
+      get_index
+    end
+
+    get '/login' do
+      get_index
+    end
+
+    get '/register' do
+      get_index
+    end
+
+    get '/timeline' do
+      get_index
+    end
+
+    get '/categories/:category_id/items' do
+      get_index
+    end
+
+    get '/sell' do
+      get_index
+    end
+
+    get '/items/:item_id' do
+      get_index
+    end
+
+    get '/items/:item_id/edit' do
+      get_index
+    end
+
+    get '/items/:item_id/buy' do
+      get_index
+    end
+
+    get '/buy/complete' do
+      get_index
+    end
+
+    get '/transactions/:transaction_id' do
+      get_index
+    end
+
+    get '/users/:user_id' do
+      get_index
+    end
+
+    get '/users/setting' do
+      get_index
+    end
+  end
+end

webapp/ruby/public

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+../public