refactor: remove dependency from migration_comments

Gemfile

@@ -1,13 +1,8 @@
 source "https://gems.railsc.ru"
 source "https://rubygems.org"
 
-group :development, :test do
-  gem "combustion", github: "abak-press/combustion"
-end
-
 if RUBY_VERSION < '2'
   gem 'mime-types', '< 3.0'
-  gem 'migration_comments', '= 0.3.2'
   gem 'json', '< 2.0.0'
   gem 'rack', '< 2.0.0'
 end

apress-api.gemspec

@@ -25,14 +25,13 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "multi_json", ">= 1.11.2"
   spec.add_runtime_dependency "jbuilder", ">= 2.3.1"
   spec.add_runtime_dependency "attr_extras", ">= 4.4.0"
-  spec.add_runtime_dependency "migration_comments", ">= 0.3.2"
   spec.add_runtime_dependency 'swagger-blocks', '>= 1.3'
 
   spec.add_development_dependency "bundler", "~> 1.7"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", ">= 3.2"
   spec.add_development_dependency "rspec-rails", ">= 3.2"
-  spec.add_development_dependency "combustion", ">= 0.5.3"
+  spec.add_development_dependency "combustion", ">= 0.5.4"
   spec.add_development_dependency "appraisal"
   spec.add_development_dependency "pry-debugger"
   spec.add_development_dependency "timecop"

db/migrate/20150716000000_create_api_clients.rb

@@ -1,19 +1,25 @@
 # coding: utf-8
-require "migration_comments"
-
 class CreateApiClients < ActiveRecord::Migration
   def up
-    create_table :api_clients, comment: "Пользователи API" do |t|
-      t.string :access_id, null: false, limit: 36, comment: "Уникальный ID пользователя"
-      t.string :secret_token, null: false, comment: "Секретный ключ для подписи запроса"
-      t.datetime :secret_token_expire_at, null: false, comment: "Время протухания"
-      t.string :refresh_token, null: false, comment: "Ключ для получения нового секретного ключа"
-      t.datetime :refresh_token_expire_at, null: false, comment: "Время протухания"
-      t.string :user_agent, comment: "User-Agent пользователя"
+    create_table :api_clients do |t|
+      t.string :access_id, null: false, limit: 36
+      t.string :secret_token, null: false
+      t.datetime :secret_token_expire_at, null: false
+      t.string :refresh_token, null: false
+      t.datetime :refresh_token_expire_at, null: false
+      t.string :user_agent
       t.timestamps null: false
     end
 
     execute <<-SQL
+      COMMENT ON TABLE api_clients IS 'Пользователи API';
+      COMMENT ON COLUMN api_clients.access_id IS 'Уникальный ID пользователя';
+      COMMENT ON COLUMN api_clients.secret_token IS 'Секретный ключ для подписи запроса';
+      COMMENT ON COLUMN api_clients.secret_token_expire_at IS 'Время протухания';
+      COMMENT ON COLUMN api_clients.refresh_token IS 'Ключ для получения нового секретного ключа';
+      COMMENT ON COLUMN api_clients.refresh_token_expire_at IS 'Время протухания';
+      COMMENT ON COLUMN api_clients.user_agent IS 'User-Agent пользователя';
+
       ALTER TABLE api_clients
         ADD CONSTRAINT uniq_api_clients_on_access_id
         UNIQUE(access_id)