Домашнее задание 2

.gitignore

@@ -41,3 +41,6 @@ coverage
 config/settings.local.yml
 config/settings/*.local.yml
 config/environments/*.local.yml
+
+# IDE files
+/.idea/*

.sample.env

@@ -10,3 +10,6 @@ SECRET_KEY_BASE=
 PGPASSWORD=postgres
 [email protected]
 INDEX_CONCURRENT_PROCESSES=
+
+MONGO_HOST=mongo
+MONGO_PORT=27017

Gemfile

@@ -5,6 +5,7 @@ gem 'puma', '>= 6.5.0'
 
 # Базы данных
 gem 'pg'
+gem 'mongoid'
 
 # Многопоточное выполнение
 gem 'parallel'
@@ -14,6 +15,9 @@ gem 'activerecord-import'
 gem 'sprockets-rails'
 gem 'slim-rails'
 
+# Serializers
+gem 'jbuilder'
+
 # Распаковка архивов
 gem 'rubyzip', require: 'zip'
 
@@ -29,6 +33,9 @@ gem 'activeadmin'
 gem 'activeadmin_addons'
 gem 'devise'
 
+# Паджинация
+gem 'kaminari-mongoid'
+
 group :development, :test do
   gem 'bundler-audit'
   gem 'capybara'

Gemfile.lock

@@ -104,6 +104,7 @@ GEM
     benchmark (0.4.0)
     bigdecimal (3.1.8)
     bindex (0.8.1)
+    bson (5.0.2)
     builder (3.3.0)
     bundler-audit (0.9.2)
       bundler (>= 1.2.0, < 3)
@@ -193,6 +194,9 @@ GEM
     irb (1.14.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
+    jbuilder (2.13.0)
+      actionview (>= 5.0.0)
+      activesupport (>= 5.0.0)
     jquery-rails (4.6.0)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -210,6 +214,9 @@ GEM
       activerecord
       kaminari-core (= 1.2.2)
     kaminari-core (1.2.2)
+    kaminari-mongoid (1.0.2)
+      kaminari-core (~> 1.0)
+      mongoid
     language_server-protocol (3.17.0.3)
     logger (1.6.0)
     loofah (2.23.1)
@@ -226,6 +233,12 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
     minitest (5.25.1)
+    mongo (2.21.0)
+      bson (>= 4.14.1, < 6.0.0)
+    mongoid (9.0.6)
+      activemodel (>= 5.1, < 8.1, != 7.0.0)
+      concurrent-ruby (>= 1.0.5, < 2.0)
+      mongo (>= 2.18.0, < 3.0.0)
     net-imap (0.5.6)
       date
       net-protocol
@@ -460,6 +473,9 @@ DEPENDENCIES
   factory_bot_rails
   fasterer
   ffaker
+  jbuilder
+  kaminari-mongoid
+  mongoid
   parallel
   pg
   pry-byebug

app/controllers/books_controller.rb

@@ -0,0 +1,9 @@
+class BooksController < ApplicationController
+  def index
+    page = params[:page].to_i.positive? ? params[:page].to_i : 1
+
+    @books = Mongo::BookMongo.all.page(page)
+
+    render formats: :json
+  end
+end

app/models/mongo/book_mongo.rb

@@ -0,0 +1,19 @@
+module Mongo
+  class BookMongo
+    include Mongoid::Document
+    include Mongoid::Timestamps
+
+    field :title, type: String
+    field :series, type: String
+    field :serno, type: String
+    field :libid, type: Integer
+    field :size, type: Integer
+    field :filename, type: String
+    field :del, type: Boolean
+    field :ext, type: String
+    field :published_at, type: Date
+    field :insno, type: String
+    field :folder_id, type: String
+    field :language_id, type: String
+  end
+end

app/views/books/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @books, :id, :title

config/database.yml

@@ -7,8 +7,8 @@ default: &default
 postgre: &postgre
   host: <%= ENV.fetch('POSTGRES_HOST', 'localhost') %>
   port: <%= ENV.fetch('POSTGRES_PORT', '5432') %>
-  username: <%= ENV.fetch('POSTGRES_USER') { 'igorsimdyanov' } %>
-  password: <%= ENV.fetch('POSTGRES_PASSWORD') { '' } %>
+  username: <%= ENV.fetch('POSTGRES_USER') { 'postgres' } %>
+  password: <%= ENV.fetch('postgres') { '' } %>
 
 development:
   <<: *default
@@ -17,6 +17,7 @@ development:
 
 test:
   <<: *default
+  <<: *postgre
   database: library_test
 
 production:

config/initializers/kaminari_config.rb

@@ -0,0 +1,3 @@
+Kaminari.configure do |config|
+  config.default_per_page = Settings.app.items_per_page
+end

config/initializers/mongoid.rb

@@ -0,0 +1,25 @@
+# rubocop:todo all
+Mongoid.configure do
+  target_version = "9.0"
+
+  # Load Mongoid behavior defaults. This automatically sets
+  # features flags (refer to documentation)
+  config.load_defaults target_version
+
+  # It is recommended to use config/mongoid.yml for most Mongoid-related
+  # configuration, whenever possible, but if you prefer, you can set
+  # configuration values here, instead:
+  # 
+  #   config.log_level = :debug
+  #
+  # Note that the settings in config/mongoid.yml always take precedence,
+  # whatever else is set here.
+end
+
+# Enable Mongo driver query cache for Rack
+# Rails.application.config.middleware.use(Mongo::QueryCache::Middleware)
+
+# Enable Mongo driver query cache for ActiveJob
+# ActiveSupport.on_load(:active_job) do
+#   include Mongo::QueryCache::Middleware::ActiveJob
+# end