diff --git a/2269/3/Gemfile b/2269/3/Gemfile
new file mode 100755
index 000000000..80facf1c8
--- /dev/null
+++ b/2269/3/Gemfile
@@ -0,0 +1,8 @@
+source 'https://rubygems.org'
+
+gem 'mechanize'
+gem 'ohm'
+gem 'shotgun'
+gem 'sidekiq'
+gem 'sinatra'
+gem 'thin'
diff --git a/2269/3/Gemfile.lock b/2269/3/Gemfile.lock
new file mode 100755
index 000000000..5205c3d33
--- /dev/null
+++ b/2269/3/Gemfile.lock
@@ -0,0 +1,87 @@
+GEM
+ remote: https://rubygems.org/
+ specs:
+ coderay (1.1.2)
+ concurrent-ruby (1.0.5)
+ connection_pool (2.2.2)
+ daemons (1.2.6)
+ domain_name (0.5.20180417)
+ unf (>= 0.0.5, < 1.0.0)
+ eventmachine (1.2.7)
+ hiredis (0.6.1)
+ http-cookie (1.0.3)
+ domain_name (~> 0.5)
+ mechanize (2.7.6)
+ domain_name (~> 0.5, >= 0.5.1)
+ http-cookie (~> 1.0)
+ mime-types (>= 1.17.2)
+ net-http-digest_auth (~> 1.1, >= 1.1.1)
+ net-http-persistent (>= 2.5.2)
+ nokogiri (~> 1.6)
+ ntlm-http (~> 0.1, >= 0.1.1)
+ webrobots (>= 0.0.9, < 0.2)
+ method_source (0.9.0)
+ mime-types (3.1)
+ mime-types-data (~> 3.2015)
+ mime-types-data (3.2016.0521)
+ mini_portile2 (2.3.0)
+ mustermann (1.0.2)
+ nest (3.1.1)
+ redic
+ net-http-digest_auth (1.4.1)
+ net-http-persistent (3.0.0)
+ connection_pool (~> 2.2)
+ nokogiri (1.8.4)
+ mini_portile2 (~> 2.3.0)
+ ntlm-http (0.1.1)
+ ohm (3.1.1)
+ nest (~> 3)
+ redic (~> 1.5.0)
+ stal
+ pry (0.11.3)
+ coderay (~> 1.1.0)
+ method_source (~> 0.9.0)
+ rack (2.0.5)
+ rack-protection (2.0.3)
+ rack
+ redic (1.5.0)
+ hiredis
+ redis (4.0.1)
+ shotgun (0.9.2)
+ rack (>= 1.0)
+ sidekiq (5.1.3)
+ concurrent-ruby (~> 1.0)
+ connection_pool (~> 2.2, >= 2.2.0)
+ rack-protection (>= 1.5.0)
+ redis (>= 3.3.5, < 5)
+ sinatra (2.0.3)
+ mustermann (~> 1.0)
+ rack (~> 2.0)
+ rack-protection (= 2.0.3)
+ tilt (~> 2.0)
+ stal (0.3.0)
+ redic (~> 1.5)
+ thin (1.7.2)
+ daemons (~> 1.0, >= 1.0.9)
+ eventmachine (~> 1.0, >= 1.0.4)
+ rack (>= 1, < 3)
+ tilt (2.0.8)
+ unf (0.1.4)
+ unf_ext
+ unf_ext (0.0.7.5)
+ webrobots (0.1.2)
+
+PLATFORMS
+ ruby
+
+DEPENDENCIES
+ mechanize
+ ohm
+ pry
+ shotgun
+ sidekiq
+ sinatra
+ thin
+
+BUNDLED WITH
+ 1.16.2
diff --git a/2269/3/config.ru b/2269/3/config.ru
new file mode 100755
index 000000000..078cc30ab
--- /dev/null
+++ b/2269/3/config.ru
@@ -0,0 +1,10 @@
+require 'bundler'
+Bundler.require
+
+Dir.glob('./{models,controllers,helpers}/*.rb').each { |file| require_relative file }
+
+Article.redis = Redic.new('redis://127.0.0.1:6379/0')
+Comment.redis = Redic.new('redis://127.0.0.1:6379/0')
+
+map('/articles') { run ArticlesController }
+map('/') { run ApplicationController }
diff --git a/2269/3/controllers/application_controller.rb b/2269/3/controllers/application_controller.rb
new file mode 100755
index 000000000..49dcacd04
--- /dev/null
+++ b/2269/3/controllers/application_controller.rb
@@ -0,0 +1,9 @@
+# Class
+class ApplicationController < Sinatra::Base
+ set :views, File.expand_path(File.join(__FILE__, '../../views'))
+ set :method_override, true
+
+ get '/' do
+ redirect '/articles'
+ end
+end
diff --git a/2269/3/controllers/articles_controller.rb b/2269/3/controllers/articles_controller.rb
new file mode 100755
index 000000000..0d3215d02
--- /dev/null
+++ b/2269/3/controllers/articles_controller.rb
@@ -0,0 +1,34 @@
+require_relative './application_controller.rb'
+
+# Controller
+class ArticlesController < ApplicationController
+ # index
+ get '/' do
+ @articles = Article.all
+ erb :'/articles/index'
+ end
+
+ # new
+ get '/new' do
+ erb :'/articles/create'
+ end
+
+ # show
+ get '/:id' do
+ @article = Article[params[:id]]
+ erb :'/articles/show'
+ end
+
+ # create
+ post '/' do
+ ArticleHelper.new(params[:url])
+ redirect '/'
+ end
+
+ # delete
+ delete '/:id' do
+ Article[params[:id]].comments.each(&:delete)
+ Article[params[:id]].delete
+ redirect '/'
+ end
+end
diff --git a/2269/3/helpers/article_helper.rb b/2269/3/helpers/article_helper.rb
new file mode 100755
index 000000000..366beb2ff
--- /dev/null
+++ b/2269/3/helpers/article_helper.rb
@@ -0,0 +1,28 @@
+# Class
+class ArticleHelper
+ def initialize(url)
+ @agent = Mechanize.new { |agnt| agnt.user_agent_alias = 'Mac Safari' }
+ @agent.history_added = proc { sleep 1 }
+ @article = Article.create(url: url, title: retrieve_title(url))
+ update_article(url)
+ end
+
+ attr_reader :agent, :article
+
+ def retrieve_title(url)
+ page = @agent.get(url)
+ page.title
+ end
+
+ def update_article(url)
+ helper = CommentHelper.new
+ contents = helper.retrieve_comments(url)
+ ratings = helper.retrieve_rating(contents)
+ contents.each_with_index do |content, index|
+ comment = Comment.create(content: content, rate: ratings[index])
+ @article.comments.add(comment)
+ end
+ article_rate = (ratings.sum / contents.size).to_i
+ @article.update(rating: article_rate)
+ end
+end
diff --git a/2269/3/helpers/comment_helper.rb b/2269/3/helpers/comment_helper.rb
new file mode 100755
index 000000000..60b3c09df
--- /dev/null
+++ b/2269/3/helpers/comment_helper.rb
@@ -0,0 +1,49 @@
+# Class
+class CommentHelper
+ def initialize
+ @agent = Mechanize.new { |agnt| agnt.user_agent_alias = 'Mac Safari' }
+ @agent.history_added = proc { sleep 1 }
+ end
+
+ attr_reader :agent, :data
+
+ def retrieve_comments(path)
+ article_id = @agent.get(path).css('.news_view_count').last.values[1]
+ url = "https://comments.api.onliner.by/news/tech.post/#{article_id}/comments?limit=50&_=0.9841189675826583"
+ response = agent.get(url)
+ comments = []
+ JSON.parse(response.body)['comments'].each { |elem| comments << elem['text'].tr("\n", ' ') }
+ comments
+ end
+
+ def retrieve_rating(comments)
+ @data = { documents: [] }
+ comments.each_with_index do |comment, index|
+ @data[:documents] << { 'id' => index.to_s, 'language' => 'ru', 'text' => comment }
+ end
+ calculate_rating
+ end
+
+ def calculate_rating
+ url = URI('https://westeurope.api.cognitive.microsoft.com/text/analytics/v2.0/sentiment')
+ response = send_request(url)
+ rating = []
+ JSON.parse(response.body)['documents'].map do |value|
+ rating << ((value['score'] * 200).round(0) - 100)
+ end
+ rating
+ end
+
+ def send_request(url)
+ Net::HTTP.start(url.host, url.port, use_ssl: url.scheme == 'https') do |http|
+ http.request(build_request(url))
+ end
+ end
+
+ def build_request(url)
+ key = File.read('api_key')
+ request = Net::HTTP::Post.new(url, 'Content-Type' => 'application/json', 'Ocp-Apim-Subscription-Key' => key)
+ request.body = @data.to_json
+ request
+ end
+end
diff --git a/2269/3/models/article.rb b/2269/3/models/article.rb
new file mode 100755
index 000000000..37700b3a8
--- /dev/null
+++ b/2269/3/models/article.rb
@@ -0,0 +1,7 @@
+# Class that represents model of Article
+class Article < Ohm::Model
+ attribute :url
+ attribute :title
+ set :comments, :Comment
+ attribute :rating
+end
diff --git a/2269/3/models/comment.rb b/2269/3/models/comment.rb
new file mode 100755
index 000000000..48d63e2e4
--- /dev/null
+++ b/2269/3/models/comment.rb
@@ -0,0 +1,5 @@
+# Class that represents model of Comment to a Article
+class Comment < Ohm::Model
+ attribute :content
+ attribute :rate
+end
diff --git a/2269/3/views/articles/create.erb b/2269/3/views/articles/create.erb
new file mode 100755
index 000000000..a9010e1ad
--- /dev/null
+++ b/2269/3/views/articles/create.erb
@@ -0,0 +1,8 @@
+New article
+
\ No newline at end of file
diff --git a/2269/3/views/articles/index.erb b/2269/3/views/articles/index.erb
new file mode 100755
index 000000000..10b1589ce
--- /dev/null
+++ b/2269/3/views/articles/index.erb
@@ -0,0 +1,30 @@
+Article's List
+
+
+ ID
+
+ Article's title
+
+ Rating
+ Actions
+ <% @articles.each do |article| %>
+
+ <%= article.id %>
+ <%= article.title %>
<%= article.rating %>
+
+
+
+
+ <% end %>
+
+<%= @article.title %>
+
+
+ Comment text
Rating
+
+ <% @article.comments.each do |comment| %>
+
+ <%= comment.content %>
+ <%= comment.rate %>
+ <% end %>
+
+Task #3
+
+
+ <%= yield %>
+
+
+
+
+
+