Feature/convertor

README.md

@@ -3,13 +3,23 @@
 # Оглавление курса "Разработка на Ruby on Rails"
 
 ### Урок 1: Работа с командной строкой.
+<<<<<<< HEAD
 1. Командная строка Linux.
 1. Справка по командам Linux.
 1. Общие команды для работы с файлами и папками.
 1. Домашняя директория пользователя.
 1. Работа с текстовыми файлами в командной строке.
 1. Права доступа на файлы и папки.
 ### Урок 2: IDE разработчика. Git.
+=======
+1. Командная строка Linux
+1. Справка по командам Linux
+1. Общие команды для работы с файлами и папками
+1. Домашняя директория пользователя
+1. Работа с текстовыми файлами в командной строке
+1. Права доступа на файлы и папки
+### Урок 2: IDE разработчика. Git. -my
+>>>>>>> 7cce78481a5e178ab841910925ed3c77bf092c6e
 1. Слепой метод печати.
 1. IDE разработчика: RubyMine, Vim и другие.
 1. Git. Git Flow.

lesson04/homework/convertor/Dockerfile

@@ -0,0 +1,11 @@
+FROM ruby:2.7.0
+
+RUN gem install nokogiri -- --use-system-libraries
+
+RUN mkdir -p /convertor
+WORKDIR /convertor
+
+COPY Gemfile Gemfile.lock ./
+RUN bundle install --jobs 3
+
+COPY . /convertor

lesson04/homework/convertor/Gemfile

@@ -0,0 +1,8 @@
+source "https://rubygems.org"
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+ruby '2.7.0'
+
+gem 'rubocop', '~> 0.80.1', require: false
+gem 'nokogiri'
+gem 'require_all'

lesson04/homework/convertor/Gemfile.lock

@@ -0,0 +1,38 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.0)
+    jaro_winkler (1.5.4)
+    mini_portile2 (2.4.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
+    parallel (1.19.1)
+    parser (2.7.0.4)
+      ast (~> 2.4.0)
+    rainbow (3.0.0)
+    require_all (3.0.0)
+    rexml (3.2.4)
+    rubocop (0.80.1)
+      jaro_winkler (~> 1.5.1)
+      parallel (~> 1.10)
+      parser (>= 2.7.0.1)
+      rainbow (>= 2.2.2, < 4.0)
+      rexml
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 1.7)
+    ruby-progressbar (1.10.1)
+    unicode-display_width (1.6.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  nokogiri
+  require_all
+  rubocop (~> 0.80.1)
+
+RUBY VERSION
+   ruby 2.7.0p0
+
+BUNDLED WITH
+   2.1.4

lesson04/homework/convertor/bin/converter

@@ -0,0 +1,15 @@
+#!/usr/local/bin/ruby
+require 'bundler/setup'
+Bundler.require
+require 'optparse'
+require_rel '../main.rb'
+
+options = {}
+OptionParser.new do |opts|
+  opts.on("--output STRING", String)
+  opts.on("--input STRING", String)
+  opts.on("--sort STRING", String)
+end.parse!(into: options)
+
+main_program = Main.new(options)
+main_program.run

lesson04/homework/convertor/docker-compose.yml

@@ -0,0 +1,20 @@
+version: '3.7'
+
+services:
+  web:
+    build: .
+    volumes:
+      - .:/convertor:cached
+      - ~/.bash_history:/root/.bash_history
+      - bundle_cache:/bundle_cache
+    environment:
+      - BUNDLE_PATH=/bundle_cache
+      - GEM_HOME=/bundle_cache
+      - GEM_PATH=/bundle_cache
+  bundle_cache:
+    image: busybox
+    volumes:
+      - bundle_cache:/bundle_cache
+
+volumes:
+  bundle_cache:

lesson04/homework/convertor/lib/convertors/converter.rb

@@ -0,0 +1,6 @@
+module Converter
+  def self.convert(inputData, output)
+    nameModule = output.capitalize + 'Converter';
+    Module.const_get(nameModule).convert inputData
+  end
+end

lesson04/homework/convertor/lib/convertors/ext/atom_converter.rb

@@ -0,0 +1,19 @@
+module AtomConverter
+
+  def self.convert(inputData)
+    builder = Nokogiri::XML::Builder.new(:encoding => 'UTF-8') do |xml|
+      xml.feed('xml:lang' => 'ru') {
+          inputData.each do |item|
+            xml.entry {
+              xml.guid item[:guid]
+              xml.title item[:title]
+              xml.description item[:description]
+              xml.pubDate item[:pubDate]
+              xml.category item[:category]
+            }
+          end
+      }
+    end
+    builder.to_xml
+  end
+end

lesson04/homework/convertor/lib/convertors/ext/json_converter.rb

@@ -0,0 +1,7 @@
+module JsonConverter
+
+  def self.convert(data)
+    result = JSON.pretty_generate(data)
+    result
+  end
+end

lesson04/homework/convertor/lib/convertors/ext/rss_converter.rb

@@ -0,0 +1,21 @@
+module RssConverter
+
+  def self.convert(inputData)
+    builder = Nokogiri::XML::Builder.new(:encoding => 'UTF-8') do |xml|
+      xml.rss(version: "2.0") {
+        xml.channel {
+          inputData.each do |item|
+            xml.item {
+              xml.guid item[:guid]
+              xml.title item[:title]
+              xml.description item[:description]
+              xml.pubDate item[:pubDate]
+              xml.category item[:category]
+            }
+          end
+        }
+      }
+    end
+    builder.to_xml
+  end
+end

lesson04/homework/convertor/lib/name_files.rb

@@ -0,0 +1,8 @@
+module NameFiles
+  def self.find(path)
+    files = Dir[path]
+    files.map!{ |file| file.split('/').last.split('.').first }
+    files.map!{|name| name.split('_').map(&:capitalize).join('')}
+    files
+  end
+end

lesson04/homework/convertor/lib/parsers/ext/atom_parser.rb

@@ -0,0 +1,24 @@
+module AtomParser
+
+  def self.parse(inputData)
+    data = []
+    xml_doc = Nokogiri::XML(inputData)
+    xml_doc.remove_namespaces!
+    doc = xml_doc.xpath("//entry") 
+    doc.each do |item|
+      obj = { 
+        guid: item.at('id').text,
+        title: item.at('title').text,
+        description: item.at('summary').text,
+        pubDate: item.at('published').text,
+        category: item.at('category').text,
+      }
+      data << obj
+    end
+    data
+  end
+
+  def self.can?(data)
+    Nokogiri::XML(data).errors.empty? && data.include?('</feed>')
+  end
+end

lesson04/homework/convertor/lib/parsers/ext/json_parser.rb

@@ -0,0 +1,23 @@
+module JsonParser
+
+  def self.parse(inputData)
+    data = [];
+    JSON.parse(inputData).each do |item|
+      data << {
+        guid: item['guid'],
+        title: item['title'],
+        description: item['description'],
+        pubDate: item['pubDate'],
+        category: item['category']
+      }
+    end
+    data
+  end
+
+  def self.can?(data)
+    JSON.parse(data)
+    return true
+    rescue JSON::ParserError => e
+      return false
+  end
+end

lesson04/homework/convertor/lib/parsers/ext/rss_parser.rb

@@ -0,0 +1,23 @@
+module RssParser
+
+  def self.parse(data)
+    xml_doc = Nokogiri::XML(data)
+    data = [];
+    doc = xml_doc.xpath("//item") 
+    doc.each do |item|
+      obj = { 
+        guid: item.at('guid').text,
+        title: item.at('title').text,
+        description: item.at('description').text,
+        pubDate: item.at('pubDate').text,
+        category: item.at('category').text,
+      }
+      data << obj
+    end
+    data
+  end
+
+  def self.can?(data)
+    Nokogiri::XML(data).errors.empty? && !data.include?('</feed>')
+  end
+end

lesson04/homework/convertor/lib/parsers/parser.rb

@@ -0,0 +1,13 @@
+module Parser
+
+  def self.parse(inputData)
+    filesNamed = NameFiles.find('lib/parsers/ext/*.rb')
+    data = []
+    filesNamed.each do |nameModule| 
+      if (Module.const_get(nameModule).can? (inputData))
+        data = Module.const_get(nameModule).parse inputData
+      end
+    end
+    data
+  end
+end

lesson04/homework/convertor/lib/readers/ext/file_reader.rb

@@ -0,0 +1,13 @@
+module FileReader
+  def self.read(input)
+    data = ''
+    open(input) { |f|
+      f.each_line {|line| data += line}
+    }
+    data
+  end
+
+  def self.can?(input)
+    File.file? input
+  end
+end

lesson04/homework/convertor/lib/readers/ext/link_reader.rb

@@ -0,0 +1,18 @@
+module LinkReader
+  def self.read(input)
+    data = ''
+    OpenURI.open_uri(input) { |f|
+      f.each_line {|line| data += line}
+    }
+    data
+  end
+
+  def self.can?(input)
+    uri = URI.parse(input)
+    %w( http https ).include?(uri.scheme)
+    rescue URI::BadURIError
+      false
+    rescue URI::InvalidURIError
+      false
+  end
+end

lesson04/homework/convertor/lib/readers/reader.rb

@@ -0,0 +1,13 @@
+module Reader
+  def self.read(input)
+    files = NameFiles.find('lib/readers/ext/*.rb')
+
+    data = ''
+    files.each do |nameModule| 
+      if (Module.const_get(nameModule).can? (input))
+        data = Module.const_get(nameModule).read input
+      end
+    end
+    data
+  end
+end

lesson04/homework/convertor/lib/sorters/asc_sorter.rb

@@ -0,0 +1,6 @@
+module AscSorter
+
+  def self.sort(data)
+    result = data.sort_by {|x| x[:pubDate] }
+  end
+end

lesson04/homework/convertor/lib/write_file.rb

@@ -0,0 +1,9 @@
+module WriteFile
+
+  def self.write(data, output)
+    path = 'files/file.' + output
+    File.open(path, 'w') do |file|
+      file.puts data
+    end
+  end
+end

lesson04/homework/convertor/main.rb

@@ -0,0 +1,26 @@
+require 'bundler/setup'
+Bundler.require
+require 'nokogiri'
+require 'open-uri'
+require 'rubocop'
+require 'json'
+require 'require_all'
+require 'uri'
+require_all 'lib'
+
+class Main
+  def initialize(options)
+    @input = options[:input]
+    @output = options[:output]
+    @sort = options[:sort]
+  end
+
+  def run
+    data = Reader.read(@input)
+    parsed_data = Parser.parse(data)
+    sorted_data = @sort == 'desc' ? DescSorter.sort(parsed_data) : AscSorter.sort(parsed_data)
+    converted_data = Converter.convert(sorted_data, @output)
+    WriteFile.write(converted_data, @output)
+  end
+
+end