Implement Yadisk::Main class, write specs, update readme, add .gitignore

.gitignore

@@ -0,0 +1,56 @@
+### Ruby ###
+*.gem
+*.rbc
+/.config
+/coverage/
+/InstalledFiles
+/pkg/
+/spec/reports/
+/spec/examples.txt
+/test/tmp/
+/test/version_tmp/
+/tmp/
+
+# Used by dotenv library to load environment variables.
+# .env
+
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
+*.bridgesupport
+build-iPhoneOS/
+build-iPhoneSimulator/
+
+## Specific to RubyMotion (use of CocoaPods):
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# vendor/Pods/
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+
+## Environment normalization:
+/.bundle/
+/vendor/bundle
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+# Gemfile.lock
+# .ruby-version
+# .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+# Ignore backup files
+*~
+# Ignore download test files
+# /spec/files/

README.md

@@ -19,12 +19,30 @@ $ gem install --dev yadisk
 
 ```
 # Save to current directory
-$ yadisk https://yadi.sk/i/UFD
+$ yadisk https://yadi.sk/i/HEjuI2Ln3RiRcQ
 
 # Save to other directory
-$ yadisk https://yadi.sk/i/UFD /path/to/directory
+$ yadisk https://yadi.sk/i/HEjuI2Ln3RiRcQ /path/to/directory
 ```
 
+## How use for development
+
+```
+# Local build and install to rubygems
+$ gem build yadisk.gemspec && gem install yadisk-*
+
+# Remove local file and uninstall from rubygems
+$ rm yadisk-*.gem && gem uninstall yadisk
+
+# Run script from local folder
+$ ruby -Ilib ./bin/yadisk https://yadi.sk/i/HEjuI2Ln3RiRcQ
+```
+
+## Dependencies
+
+* [wget](https://www.gnu.org/software/wget/)
+* [ruby](https://www.ruby-lang.org/ru/downloads/) >= 2.2
+
 ## Test
 
 For run test use:
@@ -39,5 +57,4 @@ Feel free for send me pull request.
 
 ## License
 
-MIT
-
+License (MIT) Copyright (c) 2018 Yegorov A. [email protected]

bin/yadisk

@@ -1,8 +1,15 @@
 #!/usr/bin/env ruby
-
-# handle ARGV, and execute Yadisk::Main class
+# encoding: utf-8
 
 require 'yadisk'
 require 'yadisk/check_runtime'
 
 Yadisk::CheckRuntime.check_wget
+
+if ARGV.length == 1
+  Yadisk::Main.new.download(ARGV[0])
+elsif ARGV.length == 2
+  Yadisk::Main.new.download(ARGV[0], folder: ARGV[1])
+else
+  puts "Use: $ yadisk url [/path/to/download/local/folder]\n"
+end

lib/yadisk.rb

@@ -1 +1,25 @@
-# write Yadisk::Main class
+# encoding: utf-8
+
+require 'cgi'
+require 'cgi/util'
+require 'uri'
+require 'io/console'
+require 'json'
+
+module Yadisk
+  class Main
+    BASE_URL = 'https://cloud-api.yandex.net:443/v1/disk/public/resources/download?public_key='
+    def download(url, folder: './')
+      enc_url = CGI::escape(url)
+
+      puts "wget -qO - #{BASE_URL}#{enc_url}"
+      res = IO.popen("wget -qO - #{BASE_URL}#{enc_url}").read
+      json_res = JSON.parse(res)
+      download_url = json_res['href']
+      filename = CGI::parse(URI(download_url).query)["filename"][0]
+      folder = folder + "/" if not folder.end_with?('/')
+
+      system("wget '#{download_url}' -O '#{folder}#{filename}'")
+    end
+  end
+end

spec/feature/main_class_spec.rb

@@ -1,6 +1,14 @@
+require 'yadisk'
+
 RSpec.describe Yadisk::Main do
-  it "#download" do
-    yadisk = Yadisk::Main.new
+  let(:yadisk) { Yadisk::Main.new }
+
+  it "has download method" do
     expect(yadisk).to respond_to(:download)
   end
+
+  it "must download file" do
+    yadisk.download("https://yadi.sk/i/HEjuI2Ln3RiRcQ", folder: "./spec/files/")
+    expect(File.exists?("./spec/files/Обои для рабочего стола.jpg")).to be true
+  end
 end