Class: DotFiles::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/dot_files/command.rb

Instance Method Summary collapse

Constructor Details

#initialize(block) ⇒ Command

Returns a new instance of Command.



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# File 'lib/dot_files/command.rb', line 4

def initialize(block)
  (class << self;self end).send :define_method, :command, &block
end

Instance Method Details

#call(*args) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 8

def call(*args)
  arity = method(:command).arity
  args << nil while args.size < arity
  send :command, *args
end

#error(message, exit_code = 1) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 14

def error(message, exit_code = 1)
  puts "\e[31m#{message}\e[0m"
  Process.exit(exit_code)
end

#puts(text = '') ⇒ Object 



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# File 'lib/dot_files/command.rb', line 101

def puts(text = '')
  text = text.to_s
  text.gsub!(/\{\{(.*)\}\}/) { "\e[33m#{$1}\e[0m"}
  super
end

#remote_file_contents(path) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 107

def remote_file_contents(path)
  req = request("#{DotFiles.config.username}/#{path}")
  req ? JSON.parse(req)['file'] : nil
end

#remote_files ⇒ Object

 Return an array of all files which need to be synced



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# File 'lib/dot_files/command.rb', line 66

def remote_files
  if files = get_remote_files
    array = []
    DotFiles.config.shas = Hash.new unless DotFiles.config.shas.is_a?(Hash)
    for filename, remote_sha in files
      hash = {:filename => filename, :action => nil, :local_sha => nil, :local_cached_sha => nil, :remote_sha => remote_sha, :local_path => File.join(ENV['HOME'], filename)}
      
      if File.exist?(hash[:local_path])
        hash[:local_sha] = Digest::SHA1.hexdigest(File.read(hash[:local_path]))
        hash[:local_cached_sha] = DotFiles.config.shas[hash[:filename]]
        
        local_file_changed = (hash[:local_sha] != hash[:local_cached_sha])
        remote_file_changed = (hash[:local_cached_sha] != hash[:remote_sha])
        
        if local_file_changed && remote_file_changed
          hash[:action] = :conflict
        elsif !local_file_changed && remote_file_changed
          hash[:action] = :update_local
        elsif local_file_changed && !remote_file_changed
          hash[:action] = :update_remote
        else
          hash[:action] = :none
        end
      else
        hash[:action] = :create_local
      end
      
      array << hash
    end
    array
  else
    error "We couldn't get a list of files from the remote service. Please try later."
  end
end

#request(path, options = {}) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 19

def request(path, options = {})
  uri = URI.parse(DotFiles.site + "/" + path)
  
  if options[:data]
    req = Net::HTTP::Post.new(uri.path)
  else
    req = Net::HTTP::Get.new(uri.path)
  end
  
  
  req.basic_auth(options[:username] || DotFiles.config.username, options[:api_key] || DotFiles.config.api_key)
  
  res = Net::HTTP.new(uri.host, uri.port)
  
  req.add_field("Accept", "application/json")
  req.add_field("Content-type", "application/json")
  
  if options[:data]
    options[:data] = options[:data].to_json
  end
  
  #res.use_ssl = true
  #res.verify_mode = OpenSSL::SSL::VERIFY_NONE
  begin
    Timeout.timeout(10) do
      res = res.request(req, options[:data])
      case res
      when Net::HTTPSuccess
        return res.body.strip
      else
        false
      end
    end
  rescue Timeout::Error
    puts "Sorry, the request timed out. Please try again later."
    Process.exit(1)
  end
end

#require_setup ⇒ Object 



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# File 'lib/dot_files/command.rb', line 58

def require_setup
  unless DotFiles.config.username && DotFiles.config.api_key
    error "You haven't configured this computer yet. Run 'dotfiles setup' to authorise this computer."
  end
end

#save_local_file(filename, contents) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 117

def save_local_file(filename, contents)
  local_path = File.join(ENV['HOME'], filename)
  FileUtils.mkdir_p(File.dirname(local_path))
  File.open(local_path, 'w') { |f| f.write(contents) }
  DotFiles.config.shas[filename] = Digest::SHA1.hexdigest(contents)
  DotFiles.config.save
end

#save_remote_file(path, contents) ⇒ Object 



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# File 'lib/dot_files/command.rb', line 112

def save_remote_file(path, contents)
  req = request("save", :data => {:dot_file => {:path => path, :file => contents}})
  req ? true : false
end