Class: Google

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

Instance Method Summary collapse

Constructor Details

#initialize(query, opts) ⇒ Google

Returns a new instance of Google.



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# File 'lib/google.rb', line 12

def initialize(query, opts)
  @unescaped_query = query
  @query = URI.escape(query)
  @opts = opts
  @opts[:size] = 8 if opts[:size] > 7
  @opts[:size] = 1 if opts[:size] <= 1
end

Instance Method Details

#clipboard_copy(plain_url, markdown_link_format = ) ⇒ Object 



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# File 'lib/google.rb', line 113

def clipboard_copy(plain_url, markdown_link_format = @opts[:markdown])
  text = if markdown_link_format
    "[#{@unescaped_query}](#{plain_url})"
  else
    plain_url
  end
  Clipboard.copy text
end

#display_serp(info) ⇒ Object 



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# File 'lib/google.rb', line 42

def display_serp(info)
  results = info[:results]
  query_strings = info[:query_strings]
  coder = HTMLEntities.new
  current_page = results['responseData']['cursor']['currentPageIndex']+1
  max_result = query_strings[:start] + query_strings[:rsz]
  estimated_results = results['responseData']['cursor']['resultCount']
  result_array = results['responseData']['results']

  Formatador.display_line "\n#{' ' * (max_result.to_s.length + 2)}[yellow]Powered by Google[/]"

  result_array.each_with_index do |result, i|
    this_num = (i + query_strings[:start] + 1).to_s

    serp_title = "\n#{' ' * (max_result.to_s.length - this_num.length)}[bold][blue]#{this_num}. "\
                  "[normal]#{result["titleNoFormatting"]}[/]\n"
    serp_url = "#{' ' * max_result.to_s.length}[green]#{result["url"]}[/]\n"
    serp_desc = ' ' * max_result.to_s.length + result["content"].gsub(/<b>/, "[bold]").gsub(/<\/b>/, "[/]").squeeze(" ")

    Formatador.display_line coder.decode(Utils::wrap(serp_title, :prefix => max_result.to_s.length + 2))
    Formatador.display_line coder.decode(Utils::wrap(serp_url, :prefix => max_result.to_s.length + 2))
    Formatador.display_line coder.decode(Utils::wrap(serp_desc, :prefix => max_result.to_s.length + 2))
  end

  Formatador.display_line "\n#{' ' * (max_result.to_s.length + 2)}[yellow]Displaying results #{query_strings[:start] + 1}"\
                          " through #{max_result} of #{estimated_results} (Page #{current_page})"

  input info, result_array
end

#input(info, result_array) ⇒ Object 



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# File 'lib/google.rb', line 72

def input(info, result_array)
  Formatador.display Utils::wrap("\n[yellow]Enter N or P for pagination, E or Q to quit, or a number to copy the url to your clipboard.")
  Formatador.display "\n[bold]>[/] "
  choice = STDIN.gets
  if choice.nil? # Likely because the user submitted EOT via ^D
    choice = ' '
  else
    choice.chomp + ' '
  end

  case
    # Quit
    when choice[0].downcase == 'e' || choice[0].downcase == 'q'
      exit
    # Next Page
    when choice[0].downcase == 'n'
      display_serp request(:q => @query, :rsz => @opts[:size], :start => info[:query_strings][:start] + @opts[:size])
    # Previous Page
    when choice[0].downcase == 'p'
      if info[:query_strings][:start] < 1
        Formatador.display Utils::wrap("[yellow]! Already at page one.")
        input info, result_array
      else
        display_serp request(:q => @query, :rsz => @opts[:size], :start => info[:query_strings][:start] - @opts[:size])
      end
    # Numerical Choice
    when choice[0].match(/\d/)
      /(\d+)(\s*\|(.*))*/.match(choice) do |str|
        #puts str.inspect

        num = str[1].to_i - 1 # Remember, we are 1-indexing things for the user

        clipboard_copy url(result_array, info, num)
      end
    # Catch-all to grab input again
    else
      clipboard_copy url(result_array, info, 0)
  end
  exit
end

#request(query_strings) ⇒ Object 



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# File 'lib/google.rb', line 30

def request(query_strings)
  @api_url = "http://ajax.googleapis.com/ajax/services/search/web?v=1.0"\
             "&rsz=#{query_strings[:rsz]}&start=#{query_strings[:start]}&q=#{query_strings[:q]}"
  results = JSON.parse(open(@api_url).read)
  if results['responseStatus'].to_i != 200
    Trollop::die Utils::wrap("Google Search API Status #{results['responseStatus']}. Details:\n"\
                             "#{results['responseDetails']}\nTry again in a moment")
  end

  {:results => results, :query_strings => query_strings}
end

#search ⇒ Object 



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# File 'lib/google.rb', line 20

def search
  if @opts[:result]
    results = request :q => @query, :rsz => 1, :start => (@opts[:result] - 1)
    view results[:results]['responseData']['results'][0]['url']
  else
    results = request :q => @query, :rsz => @opts[:size], :start => ((@opts[:page] - 1) * @opts[:size])
    display_serp results
  end
end

#url(result_array, info, obscure_num) ⇒ Object 



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# File 'lib/google.rb', line 122

def url(result_array, info, obscure_num)
  result_array[obscure_num - info[:query_strings][:start]]['url']
end

#view(url) ⇒ Object 



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# File 'lib/google.rb', line 127

def view(url)
  Formatador.display Utils::wrap(grab(url))
end