Class: GoShortener

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

Instance Method Summary collapse

Constructor Details

#initialize(api_key = "") ⇒ GoShortener

initialize with/without api key



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# File 'lib/goshortener.rb', line 10

def initialize(api_key="")
  @api_key = api_key unless api_key == ""
  @base_url = "https://www.googleapis.com/urlshortener/v1/url"
end

Instance Method Details

#lengthen(short_url) ⇒ Object

Given a short URL, Returns the true long url using goo.gl service



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# File 'lib/goshortener.rb', line 33

def lengthen(short_url)
  if short_url.is_a?(String)
    request_params = {:shortUrl => short_url}
    request_params.merge!(:key => @api_key) if @api_key
    begin
      response = RestClient.get @base_url, :params => request_params
    rescue
      raise InvalidUrlError, "Please provide a valid URL"
    end
  else
    raise "Please provide a valid http://goo.gl url String"
  end
  response = JSON.parse response
  response["longUrl"]
end

#shorten(long_url) ⇒ Object

Given a long URL, Returns the true short url using goo.gl service



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# File 'lib/goshortener.rb', line 16

def shorten(long_url)
  if long_url.is_a?(String)
    request_json = {'longUrl' => long_url}.to_json
    request_url = @api_key ? (@base_url + "?key=#{@api_key}") : @base_url
    begin
      response = RestClient.post request_url, request_json, :accept => :json, :content_type => :json
    rescue 
      raise InvalidUrlError, "Please provide a valid URL"
    end
  else
    raise "Please provide a url String"
  end
  response = JSON.parse response
  response["id"]
end