Module: Bitly

Extended by:
Bitly
Included in:
Bitly
Defined in:
lib/simple_bitlify.rb

Overview

A basic, caching, Bitlifier

Constant Summary collapse

TIME_TO_LIVE =

1 year

365 * 24 * 3600
TIME_TO_LIVE_FAILURE =

1 hour

3600

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#cache ⇒ Object

Returns the value of attribute cache.



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

def cache
  @cache
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/simple_bitlify.rb', line 13

def config
  @config
end

Class Method Details

.shorten(url) ⇒ Object 



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# File 'lib/simple_bitlify.rb', line 40

def self.shorten(url)
  return url if !url || url.index("/bit.ly/")

  cache.fetch(url) || begin
    bitly_url = "#{self.url_base}&longUrl=#{CGI.escape(url)}"
    parsed = JSON.parse get(bitly_url) 

    shortened = parsed["data"]["url"] if parsed["status_code"] == 200
    cache.store(url, shortened || url, shortened ? TIME_TO_LIVE : TIME_TO_LIVE_FAILURE)
  end
end

.url_base ⇒ Object

self.config = 

"user" => "radiospiel",
 "key" => "R_b01d6497ec9a1b2fff03fe942f7c3e1c"




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# File 'lib/simple_bitlify.rb', line 31

def self.url_base
  @url_base ||= begin
    user, key = (self.config || {}).values_at "user", "key"

    raise "Missing or invalid bitly configuration: #{config.inspect}" unless user && key
    "https://api-ssl.bitly.com/v3/shorten?login=#{user}&apiKey=#{key}"
  end
end