gravatarify.rb in gravatarify-3.1.1

- old
+ new

@@ -1,16 +1,17 @@
 require 'gravatarify/version'
+require 'zlib'
 
 # Provides support for adding gravatar images in ruby (and rails)
 # applications.
 module Gravatarify
   autoload :Base,   'gravatarify/base'
   autoload :Helper, 'gravatarify/helper'
   autoload :Utils,  'gravatarify/utils'
-  
+
   class << self
-    
+
     # Global options which are merged on every call to
     # +gravatar_url+, this is useful to e.g. define a default image.
     #
     # When using Rails defining default options is best done in an
     # initializer +config/initializers/gravatarify.rb+ (or similar).
@@ -25,48 +26,48 @@
     #
     #     # or disable adding an extension
     #     Gravatarify.options[:filetype] = false
     #
     def options; @options ||= { :filetype => :jpg } end
-  
+
     # Allows to define some styles, makes it simpler to call by name, instead of always giving a size etc.
-    # 
+    #
     #   Gravatarify.styles[:mini] => { :size => 30, :default => "http://example.com/gravatar-mini.jpg" }
-    # 
+    #
     #   # in the views, it will then use the stuff defined by styles[:mini]:
     #   <%= gravatar_tag @user, :mini %>
     #
     def styles; @styles ||= {} end
-    
+
     # Globally overide subdomains used to build gravatar urls, normally
     # +gravatarify+ picks from either +0.gravatar.com+, +1.gravatar.com+,
-    # +2.gravatar.com+ or +www.gravatar.com+ when building hosts, to use a custom
+    # +2.gravatar.com+, +3.gravater.com+ or +www.gravatar.com+ when building hosts, to use a custom
     # set of subdomains (or none!) do something like:
     #
     #     Gravatarify.subdomains = %w{ 0 www } # only use 0.gravatar.com and www.gravatar.com
     #
     def subdomains=(subdomains) @subdomains = [*subdomains] end
-    
+
     # Get subdomain for supplied string or returns +www+ if none is
     # defined.
     def subdomain(str) #:nodoc:
       @subdomains ||= []
       unless @subdomains.empty?
-        subdomain = @subdomains[str.hash % @subdomains.size]
+        subdomain = @subdomains[Zlib.crc32(str) % @subdomains.size]
         subdomain + "." if subdomain
       end
     end
-    
+
     # Is running rails and at least rails 3.x
     def rails?
       defined?(::Rails) && ::Rails.version.to_i >= 3
     end
-    
+
     # Loads `Gravatarify::Helper` as view helper via `ActionController::Base.helper`
     def setup_rails!
       ActiveSupport.on_load(:action_controller) { ActionController::Base.helper(Gravatarify::Helper) }
     end
-  end  
+  end
 end
 
-# Try to init rails3
+# Try to init rails
 Gravatarify.setup_rails! if Gravatarify.rails?