lib/attached.rb in attached-0.1.8 vs lib/attached.rb in attached-0.1.9

@@ -63,10 +63,17 @@
 
       define_method "#{name}?" do
         attachment_for(name).file?
       end
       
+      validates_each(name) do |record, attr, value|
+        attachment = record.attachment_for(name)
+        attachment.errors.each do |error|
+          record.errors.add(name, error)
+        end
+      end
+      
       after_validation do
         
         self.errors[:"#{name}_size"].each do |message|
           self.errors.add(name, message)
         end
@@ -122,9 +129,32 @@
       message.gsub!(/:minimum/, number_to_size(minimum)) unless minimum == zero
       message.gsub!(/:maximum/, number_to_size(maximum)) unless maximum == infi
       
       validates_inclusion_of :"#{name}_size", :in => range, :message => message, 
         :if => options[:if], :unless => options[:unless]
+      
+    end
+    
+    
+    # Validates an attached extension in a specified set. 
+    #
+    # Options:
+    #
+    # * :in - allowed values for attached
+    #
+    # Usage:
+    #   
+    #   validates_attached_extension :avatar, :in => %w(png jpg)
+    #   validates_attached_extension :avatar, :in => [:png, :jpg]
+    #   validates_attached_extension :avatar, :in => %w(png jpg), :message => "extension must be :in"
+    #   validates_attached_extension :avatar, :in => %w(png jpg), :message => "extension must be :in"
+    
+    def validates_attached_extension(name, options = {})
+      
+      message = options[:message]
+      message ||= "extension must be specified"
+       
+      range = options[:in].map { |element| /element/ }
       
     end
     
     
     # Validates that an attachment is included.
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