Made generator create better file names

git-svn-id: https://svn.thoughtbot.com/plugins/paperclip/trunk@219 7bbfaf0e-4d1d-0410-9690-a8bb5f8ef2aa

generators/paperclip/paperclip_generator.rb

@@ -3,11 +3,11 @@ class PaperclipGenerator < Rails::Generator::NamedBase
  
   def initialize(args, options = {})
     super
-    @class_name, @attachments = args
+    @class_name, @attachments = args[0], args[1..-1]
   end
  
-  def manifest
-    file_name = "add_paperclip_attachment_columns_to_#{@class_name.underscore}"
+  def manifest    
+    file_name = generate_file_name
     @migration_name = file_name.camelize
     record do |m|
       m.migration_template "paperclip_migration.rb",
@@ -15,5 +15,13 @@ class PaperclipGenerator < Rails::Generator::NamedBase
                            :migration_file_name => file_name
     end
   end 
+  
+  private 
+  
+  def generate_file_name
+    names = attachments.map{|a| a.underscore }
+    names = names[0..-2] + ["and", names[-1]] if names.length > 1
+    "add_attachments_#{names.join("_")}_to_#{@class_name.underscore}"
+  end
  
 end
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