AttachmentsController now handles attachments deletion.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2116 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/acts_as_attachable/init.rb

@@ -0,0 +1,2 @@
+require File.dirname(__FILE__) + '/lib/acts_as_attachable'
+ActiveRecord::Base.send(:include, Redmine::Acts::Attachable)

vendor/plugins/acts_as_attachable/lib/acts_as_attachable.rb

@@ -0,0 +1,57 @@
+# Redmine - project management software
+# Copyright (C) 2006-2008  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module Acts
+    module Attachable
+      def self.included(base)
+        base.extend ClassMethods
+      end
+
+      module ClassMethods
+        def acts_as_attachable(options = {})
+          cattr_accessor :attachable_options
+          self.attachable_options = {}
+          attachable_options[:view_permission] = options.delete(:view_permission) || "view_#{self.name.pluralize.underscore}".to_sym
+          attachable_options[:delete_permission] = options.delete(:delete_permission) || "edit_#{self.name.pluralize.underscore}".to_sym
+          
+          has_many :attachments, options.merge(:as => :container,
+                                               :order => "#{Attachment.table_name}.created_on",
+                                               :dependent => :destroy)
+          send :include, Redmine::Acts::Attachable::InstanceMethods
+        end
+      end
+
+      module InstanceMethods
+        def self.included(base)
+          base.extend ClassMethods
+        end
+        
+        def attachments_visible?(user=User.current)
+          user.allowed_to?(self.class.attachable_options[:view_permission], self.project)
+        end
+        
+        def attachments_deletable?(user=User.current)
+          user.allowed_to?(self.class.attachable_options[:delete_permission], self.project)
+        end
+        
+        module ClassMethods
+        end
+      end
+    end
+  end
+end