Adds permissions to let users edit and/or delete their messages (#854, patch by Markus Knittig with slight changes).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2019 e93f8b46-1217-0410-a6f0-8f06a7374b81

3 files changed, 17 insertions, 7 deletions

diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 79b4b616a..af39efb21 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -19,7 +19,7 @@ class MessagesController < ApplicationController
   menu_item :boards
   before_filter :find_board, :only => [:new, :preview]
   before_filter :find_message, :except => [:new, :preview]
-  before_filter :authorize, :except => :preview
+  before_filter :authorize, :except => [:preview, :edit, :destroy]
 
   verify :method => :post, :only => [ :reply, :destroy ], :redirect_to => { :action => :show }
   verify :xhr => true, :only => :quote
@@ -30,7 +30,7 @@ class MessagesController < ApplicationController
 
   # Show a topic and its replies
   def show
-    @replies = @topic.children
+    @replies = @topic.children.find(:all, :include => [:author, :attachments, {:board => :project}])
     @replies.reverse! if User.current.wants_comments_in_reverse_order?
     @reply = Message.new(:subject => "RE: #{@message.subject}")
     render :action => "show", :layout => false if request.xhr?
@@ -65,7 +65,8 @@ class MessagesController < ApplicationController
 
   # Edit a message
   def edit
-    if params[:message] && User.current.allowed_to?(:edit_messages, @project)
+    render_403 and return false unless @message.editable_by?(User.current)
+    if params[:message]
       @message.locked = params[:message]['locked']
       @message.sticky = params[:message]['sticky']
     end
@@ -78,6 +79,7 @@ class MessagesController < ApplicationController
   
   # Delete a messages
   def destroy
+    render_403 and return false unless @message.destroyable_by?(User.current)
     @message.destroy
     redirect_to @message.parent.nil? ?
       { :controller => 'boards', :action => 'show', :project_id => @project, :id => @board } :
diff --git a/app/models/message.rb b/app/models/message.rb
index f1cb2d0ba..9a313e822 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -71,6 +71,14 @@ class Message < ActiveRecord::Base
   def project
     board.project
   end
+
+  def editable_by?(usr)
+    usr && usr.logged? && (usr.allowed_to?(:edit_messages, project) || (self.author == usr && usr.allowed_to?(:edit_own_messages, project)))
+  end
+
+  def destroyable_by?(usr)
+    usr && usr.logged? && (usr.allowed_to?(:delete_messages, project) || (self.author == usr && usr.allowed_to?(:delete_own_messages, project)))
+  end
   
   private
   
diff --git a/app/views/messages/show.rhtml b/app/views/messages/show.rhtml
index 31696d56d..4143532b1 100644
--- a/app/views/messages/show.rhtml
+++ b/app/views/messages/show.rhtml
@@ -4,8 +4,8 @@
 <div class="contextual">
     <%= watcher_tag(@topic, User.current) %>
     <%= link_to_remote_if_authorized l(:button_quote), { :url => {:action => 'quote', :id => @topic} }, :class => 'icon icon-comment' %>
-    <%= link_to_if_authorized l(:button_edit), {:action => 'edit', :id => @topic}, :class => 'icon icon-edit' %>
-    <%= link_to_if_authorized l(:button_delete), {:action => 'destroy', :id => @topic}, :method => :post, :confirm => l(:text_are_you_sure), :class => 'icon icon-del' %>
+    <%= link_to(l(:button_edit), {:action => 'edit', :id => @topic}, :class => 'icon icon-edit') if @message.editable_by?(User.current) %>
+    <%= link_to(l(:button_delete), {:action => 'destroy', :id => @topic}, :method => :post, :confirm => l(:text_are_you_sure), :class => 'icon icon-del') if @message.destroyable_by?(User.current) %>
 </div>
 
 <h2><%=h @topic.subject %></h2>
@@ -25,8 +25,8 @@
   <a name="<%= "message-#{message.id}" %>"></a>
   <div class="contextual">
     <%= link_to_remote_if_authorized image_tag('comment.png'), { :url => {:action => 'quote', :id => message} }, :title => l(:button_quote) %>
-    <%= link_to_if_authorized image_tag('edit.png'), {:action => 'edit', :id => message}, :title => l(:button_edit) %>
-    <%= link_to_if_authorized image_tag('delete.png'), {:action => 'destroy', :id => message}, :method => :post, :confirm => l(:text_are_you_sure), :title => l(:button_delete) %>
+    <%= link_to(image_tag('edit.png'), {:action => 'edit', :id => message}, :title => l(:button_edit)) if message.editable_by?(User.current) %>
+    <%= link_to(image_tag('delete.png'), {:action => 'destroy', :id => message}, :method => :post, :confirm => l(:text_are_you_sure), :title => l(:button_delete)) if message.destroyable_by?(User.current) %>
   </div>
   <div class="message reply">
   <h4><%=h message.subject %> - <%= authoring message.created_on, message.author %></h4>