Changed the way the visibility SQL statement is built.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5140 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/user.rb

@@ -1,5 +1,5 @@
 # Redmine - project management software
-# Copyright (C) 2006-2009  Jean-Philippe Lang
+# Copyright (C) 2006-2011  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
@@ -90,6 +90,7 @@ class User < Principal
   
   def reload(*args)
     @name = nil
+    @projects_by_role = nil
     super
   end
   
@@ -361,6 +362,23 @@ class User < Principal
     !roles_for_project(project).detect {|role| role.member?}.nil?
   end
   
+  # Returns a hash of user's projects grouped by roles
+  def projects_by_role
+    return @projects_by_role if @projects_by_role
+    
+    @projects_by_role = Hash.new {|h,k| h[k]=[]}
+    memberships.each do |membership|
+      membership.roles.each do |role|
+        @projects_by_role[role] << membership.project if membership.project
+      end
+    end
+    @projects_by_role.each do |role, projects|
+      projects.uniq!
+    end
+  
+    @projects_by_role
+  end
+  
   # Return true if the user is allowed to do the specified action on a specific context
   # Action can be:
   # * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')