Added per user custom queries.

Any logged in user can now save queries (they are not visible to the other users).
Only users with explicit permission can manage queries that are visible to anyone.
The queries list is removed from the "Reports" view. It can now be accessed from the issues list.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@566 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/query.rb

@@ -57,7 +57,6 @@ class Query < ActiveRecord::Base
   def initialize(attributes = nil)
     super attributes
     self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
-    self.is_public = true
   end
   
   def executed_by=(user)
@@ -75,6 +74,12 @@ class Query < ActiveRecord::Base
     end if filters
   end
   
+  def editable_by?(user)
+    return false unless user
+    return true if !is_public && self.user_id == user.id
+    is_public && user.authorized_to(project, "projects/add_query")
+  end
+  
   def available_filters
     return @available_filters if @available_filters
     @available_filters = { "status_id" => { :type => :list_status, :order => 1, :values => IssueStatus.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] } },       

app/models/user.rb

@@ -125,10 +125,17 @@ class User < ActiveRecord::Base
   end
   
   def role_for_project(project)
+    return nil unless project
     member = memberships.detect {|m| m.project_id == project.id}
     member ? member.role : nil 
   end
   
+  def authorized_to(project, action)
+    return true if self.admin?
+    role = role_for_project(project)
+    role && Permission.allowed_to_role(action, role)
+  end
+  
   def pref
     self.preference ||= UserPreference.new(:user => self)
   end