modify delete project and user and define a course is a public

app/controllers/projects_controller.rb

@@ -780,7 +780,7 @@ class ProjectsController < ApplicationController
         project_status = ProjectStatus.find_by_project_id(@project.id)
         project_status.destroy
       elsif params[:project][:is_public] == '1'
-        project_status = ProjectStatus.create(:project_id => @project.id, :watchers_count => 0, :changesets_count => 0)
+        project_status = ProjectStatus.create(:project_id => @project.id, :watchers_count => 0, :changesets_count => 0,  :project_type => 1)
       end
       
       respond_to do |format|

app/models/user.rb

@@ -84,12 +84,9 @@ class User < Principal
   has_many :new_jours, :as => :jour, :class_name => 'JournalsForMessage', :conditions => "status=1"
   has_many :journal_replies, :dependent => :destroy
   has_many :activities, :dependent => :destroy
-  has_many :students_for_courses, :dependent => :destroy
+  has_many :students_for_courses
   has_many :courses, :through => :students_for_courses, :source => :project
   has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
-  has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
-  has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
-  has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
   #####
 
 ######added by nie