fixed: non public projects were shown on welcome screen even if current user is not a member

git-svn-id: http://redmine.rubyforge.org/svn/trunk@129 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/welcome_controller.rb

@@ -19,7 +19,7 @@ class WelcomeController < ApplicationController
   layout 'base'
 
   def index
-    @news = News.latest
-    @projects = Project.latest
+    @news = News.latest logged_in_user
+    @projects = Project.latest logged_in_user
   end
 end

app/models/news.rb

@@ -22,8 +22,8 @@ class News < ActiveRecord::Base
   
   validates_presence_of :title, :description
   
-  # returns last created news
-  def self.latest
-    find(:all, :limit => 5, :include => [ :author, :project ], :order => "news.created_on DESC")	
+  # returns latest news for projects visible by user
+  def self.latest(user=nil, count=5)
+    find(:all, :limit => count, :conditions => Project.visible_by(user), :include => [ :author, :project ], :order => "news.created_on DESC")	
   end
 end

app/models/project.rb

@@ -35,9 +35,18 @@ class Project < ActiveRecord::Base
   validates_associated :repository
   validates_format_of :name, :with => /^[\w\s\'\-]*$/i
 
-  # returns 5 last created projects
-  def self.latest
-    find(:all, :limit => 5, :order => "created_on DESC")	
+  # returns latest created projects
+  # non public projects will be returned only if user is a member of those
+  def self.latest(user=nil, count=5)
+    find(:all, :limit => count, :conditions => visible_by(user), :order => "projects.created_on DESC")	
+  end	
+
+  def self.visible_by(user=nil)
+    if user && !user.memberships.empty?
+      return ["projects.is_public = ? or projects.id IN (#{user.memberships.collect{|m| m.project_id}.join(',')})", true]
+    else
+      return ["projects.is_public = ?", true]
+    end
   end
   
   # Returns an array of all custom fields enabled for project issues