a previous commit introduced a bug where hiding a project did not hide the todos in it. Fixes #832

app/controllers/projects_controller.rb

@@ -106,9 +106,9 @@ class ProjectsController < ApplicationController
   def update
     params['project'] ||= {}
     if params['project']['state']
-      @state_changed = @project.state != params['project']['state']
+      @new_state = params['project']['state']
+      @state_changed = @project.state != @new_state
       logger.info "@state_changed: #{@project.state} == #{params['project']['state']} != #{@state_changed}"
-      @project.transition_to(params['project']['state'])
       params['project'].delete('state')
     end
     success_text = if params['field'] == 'name' && params['value']
@@ -117,6 +117,7 @@ class ProjectsController < ApplicationController
     end
     @project.attributes = params['project']
     if @project.save
+      @project.transition_to(@new_state) if @state_changed
       if boolean_param('wants_render')
         if (@project.hidden?)
           @project_project_hidden_todo_counts = Hash.new

app/controllers/todos_controller.rb

@@ -65,6 +65,7 @@ class TodosController < ApplicationController
       @todo.context_id = context.id
     end
 
+    @todo.update_state_from_project
     @saved = @todo.save
     unless (@saved == false) || p.tag_list.blank?
       @todo.tag_with(p.tag_list)
@@ -257,7 +258,10 @@ class TodosController < ApplicationController
     end
     
     @project_changed = @original_item_project_id != @todo.project_id
-    if (@project_changed && !@original_item_project_id.nil?) then @remaining_undone_in_project = current_user.projects.find(@original_item_project_id).not_done_todo_count; end
+    if (@project_changed && !@original_item_project_id.nil?) then
+      @todo.update_state_from_project
+      @remaining_undone_in_project = current_user.projects.find(@original_item_project_id).not_done_todo_count
+    end
     determine_down_count
     respond_to do |format|
       format.js

app/models/todo.rb

@@ -57,8 +57,6 @@ class Todo < ActiveRecord::Base
     end
   end
 
-  before_validation :update_state_from_project
-   
   def update_state_from_project
     if state == 'project_hidden' and !project.hidden?
       self.state = 'active'

spec/models/todo_spec.rb

@@ -136,31 +136,6 @@ describe Todo do
     end
   end
 
-  describe 'when update_state_from_project is called' do
-    it "should unhide when project is active" do
-      project = mock_model(Project, :hidden? => false)
-      todo = Todo.new(:state => 'project_hidden', :project => project)
-      todo.should be_project_hidden
-      todo.save
-      todo.should be_active
-    end
-
-    it "should unhide when project is null" do
-      todo = Todo.new(:state => 'project_hidden', :project => nil)
-      todo.should be_project_hidden
-      todo.save
-      todo.should be_active
-    end
-
-    it "should hide when project is hidden" do
-      project = mock_model(Project, :hidden? => true)
-      todo = Todo.new(:state => 'active', :project => project)
-      todo.should be_active
-      todo.save
-      todo.should be_project_hidden
-    end
-  end
-
   describe 'when toggling completion' do
     it 'toggles to active when completed' do
       todo = create_todo

test/functional/todos_controller_test.rb

@@ -505,4 +505,20 @@ class TodosControllerTest < Test::Rails::TestCase
     assert next_todo.due > @todo.due
   end
 
+  def test_removing_hidden_project_activates_todo
+    login_as(:admin_user)
+
+    # get a project and hide it, todos in the project should be hidden
+    p = projects(:timemachine)
+    p.hide!
+    assert p.reload().hidden?
+    todo = p.todos.first
+    assert "project_hidden", todo.state
+
+    # clear project from todo: the todo should be unhidden
+    xhr :post, :update, :id => 1, :_source_view => 'todo', "project_name"=>"None", "todo"=>{}
+    todo.reload()
+    assert "active", todo.state
+  end
+
 end