Ability to edit a wiki page's parent on the edit page (#6449).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8787 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -123,6 +123,7 @@ class WikiController < ApplicationController
   def update
     return render_403 unless editable?
     @page.content = WikiContent.new(:page => @page) if @page.new_record?
+    @page.safe_attributes = params[:wiki_page]
 
     @content = @page.content_for_version(params[:version])
     @content.text = initial_page_content(@page) if @content.text.blank?
@@ -132,11 +133,12 @@ class WikiController < ApplicationController
     if !@page.new_record? && params[:content].present? && @content.text == params[:content][:text]
       attachments = Attachment.attach_files(@page, params[:attachments])
       render_attachment_warning_if_needed(@page)
-      # don't save if text wasn't changed
+      # don't save content if text wasn't changed
+      @page.save
       redirect_to :action => 'show', :project_id => @project, :id => @page.title
       return
     end
-    
+
     @content.comments = params[:content][:comments]
     @text = params[:content][:text]
     if params[:section].present? && Redmine::WikiFormatting.supports_section_edit?
@@ -148,11 +150,8 @@ class WikiController < ApplicationController
       @content.text = @text
     end
     @content.author = User.current
-    if @page.new_record? && params[:page]
-      @page.parent_id = params[:page][:parent_id]
-    end
-    # if page is new @page.save will also save content, but not if page isn't a new record
-    if (@page.new_record? ? @page.save : @content.save)
+    @page.content = @content
+    if @page.save
       attachments = Attachment.attach_files(@page, params[:attachments])
       render_attachment_warning_if_needed(@page)
       call_hook(:controller_wiki_edit_after_save, { :params => params, :page => @page})

app/models/wiki_page.rb

@@ -19,6 +19,8 @@ require 'diff'
 require 'enumerator'
 
 class WikiPage < ActiveRecord::Base
+  include Redmine::SafeAttributes
+
   belongs_to :wiki
   has_one :content, :class_name => 'WikiContent', :foreign_key => 'page_id', :dependent => :destroy
   acts_as_attachable :delete_permission => :delete_wiki_pages_attachments
@@ -55,6 +57,9 @@ class WikiPage < ActiveRecord::Base
   # Wiki pages that are protected by default
   DEFAULT_PROTECTED_PAGES = %w(sidebar)
 
+  safe_attributes 'parent_id',
+    :if => lambda {|page, user| page.new_record? || user.allowed_to?(:rename_wiki_pages, page.project)}
+
   def initialize(attributes=nil, *args)
     super
     if new_record? && DEFAULT_PROTECTED_PAGES.include?(title.to_s.downcase)

app/views/wiki/edit.html.erb

@@ -13,8 +13,13 @@
 <div class="box tabular">
 <%= text_area_tag 'content[text]', @text, :cols => 100, :rows => 25, :class => 'wiki-edit', :accesskey => accesskey(:edit) %>
 
-<% if @page.new_record? && @page.parent %>
-<p><label><%= check_box_tag 'page[parent_id]', @page.parent.id, true %> <%= l(:field_parent_title) %></label> <%=h @page.parent.pretty_title %></p>
+<% if @page.safe_attribute_names.include?('parent_id') && @wiki.pages.any? %>
+  <% fields_for @page do |fp| %>
+    <p>
+    	<label><%= l(:field_parent_title) %></label>
+		  <%= fp.select :parent_id, "<option value=''></option>" + wiki_page_options_for_select(@wiki.pages.all(:include => :parent) - @page.self_and_descendants, @page.parent) %>
+		</p>
+  <% end %>
 <% end %>
 
 <p><label><%= l(:field_comments) %></label><%= f.text_field :comments, :size => 120 %></p>

test/functional/wiki_controller_test.rb

@@ -124,15 +124,15 @@ class WikiControllerTest < ActionController::TestCase
     get :show, :project_id => 1, :id => 'Unexistent page'
     assert_response :success
     assert_template 'edit'
-    assert_no_tag 'input', :attributes => {:name => 'page[parent_id]'}
   end
 
-  def test_show_unexistent_page_with_parent
+  def test_show_unexistent_page_with_parent_should_preselect_parent
     @request.session[:user_id] = 2
     get :show, :project_id => 1, :id => 'Unexistent page', :parent => 'Another_page'
     assert_response :success
     assert_template 'edit'
-    assert_tag 'input', :attributes => {:name => 'page[parent_id]', :value => '2'}
+    assert_tag 'select', :attributes => {:name => 'wiki_page[parent_id]'},
+      :child => {:tag => 'option', :attributes => {:value => '2', :selected => 'selected'}}
   end
 
   def test_show_should_not_show_history_without_permission
@@ -183,7 +183,7 @@ class WikiControllerTest < ActionController::TestCase
     assert_difference 'WikiPage.count' do
       put :update, :project_id => 1, :id => 'New page',
         :content => {:text => "h1. New page\n\nThis is a new page", :version => 0},
-        :page => {:parent_id => 2}
+        :wiki_page => {:parent_id => 2}
     end
     page = Project.find(1).wiki.find_page('New page')
     assert_equal WikiPage.find(2), page.parent
@@ -250,6 +250,31 @@ class WikiControllerTest < ActionController::TestCase
     assert_equal "my comments", page.content.comments
   end
 
+  def test_update_page_with_parent
+    @request.session[:user_id] = 2
+    assert_no_difference 'WikiPage.count' do
+      assert_no_difference 'WikiContent.count' do
+        assert_difference 'WikiContent::Version.count' do
+          put :update, :project_id => 1,
+            :id => 'Another_page',
+            :content => {
+              :comments => "my comments",
+              :text => "edited",
+              :version => 1
+            },
+            :wiki_page => {:parent_id => '1'}
+        end
+      end
+    end
+    assert_redirected_to '/projects/ecookbook/wiki/Another_page'
+
+    page = Wiki.find(1).pages.find_by_title('Another_page')
+    assert_equal "edited", page.content.text
+    assert_equal 2, page.content.version
+    assert_equal "my comments", page.content.comments
+    assert_equal WikiPage.find(1), page.parent
+  end
+
   def test_update_page_with_failure
     @request.session[:user_id] = 2
     assert_no_difference 'WikiPage.count' do
@@ -273,6 +298,27 @@ class WikiControllerTest < ActionController::TestCase
     assert_tag :tag => 'input', :attributes => {:id => 'content_version', :value => '1'}
   end
 
+  def test_update_page_with_parent_change_only_should_not_create_content_version
+    @request.session[:user_id] = 2
+    assert_no_difference 'WikiPage.count' do
+      assert_no_difference 'WikiContent.count' do
+        assert_no_difference 'WikiContent::Version.count' do
+          put :update, :project_id => 1,
+            :id => 'Another_page',
+            :content => {
+              :comments => '',
+              :text => Wiki.find(1).find_page('Another_page').content.text,
+              :version => 1
+            },
+            :wiki_page => {:parent_id => '1'}
+        end
+      end
+    end
+    page = Wiki.find(1).pages.find_by_title('Another_page')
+    assert_equal 1, page.content.version
+    assert_equal WikiPage.find(1), page.parent
+  end
+
   def test_update_page_with_attachments_only_should_not_create_content_version
     @request.session[:user_id] = 2
     assert_no_difference 'WikiPage.count' do
@@ -291,6 +337,8 @@ class WikiControllerTest < ActionController::TestCase
         end
       end
     end
+    page = Wiki.find(1).pages.find_by_title('Another_page')
+    assert_equal 1, page.content.version
   end
 
   def test_update_stale_page_should_not_raise_an_error