Fixed: Project copy loses wiki pages hierarchy (#4797).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3412 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/project.rb

@@ -512,11 +512,23 @@ class Project < ActiveRecord::Base
     unless project.wiki.nil?
       self.wiki ||= Wiki.new
       wiki.attributes = project.wiki.attributes.dup.except("id", "project_id")
+      wiki_pages_map = {}
       project.wiki.pages.each do |page|
+        # Skip pages without content
+        next if page.content.nil?
         new_wiki_content = WikiContent.new(page.content.attributes.dup.except("id", "page_id", "updated_on"))
         new_wiki_page = WikiPage.new(page.attributes.dup.except("id", "wiki_id", "created_on", "parent_id"))
         new_wiki_page.content = new_wiki_content
         wiki.pages << new_wiki_page
+        wiki_pages_map[page.id] = new_wiki_page
+      end
+      wiki.save
+      # Reproduce page hierarchy
+      project.wiki.pages.each do |page|
+        if page.parent_id && wiki_pages_map[page.id]
+          wiki_pages_map[page.id].parent = wiki_pages_map[page.parent_id]
+          wiki_pages_map[page.id].save
+        end
       end
     end
   end

test/fixtures/wiki_contents.yml

@@ -71,4 +71,28 @@ wiki_contents_006:
   version: 1
   author_id: 1
   comments: 
+wiki_contents_007: 
+  text: This is a child page
+  updated_on: 2007-03-08 00:18:07 +01:00
+  page_id: 7
+  id: 7
+  version: 1
+  author_id: 1
+  comments: 
+wiki_contents_008: 
+  text: This is a parent page
+  updated_on: 2007-03-08 00:18:07 +01:00
+  page_id: 8
+  id: 8
+  version: 1
+  author_id: 1
+  comments: 
+wiki_contents_009: 
+  text: This is a child page
+  updated_on: 2007-03-08 00:18:07 +01:00
+  page_id: 9
+  id: 9
+  version: 1
+  author_id: 1
+  comments: 
   

test/fixtures/wiki_pages.yml

@@ -41,4 +41,25 @@ wiki_pages_006:
   wiki_id: 1
   protected: false
   parent_id: 2
+wiki_pages_007: 
+  created_on: 2007-03-08 00:18:07 +01:00
+  title: Child_page_1
+  id: 7
+  wiki_id: 2
+  protected: false
+  parent_id: 8
+wiki_pages_008: 
+  created_on: 2007-03-08 00:18:07 +01:00
+  title: Parent_page
+  id: 8
+  wiki_id: 2
+  protected: false
+  parent_id: 
+wiki_pages_009: 
+  created_on: 2007-03-08 00:18:07 +01:00
+  title: Child_page_2
+  id: 9
+  wiki_id: 2
+  protected: false
+  parent_id: 8
   

test/unit/project_test.rb

@@ -723,16 +723,24 @@ class ProjectTest < ActiveSupport::TestCase
       assert_equal "Start page", @project.wiki.start_page
     end
 
-    should "copy wiki pages and content" do
+    should "copy wiki pages and content with hierarchy" do
+      assert_difference 'WikiPage.count', @source_project.wiki.pages.size do
         assert @project.copy(@source_project)
+      end
       
       assert @project.wiki
-      assert_equal 1, @project.wiki.pages.length
+      assert_equal @source_project.wiki.pages.size, @project.wiki.pages.size
 
       @project.wiki.pages.each do |wiki_page|
         assert wiki_page.content
         assert !@source_project.wiki.pages.include?(wiki_page)
       end
+      
+      parent = @project.wiki.find_page('Parent_page')
+      child1 = @project.wiki.find_page('Child_page_1')
+      child2 = @project.wiki.find_page('Child_page_2')
+      assert_equal parent, child1.parent
+      assert_equal parent, child2.parent
     end
 
     should "copy issue categories" do