From 9e4a118528119c4f9aa67ae4003f95a47a43722a Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sun, 15 Feb 2009 16:43:06 +0000
Subject: [PATCH] Create a wiki with a default start page named 'Wiki' when
 enabling wiki module (#2657).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2474 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/enabled_module.rb     | 19 ++++++++++++--
 test/unit/enabled_module_test.rb | 43 ++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 test/unit/enabled_module_test.rb

diff --git a/app/models/enabled_module.rb b/app/models/enabled_module.rb
index 3c05c76c..d2aade6d 100644
--- a/app/models/enabled_module.rb
+++ b/app/models/enabled_module.rb
@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006-2007  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -20,4 +20,19 @@ class EnabledModule < ActiveRecord::Base
   
   validates_presence_of :name
   validates_uniqueness_of :name, :scope => :project_id
+  
+  after_create :module_enabled
+  
+  private
+  
+  # after_create callback used to do things when a module is enabled
+  def module_enabled
+    case name
+    when 'wiki'
+      # Create a wiki with a default start page
+      if project && project.wiki.nil?
+        Wiki.create(:project => project, :start_page => 'Wiki')
+      end
+    end
+  end
 end
diff --git a/test/unit/enabled_module_test.rb b/test/unit/enabled_module_test.rb
new file mode 100644
index 00000000..3daec434
--- /dev/null
+++ b/test/unit/enabled_module_test.rb
@@ -0,0 +1,43 @@
+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.dirname(__FILE__) + '/../test_helper'
+
+class EnabledModuleTest < Test::Unit::TestCase
+  fixtures :projects, :wikis
+  
+  def test_enabling_wiki_should_create_a_wiki
+    CustomField.delete_all
+    project = Project.create!(:name => 'Project with wiki', :identifier => 'wikiproject')
+    assert_nil project.wiki
+    project.enabled_module_names = ['wiki']
+    project.reload
+    assert_not_nil project.wiki
+    assert_equal 'Wiki', project.wiki.start_page
+  end
+  
+  def test_reenabling_wiki_should_not_create_another_wiki
+    project = Project.find(1)
+    assert_not_nil project.wiki
+    project.enabled_module_names = []
+    project.reload
+    assert_no_difference 'Wiki.count' do
+      project.enabled_module_names = ['wiki']
+    end
+    assert_not_nil project.wiki
+  end
+end