Backported r2429, r2430, r248 to r2491 and r2522 from trunk (request and controller objects added to the hooks by default.).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/0.8-stable@2558 e93f8b46-1217-0410-a6f0-8f06a7374b81

6 files changed, 183 insertions, 19 deletions

diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index d52199092..554261533 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -22,6 +22,12 @@ class Mailer < ActionMailer::Base
 
   include ActionController::UrlWriter
 
+  def self.default_url_options
+    h = Setting.host_name
+    h = h.to_s.gsub(%r{\/.*$}, '') unless Redmine::Utils.relative_url_root.blank?
+    { :host => h, :protocol => Setting.protocol }
+  end
+  
   def issue_add(issue)
     redmine_headers 'Project' => issue.project.identifier,
                     'Issue-Id' => issue.id,
@@ -198,12 +204,6 @@ class Mailer < ActionMailer::Base
     set_language_if_valid Setting.default_language
     from Setting.mail_from
     
-    # URL options
-    h = Setting.host_name
-    h = h.to_s.gsub(%r{\/.*$}, '') unless ActionController::AbstractRequest.relative_url_root.blank?
-    default_url_options[:host] = h
-    default_url_options[:protocol] = Setting.protocol
-    
     # Common headers
     headers 'X-Mailer' => 'Redmine',
             'X-Redmine-Host' => Setting.host_name,
diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index c197420da..3e176656c 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -14,6 +14,7 @@ http://www.redmine.org/
 * One click filter action in activity view
 * Clickable/linkable line #'s while browsing the repo or viewing a file
 * Links to versions on files list
+* Added request and controller objects to the hooks by default
 * Fixed: exporting an issue with attachments to PDF raises an error
 * Fixed: "too few arguments" error may occur on activerecord error translation
 * Fixed: "Default columns Displayed on the Issues list" setting is not easy to read
diff --git a/lib/redmine/hook.rb b/lib/redmine/hook.rb
index 9ee494c21..a2f57c15b 100644
--- a/lib/redmine/hook.rb
+++ b/lib/redmine/hook.rb
@@ -17,6 +17,8 @@
 
 module Redmine
   module Hook
+    include ActionController::UrlWriter
+
     @@listener_classes = []
     @@listeners = nil
     @@hook_listeners = {}
@@ -55,11 +57,12 @@ module Redmine
       # Calls a hook.
       # Returns the listeners response.
       def call_hook(hook, context={})
-        response = ''
-        hook_listeners(hook).each do |listener|
-          response << listener.send(hook, context).to_s
+        returning [] do |response|
+          hls = hook_listeners(hook)
+          if hls.any?
+            hls.each {|listener| response << listener.send(hook, context)}
+          end
         end
-        response
       end
     end
 
@@ -73,8 +76,9 @@ module Redmine
         Redmine::Hook.add_listener(child)
         super
       end
+
     end
-    
+
     # Listener class used for views hooks.
     # Listeners that inherit this class will include various helpers by default.
     class ViewListener < Listener
@@ -91,17 +95,54 @@ module Redmine
       include ActionView::Helpers::TextHelper
       include ActionController::UrlWriter
       include ApplicationHelper
+
+      # Default to creating links using only the path.  Subclasses can
+      # change this default as needed
+      def self.default_url_options
+        {:only_path => true }
+      end
+      
+      # Helper method to directly render a partial using the context:
+      # 
+      #   class MyHook < Redmine::Hook::ViewListener
+      #     render_on :view_issues_show_details_bottom, :partial => "show_more_data" 
+      #   end
+      #
+      def self.render_on(hook, options={})
+        define_method hook do |context|
+          context[:controller].send(:render_to_string, {:locals => context}.merge(options))
+        end
+      end
     end
 
-    # Helper module included in ApplicationHelper so that hooks can be called
-    # in views like this:
+    # Helper module included in ApplicationHelper and ActionControllerso that
+    # hooks can be called in views like this:
+    # 
     #   <%= call_hook(:some_hook) %>
     #   <%= call_hook(:another_hook, :foo => 'bar' %>
     # 
-    # Current project is automatically added to the call context.
+    # Or in controllers like:
+    #   call_hook(:some_hook)
+    #   call_hook(:another_hook, :foo => 'bar'
+    # 
+    # Hooks added to views will be concatenated into a string.  Hooks added to
+    # controllers will return an array of results.
+    #
+    # Several objects are automatically added to the call context:
+    # 
+    # * project => current project
+    # * request => Request instance
+    # * controller => current Controller instance
+    # 
     module Helper
       def call_hook(hook, context={})
-        Redmine::Hook.call_hook(hook, {:project => @project}.merge(context))
+        if is_a?(ActionController::Base)
+          default_context = {:controller => self, :project => @project, :request => request}
+          Redmine::Hook.call_hook(hook, default_context.merge(context))
+        else
+          default_context = {:controller => controller, :project => @project, :request => request}
+          Redmine::Hook.call_hook(hook, default_context.merge(context)).join(' ')
+        end        
       end
     end
   end
diff --git a/lib/redmine/utils.rb b/lib/redmine/utils.rb
new file mode 100644
index 000000000..02f9d3e63
--- /dev/null
+++ b/lib/redmine/utils.rb
@@ -0,0 +1,38 @@
+# 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.
+
+module Redmine
+  module Utils
+    class << self
+      # Returns the relative root url of the application
+      def relative_url_root
+        ActionController::Base.respond_to?('relative_url_root') ?
+          ActionController::Base.relative_url_root.to_s :
+          ActionController::AbstractRequest.relative_url_root.to_s
+      end
+      
+      # Sets the relative root url of the application
+      def relative_url_root=(arg)
+        if ActionController::Base.respond_to?('relative_url_root=')
+          ActionController::Base.relative_url_root=arg
+        else
+          ActionController::AbstractRequest.relative_url_root=arg
+        end
+      end
+    end
+  end
+end
diff --git a/test/unit/lib/redmine/hook_test.rb b/test/unit/lib/redmine/hook_test.rb
index 0d76374b6..9313a36c7 100644
--- a/test/unit/lib/redmine/hook_test.rb
+++ b/test/unit/lib/redmine/hook_test.rb
@@ -19,8 +19,10 @@ require File.dirname(__FILE__) + '/../../../test_helper'
 
 class Redmine::Hook::ManagerTest < Test::Unit::TestCase
 
+  fixtures :issues
+  
   # Some hooks that are manually registered in these tests
-  class TestHook < Redmine::Hook::Listener; end
+  class TestHook < Redmine::Hook::ViewListener; end
   
   class TestHook1 < TestHook
     def view_layouts_base_html_head(context)
@@ -39,10 +41,27 @@ class Redmine::Hook::ManagerTest < Test::Unit::TestCase
       "Context keys: #{context.keys.collect(&:to_s).sort.join(', ')}."
     end
   end
+  
+  class TestLinkToHook < TestHook
+    def view_layouts_base_html_head(context)
+      link_to('Issues', :controller => 'issues')
+    end
+  end
+
+  class TestHookHelperController < ActionController::Base
+    include Redmine::Hook::Helper
+  end
+  
+  class TestHookHelperView < ActionView::Base
+    include Redmine::Hook::Helper
+  end
+  
   Redmine::Hook.clear_listeners
   
   def setup
     @hook_module = Redmine::Hook
+    @hook_helper = TestHookHelperController.new
+    @view_hook_helper = TestHookHelperView.new(RAILS_ROOT + '/app/views')
   end
   
   def teardown
@@ -67,17 +86,81 @@ class Redmine::Hook::ManagerTest < Test::Unit::TestCase
   
   def test_call_hook
     @hook_module.add_listener(TestHook1)
-    assert_equal 'Test hook 1 listener.', @hook_module.call_hook(:view_layouts_base_html_head)
+    assert_equal ['Test hook 1 listener.'], @hook_helper.call_hook(:view_layouts_base_html_head)
   end
   
   def test_call_hook_with_context
     @hook_module.add_listener(TestHook3)
-    assert_equal 'Context keys: bar, foo.', @hook_module.call_hook(:view_layouts_base_html_head, :foo => 1, :bar => 'a')
+    assert_equal ['Context keys: bar, controller, foo, project, request.'],
+                 @hook_helper.call_hook(:view_layouts_base_html_head, :foo => 1, :bar => 'a')
   end
   
   def test_call_hook_with_multiple_listeners
     @hook_module.add_listener(TestHook1)
     @hook_module.add_listener(TestHook2)
-    assert_equal 'Test hook 1 listener.Test hook 2 listener.', @hook_module.call_hook(:view_layouts_base_html_head)
+    assert_equal ['Test hook 1 listener.', 'Test hook 2 listener.'], @hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+  
+  # Context: Redmine::Hook::Helper.call_hook default_url
+  def test_call_hook_default_url_options
+    @hook_module.add_listener(TestLinkToHook)
+
+    assert_equal ['<a href="/issues">Issues</a>'], @hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+
+  # Context: Redmine::Hook::Helper.call_hook
+  def test_call_hook_with_project_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /project/i, @hook_helper.call_hook(:view_layouts_base_html_head)[0]
+  end
+  
+  def test_call_hook_from_controller_with_controller_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /controller/i, @hook_helper.call_hook(:view_layouts_base_html_head)[0]
   end
+    
+  def test_call_hook_from_controller_with_request_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /request/i, @hook_helper.call_hook(:view_layouts_base_html_head)[0]
+  end
+    
+  def test_call_hook_from_view_with_project_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /project/i, @view_hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+    
+  def test_call_hook_from_view_with_controller_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /controller/i, @view_hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+    
+  def test_call_hook_from_view_with_request_added_to_context
+    @hook_module.add_listener(TestHook3)
+    assert_match /request/i, @view_hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+
+  def test_call_hook_from_view_should_join_responses_with_a_space
+    @hook_module.add_listener(TestHook1)
+    @hook_module.add_listener(TestHook2)
+    assert_equal 'Test hook 1 listener. Test hook 2 listener.',
+                 @view_hook_helper.call_hook(:view_layouts_base_html_head)
+  end
+
+  def test_call_hook_should_not_change_the_default_url_for_email_notifications
+    issue = Issue.find(1)
+ 
+    ActionMailer::Base.deliveries.clear
+    Mailer.deliver_issue_add(issue)
+    mail = ActionMailer::Base.deliveries.last
+ 
+    @hook_module.add_listener(TestLinkToHook)
+    @hook_helper.call_hook(:view_layouts_base_html_head)
+ 
+    ActionMailer::Base.deliveries.clear
+    Mailer.deliver_issue_add(issue)
+    mail2 = ActionMailer::Base.deliveries.last
+ 
+    assert_equal mail.body, mail2.body
+   end
 end
+
diff --git a/test/unit/repository_test.rb b/test/unit/repository_test.rb
index 6d4073c79..937f35439 100644
--- a/test/unit/repository_test.rb
+++ b/test/unit/repository_test.rb
@@ -67,6 +67,7 @@ class RepositoryTest < Test::Unit::TestCase
   
   def test_scan_changesets_for_issue_ids
     Setting.default_language = 'en'
+    set_language_if_valid('en')
     
     # choosing a status to apply to fix issues
     Setting.commit_fix_status_id = IssueStatus.find(:first, :conditions => ["is_closed = ?", true]).id