Activity refactoring.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1701 e93f8b46-1217-0410-a6f0-8f06a7374b81

3 files changed, 144 insertions, 0 deletions

diff --git a/lib/redmine.rb b/lib/redmine.rb
index 22b60e949..bd413c96c 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -1,5 +1,6 @@
 require 'redmine/access_control'
 require 'redmine/menu_manager'
+require 'redmine/activity'
 require 'redmine/mime_type'
 require 'redmine/core_ext'
 require 'redmine/themes'
@@ -132,3 +133,13 @@ Redmine::MenuManager.map :project_menu do |menu|
               :if => Proc.new { |p| p.repository && !p.repository.new_record? }
   menu.push :settings, { :controller => 'projects', :action => 'settings' }, :last => true
 end
+
+Redmine::Activity.map do |activity|
+  activity.register :issues, :class_name => %w(Issue Journal)
+  activity.register :changesets
+  activity.register :news
+  activity.register :documents, :class_name => %w(Document Attachment)
+  activity.register :files, :class_name => 'Attachment'
+  activity.register :wiki_pages, :class_name => 'WikiContent::Version', :default => false
+  activity.register :messages, :default => false
+end
diff --git a/lib/redmine/activity.rb b/lib/redmine/activity.rb
new file mode 100644
index 000000000..144ce95ed
--- /dev/null
+++ b/lib/redmine/activity.rb
@@ -0,0 +1,54 @@
+# Redmine - project management software
+# Copyright (C) 2006-2008  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 Activity
+  
+    mattr_accessor :available_event_types, :default_event_types, :providers
+    
+    @@available_event_types = []
+    @@default_event_types = []
+    @@providers = Hash.new {|h,k| h[k]=[] }
+
+    class << self
+      def map(&block)
+        yield self
+      end
+      
+      # Registers an activity provider
+      # 
+      # Options:
+      # * :class_name - one or more model(s) that provide these events (inferred from event_type by default)
+      # * :default - setting this option to false will make the events not displayed by default
+      # 
+      # Examples:
+      #   register :issues
+      #   register :myevents, :class_name => 'Meeting'
+      def register(event_type, options={})
+        options.assert_valid_keys(:class_name, :default)
+        
+        event_type = event_type.to_s
+        providers = options[:class_name] || event_type.classify
+        providers = ([] << providers) unless providers.is_a?(Array)
+        
+        @@available_event_types << event_type unless @@available_event_types.include?(event_type)
+        @@default_event_types << event_type unless options[:default] == false
+        @@providers[event_type] += providers
+      end
+    end
+  end
+end
diff --git a/lib/redmine/activity/fetcher.rb b/lib/redmine/activity/fetcher.rb
new file mode 100644
index 000000000..adaead564
--- /dev/null
+++ b/lib/redmine/activity/fetcher.rb
@@ -0,0 +1,79 @@
+# Redmine - project management software
+# Copyright (C) 2006-2008  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 Activity
+    # Class used to retrieve activity events
+    class Fetcher
+      attr_reader :user, :project, :scope
+      
+      # Needs to be unloaded in development mode
+      @@constantized_providers = Hash.new {|h,k| h[k] = Redmine::Activity.providers[k].collect {|t| t.constantize } }
+      
+      def initialize(user, options={})
+        options.assert_valid_keys(:project, :with_subprojects)
+        @user = user
+        @project = options[:project]
+        @options = options
+        
+        @scope = event_types
+      end
+      
+      # Returns an array of available event types
+      def event_types
+        return @event_types unless @event_types.nil?
+        
+        @event_types = Redmine::Activity.available_event_types
+        @event_types = @event_types.select {|o| @user.allowed_to?("view_#{o}".to_sym, @project)} if @project
+        @event_types
+      end
+      
+      # Yields to filter the activity scope
+      def scope_select(&block)
+        @scope = @scope.select {|t| yield t }
+      end
+      
+      # Sets the scope
+      def scope=(s)
+        @scope = s & event_types
+      end
+      
+      # Resets the scope to the default scope
+      def default_scope!
+        @scope = Redmine::Activity.default_event_types
+      end
+      
+      # Returns an array of events for the given date range
+      def events(from, to)
+        e = []
+        
+        @scope.each do |event_type|
+          constantized_providers(event_type).each do |provider|
+            e += provider.find_events(event_type, @user, from, to, @options)
+          end
+        end
+        e
+      end
+      
+      private
+      
+      def constantized_providers(event_type)
+        @@constantized_providers[event_type]
+      end
+    end
+  end
+end