Added issues status changes on the activity view (initial patch by Cyril Mougel).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@892 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/journal.rb

@@ -29,12 +29,19 @@ class Journal < ActiveRecord::Base
                      :project_key => "#{Issue.table_name}.project_id",
                      :date_column => "#{Issue.table_name}.created_on"
   
-  acts_as_event :title => Proc.new {|o| "#{o.issue.tracker.name} ##{o.issue.id}: #{o.issue.subject}"},
+  acts_as_event :title => Proc.new {|o| "#{o.issue.tracker.name} ##{o.issue.id}: #{o.issue.subject}" + ((s = o.new_status) ? " (#{s})" : '') },
                 :description => :notes,
+                :author => :user,
                 :url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.issue.id}}
 
   def save
     # Do not save an empty journal
     (details.empty? && notes.blank?) ? false : super
   end
+  
+  # Returns the new status if the journal contains a status change, otherwise nil
+  def new_status
+    c = details.detect {|detail| detail.prop_key == 'status_id'}
+    (c && c.value) ? IssueStatus.find_by_id(c.value.to_i) : nil
+  end
 end

app/models/project.rb

@@ -75,7 +75,17 @@ class Project < ActiveRecord::Base
       yield
     end 
   end
-  
+
+  # Return all issues status changes for the project between the 2 given dates
+  def issues_status_changes(from, to)
+    Journal.find(:all, :include => [:issue, :details, :user],
+                       :conditions => ["#{Journal.table_name}.journalized_type = 'Issue'" +
+                                       " AND #{Issue.table_name}.project_id = ?" +
+                                       " AND #{JournalDetail.table_name}.prop_key = 'status_id'" +
+                                       " AND #{Journal.table_name}.created_on BETWEEN ? AND ?",
+                                       id, from, to+1])
+  end
+
   # returns latest created projects
   # non public projects will be returned only if user is a member of those
   def self.latest(user=nil, count=5)