Change the TimelogController's to/from dates based on the project time entries

Instead of looking for the earliest and latest time entry system wide for the
dates in the form, now TimelogController will only look at the time entries
for the current project (and parent/sub projects).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4087 e93f8b46-1217-0410-a6f0-8f06a7374b81

2 files changed, 21 insertions, 4 deletions

diff --git a/app/models/project.rb b/app/models/project.rb
index 40898a34e..4b0236b37 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -493,6 +493,15 @@ class Project < ActiveRecord::Base
       enabled_modules.clear
     end
   end
+
+  # Returns an array of projects that are in this project's hierarchy
+  #
+  # Example: parents, children, siblings
+  def hierarchy
+    parents = project.self_and_ancestors || []
+    descendants = project.descendants || []
+    project_hierarchy = parents | descendants # Set union
+  end
   
   # Returns an auto-generated project identifier based on the last identifier used
   def self.next_identifier
diff --git a/app/models/time_entry.rb b/app/models/time_entry.rb
index 56801a4ca..9bf970891 100644
--- a/app/models/time_entry.rb
+++ b/app/models/time_entry.rb
@@ -82,11 +82,19 @@ class TimeEntry < ActiveRecord::Base
     end
   end
 
-  def self.earilest_date_for_project
-    TimeEntry.minimum(:spent_on, :include => :project, :conditions => Project.allowed_to_condition(User.current, :view_time_entries))
+  def self.earilest_date_for_project(project=nil)
+    finder_conditions = ARCondition.new(Project.allowed_to_condition(User.current, :view_time_entries))
+    if project
+      finder_conditions << ["project_id IN (?)", project.hierarchy.collect(&:id)]
+    end
+    TimeEntry.minimum(:spent_on, :include => :project, :conditions => finder_conditions.conditions)
   end
 
-  def self.latest_date_for_project
-    TimeEntry.maximum(:spent_on, :include => :project, :conditions => Project.allowed_to_condition(User.current, :view_time_entries))
+  def self.latest_date_for_project(project=nil)
+    finder_conditions = ARCondition.new(Project.allowed_to_condition(User.current, :view_time_entries))
+    if project
+      finder_conditions << ["project_id IN (?)", project.hierarchy.collect(&:id)]
+    end
+    TimeEntry.maximum(:spent_on, :include => :project, :conditions => finder_conditions.conditions)
   end
 end