Purge UserTime from app/*

app/models/preference.rb

@@ -15,13 +15,13 @@ class Preference < ActiveRecord::Base
     date = nil
 
     if s.is_a?(Time)
-      date = s.in_time_zone(time_zone).to_date
+      date = s.to_date
     elsif s.is_a?(String)
       date = Date.strptime(s, date_format)
     else
       raise ArgumentError.new("Bad argument type:#{s.class}")
     end
 
-    UserTime.new(user).midnight(date)
+    date.in_time_zone(time_zone).beginning_of_day
   end
 end

app/models/project.rb

@@ -101,9 +101,8 @@ class Project < ActiveRecord::Base
   end
 
   def needs_review?(user)
-    current_time = UserTime.new(user).time
     return active? && ( last_reviewed.nil? ||
-                        (last_reviewed < current_time - user.prefs.review_period.days))
+                        (last_reviewed < Time.current - user.prefs.review_period.days))
   end
 
   def blocked?

app/models/todo.rb

@@ -264,7 +264,7 @@ class Todo < ActiveRecord::Base
       activate
     else
       # parse Date objects into the proper timezone
-      date = UserTime.new(user).midnight(date) if (date.is_a? Date)
+      date = date.in_time_zone.beginning_of_day if (date.is_a? Date)
 
       # show_from needs to be set before state_change because of "bug" in aasm.
       # If show_from is not set, the todo will not validate and thus aasm will not save

app/models/user.rb

@@ -90,7 +90,7 @@ class User < ActiveRecord::Base
                 order('show_from ASC, todos.created_at DESC')},
            :class_name => 'Todo') do
               def find_and_activate_ready
-                where('show_from <= ?', Time.zone.now).collect { |t| t.activate! }
+                where('show_from <= ?', Time.current).collect { |t| t.activate! }
               end
            end
 
@@ -160,7 +160,7 @@ class User < ActiveRecord::Base
   end
 
   def date
-    UserTime.new(self).midnight(Time.now)
+    Date.current
   end
 
   def generate_token