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Description: Tracks is a GTD(TM) web application, built with Ruby on Rails
Homepage: http://www.rousette.org.uk/projects/
Clone URL: git://github.com/bsag/tracks.git
Click here to lend your support to: tracks and make a donation at www.pledgie.com ! 
Make migration 42 more resilient: don't freak out when user has no prefs object
epall (author)
Sat Oct 04 10:41:37 -0700 2008
commit  24c2b57b4af66176b218f24394421cf4bf8b73f7
tree    f091c564b3b30a41c0ea01f1f1e77a2948b57027
parent  1118a582d7bd18c471821126c49bf8b6e000c76d
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db/migrate/042_change_dates_to_datetimes.rb 
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@@ -6,18 +6,33 @@ class ChangeDatesToDatetimes < ActiveRecord::Migration
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     change_column :recurring_todos, :end_date, :datetime
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     User.all(:include => [:todos, :recurring_todos]).each do |user|
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-      user.todos.each do |todo|
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-        todo.update_attribute(:show_from, user.at_midnight(todo.show_from)) unless todo.show_from.nil?
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-        todo.update_attribute(:due, user.at_midnight(todo.due)) unless todo.due.nil?
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-      end
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+      if user.prefs
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+        user.todos.each do |todo|
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+          todo.update_attribute(:show_from, user.at_midnight(todo.show_from)) unless todo.show_from.nil?
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+          todo.update_attribute(:due, user.at_midnight(todo.due)) unless todo.due.nil?
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+        end
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-      user.recurring_todos.each do |todo|
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-        todo.update_attribute(:start_from, user.at_midnight(todo.start_from)) unless todo.start_from.nil?
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-        todo.update_attribute(:end_date, user.at_midnight(todo.end_date)) unless todo.end_date.nil?
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-      end
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+        user.recurring_todos.each do |todo|
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+          todo.update_attribute(:start_from, user.at_midnight(todo.start_from)) unless todo.start_from.nil?
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+          todo.update_attribute(:end_date, user.at_midnight(todo.end_date)) unless todo.end_date.nil?
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+        end
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+      else # weird...no preferences for this user
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+        user.todos.each do |todo|
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+          todo.update_attribute(:show_from, at_midnight(todo.show_from)) unless todo.show_from.nil?
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+          todo.update_attribute(:due, at_midnight(todo.due)) unless todo.due.nil?
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+        end
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+
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+        user.recurring_todos.each do |todo|
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+          todo.update_attribute(:start_from, at_midnight(todo.start_from)) unless todo.start_from.nil?
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+          todo.update_attribute(:end_date, at_midnight(todo.end_date)) unless todo.end_date.nil?
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+        end
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     end
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   end
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+  def at_midnight(date)
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+    return Time.zone.local(date.year, date.month, date.day, 0, 0, 0)
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+  end
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+
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   def self.down
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     change_column :todos, :show_from, :date
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     change_column :todos, :due, :date

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