Migrating rewards to habits

db/migrate/20120211054432_merge_rewards_into_habits.rb

@@ -0,0 +1,35 @@
+class MergeRewardsIntoHabits < ActiveRecord::Migration
+  def up
+    Reward.all.each do |reward|
+      Habit.create!({
+        :user_id=>reward.user_id,
+        :name=>reward.name, 
+        :score=>reward.value, 
+        :habit_type=>4, 
+        :up=>false,
+        :position=>Habit.maximum('position')+1
+        })
+    end
+    drop_table :rewards
+  end
+
+  def down
+    create_table :rewards do |t|
+      t.string :name
+      t.integer :value, :default=>20
+      t.integer :position, :default=>0
+      t.references :user
+      t.timestamps
+    end
+    
+    Habit.where(:habit_type=>4).each do |reward|
+      Reward.create!({
+        :user_id=>reward.user_id,
+        :name=>reward.name, 
+        :value=>reward.score, 
+        :position=>Habit.maximum('position')+1
+      })
+      
+    end
+  end
+end