Added a generator to create the amazon_products database migration

README

@@ -6,15 +6,10 @@ existing model.
 == Setup
 
 This code does not require changing any current database tables.  It only requires 
-adding one migration for a single new table used to cache responses from Amazon:
-
-	ActiveRecord::Base.connection.create_table :amazon_products do |t|
-	  t.column :asin, :string
-	  t.column :xml, :text
-	  t.column :created_at, :datetime, :null => false
-	  t.column :amazonable_id, :integer, :default => 0, :null => false
-	  t.column :amazonable_type, :string, :limit => 15, :default => "", :null => false
-	end
+adding one migration for a single new table used to cache responses from Amazon.
+Run the following to create the migration:
+
+  script/generate acts_as_amazon_product_migration
 
 == Using acts_as_amazon_product
 

generators/acts_as_amazon_product_migration/acts_as_amazon_product_migration_generator.rb

@@ -0,0 +1,11 @@
+class ActsAsAmazonProductMigrationGenerator < Rails::Generator::Base 
+  def manifest 
+    record do |m| 
+      m.migration_template 'migration.rb', 'db/migrate'
+    end 
+  end
+
+  def file_name
+    "acts_as_amazon_product_migration"
+  end
+end

generators/acts_as_amazon_product_migration/templates/migration.rb

@@ -0,0 +1,16 @@
+class ActsAsAmazonProductMigration < ActiveRecord::Migration
+  def self.up
+    create_table :amazon_products do |t|
+  	  t.string  :asin
+  	  t.text    :xml
+  	  t.integer :amazonable_id, :default => 0, :null => false
+  	  t.string  :amazonable_type, :limit => 15, :default => "", :null => false
+
+  	  t.timestamps
+  	end
+  end
+
+  def self.down
+    drop_table :amazon_products
+  end
+end