renaming generator to singular

generators/freemium_migration/USAGE

@@ -0,0 +1 @@
+./script/generate freemium_migrations

generators/freemium_migration/freemium_migrations_generator.rb

@@ -0,0 +1,13 @@
+class FreemiumMigrationsGenerator < Rails::Generator::NamedBase
+  def initialize(runtime_args, runtime_options = {})
+    runtime_args.insert(0, 'migrations')
+    super
+  end
+
+  def manifest
+    record do |m|
+      m.class_collisions "Subscription", "SubscriptionPlan"
+      m.migration_template "migration.erb", "db/migrate", :migration_file_name => "create_subscription_and_plan"
+    end
+  end
+end

generators/freemium_migration/templates/migration.erb

@@ -0,0 +1,28 @@
+class <%= migration_name %> < ActiveRecord::Migration
+  def self.up
+    create_table :subscription_plans, :force => true do |t|
+      t.column :name, :string, :null => false
+      t.column :rate_cents, :integer, :null => false
+      t.column :yearly, :boolean, :null => false
+    end
+
+    create_table :subscriptions, :force => true do |t|
+      t.column :subscribable_id, :integer, :null => false
+      t.column :subscribable_type, :string, :null => false
+      t.column :subscription_plan_id, :integer, :null => false
+      t.column :paid_through, :date, :null => false
+      t.column :expire_on, :date, :null => true
+      t.column :billing_key, :string, :null => true
+      t.column :last_transaction_at, :datetime, :null => true
+    end
+
+    add_index :subscriptions, :account_id
+    add_index :subscriptions, :account_type
+    add_index :subscriptions, :paid_through
+  end
+
+  def self.down
+    drop_table :subscription_plans
+    drop_table :subscriptions
+  end
+end