Class: CreateMessageRecipients

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/has_messages/templates/002_create_message_recipients.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/has_messages/templates/002_create_message_recipients.rb', line 15

def self.down
  drop_table :message_recipients
end

.up ⇒ Object 



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# File 'lib/generators/has_messages/templates/002_create_message_recipients.rb', line 2

def self.up
  create_table :message_recipients do |t|
    t.references :message, :null => false
    t.references :receiver, :polymorphic => true, :null => false
    t.string :kind, :null => false, :length => 20
    t.integer :position
    t.string :state, :null => false, :length => 10
    t.datetime :hidden_at
  end
  add_index :message_recipients, [:receiver_type, :receiver_id]
  add_index :message_recipients, [:message_id, :kind, :position], :unique => true
end