Profile models

The profiles in Sano are built out of two models:

  • User
  • OpenId

The reason to have an OpenId model and not just one field in the User model is that I like giving users the possibility of defining more than one OpenId provider. StackOverflow does that and since I use my own OpenId server, the day it was down, I was really grateful I could still use my myOpenId account to log in.

So I created the two models:

./script/generate model user name:string email:string height:float gender:boolean birthday:date
./script/generate model open_id user_id:integer identifier:string display_identifier:string

and then I used Matthew Higgins’s foreigner to define the foreign keys. The end result follows.

Migration for users:

class CreateUsers < ActiveRecord::Migration
  def self.up
    create_table :users do |t|
      t.string :name
      t.string :email
      t.float :height
      t.boolean :gender
      t.date :birthday
      t.timestamps
    end
  end

  def self.down
    drop_table :users
  end
end

Migration for OpenIds:

class CreateOpenIds < ActiveRecord::Migration
  def self.up
    create_table :open_ids do |t|
      t.integer :user_id, :null => false
      t.string :identifier, :null => false
      t.string :display_identifier
      t.timestamps
      t.foreign_key :users
    end

    add_index :open_ids, :identifier, :unique => true
  end

  def self.down
    drop_table :open_ids
  end
end

Both models:

class User < ActiveRecord::Base
  has_many :open_ids
end

class OpenId < ActiveRecord::Base
  belongs_to :user
end

A thousand more words:

sano-002

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