Support for per-user API keys

db/migrate/20131022151218_create_api_keys.rb

@@ -0,0 +1,16 @@
+class CreateApiKeys < ActiveRecord::Migration
+  def change
+    create_table :api_keys do |t|
+      t.string :key, limit: 64, null: false
+      t.integer :user_id, null: true
+      t.integer :created_by_id
+      t.timestamps
+    end
+
+    add_index :api_keys, :key
+    add_index :api_keys, :user_id, unique: true
+
+    execute "INSERT INTO api_keys (key, created_at, updated_at) SELECT value, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP FROM site_settings WHERE name = 'api_key'"
+    execute "DELETE FROM site_settings WHERE name = 'api_key'"
+  end
+end