Initial commit

db/migrate/20200904153034_add_service_accounts_and_related_changes.rb

@@ -0,0 +1,50 @@
+class AddServiceAccountsAndRelatedChanges < ActiveRecord::Migration[5.2]
+  class APIKey < ActiveRecord::Base
+    self.table_name = :apikeys
+  end
+
+  def up
+    create_table :service_accounts do |t|
+      t.string    :uid,                 null: false
+      t.bigint    :owner_id,            null: false, unsigned: true
+      t.string    :email,               null: false
+      t.string    :role,                default: "service_account", null: false
+      t.integer   :level,               default: 0, null: false
+      t.string    :state,               default: "pending", null: false
+
+      t.timestamps
+    end
+
+    add_column :apikeys, :key_holder_account_id, :bigint, null: false, unsigned: true, after: :id
+    add_column :apikeys, :key_holder_account_type, :string, null: false, default: "User", after: :key_holder_account_id
+
+    APIKey.find_each do |api_key|
+      api_key.key_holder_account_type = 'User'
+      api_key.key_holder_account_id = api_key.user_id
+      api_key.save!
+    end
+
+    remove_column :apikeys, :user_id
+    add_index :apikeys, [:key_holder_account_type, :key_holder_account_id], name: :idx_apikey_on_account unless index_exists?(:service_accounts, [:key_holder_account_type, :key_holder_account_id])
+  end
+
+  def down
+    add_column :apikeys, :user_id, :bigint, unsigned: true, null: false, after: :key_holder_account_id
+
+    APIKey.find_each do |api_key|
+      if api_key.key_holder_account_type == 'ServiceAccount'
+        api_key.destroy!
+        next
+      end
+
+      api_key.user_id = api_key.key_holder_account_id
+      api_key.save!
+    end
+
+    remove_column :apikeys, :key_holder_account_id
+    remove_column :apikeys, :key_holder_account_type
+
+    remove_index :service_accounts, column: [:key_holder_account_type, :key_holder_account_id] if index_exists?(:service_accounts, [:key_holder_account_type, :key_holder_account_id])
+    drop_table :service_accounts
+  end
+end