openstreetmap-website/db/migrate/046_alter_user_roles_and_blocks.rb
2020-12-30 20:30:21 +00:00

30 lines
1.2 KiB
Ruby

class AlterUserRolesAndBlocks < ActiveRecord::Migration[4.2]
class UserRole < ApplicationRecord
end
def self.up
# the initial granter IDs can be "self" - there are none of these
# in the current live DB, but there may be some in people's own local
# copies.
add_column :user_roles, :granter_id, :bigint
UserRole.update_all("granter_id = user_id")
change_column :user_roles, :granter_id, :bigint, :null => false
add_foreign_key :user_roles, :users, :column => :granter_id, :name => "user_roles_granter_id_fkey"
# make sure that [user_id, role] is unique
add_index :user_roles, [:user_id, :role], :name => "user_roles_id_role_unique", :unique => true
# change the user_blocks to have a creator_id rather than moderator_id
rename_column :user_blocks, :moderator_id, :creator_id
# change the "end_at" column to the more grammatically correct "ends_at"
rename_column :user_blocks, :end_at, :ends_at
end
def self.down
rename_column :user_blocks, :ends_at, :end_at
rename_column :user_blocks, :creator_id, :moderator_id
remove_index :user_roles, :name => "user_roles_id_role_unique"
remove_column :user_roles, :granter_id
end
end