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# frozen_string_literal: true
module Gitlab
module Auth
class OmniauthIdentityLinkerBase
attr_reader :current_user, :oauth, :session
def initialize(current_user, oauth, session = {})
@current_user = current_user
@oauth = oauth
@changed = false
@session = session
end
def link
save if unlinked?
end
def changed?
@changed
end
def failed?
error_message.present?
end
def error_message
identity.validate
identity.errors.full_messages.join(', ')
end
private
def save
@changed = identity.save
end
def unlinked?
identity.new_record?
end
# rubocop: disable CodeReuse/ActiveRecord
def identity
@identity ||= current_user.identities
.with_extern_uid(provider, uid)
.first_or_initialize(extern_uid: uid)
end
# rubocop: enable CodeReuse/ActiveRecord
def provider
oauth['provider']
end
def uid
oauth['uid']
end
end
end
end
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