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# frozen_string_literal: true
class ChatName < ActiveRecord::Base
LAST_USED_AT_INTERVAL = 1.hour
belongs_to :service
belongs_to :user
validates :user, presence: true
validates :service, presence: true
validates :team_id, presence: true
validates :chat_id, presence: true
validates :user_id, uniqueness: { scope: [:service_id] }
validates :chat_id, uniqueness: { scope: [:service_id, :team_id] }
# Updates the "last_used_timestamp" but only if it wasn't already updated
# recently.
#
# The throttling this method uses is put in place to ensure that high chat
# traffic doesn't result in many UPDATE queries being performed.
def update_last_used_at
return unless update_last_used_at?
obtained = Gitlab::ExclusiveLease
.new("chat_name/last_used_at/#{id}", timeout: LAST_USED_AT_INTERVAL.to_i)
.try_obtain
touch(:last_used_at) if obtained
end
def update_last_used_at?
last_used_at.nil? || last_used_at > LAST_USED_AT_INTERVAL.ago
end
end
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