debian-mirror-gitlab/app/models/concerns/alert_event_lifecycle.rb

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2020-04-22 19:07:51 +05:30
# frozen_string_literal: true
module AlertEventLifecycle
extend ActiveSupport::Concern
included do
validates :started_at, presence: true
validates :status, presence: true
state_machine :status, initial: :none do
state :none, value: nil
state :firing, value: 0 do
validates :payload_key, presence: true
validates :ended_at, absence: true
end
state :resolved, value: 1 do
validates :ended_at, presence: true
end
event :fire do
transition none: :firing
end
event :resolve do
transition firing: :resolved
end
before_transition to: :firing do |alert_event, transition|
started_at = transition.args.first
alert_event.started_at = started_at
end
before_transition to: :resolved do |alert_event, transition|
ended_at = transition.args.first
alert_event.ended_at = ended_at || Time.current
end
end
scope :firing, -> { where(status: status_value_for(:firing)) }
scope :resolved, -> { where(status: status_value_for(:resolved)) }
def self.status_value_for(name)
state_machines[:status].states[name].value
end
end
end