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path: root/app/models/metrics/dashboard/annotation.rb
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# frozen_string_literal: true

module Metrics
  module Dashboard
    class Annotation < ApplicationRecord
      self.table_name = 'metrics_dashboard_annotations'

      belongs_to :environment, inverse_of: :metrics_dashboard_annotations
      belongs_to :cluster, class_name: 'Clusters::Cluster', inverse_of: :metrics_dashboard_annotations

      validates :starting_at, presence: true
      validates :description, presence: true, length: { maximum: 255 }
      validates :dashboard_path, presence: true, length: { maximum: 255 }
      validates :panel_xid, length: { maximum: 255 }
      validate :single_ownership
      validate :orphaned_annotation

      scope :after, ->(after) { where('starting_at >= ?', after) }
      scope :before, ->(before) { where('starting_at <= ?', before) }

      scope :for_dashboard, ->(dashboard_path) { where(dashboard_path: dashboard_path) }

      private

      def single_ownership
        return if cluster.nil? ^ environment.nil?

        errors.add(:base, s_("Metrics::Dashboard::Annotation|Annotation can't belong to both a cluster and an environment at the same time"))
      end

      def orphaned_annotation
        return if cluster.present? || environment.present?

        errors.add(:base, s_("Metrics::Dashboard::Annotation|Annotation must belong to a cluster or an environment"))
      end
    end
  end
end