73 lines
1.8 KiB
Ruby
73 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module PagerDuty
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class WebhookPayloadParser
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SCHEMA_PATH = Rails.root.join('lib', 'pager_duty', 'validator', 'schemas', 'message.json')
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def initialize(payload)
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@payload = payload
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end
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def self.call(payload)
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new(payload).call
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end
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def call
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Array(payload['messages']).map { |msg| parse_message(msg) }.reject(&:empty?)
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end
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private
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attr_reader :payload
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def parse_message(message)
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return {} unless valid_message?(message)
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{
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'event' => message['event'],
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'incident' => parse_incident(message['incident'])
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}
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end
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def parse_incident(incident)
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{
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'url' => incident['html_url'],
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'incident_number' => incident['incident_number'],
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'title' => incident['title'],
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'status' => incident['status'],
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'created_at' => incident['created_at'],
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'urgency' => incident['urgency'],
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'incident_key' => incident['incident_key'],
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'assignees' => reject_empty(parse_assignees(incident)),
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'impacted_services' => reject_empty(parse_impacted_services(incident))
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}
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end
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def parse_assignees(incident)
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Array(incident['assignments']).map do |a|
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{
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'summary' => a.dig('assignee', 'summary'),
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'url' => a.dig('assignee', 'html_url')
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}
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end
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end
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def parse_impacted_services(incident)
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Array(incident['impacted_services']).map do |is|
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{
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'summary' => is['summary'],
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'url' => is['html_url']
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}
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end
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end
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def reject_empty(entities)
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Array(entities).reject { |e| e['summary'].blank? && e['url'].blank? }
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end
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def valid_message?(message)
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::JSONSchemer.schema(SCHEMA_PATH).valid?(message)
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end
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end
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end
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