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webhook_request.rb
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webhook_request.rb
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# frozen_string_literal: true
# == Schema Information
#
# Table name: webhook_requests
#
# id :integer not null, primary key
# server_id :integer
# webhook_id :integer
# url :string(255)
# event :string(255)
# uuid :string(255)
# payload :text(65535)
# attempts :integer default(0)
# retry_after :datetime
# error :text(65535)
# created_at :datetime
#
class WebhookRequest < ApplicationRecord
include HasUUID
RETRIES = { 1 => 2.minutes, 2 => 3.minutes, 3 => 6.minutes, 4 => 10.minutes, 5 => 15.minutes }.freeze
belongs_to :server
belongs_to :webhook, optional: true
validates :url, presence: true
validates :event, presence: true
serialize :payload, Hash
after_commit :queue, on: :create
def self.trigger(server, event, payload = {})
unless server.is_a?(Server)
server = Server.find(server.to_i)
end
webhooks = server.webhooks.enabled.includes(:webhook_events).references(:webhook_events).where("webhooks.all_events = ? OR webhook_events.event = ?", true, event)
webhooks.each do |webhook|
server.webhook_requests.create!(event: event, payload: payload, webhook: webhook, url: webhook.url)
end
end
def self.requeue_all
where("retry_after < ?", Time.now).find_each(&:queue)
end
def queue
WebhookDeliveryJob.queue(:main, id: id)
end
def deliver
payload = { event: event, timestamp: created_at.to_f, payload: self.payload, uuid: uuid }.to_json
Postal.logger.tagged(event: event, url: url, component: "webhooks") do
Postal.logger.info "Sending webhook request"
result = Postal::HTTP.post(url, sign: true, json: payload, timeout: 5)
self.attempts += 1
self.retry_after = RETRIES[self.attempts]&.from_now
server.message_db.webhooks.record(
event: event,
url: url,
webhook_id: webhook_id,
attempt: self.attempts,
timestamp: Time.now.to_f,
payload: self.payload.to_json,
uuid: uuid,
status_code: result[:code],
body: result[:body],
will_retry: (retry_after ? 0 : 1)
)
if result[:code] >= 200 && result[:code] < 300
Postal.logger.info "Received #{result[:code]} status code. That's OK."
destroy
webhook&.update_column(:last_used_at, Time.now)
true
else
Postal.logger.error "Received #{result[:code]} status code. That's not OK."
self.error = "Couldn't send to URL. Code received was #{result[:code]}"
if retry_after
Postal.logger.info "Will retry #{retry_after} (this was attempt #{self.attempts})"
save
else
Postal.logger.info "Have tried #{self.attempts} times. Giving up."
destroy
end
false
end
end
end
end