add webhook events

app/models/webhook_event.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: webhook_events
+#
+#  id             :bigint           not null, primary key
+#  event_type     :string           not null
+#  record_type    :string           not null
+#  status         :string           not null
+#  uuid           :string           not null
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#  account_id     :bigint           not null
+#  record_id      :bigint           not null
+#  webhook_url_id :bigint           not null
+#
+# Indexes
+#
+#  index_webhook_events_error                       (webhook_url_id,id) WHERE ((status)::text = 'error'::text)
+#  index_webhook_events_on_uuid_and_webhook_url_id  (uuid,webhook_url_id) UNIQUE
+#  index_webhook_events_on_webhook_url_id_and_id    (webhook_url_id,id)
+#
+class WebhookEvent < ApplicationRecord
+  attribute :uuid, :string, default: -> { SecureRandom.uuid }
+
+  belongs_to :webhook_url, optional: true
+  belongs_to :account, optional: true
+  belongs_to :record, polymorphic: true, optional: true
+
+  has_many :webhook_attempts, dependent: nil
+end