2021-06-18 11:20:26 +02:00

53 lines
1.4 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) UXBOX Labs SL
(ns app.worker.impl
(:require
[app.common.pages.changes :as ch]
[okulary.core :as l]))
(enable-console-print!)
(defonce state (l/atom {:pages-index {}}))
;; --- Handler
(defmulti handler :cmd)
(defmethod handler :default
[message]
(println "Unexpected message:" message))
(defmethod handler :echo
[message]
message)
(defmethod handler :initialize-indices
[{:keys [data] :as message}]
(reset! state data)
(handler (-> message
(assoc :cmd :selection/initialize-index)))
(handler (-> message
(assoc :cmd :snaps/initialize-index))))
(defmethod handler :update-page-indices
[{:keys [page-id changes] :as message}]
(let [old-objects (get-in @state [:pages-index page-id :objects])]
(swap! state ch/process-changes changes false)
(let [new-objects (get-in @state [:pages-index page-id :objects])
message (assoc message
:objects new-objects
:new-objects new-objects
:old-objects old-objects)]
(handler (-> message
(assoc :cmd :selection/update-index)))
(handler (-> message
(assoc :cmd :snaps/update-index))))))