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50 lines
1.3 KiB
Clojure
50 lines
1.3 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) 2016 Andrey Antukh <niwi@niwi.nz>
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(ns app.worker.impl
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(:require
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[okulary.core :as l]
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[app.util.transit :as t]
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[app.common.pages.changes :as ch]))
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(enable-console-print!)
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(defonce state (l/atom {:pages-index {}}))
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;; --- Handler
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(defmulti handler :cmd)
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(defmethod handler :default
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[message]
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(println "Unexpected message:" message))
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(defmethod handler :echo
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[message]
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message)
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(defmethod handler :initialize-indices
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[{:keys [data] :as message}]
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(reset! state data)
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(handler (-> message
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(assoc :cmd :selection/initialize-index)))
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(handler (-> message
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(assoc :cmd :snaps/initialize-index))))
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(defmethod handler :update-page-indices
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[{:keys [page-id changes] :as message}]
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(swap! state ch/process-changes changes false)
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(let [objects (get-in @state [:pages-index page-id :objects])
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message (assoc message :objects objects)]
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(handler (-> message
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(assoc :cmd :selection/update-index)))
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(handler (-> message
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(assoc :cmd :snaps/update-index)))))
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