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;; 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) KALEIDOS INC | ||
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(ns app.main.data.changes | ||
(:require | ||
[app.common.data :as d] | ||
[app.common.data.macros :as dm] | ||
[app.common.files.changes :as cpc] | ||
[app.common.logging :as log] | ||
[app.common.types.shape-tree :as ctst] | ||
[app.common.uuid :as uuid] | ||
[app.main.features :as features] | ||
[app.main.worker :as uw] | ||
[app.util.time :as dt] | ||
[beicon.v2.core :as rx] | ||
[potok.v2.core :as ptk])) | ||
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;; Change this to :info :debug or :trace to debug this module | ||
(log/set-level! :debug) | ||
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(def page-change? | ||
#{:add-page :mod-page :del-page :mov-page}) | ||
(def update-layout-attr? | ||
#{:hidden}) | ||
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(def commit? | ||
(ptk/type? ::commit)) | ||
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(defn update-indexes | ||
"Given a commit, send the changes to the worker for updating the | ||
indexes." | ||
[{:keys [changes] :as commit}] | ||
(ptk/reify ::update-indexes | ||
ptk/WatchEvent | ||
(watch [_ _ _] | ||
(let [changes (->> changes | ||
(map (fn [{:keys [id type page] :as change}] | ||
(cond-> change | ||
(and (page-change? type) (nil? (:page-id change))) | ||
(assoc :page-id (or id (:id page)))))) | ||
(filter :page-id) | ||
(group-by :page-id))] | ||
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(->> (rx/from changes) | ||
(rx/merge-map (fn [[page-id changes]] | ||
(log/debug :hint "update-indexes" :page-id page-id :changes (count changes)) | ||
(uw/ask! {:cmd :update-page-index | ||
:page-id page-id | ||
:changes changes}))) | ||
(rx/ignore)))))) | ||
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(defn- get-pending-commits | ||
[{:keys [persistence]}] | ||
(->> (:queue persistence) | ||
(map (d/getf (:index persistence))) | ||
(not-empty))) | ||
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(defn commit | ||
"Create a commit event instance" | ||
[{:keys [commit-id redo-changes undo-changes origin save-undo? features | ||
file-id file-revn undo-group tags stack-undo? source]}] | ||
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(dm/assert! | ||
"expect valid vector of changes" | ||
(and (cpc/check-changes! redo-changes) | ||
(cpc/check-changes! undo-changes))) | ||
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(let [commit-id (or commit-id (uuid/next)) | ||
commit {:id commit-id | ||
:created-at (dt/now) | ||
:source (d/nilv source :local) | ||
:origin (ptk/type origin) | ||
:features features | ||
:file-id file-id | ||
:file-revn file-revn | ||
:changes redo-changes | ||
:redo-changes redo-changes | ||
:undo-changes undo-changes | ||
:save-undo? save-undo? | ||
:undo-group undo-group | ||
:tags tags | ||
:stack-undo? stack-undo?}] | ||
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(ptk/reify ::commit | ||
cljs.core/IDeref | ||
(-deref [_] commit) | ||
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ptk/UpdateEvent | ||
(update [_ state] | ||
(let [current-file-id (get state :current-file-id) | ||
path (if (= file-id current-file-id) | ||
[:workspace-data] | ||
[:workspace-libraries file-id :data]) | ||
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not-local? (not= source :local) | ||
pending (if not-local? | ||
(get-pending-commits state) | ||
nil) | ||
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undo-changes (if pending | ||
(->> pending | ||
(map :undo-changes) | ||
(reverse) | ||
(mapcat identity) | ||
(vec)) | ||
nil) | ||
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redo-changes (if pending | ||
(into redo-changes | ||
(comp | ||
(map :redo-changes) | ||
(mapcat identity)) | ||
pending) | ||
redo-changes)] | ||
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(d/update-in-when state path | ||
(fn [file] | ||
(let [file (cpc/process-changes file undo-changes false) | ||
file (cpc/process-changes file redo-changes false) | ||
pids (into #{} (map :page-id) redo-changes)] | ||
(reduce #(ctst/update-object-indices %1 %2) file pids))))))))) | ||
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(defn- resolve-file-revn | ||
[state file-id] | ||
(let [file (:workspace-file state)] | ||
(if (= (:id file) file-id) | ||
(:revn file) | ||
(dm/get-in state [:workspace-libraries file-id :revn])))) | ||
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(defn commit-changes | ||
"Schedules a list of changes to execute now, and add the corresponding undo changes to | ||
the undo stack. | ||
Options: | ||
- save-undo?: if set to false, do not add undo changes. | ||
- undo-group: if some consecutive changes (or even transactions) share the same | ||
undo-group, they will be undone or redone in a single step | ||
" | ||
[{:keys [redo-changes undo-changes save-undo? undo-group tags stack-undo? file-id] | ||
:or {save-undo? true | ||
stack-undo? false | ||
undo-group (uuid/next) | ||
tags #{}} | ||
:as params}] | ||
(ptk/reify ::commit-changes | ||
ptk/WatchEvent | ||
(watch [_ state _] | ||
(let [file-id (or file-id (:current-file-id state)) | ||
uchg (vec undo-changes) | ||
rchg (vec redo-changes) | ||
features (features/get-team-enabled-features state)] | ||
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(rx/of (-> params | ||
(assoc :undo-group undo-group) | ||
(assoc :features features) | ||
(assoc :tags tags) | ||
(assoc :stack-undo? stack-undo?) | ||
(assoc :save-undo? save-undo?) | ||
(assoc :file-id file-id) | ||
(assoc :file-revn (resolve-file-revn state file-id)) | ||
(assoc :undo-changes uchg) | ||
(assoc :redo-changes rchg) | ||
(commit))))))) |
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