a4a7c23148
also move more logic into the matrix layer, from Reaction(s)ViewModel to PendingAnnotation
77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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export class PendingAnnotation {
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constructor() {
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// TODO: use simple member for reaction and redaction as we can't/shouldn't really have more than 2 entries
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// this contains both pending annotation entries, and pending redactions of remote annotation entries
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this._entries = [];
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}
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get firstTimestamp() {
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return this._entries.reduce((ts, e) => {
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if (e.isRedaction) {
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return ts;
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}
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return Math.min(e.timestamp, ts);
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}, Number.MAX_SAFE_INTEGER);
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}
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get annotationEntry() {
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return this._entries.find(e => !e.isRedaction);
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}
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get redactionEntry() {
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return this._entries.find(e => e.isRedaction);
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}
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get count() {
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return this._entries.reduce((count, e) => {
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return count + (e.isRedaction ? -1 : 1);
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}, 0);
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}
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add(entry) {
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this._entries.push(entry);
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}
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remove(entry) {
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const idx = this._entries.indexOf(entry);
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if (idx === -1) {
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return false;
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}
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this._entries.splice(idx, 1);
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return true;
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}
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get willAnnotate() {
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const lastEntry = this._entries.reduce((lastEntry, e) => {
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if (!lastEntry || e.pendingEvent.queueIndex > lastEntry.pendingEvent.queueIndex) {
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return e;
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}
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return lastEntry;
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}, null);
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if (lastEntry) {
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return !lastEntry.isRedaction;
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}
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return false;
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}
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get isEmpty() {
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return this._entries.length === 0;
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}
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}
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