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Implement readById() in TimelineReader

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This commit is contained in:
RMidhunSuresh 2021-12-12 20:57:41 +05:30
parent 0da94e51e0
commit 51b7b21082
1 changed files with 24 additions and 4 deletions
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28
src/matrix/room/timeline/Timeline.js
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@ -23,12 +23,12 @@ import {PendingEventEntry} from "./entries/PendingEventEntry.js";
import {RoomMember} from "../members/RoomMember.js";
import {getRelation, ANNOTATION_RELATION_TYPE} from "./relations.js";
import {REDACTION_TYPE} from "../common.js";
import {NonPersistedEventEntry} from "./entries/NonPersistedEventEntry.js";
import {DecryptionSource} from "../../e2ee/common.js";
export class Timeline {
constructor({roomId, storage, closeCallback, fragmentIdComparer, pendingEvents, clock, powerLevelsObservable, fetchEventFromStorage, fetchEventFromHomeserver}) {
constructor({roomId, storage, closeCallback, fragmentIdComparer, pendingEvents, clock, powerLevelsObservable, hsApi}) {
this._roomId = roomId;
this._fetchEventFromStorage = fetchEventFromStorage;
this._fetchEventFromHomeserver = fetchEventFromHomeserver;
this._storage = storage;
this._closeCallback = closeCallback;
this._fragmentIdComparer = fragmentIdComparer;
@ -47,6 +47,8 @@ export class Timeline {
this._allEntries = null;
// Stores event entries that we fetch for reply previews
this._fetchedEventEntries = new Map();
this._decryptEntries = null;
this._hsApi = hsApi;
this.initializePowerLevels(powerLevelsObservable);
}
@ -267,7 +269,7 @@ export class Timeline {
const id = entry.contextEventId;
let contextEvent = this._getTrackedEvent(id);
if (!contextEvent) {
contextEvent = await this._fetchEventFromStorage(id) ?? await this._fetchEventFromHomeserver(id);
contextEvent = await this._timelineReader.readById(id) ?? await this._getEventFromHomeserver(id);
// this entry was created from storage/hs, so it's not tracked by remoteEntries
// we track them here so that we can update reply preview of dependents on redaction
this._fetchedEventEntries.set(id, contextEvent);
@ -284,6 +286,23 @@ export class Timeline {
_getTrackedEvent(id) {
return this.getByEventId(id) ?? this._fetchedEventEntries.get(id);
}
async _getEventFromHomeserver(eventId) {
const response = await this._hsApi.context(this._roomId, eventId, 0).response();
const sender = response.event.sender;
const member = response.state.find(e => e.type === "m.room.member" && e.user_id === sender);
const entry = {
event: response.event,
displayName: member.content.displayname,
avatarUrl: member.content.avatar_url
};
const eventEntry = new NonPersistedEventEntry(entry, this._fragmentIdComparer);
if (this._decryptEntries) {
const request = this._decryptEntries(DecryptionSource.Timeline, [eventEntry]);
await request.complete();
}
return eventEntry;
}
// tries to prepend `amount` entries to the `entries` list.
/**
@ -374,6 +393,7 @@ export class Timeline {
/** @internal */
enableEncryption(decryptEntries) {
this._decryptEntries = decryptEntries;
this._timelineReader.enableEncryption(decryptEntries);
}