65 lines
2 KiB
JavaScript
65 lines
2 KiB
JavaScript
import EventEmitter from "../../EventEmitter.js";
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import RoomSummary from "./summary.js";
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import SyncWriter from "./timeline/persistence/SyncWriter.js";
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import Timeline from "./timeline/Timeline.js";
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import FragmentIdComparer from "./timeline/FragmentIdComparer.js";
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export default class Room extends EventEmitter {
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constructor({roomId, storage, hsApi, emitCollectionChange}) {
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super();
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this._roomId = roomId;
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this._storage = storage;
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this._hsApi = hsApi;
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this._summary = new RoomSummary(roomId);
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this._fragmentIdComparer = new FragmentIdComparer([]);
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this._syncWriter = new SyncWriter({roomId, storage, fragmentIdComparer: this._fragmentIdComparer});
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this._emitCollectionChange = emitCollectionChange;
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this._timeline = null;
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}
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async persistSync(roomResponse, membership, txn) {
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const summaryChanged = this._summary.applySync(roomResponse, membership, txn);
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const newTimelineEntries = await this._syncWriter.writeSync(roomResponse, txn);
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return {summaryChanged, newTimelineEntries};
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}
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emitSync({summaryChanged, newTimelineEntries}) {
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if (summaryChanged) {
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this.emit("change");
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this._emitCollectionChange(this);
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}
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if (this._timeline) {
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this._timeline.appendLiveEntries(newTimelineEntries);
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}
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}
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load(summary, txn) {
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this._summary.load(summary);
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return this._syncWriter.load(txn);
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}
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get name() {
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return this._summary.name;
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}
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get id() {
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return this._roomId;
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}
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async openTimeline() {
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if (this._timeline) {
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throw new Error("not dealing with load race here for now");
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}
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this._timeline = new Timeline({
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roomId: this.id,
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storage: this._storage,
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hsApi: this._hsApi,
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fragmentIdComparer: this._fragmentIdComparer,
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closeCallback: () => this._timeline = null,
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});
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await this._timeline.load();
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return this._timeline;
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}
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}
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