Refactor

src/utils/exportUtils/Exporter.ts

@@ -1,7 +1,36 @@
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { Room } from "matrix-js-sdk/src/models/room";
+import { MatrixClientPeg } from "../../MatrixClientPeg";
+import { TimelineWindow } from "matrix-js-sdk/src/timeline-window";
+import { arrayFastClone } from "../arrays";
 
 export abstract class Exporter {
-    constructor(protected res: MatrixEvent[], protected room: Room) {}
+    constructor(protected room: Room) {}
+
+    protected getTimelineConversation = () : MatrixEvent => {
+        if (!this.room) return;
+
+        const cli = MatrixClientPeg.get();
+
+        const timelineSet = this.room.getUnfilteredTimelineSet();
+
+        const timelineWindow = new TimelineWindow(
+            cli, timelineSet,
+            {windowLimit: Number.MAX_VALUE});
+
+        timelineWindow.load(null, 30);
+
+        const events = timelineWindow.getEvents();
+
+        // Clone and reverse the events so that we preserve the order
+        arrayFastClone(events)
+            .reverse()
+            .forEach(event => {
+                cli.decryptEventIfNeeded(event);
+            });
+
+        return events;
+    };
+
     abstract export(): Promise<Blob>;
 }