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Code Issues Releases Wiki Activity

Ignore edits in message previews when they concern messages other than latest (#10868)

pull/28217/head
Michael Telatynski 2023-05-15 18:27:46 +01:00 committed by GitHub
parent 4e5687c454
commit d53949e863
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 246 additions and 11 deletions
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52
src/stores/room-list/MessagePreviewStore.ts
View File

@ -18,6 +18,7 @@ import { Room } from "matrix-js-sdk/src/models/room";
import { isNullOrUndefined } from "matrix-js-sdk/src/utils";
import { MatrixEvent } from "matrix-js-sdk/src/models/event";
import { M_POLL_START } from "matrix-js-sdk/src/@types/polls";
import { RelationType } from "matrix-js-sdk/src/matrix";
import { ActionPayload } from "../../dispatcher/payloads";
import { AsyncStoreWithClient } from "../AsyncStoreWithClient";
@ -102,8 +103,15 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
return instance;
})();
/**
* @internal Public for test only
*/
public static testInstance(): MessagePreviewStore {
return new MessagePreviewStore();
}
// null indicates the preview is empty / irrelevant
private previews = new Map<string, Map<TagID | TAG_ANY, string | null>>();
private previews = new Map<string, Map<TagID | TAG_ANY, [MatrixEvent, string] | null>>();
private constructor() {
super(defaultDispatcher, {});
@ -131,10 +139,10 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
const previews = this.previews.get(room.roomId);
if (!previews) return null;
if (!previews.has(inTagId)) {
return previews.get(TAG_ANY)!;
if (previews.has(inTagId)) {
return previews.get(inTagId)![1];
}
return previews.get(inTagId) ?? null;
return previews.get(TAG_ANY)?.[1] ?? null;
}
public generatePreviewForEvent(event: MatrixEvent): string {
@ -142,16 +150,33 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
return previewDef?.previewer.getTextFor(event, undefined, true) ?? "";
}
private shouldSkipPreview(event: MatrixEvent, previousEvent?: MatrixEvent): boolean {
if (event.isRelation(RelationType.Replace)) {
if (previousEvent !== undefined) {
// Ignore edits if they don't apply to the latest event in the room to keep the preview on the latest event
const room = this.matrixClient?.getRoom(event.getRoomId()!);
const relatedEvent = room?.findEventById(event.relationEventId!);
if (relatedEvent !== previousEvent) {
return true;
}
}
}
return false;
}
private async generatePreview(room: Room, tagId?: TagID): Promise<void> {
const events = room.timeline;
if (!events) return; // should only happen in tests
let map = this.previews.get(room.roomId);
if (!map) {
map = new Map<TagID | TAG_ANY, string | null>();
map = new Map<TagID | TAG_ANY, [MatrixEvent, string] | null>();
this.previews.set(room.roomId, map);
}
const previousEventInAny = map.get(TAG_ANY)?.[0];
// Set the tags so we know what to generate
if (!map.has(TAG_ANY)) map.set(TAG_ANY, null);
if (tagId && !map.has(tagId)) map.set(tagId, null);
@ -174,19 +199,24 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
const anyPreview = previewDef.previewer.getTextFor(event);
if (!anyPreview) continue; // not previewable for some reason
changed = changed || anyPreview !== map.get(TAG_ANY);
map.set(TAG_ANY, anyPreview);
if (!this.shouldSkipPreview(event, previousEventInAny)) {
changed = changed || anyPreview !== map.get(TAG_ANY)?.[1];
map.set(TAG_ANY, [event, anyPreview]);
}
const tagsToGenerate = Array.from(map.keys()).filter((t) => t !== TAG_ANY); // we did the any tag above
for (const genTagId of tagsToGenerate) {
const previousEventInTag = map.get(genTagId)?.[0];
if (this.shouldSkipPreview(event, previousEventInTag)) continue;
const realTagId = genTagId === TAG_ANY ? undefined : genTagId;
const preview = previewDef.previewer.getTextFor(event, realTagId);
if (preview === anyPreview) {
changed = changed || anyPreview !== map.get(genTagId);
changed = changed || anyPreview !== map.get(genTagId)?.[1];
map.delete(genTagId);
} else {
changed = changed || preview !== map.get(genTagId);
map.set(genTagId, preview);
changed = changed || preview !== map.get(genTagId)?.[1];
map.set(genTagId, preview ? [event, preview] : null);
}
}
@ -200,7 +230,7 @@ export class MessagePreviewStore extends AsyncStoreWithClient<IState> {
}
// At this point, we didn't generate a preview so clear it
this.previews.set(room.roomId, new Map<TagID | TAG_ANY, string | null>());
this.previews.set(room.roomId, new Map<TagID | TAG_ANY, [MatrixEvent, string] | null>());
this.emit(UPDATE_EVENT, this);
this.emit(MessagePreviewStore.getPreviewChangedEventName(room), room);
}

205
test/stores/room-list/MessagePreviewStore-test.ts Normal file
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@ -0,0 +1,205 @@
/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { mocked } from "jest-mock";
import { EventType, MatrixEvent, RelationType, Room } from "matrix-js-sdk/src/matrix";
import { MessagePreviewStore } from "../../../src/stores/room-list/MessagePreviewStore";
import { mkEvent, mkMessage, mkStubRoom, setupAsyncStoreWithClient, stubClient } from "../../test-utils";
import { DefaultTagID } from "../../../src/stores/room-list/models";
describe("MessagePreviewStore", () => {
async function addEvent(
store: MessagePreviewStore,
room: Room,
event: MatrixEvent,
fireAction = true,
): Promise<void> {
room.timeline.push(event);
mocked(room.findEventById).mockImplementation((eventId) => room.timeline.find((e) => e.getId() === eventId));
if (fireAction) {
// @ts-ignore private access
await store.onAction({
action: "MatrixActions.Room.timeline",
event,
isLiveEvent: true,
isLiveUnfilteredRoomTimelineEvent: true,
room,
});
}
}
it("should ignore edits for events other than the latest one", async () => {
const client = stubClient();
const room = mkStubRoom("!roomId:server", "Room", client);
mocked(client.getRoom).mockReturnValue(room);
const store = MessagePreviewStore.testInstance();
await store.start();
await setupAsyncStoreWithClient(store, client);
const firstMessage = mkMessage({
user: "@sender:server",
event: true,
room: room.roomId,
msg: "First message",
});
await addEvent(store, room, firstMessage, false);
await expect(store.getPreviewForRoom(room, DefaultTagID.Untagged)).resolves.toMatchInlineSnapshot(
`"@sender:server: First message"`,
);
const secondMessage = mkMessage({
user: "@sender:server",
event: true,
room: room.roomId,
msg: "Second message",
});
await addEvent(store, room, secondMessage);
await expect(store.getPreviewForRoom(room, DefaultTagID.Untagged)).resolves.toMatchInlineSnapshot(
`"@sender:server: Second message"`,
);
const firstMessageEdit = mkEvent({
event: true,
type: EventType.RoomMessage,
user: "@sender:server",
room: room.roomId,
content: {
"body": "* First Message Edit",
"m.new_content": {
body: "First Message Edit",
},
"m.relates_to": {
rel_type: RelationType.Replace,
event_id: firstMessage.getId()!,
},
},
});
await addEvent(store, room, firstMessageEdit);
await expect(store.getPreviewForRoom(room, DefaultTagID.Untagged)).resolves.toMatchInlineSnapshot(
`"@sender:server: Second message"`,
);
const secondMessageEdit = mkEvent({
event: true,
type: EventType.RoomMessage,
user: "@sender:server",
room: room.roomId,
content: {
"body": "* Second Message Edit",
"m.new_content": {
body: "Second Message Edit",
},
"m.relates_to": {
rel_type: RelationType.Replace,
event_id: secondMessage.getId()!,
},
},
});
await addEvent(store, room, secondMessageEdit);
await expect(store.getPreviewForRoom(room, DefaultTagID.Untagged)).resolves.toMatchInlineSnapshot(
`"@sender:server: Second Message Edit"`,
);
});
it("should ignore edits to unknown events", async () => {
const client = stubClient();
const room = mkStubRoom("!roomId:server", "Room", client);
mocked(client.getRoom).mockReturnValue(room);
const store = MessagePreviewStore.testInstance();
await store.start();
await setupAsyncStoreWithClient(store, client);
await expect(store.getPreviewForRoom(room, DefaultTagID.DM)).resolves.toMatchInlineSnapshot(`null`);
const firstMessage = mkMessage({
user: "@sender:server",
event: true,
room: room.roomId,
msg: "First message",
});
await addEvent(store, room, firstMessage, true);
await expect(store.getPreviewForRoom(room, DefaultTagID.DM)).resolves.toMatchInlineSnapshot(
`"@sender:server: First message"`,
);
const randomEdit = mkEvent({
event: true,
type: EventType.RoomMessage,
user: "@sender:server",
room: room.roomId,
content: {
"body": "* Second Message Edit",
"m.new_content": {
body: "Second Message Edit",
},
"m.relates_to": {
rel_type: RelationType.Replace,
event_id: "!other-event:server",
},
},
});
await addEvent(store, room, randomEdit);
await expect(store.getPreviewForRoom(room, DefaultTagID.Untagged)).resolves.toMatchInlineSnapshot(
`"@sender:server: First message"`,
);
});
it("should generate correct preview for message events in DMs", async () => {
const client = stubClient();
const room = mkStubRoom("!roomId:server", "Room", client);
mocked(client.getRoom).mockReturnValue(room);
room.currentState.getJoinedMemberCount = jest.fn().mockReturnValue(2);
const store = MessagePreviewStore.testInstance();
await store.start();
await setupAsyncStoreWithClient(store, client);
await expect(store.getPreviewForRoom(room, DefaultTagID.DM)).resolves.toMatchInlineSnapshot(`null`);
const firstMessage = mkMessage({
user: "@sender:server",
event: true,
room: room.roomId,
msg: "First message",
});
await addEvent(store, room, firstMessage);
await expect(store.getPreviewForRoom(room, DefaultTagID.DM)).resolves.toMatchInlineSnapshot(
`"@sender:server: First message"`,
);
const secondMessage = mkMessage({
user: "@sender:server",
event: true,
room: room.roomId,
msg: "Second message",
});
await addEvent(store, room, secondMessage);
await expect(store.getPreviewForRoom(room, DefaultTagID.DM)).resolves.toMatchInlineSnapshot(
`"@sender:server: Second message"`,
);
});
});