mirror of
https://github.com/vector-im/element-web.git
synced 2024-11-16 13:14:58 +08:00
Remove the lock around the algorithm
This isn't needed
This commit is contained in:
Travis Ralston
parent
70e5da677b
commit
34bd59c151
@ -33,7 +33,6 @@ import { FILTER_CHANGED, FilterPriority, IFilterCondition } from "../filters/IFi
|
||||
import { EffectiveMembership, getEffectiveMembership, splitRoomsByMembership } from "../membership";
|
||||
import { OrderingAlgorithm } from "./list-ordering/OrderingAlgorithm";
|
||||
import { getListAlgorithmInstance } from "./list-ordering";
|
||||
import AwaitLock from "await-lock";
|
||||
|
||||
// TODO: Add locking support to avoid concurrent writes? https://github.com/vector-im/riot-web/issues/14235
|
||||
|
||||
@ -68,7 +67,6 @@ export class Algorithm extends EventEmitter {
|
||||
} = {};
|
||||
private allowedByFilter: Map<IFilterCondition, Room[]> = new Map<IFilterCondition, Room[]>();
|
||||
private allowedRoomsByFilters: Set<Room> = new Set<Room>();
|
||||
private readonly lock = new AwaitLock();
|
||||
|
||||
public constructor() {
|
||||
super();
|
||||
@ -643,154 +641,146 @@ export class Algorithm extends EventEmitter {
|
||||
public async handleRoomUpdate(room: Room, cause: RoomUpdateCause): Promise<boolean> {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Handle room update for ${room.roomId} called with cause ${cause}`);
|
||||
try {
|
||||
await this.lock.acquireAsync();
|
||||
if (!this.algorithms) throw new Error("Not ready: no algorithms to determine tags from");
|
||||
|
||||
if (!this.algorithms) throw new Error("Not ready: no algorithms to determine tags from");
|
||||
const isSticky = this._stickyRoom && this._stickyRoom.room === room;
|
||||
if (cause === RoomUpdateCause.NewRoom) {
|
||||
const isForLastSticky = this._lastStickyRoom && this._lastStickyRoom.room === room;
|
||||
const roomTags = this.roomIdsToTags[room.roomId];
|
||||
const hasTags = roomTags && roomTags.length > 0;
|
||||
|
||||
const isSticky = this._stickyRoom && this._stickyRoom.room === room;
|
||||
if (cause === RoomUpdateCause.NewRoom) {
|
||||
const isForLastSticky = this._lastStickyRoom && this._lastStickyRoom.room === room;
|
||||
const roomTags = this.roomIdsToTags[room.roomId];
|
||||
const hasTags = roomTags && roomTags.length > 0;
|
||||
// Don't change the cause if the last sticky room is being re-added. If we fail to
|
||||
// pass the cause through as NewRoom, we'll fail to lie to the algorithm and thus
|
||||
// lose the room.
|
||||
if (hasTags && !isForLastSticky) {
|
||||
console.warn(`${room.roomId} is reportedly new but is already known - assuming TagChange instead`);
|
||||
cause = RoomUpdateCause.PossibleTagChange;
|
||||
}
|
||||
|
||||
// Don't change the cause if the last sticky room is being re-added. If we fail to
|
||||
// pass the cause through as NewRoom, we'll fail to lie to the algorithm and thus
|
||||
// lose the room.
|
||||
if (hasTags && !isForLastSticky) {
|
||||
console.warn(`${room.roomId} is reportedly new but is already known - assuming TagChange instead`);
|
||||
cause = RoomUpdateCause.PossibleTagChange;
|
||||
}
|
||||
// If we have tags for a room and don't have the room referenced, the room reference
|
||||
// probably changed. We need to swap out the problematic reference.
|
||||
if (hasTags && !this.rooms.includes(room) && !isSticky) {
|
||||
console.warn(`${room.roomId} is missing from room array but is known - trying to find duplicate`);
|
||||
this.rooms = this.rooms.map(r => r.roomId === room.roomId ? room : r);
|
||||
|
||||
// If we have tags for a room and don't have the room referenced, the room reference
|
||||
// probably changed. We need to swap out the problematic reference.
|
||||
if (hasTags && !this.rooms.includes(room) && !isSticky) {
|
||||
console.warn(`${room.roomId} is missing from room array but is known - trying to find duplicate`);
|
||||
this.rooms = this.rooms.map(r => r.roomId === room.roomId ? room : r);
|
||||
|
||||
// Sanity check
|
||||
if (!this.rooms.includes(room)) {
|
||||
throw new Error(`Failed to replace ${room.roomId} with an updated reference`);
|
||||
}
|
||||
}
|
||||
|
||||
// Like above, update the reference to the sticky room if we need to
|
||||
if (hasTags && isSticky) {
|
||||
// Go directly in and set the sticky room's new reference, being careful not
|
||||
// to trigger a sticky room update ourselves.
|
||||
this._stickyRoom.room = room;
|
||||
// Sanity check
|
||||
if (!this.rooms.includes(room)) {
|
||||
throw new Error(`Failed to replace ${room.roomId} with an updated reference`);
|
||||
}
|
||||
}
|
||||
|
||||
if (cause === RoomUpdateCause.PossibleTagChange) {
|
||||
let didTagChange = false;
|
||||
const oldTags = this.roomIdsToTags[room.roomId] || [];
|
||||
const newTags = this.getTagsForRoom(room);
|
||||
const diff = arrayDiff(oldTags, newTags);
|
||||
if (diff.removed.length > 0 || diff.added.length > 0) {
|
||||
for (const rmTag of diff.removed) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Removing ${room.roomId} from ${rmTag}`);
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[rmTag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${rmTag}`);
|
||||
await algorithm.handleRoomUpdate(room, RoomUpdateCause.RoomRemoved);
|
||||
}
|
||||
for (const addTag of diff.added) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Adding ${room.roomId} to ${addTag}`);
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[addTag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${addTag}`);
|
||||
await algorithm.handleRoomUpdate(room, RoomUpdateCause.NewRoom);
|
||||
}
|
||||
|
||||
// Update the tag map so we don't regen it in a moment
|
||||
this.roomIdsToTags[room.roomId] = newTags;
|
||||
// Like above, update the reference to the sticky room if we need to
|
||||
if (hasTags && isSticky) {
|
||||
// Go directly in and set the sticky room's new reference, being careful not
|
||||
// to trigger a sticky room update ourselves.
|
||||
this._stickyRoom.room = room;
|
||||
}
|
||||
}
|
||||
|
||||
if (cause === RoomUpdateCause.PossibleTagChange) {
|
||||
let didTagChange = false;
|
||||
const oldTags = this.roomIdsToTags[room.roomId] || [];
|
||||
const newTags = this.getTagsForRoom(room);
|
||||
const diff = arrayDiff(oldTags, newTags);
|
||||
if (diff.removed.length > 0 || diff.added.length > 0) {
|
||||
for (const rmTag of diff.removed) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Changing update cause for ${room.roomId} to Timeline to sort rooms`);
|
||||
cause = RoomUpdateCause.Timeline;
|
||||
didTagChange = true;
|
||||
console.log(`Removing ${room.roomId} from ${rmTag}`);
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[rmTag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${rmTag}`);
|
||||
await algorithm.handleRoomUpdate(room, RoomUpdateCause.RoomRemoved);
|
||||
}
|
||||
for (const addTag of diff.added) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Adding ${room.roomId} to ${addTag}`);
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[addTag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${addTag}`);
|
||||
await algorithm.handleRoomUpdate(room, RoomUpdateCause.NewRoom);
|
||||
}
|
||||
|
||||
// Update the tag map so we don't regen it in a moment
|
||||
this.roomIdsToTags[room.roomId] = newTags;
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`Changing update cause for ${room.roomId} to Timeline to sort rooms`);
|
||||
cause = RoomUpdateCause.Timeline;
|
||||
didTagChange = true;
|
||||
} else {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.warn(`Received no-op update for ${room.roomId} - changing to Timeline update`);
|
||||
cause = RoomUpdateCause.Timeline;
|
||||
}
|
||||
|
||||
if (didTagChange && isSticky) {
|
||||
// Manually update the tag for the sticky room without triggering a sticky room
|
||||
// update. The update will be handled implicitly by the sticky room handling and
|
||||
// requires no changes on our part, if we're in the middle of a sticky room change.
|
||||
if (this._lastStickyRoom) {
|
||||
this._stickyRoom = {
|
||||
room,
|
||||
tag: this.roomIdsToTags[room.roomId][0],
|
||||
position: 0, // right at the top as it changed tags
|
||||
};
|
||||
} else {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.warn(`Received no-op update for ${room.roomId} - changing to Timeline update`);
|
||||
cause = RoomUpdateCause.Timeline;
|
||||
}
|
||||
|
||||
if (didTagChange && isSticky) {
|
||||
// Manually update the tag for the sticky room without triggering a sticky room
|
||||
// update. The update will be handled implicitly by the sticky room handling and
|
||||
// requires no changes on our part, if we're in the middle of a sticky room change.
|
||||
if (this._lastStickyRoom) {
|
||||
this._stickyRoom = {
|
||||
room,
|
||||
tag: this.roomIdsToTags[room.roomId][0],
|
||||
position: 0, // right at the top as it changed tags
|
||||
};
|
||||
} else {
|
||||
// We have to clear the lock as the sticky room change will trigger updates.
|
||||
this.lock.release();
|
||||
await this.setStickyRoomAsync(room);
|
||||
await this.lock.acquireAsync();
|
||||
}
|
||||
// We have to clear the lock as the sticky room change will trigger updates.
|
||||
await this.setStickyRoomAsync(room);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// If the update is for a room change which might be the sticky room, prevent it. We
|
||||
// need to make sure that the causes (NewRoom and RoomRemoved) are still triggered though
|
||||
// as the sticky room relies on this.
|
||||
if (cause !== RoomUpdateCause.NewRoom && cause !== RoomUpdateCause.RoomRemoved) {
|
||||
if (this.stickyRoom === room) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.warn(`[RoomListDebug] Received ${cause} update for sticky room ${room.roomId} - ignoring`);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (!this.roomIdsToTags[room.roomId]) {
|
||||
// If the update is for a room change which might be the sticky room, prevent it. We
|
||||
// need to make sure that the causes (NewRoom and RoomRemoved) are still triggered though
|
||||
// as the sticky room relies on this.
|
||||
if (cause !== RoomUpdateCause.NewRoom && cause !== RoomUpdateCause.RoomRemoved) {
|
||||
if (this.stickyRoom === room) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Updating tags for room ${room.roomId} (${room.name})`);
|
||||
|
||||
// Get the tags for the room and populate the cache
|
||||
const roomTags = this.getTagsForRoom(room).filter(t => !isNullOrUndefined(this.cachedRooms[t]));
|
||||
|
||||
// "This should never happen" condition - we specify DefaultTagID.Untagged in getTagsForRoom(),
|
||||
// which means we should *always* have a tag to go off of.
|
||||
if (!roomTags.length) throw new Error(`Tags cannot be determined for ${room.roomId}`);
|
||||
|
||||
this.roomIdsToTags[room.roomId] = roomTags;
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Updated tags for ${room.roomId}:`, roomTags);
|
||||
}
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Reached algorithmic handling for ${room.roomId} and cause ${cause}`);
|
||||
|
||||
const tags = this.roomIdsToTags[room.roomId];
|
||||
if (!tags) {
|
||||
console.warn(`No tags known for "${room.name}" (${room.roomId})`);
|
||||
console.warn(`[RoomListDebug] Received ${cause} update for sticky room ${room.roomId} - ignoring`);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
let changed = false;
|
||||
for (const tag of tags) {
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[tag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${tag}`);
|
||||
if (!this.roomIdsToTags[room.roomId]) {
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Updating tags for room ${room.roomId} (${room.name})`);
|
||||
|
||||
await algorithm.handleRoomUpdate(room, cause);
|
||||
this.cachedRooms[tag] = algorithm.orderedRooms;
|
||||
// Get the tags for the room and populate the cache
|
||||
const roomTags = this.getTagsForRoom(room).filter(t => !isNullOrUndefined(this.cachedRooms[t]));
|
||||
|
||||
// Flag that we've done something
|
||||
this.recalculateFilteredRoomsForTag(tag); // update filter to re-sort the list
|
||||
this.recalculateStickyRoom(tag); // update sticky room to make sure it appears if needed
|
||||
changed = true;
|
||||
}
|
||||
// "This should never happen" condition - we specify DefaultTagID.Untagged in getTagsForRoom(),
|
||||
// which means we should *always* have a tag to go off of.
|
||||
if (!roomTags.length) throw new Error(`Tags cannot be determined for ${room.roomId}`);
|
||||
|
||||
this.roomIdsToTags[room.roomId] = roomTags;
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Finished handling ${room.roomId} with cause ${cause} (changed=${changed})`);
|
||||
return changed;
|
||||
} finally {
|
||||
this.lock.release();
|
||||
console.log(`[RoomListDebug] Updated tags for ${room.roomId}:`, roomTags);
|
||||
}
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Reached algorithmic handling for ${room.roomId} and cause ${cause}`);
|
||||
|
||||
const tags = this.roomIdsToTags[room.roomId];
|
||||
if (!tags) {
|
||||
console.warn(`No tags known for "${room.name}" (${room.roomId})`);
|
||||
return false;
|
||||
}
|
||||
|
||||
let changed = false;
|
||||
for (const tag of tags) {
|
||||
const algorithm: OrderingAlgorithm = this.algorithms[tag];
|
||||
if (!algorithm) throw new Error(`No algorithm for ${tag}`);
|
||||
|
||||
await algorithm.handleRoomUpdate(room, cause);
|
||||
this.cachedRooms[tag] = algorithm.orderedRooms;
|
||||
|
||||
// Flag that we've done something
|
||||
this.recalculateFilteredRoomsForTag(tag); // update filter to re-sort the list
|
||||
this.recalculateStickyRoom(tag); // update sticky room to make sure it appears if needed
|
||||
changed = true;
|
||||
}
|
||||
|
||||
// TODO: Remove debug: https://github.com/vector-im/riot-web/issues/14035
|
||||
console.log(`[RoomListDebug] Finished handling ${room.roomId} with cause ${cause} (changed=${changed})`);
|
||||
return changed;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user