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increase idb throttle time, query by pubkey+kind index

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This commit is contained in:
Martti Malmi 2024-01-03 23:56:17 +02:00
parent 7ac5bb6d41
commit 2a2144b59b
1 changed files with 29 additions and 5 deletions
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34
packages/app/src/Cache/IndexedDB.ts
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@ -20,6 +20,7 @@ class IndexedDB extends Dexie {
private subscribedEventIds = new Set<string>();
private subscribedAuthors = new Set<string>();
private subscribedTags = new Set<string>();
private subscribedAuthorsAndKinds = new Set<string>();
constructor() {
super("EventDB");
@ -112,13 +113,13 @@ class IndexedDB extends Dexie {
.anyOf(authors)
.limit(limit || 1000)
.each(callback);
}, 100);
}, 200);
subscribeToEventIds = this._throttle(async function (callback: (event: TaggedNostrEvent) => void) {
const ids = [...this.subscribedEventIds];
this.subscribedEventIds.clear();
await this.events.where("id").anyOf(ids).each(callback);
}, 100);
}, 200);
subscribeToTags = this._throttle(async function (callback: (event: TaggedNostrEvent) => void) {
const tagPairs = [...this.subscribedTags].map(tag => tag.split("|"));
@ -129,13 +130,30 @@ class IndexedDB extends Dexie {
.each(tag => this.subscribedEventIds.add(tag.eventId));
await this.subscribeToEventIds(callback);
}, 100);
}, 200);
subscribeToAuthorsAndKinds = this._throttle(async function (callback: (event: TaggedNostrEvent) => void) {
const authorsAndKinds = [...this.subscribedAuthorsAndKinds];
this.subscribedAuthorsAndKinds.clear();
// parse pair[1] as int
const pairs = authorsAndKinds.map(pair => {
const [author, kind] = pair.split("|");
return [author, parseInt(kind)];
});
await this.events
.where("[pubkey+kind]")
.anyOf(pairs)
.each(callback);
}, 200);
async find(filter: Filter, callback: (event: TaggedNostrEvent) => void): Promise<void> {
if (!filter) return;
// make sure only 1 argument is passed
const cb = e => callback(e);
const cb = e => {
this.seenEvents.add(e.id);
callback(e);
}
if (filter["#p"] && Array.isArray(filter["#p"])) {
for (const eventId of filter["#p"]) {
@ -170,6 +188,13 @@ class IndexedDB extends Dexie {
return;
}
if (filter.authors?.length && filter.kinds?.length) {
const permutations = filter.authors.flatMap(author => filter.kinds!.map(kind => author + "|" + kind));
permutations.forEach(permutation => this.subscribedAuthorsAndKinds.add(permutation));
await this.subscribeToAuthorsAndKinds(cb);
return;
}
if (filter.authors?.length) {
filter.authors.forEach(author => this.subscribedAuthors.add(author));
await this.subscribeToAuthors(cb);
@ -189,7 +214,6 @@ class IndexedDB extends Dexie {
}
// TODO test that the sort is actually working
await query.each(e => {
this.seenEvents.add(e.id);
cb(e);
});
}