ユーザーTLではFTTのソースが空の際にDBにFallbackしないように

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taichanne30 2024-07-25 16:01:41 +09:00
parent 3564bf5c66
commit 48232ca57b
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2 changed files with 6 additions and 3 deletions

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@ -34,6 +34,7 @@ type TimelineOptions = {
excludeReplies?: boolean;
excludePureRenotes: boolean;
dbFallback: (untilId: string | null, sinceId: string | null, limit: number) => Promise<MiNote[]>,
preventEmptyTimelineDbFallback?: boolean;
};
@Injectable()
@ -63,8 +64,9 @@ export class FanoutTimelineEndpointService {
const redisResult = await this.fanoutTimelineService.getMulti(ps.redisTimelines, ps.untilId, ps.sinceId);
// 取得したredisResultのうち、2つ以上ソースがあり、1つでも空であればDBにフォールバックする
let shouldFallbackToDb = ps.useDbFallback && (redisResult.length > 1 && redisResult.some(ids => ids.length === 0));
// オプション無効時、取得したredisResultのうち、2つ以上ソースがあり、1つでも空であればDBにフォールバックする
let shouldFallbackToDb = ps.useDbFallback &&
(ps.preventEmptyTimelineDbFallback !== true && redisResult.length > 1 && redisResult.some(ids => ids.length === 0));
// 取得したresultの中で最古のIDのうち、最も新しいものを取得
const fttThresholdId = redisResult.map(ids => ids[0]).sort()[0];
@ -75,7 +77,7 @@ export class FanoutTimelineEndpointService {
let noteIds = redisResultIds.filter(id => id >= fttThresholdId).slice(0, ps.limit);
const oldestNoteId = ascending ? redisResultIds[0] : redisResultIds[redisResultIds.length - 1];
shouldFallbackToDb ||= noteIds.length === 0 || ps.sinceId != null && ps.sinceId < oldestNoteId;
shouldFallbackToDb ||= ps.useDbFallback && (noteIds.length === 0 || ps.sinceId != null && ps.sinceId < oldestNoteId);
if (!shouldFallbackToDb) {
let filter = ps.noteFilter ?? (_note => true);

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@ -143,6 +143,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
withFiles: ps.withFiles,
withRenotes: ps.withRenotes,
}, me),
preventEmptyTimelineDbFallback: true,
});
return timeline;