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perf(server): Reduce database query

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This commit is contained in:
syuilo 2021-03-20 11:05:33 +09:00
parent a9db1384d2
commit beaf81be4f
2 changed files with 58 additions and 11 deletions
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67
src/models/repositories/notification.ts
View file

@ -1,8 +1,11 @@
import { EntityRepository, Repository } from 'typeorm';
import { Users, Notes, UserGroupInvitations, AccessTokens } from '..';
import { EntityRepository, In, Repository } from 'typeorm';
import { Users, Notes, UserGroupInvitations, AccessTokens, NoteReactions } from '..';
import { Notification } from '../entities/notification';
import { awaitAll } from '../../prelude/await-all';
import { SchemaType } from '../../misc/schema';
import { Note } from '../entities/note';
import { NoteReaction } from '../entities/note-reaction';
import { User } from '../entities/user';
export type PackedNotification = SchemaType<typeof packedNotificationSchema>;
@ -10,6 +13,11 @@ export type PackedNotification = SchemaType<typeof packedNotificationSchema>;
export class NotificationRepository extends Repository<Notification> {
public async pack(
src: Notification['id'] | Notification,
options: {
_hintForEachNotes_: {
myReactions: Map<Note['id'], NoteReaction | null>;
};
}
): Promise<PackedNotification> {
const notification = typeof src === 'object' ? src : await this.findOneOrFail(src);
const token = notification.appAccessTokenId ? await AccessTokens.findOneOrFail(notification.appAccessTokenId) : null;
@ -22,23 +30,41 @@ export class NotificationRepository extends Repository<Notification> {
userId: notification.notifierId,
user: notification.notifierId ? Users.pack(notification.notifier || notification.notifierId) : null,
...(notification.type === 'mention' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
} : {}),
...(notification.type === 'reply' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
} : {}),
...(notification.type === 'renote' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
} : {}),
...(notification.type === 'quote' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
} : {}),
...(notification.type === 'reaction' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
reaction: notification.reaction
} : {}),
...(notification.type === 'pollVote' ? {
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId, {
detail: true,
_hint_: options._hintForEachNotes_
}),
choice: notification.choice
} : {}),
...(notification.type === 'groupInvited' ? {
@ -52,10 +78,31 @@ export class NotificationRepository extends Repository<Notification> {
});
}
public packMany(
public async packMany(
notifications: Notification[],
meId: User['id']
) {
return Promise.all(notifications.map(x => this.pack(x)));
if (notifications.length === 0) return [];
const notes = notifications.filter(x => x.note != null).map(x => x.note!);
const noteIds = notes.map(n => n.id);
const myReactionsMap = new Map<Note['id'], NoteReaction | null>();
const renoteIds = notes.filter(n => n.renoteId != null).map(n => n.renoteId!);
const targets = [...noteIds, ...renoteIds];
const myReactions = await NoteReactions.find({
userId: meId,
noteId: In(targets),
});
for (const target of targets) {
myReactionsMap.set(target, myReactions.find(reaction => reaction.noteId === target) || null);
}
return await Promise.all(notifications.map(x => this.pack(x, {
_hintForEachNotes_: {
myReactions: myReactionsMap
}
})));
}
}

2
src/server/api/endpoints/i/notifications.ts
View file

@ -112,5 +112,5 @@ export default define(meta, async (ps, user) => {
readNotification(user.id, notifications.map(x => x.id));
}
return await Notifications.packMany(notifications);
return await Notifications.packMany(notifications, user.id);
});