populateEmojisのリファクタと絵文字情報のキャッシュ (#7378)

* revert

* Refactor populateEmojis, Cache emojis

* ん

* fix typo

* コメント

src/models/repositories/notification.ts

@@ -1,13 +1,11 @@
 import { EntityRepository, In, Repository } from 'typeorm';
-import { Users, Notes, UserGroupInvitations, AccessTokens, NoteReactions, Emojis } from '..';
+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';
-import { decodeReaction } from '../../misc/reaction-lib';
-import { Emoji } from '../entities/emoji';
 
 export type PackedNotification = SchemaType<typeof packedNotificationSchema>;
 
@@ -17,7 +15,6 @@ export class NotificationRepository extends Repository<Notification> {
 		src: Notification['id'] | Notification,
 		options: {
 			_hintForEachNotes_?: {
-				emojis: Emoji[] | null;
 				myReactions: Map<Note['id'], NoteReaction | null>;
 			};
 		}
@@ -101,47 +98,9 @@ export class NotificationRepository extends Repository<Notification> {
 			myReactionsMap.set(target, myReactions.find(reaction => reaction.noteId === target) || null);
 		}
 
-		// TODO: ここら辺の処理をaggregateEmojisみたいな関数に切り出したい
-		let emojisWhere: any[] = [];
-		for (const note of notes) {
-			if (typeof note !== 'object') continue;
-			emojisWhere.push({
-				name: In(note.emojis),
-				host: note.userHost
-			});
-			if (note.renote) {
-				emojisWhere.push({
-					name: In(note.renote.emojis),
-					host: note.renote.userHost
-				});
-				if (note.renote.user) {
-					emojisWhere.push({
-						name: In(note.renote.user.emojis),
-						host: note.renote.userHost
-					});
-				}
-			}
-			const customReactions = Object.keys(note.reactions).map(x => decodeReaction(x)).filter(x => x.name);
-			emojisWhere = emojisWhere.concat(customReactions.map(x => ({
-				name: x.name,
-				host: x.host
-			})));
-			if (note.user) {
-				emojisWhere.push({
-					name: In(note.user.emojis),
-					host: note.userHost
-				});
-			}
-		}
-		const emojis = emojisWhere.length > 0 ? await Emojis.find({
-			where: emojisWhere,
-			select: ['name', 'host', 'url']
-		}) : null;
-
 		return await Promise.all(notifications.map(x => this.pack(x, {
 			_hintForEachNotes_: {
-				myReactions: myReactionsMap,
-				emojis: emojis,
+				myReactions: myReactionsMap
 			}
 		})));
 	}