Refactor: DONT REPEAT YOURSELF

Note: GroupedNotificationはNotificationの拡張なのでその例外だけ書けば基本的に共通の処理になり複雑な個別の処理は増えにくいと思われる
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taichanne30 2024-02-21 04:19:31 +09:00
parent 0cf8946fc7
commit 5dae5ba3b4
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2 changed files with 68 additions and 132 deletions

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@ -21,8 +21,7 @@ import type { OnModuleInit } from '@nestjs/common';
import type { UserEntityService } from './UserEntityService.js';
import type { NoteEntityService } from './NoteEntityService.js';
const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'quote', 'reaction', 'pollEnded'] as (typeof notificationTypes[number])[]);
const NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded']);
const NOTE_REQUIRED_NOTIFICATION_TYPES = new Set(['note', 'mention', 'reply', 'renote', 'renote:grouped', 'quote', 'reaction', 'reaction:grouped', 'pollEnded'] as (typeof notificationTypes[number])[]);
@Injectable()
export class NotificationEntityService implements OnModuleInit {
@ -55,9 +54,11 @@ export class NotificationEntityService implements OnModuleInit {
this.roleEntityService = this.moduleRef.get('RoleEntityService');
}
@bindThis
public async pack(
src: MiNotification,
/**
*
*/
async #packInternal <T extends MiNotification | MiGroupedNotification> (
src: T,
meId: MiUser['id'],
// eslint-disable-next-line @typescript-eslint/ban-types
options: {
@ -96,123 +97,7 @@ export class NotificationEntityService implements OnModuleInit {
return null;
}
const needsRole = notification.type === 'roleAssigned';
const role = needsRole ? await this.roleEntityService.pack(notification.roleId) : undefined;
// if the role has been deleted, don't show this notification
if (needsRole && !role) {
return null;
}
return await awaitAll({
id: notification.id,
createdAt: new Date(notification.createdAt).toISOString(),
type: notification.type,
userId: 'notifierId' in notification ? notification.notifierId : undefined,
...(userIfNeed != null ? { user: userIfNeed } : {}),
...(noteIfNeed != null ? { note: noteIfNeed } : {}),
...(notification.type === 'reaction' ? {
reaction: notification.reaction,
} : {}),
...(notification.type === 'roleAssigned' ? {
role: role,
} : {}),
...(notification.type === 'achievementEarned' ? {
achievement: notification.achievement,
} : {}),
...(notification.type === 'app' ? {
body: notification.customBody,
header: notification.customHeader,
icon: notification.customIcon,
} : {}),
});
}
@bindThis
public async packMany(
notifications: MiNotification[],
meId: MiUser['id'],
): Promise<MiNotification[]> {
if (notifications.length === 0) return [];
let validNotifications = notifications;
validNotifications = await this.#filterValidNotifier(validNotifications, meId);
const noteIds = validNotifications.map(x => 'noteId' in x ? x.noteId : null).filter(isNotNull);
const notes = noteIds.length > 0 ? await this.notesRepository.find({
where: { id: In(noteIds) },
relations: ['user', 'reply', 'reply.user', 'renote', 'renote.user'],
}) : [];
const packedNotesArray = await this.noteEntityService.packMany(notes, { id: meId }, {
detail: true,
});
const packedNotes = new Map(packedNotesArray.map(p => [p.id, p]));
validNotifications = validNotifications.filter(x => !('noteId' in x) || packedNotes.has(x.noteId));
const userIds = validNotifications.map(x => 'notifierId' in x ? x.notifierId : null).filter(isNotNull);
const users = userIds.length > 0 ? await this.usersRepository.find({
where: { id: In(userIds) },
}) : [];
const packedUsersArray = await this.userEntityService.packMany(users, { id: meId });
const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
// 既に解決されたフォローリクエストの通知を除外
const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
if (followRequestNotifications.length > 0) {
const reqs = await this.followRequestsRepository.find({
where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
});
validNotifications = validNotifications.filter(x => (x.type !== 'receiveFollowRequest') || reqs.some(r => r.followerId === x.notifierId));
}
return (await Promise.all(validNotifications.map(x => this.pack(x, meId, { checkValidNotifier: false }, {
packedNotes,
packedUsers,
})))).filter(isNotNull);
}
@bindThis
public async packGrouped(
src: MiGroupedNotification,
meId: MiUser['id'],
// eslint-disable-next-line @typescript-eslint/ban-types
options: {
checkValidNotifier?: boolean;
},
hint?: {
packedNotes: Map<MiNote['id'], Packed<'Note'>>;
packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
},
): Promise<Packed<'Notification'> | null> {
const notification = src;
if ( options.checkValidNotifier !== false && !(await this.#isValidNotifier(notification, meId))) return null;
const needsNote = NOTE_REQUIRED_GROUPED_NOTIFICATION_TYPES.has(notification.type) && 'noteId' in notification;
const noteIfNeed = needsNote ? (
hint?.packedNotes != null
? hint.packedNotes.get(notification.noteId)
: this.noteEntityService.pack(notification.noteId, { id: meId }, {
detail: true,
})
) : undefined;
// if the note has been deleted, don't show this notification
if (needsNote && !noteIfNeed) {
return null;
}
const needsUser = 'notifierId' in notification;
const userIfNeed = needsUser ? (
hint?.packedUsers != null
? hint.packedUsers.get(notification.notifierId)
: this.userEntityService.pack(notification.notifierId, { id: meId })
) : undefined;
// if the user has been deleted, don't show this notification
if (needsUser && !userIfNeed) {
return null;
}
// #region Grouped notifications
if (notification.type === 'reaction:grouped') {
const reactions = (await Promise.all(notification.reactions.map(async reaction => {
const user = hint?.packedUsers != null
@ -257,6 +142,7 @@ export class NotificationEntityService implements OnModuleInit {
users,
});
}
// #endregion
const needsRole = notification.type === 'roleAssigned';
const role = needsRole ? await this.roleEntityService.pack(notification.roleId) : undefined;
@ -289,11 +175,10 @@ export class NotificationEntityService implements OnModuleInit {
});
}
@bindThis
public async packGroupedMany(
notifications: MiGroupedNotification[],
async #packManyInternal <T extends MiNotification | MiGroupedNotification> (
notifications: T[],
meId: MiUser['id'],
) : Promise<MiGroupedNotification[]> {
): Promise<T[]> {
if (notifications.length === 0) return [];
let validNotifications = notifications;
@ -325,7 +210,7 @@ export class NotificationEntityService implements OnModuleInit {
const packedUsers = new Map(packedUsersArray.map(p => [p.id, p]));
// 既に解決されたフォローリクエストの通知を除外
const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<MiGroupedNotification, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
const followRequestNotifications = validNotifications.filter((x): x is FilterUnionByProperty<T, 'type', 'receiveFollowRequest'> => x.type === 'receiveFollowRequest');
if (followRequestNotifications.length > 0) {
const reqs = await this.followRequestsRepository.find({
where: { followerId: In(followRequestNotifications.map(x => x.notifierId)) },
@ -339,12 +224,59 @@ export class NotificationEntityService implements OnModuleInit {
})))).filter(isNotNull);
}
@bindThis
public async pack(
src: MiNotification,
meId: MiUser['id'],
// eslint-disable-next-line @typescript-eslint/ban-types
options: {
checkValidNotifier?: boolean;
},
hint?: {
packedNotes: Map<MiNote['id'], Packed<'Note'>>;
packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
},
): Promise<Packed<'Notification'> | null> {
return this.#packInternal(src, meId, options, hint);
}
@bindThis
public async packMany(
notifications: MiNotification[],
meId: MiUser['id'],
): Promise<MiNotification[]> {
return await this.#packManyInternal(notifications, meId);
}
@bindThis
public async packGrouped(
src: MiGroupedNotification,
meId: MiUser['id'],
// eslint-disable-next-line @typescript-eslint/ban-types
options: {
checkValidNotifier?: boolean;
},
hint?: {
packedNotes: Map<MiNote['id'], Packed<'Note'>>;
packedUsers: Map<MiUser['id'], Packed<'UserLite'>>;
},
): Promise<Packed<'Notification'> | null> {
return await this.#packInternal(src, meId, options, hint);
}
@bindThis
public async packGroupedMany(
notifications: MiGroupedNotification[],
meId: MiUser['id'],
) : Promise<MiGroupedNotification[]> {
return await this.#packManyInternal(notifications, meId);
}
/**
* notifierが存在するかvalidator
*/
async #validateNotifier <T extends MiNotification | MiGroupedNotification> (
notification: T,
meId: MiUser['id'],
userIdsWhoMeMuting: Set<MiUser['id']>,
userMutedInstances: Set<string>,
): Promise<boolean> {
@ -375,7 +307,7 @@ export class NotificationEntityService implements OnModuleInit {
this.cacheService.userProfileCache.fetch(meId).then(p => new Set(p.mutedInstances)),
]);
return this.#validateNotifier(notification, meId, userIdsWhoMeMuting, userMutedInstances);
return this.#validateNotifier(notification, userIdsWhoMeMuting, userMutedInstances);
}
/**
@ -394,7 +326,7 @@ export class NotificationEntityService implements OnModuleInit {
]);
const filteredNotifications = ((await Promise.all(notifications.map(async (notification) => {
const isValid = await this.#validateNotifier(notification, meId, userIdsWhoMeMuting, userMutedInstances);
const isValid = await this.#validateNotifier(notification, userIdsWhoMeMuting, userMutedInstances);
return isValid ? notification : null;
}))) as [T|null] ).filter(isNotNull);

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@ -18,6 +18,7 @@
* achievementEarned -
* app -
* test -
*
*/
export const notificationTypes = [
'note',
@ -33,7 +34,10 @@ export const notificationTypes = [
'roleAssigned',
'achievementEarned',
'app',
'test'] as const;
'test',
'reaction:grouped',
'renote:grouped',
] as const;
export const obsoleteNotificationTypes = ['pollVote', 'groupInvited'] as const;
export const noteVisibilities = ['public', 'home', 'followers', 'specified'] as const;