Sharkey/packages/backend/src/core/entities/PageEntityService.ts

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import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
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import type { DriveFilesRepository, PagesRepository, PageLikesRepository } from '@/models/index.js';
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import { awaitAll } from '@/misc/prelude/await-all.js';
import type { Packed } from '@/misc/schema.js';
import type { } from '@/models/entities/Blocking.js';
import type { User } from '@/models/entities/User.js';
import type { Page } from '@/models/entities/Page.js';
import type { DriveFile } from '@/models/entities/DriveFile.js';
import { UserEntityService } from './UserEntityService.js';
import { DriveFileEntityService } from './DriveFileEntityService.js';
@Injectable()
export class PageEntityService {
constructor(
@Inject(DI.pagesRepository)
private pagesRepository: PagesRepository,
@Inject(DI.pageLikesRepository)
private pageLikesRepository: PageLikesRepository,
@Inject(DI.driveFilesRepository)
private driveFilesRepository: DriveFilesRepository,
private userEntityService: UserEntityService,
private driveFileEntityService: DriveFileEntityService,
) {
}
public async pack(
src: Page['id'] | Page,
me?: { id: User['id'] } | null | undefined,
): Promise<Packed<'Page'>> {
const meId = me ? me.id : null;
const page = typeof src === 'object' ? src : await this.pagesRepository.findOneByOrFail({ id: src });
const attachedFiles: Promise<DriveFile | null>[] = [];
const collectFile = (xs: any[]) => {
for (const x of xs) {
if (x.type === 'image') {
attachedFiles.push(this.driveFilesRepository.findOneBy({
id: x.fileId,
userId: page.userId,
}));
}
if (x.children) {
collectFile(x.children);
}
}
};
collectFile(page.content);
// 後方互換性のため
let migrated = false;
const migrate = (xs: any[]) => {
for (const x of xs) {
if (x.type === 'input') {
if (x.inputType === 'text') {
x.type = 'textInput';
}
if (x.inputType === 'number') {
x.type = 'numberInput';
if (x.default) x.default = parseInt(x.default, 10);
}
migrated = true;
}
if (x.children) {
migrate(x.children);
}
}
};
migrate(page.content);
if (migrated) {
this.pagesRepository.update(page.id, {
content: page.content,
});
}
return await awaitAll({
id: page.id,
createdAt: page.createdAt.toISOString(),
updatedAt: page.updatedAt.toISOString(),
userId: page.userId,
user: this.userEntityService.pack(page.user ?? page.userId, me), // { detail: true } すると無限ループするので注意
content: page.content,
variables: page.variables,
title: page.title,
name: page.name,
summary: page.summary,
hideTitleWhenPinned: page.hideTitleWhenPinned,
alignCenter: page.alignCenter,
font: page.font,
script: page.script,
eyeCatchingImageId: page.eyeCatchingImageId,
eyeCatchingImage: page.eyeCatchingImageId ? await this.driveFileEntityService.pack(page.eyeCatchingImageId) : null,
attachedFiles: this.driveFileEntityService.packMany((await Promise.all(attachedFiles)).filter((x): x is DriveFile => x != null)),
likedCount: page.likedCount,
isLiked: meId ? await this.pageLikesRepository.findOneBy({ pageId: page.id, userId: meId }).then(x => x != null) : undefined,
});
}
public packMany(
pages: Page[],
me?: { id: User['id'] } | null | undefined,
) {
return Promise.all(pages.map(x => this.pack(x, me)));
}
}