MisskeyPlay (#9467)

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* Update ui.ts

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* Update CHANGELOG.md

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* :art:

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1 files changed, 87 insertions, 0 deletions

diff --git a/packages/backend/src/server/api/endpoints/flash/like.ts b/packages/backend/src/server/api/endpoints/flash/like.ts
new file mode 100644
index 0000000000..5581b8ec60
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/flash/like.ts
@@ -0,0 +1,87 @@
+import { Inject, Injectable } from '@nestjs/common';
+import type { FlashsRepository, FlashLikesRepository } from '@/models/index.js';
+import { IdService } from '@/core/IdService.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: ['flash'],
+
+	requireCredential: true,
+
+	kind: 'write:flash-likes',
+
+	errors: {
+		noSuchFlash: {
+			message: 'No such flash.',
+			code: 'NO_SUCH_FLASH',
+			id: 'c07c1491-9161-4c5c-9d75-01906f911f73',
+		},
+
+		yourFlash: {
+			message: 'You cannot like your flash.',
+			code: 'YOUR_FLASH',
+			id: '3fd8a0e7-5955-4ba9-85bb-bf3e0c30e13b',
+		},
+
+		alreadyLiked: {
+			message: 'The flash has already been liked.',
+			code: 'ALREADY_LIKED',
+			id: '010065cf-ad43-40df-8067-abff9f4686e3',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		flashId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['flashId'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor(
+		@Inject(DI.flashsRepository)
+		private flashsRepository: FlashsRepository,
+
+		@Inject(DI.flashLikesRepository)
+		private flashLikesRepository: FlashLikesRepository,
+
+		private idService: IdService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const flash = await this.flashsRepository.findOneBy({ id: ps.flashId });
+			if (flash == null) {
+				throw new ApiError(meta.errors.noSuchFlash);
+			}
+
+			if (flash.userId === me.id) {
+				throw new ApiError(meta.errors.yourFlash);
+			}
+
+			// if already liked
+			const exist = await this.flashLikesRepository.findOneBy({
+				flashId: flash.id,
+				userId: me.id,
+			});
+
+			if (exist != null) {
+				throw new ApiError(meta.errors.alreadyLiked);
+			}
+
+			// Create like
+			await this.flashLikesRepository.insert({
+				id: this.idService.genId(),
+				createdAt: new Date(),
+				flashId: flash.id,
+				userId: me.id,
+			});
+
+			this.flashsRepository.increment({ id: flash.id }, 'likedCount', 1);
+		});
+	}
+}