MisskeyPlay (#9467)

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* Update ui.ts

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* Update CHANGELOG.md

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* 🎨

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packages/backend/src/server/api/endpoints/flash/unlike.ts

@@ -0,0 +1,68 @@
+import { Inject, Injectable } from '@nestjs/common';
+import type { FlashsRepository, FlashLikesRepository } from '@/models/index.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: 'afe8424a-a69e-432d-a5f2-2f0740c62410',
+		},
+
+		notLiked: {
+			message: 'You have not liked that flash.',
+			code: 'NOT_LIKED',
+			id: '755f25a7-9871-4f65-9f34-51eaad9ae0ac',
+		},
+	},
+} 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,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const flash = await this.flashsRepository.findOneBy({ id: ps.flashId });
+			if (flash == null) {
+				throw new ApiError(meta.errors.noSuchFlash);
+			}
+
+			const exist = await this.flashLikesRepository.findOneBy({
+				flashId: flash.id,
+				userId: me.id,
+			});
+
+			if (exist == null) {
+				throw new ApiError(meta.errors.notLiked);
+			}
+
+			// Delete like
+			await this.flashLikesRepository.delete(exist.id);
+
+			this.flashsRepository.decrement({ id: flash.id }, 'likedCount', 1);
+		});
+	}
+}