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/show.ts

@@ -0,0 +1,60 @@
+import { IsNull } from 'typeorm';
+import { Inject, Injectable } from '@nestjs/common';
+import type { UsersRepository, FlashsRepository } from '@/models/index.js';
+import type { Flash } from '@/models/entities/Flash.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { FlashEntityService } from '@/core/entities/FlashEntityService.js';
+import { DI } from '@/di-symbols.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: ['flashs'],
+
+	requireCredential: false,
+
+	res: {
+		type: 'object',
+		optional: false, nullable: false,
+		ref: 'Flash',
+	},
+
+	errors: {
+		noSuchFlash: {
+			message: 'No such flash.',
+			code: 'NO_SUCH_FLASH',
+			id: 'f0d34a1a-d29a-401d-90ba-1982122b5630',
+		},
+	},
+} 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.usersRepository)
+		private usersRepository: UsersRepository,
+
+		@Inject(DI.flashsRepository)
+		private flashsRepository: FlashsRepository,
+
+		private flashEntityService: FlashEntityService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const flash = await this.flashsRepository.findOneBy({ id: ps.flashId });
+
+			if (flash == null) {
+				throw new ApiError(meta.errors.noSuchFlash);
+			}
+
+			return await this.flashEntityService.pack(flash, me);
+		});
+	}
+}