feat: reversi

Resolve #12962

packages/backend/src/server/api/endpoints/reversi/show-game.ts

@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { ReversiService } from '@/core/ReversiService.js';
+import { ReversiGameEntityService } from '@/core/entities/ReversiGameEntityService.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	requireCredential: false,
+
+	errors: {
+		noSuchGame: {
+			message: 'No such game.',
+			code: 'NO_SUCH_GAME',
+			id: 'f13a03db-fae1-46c9-87f3-43c8165419e1',
+		},
+	},
+
+	res: {
+		type: 'object',
+		optional: false, nullable: false,
+		ref: 'ReversiGameDetailed',
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		gameId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['gameId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private reversiService: ReversiService,
+		private reversiGameEntityService: ReversiGameEntityService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const game = await this.reversiService.get(ps.gameId);
+
+			if (game == null) {
+				throw new ApiError(meta.errors.noSuchGame);
+			}
+
+			return await this.reversiGameEntityService.packDetail(game, me);
+		});
+	}
+}