Continue work on brewery page, implement like system

src/pages/api/breweries/[id]/like/is-liked.ts

@@ -0,0 +1,49 @@
+import { UserExtendedNextApiRequest } from '@/config/auth/types';
+import NextConnectOptions from '@/config/nextConnect/NextConnectOptions';
+import getCurrentUser from '@/config/nextConnect/middleware/getCurrentUser';
+import validateRequest from '@/config/nextConnect/middleware/validateRequest';
+import DBClient from '@/prisma/DBClient';
+import APIResponseValidationSchema from '@/validation/APIResponseValidationSchema';
+import { NextApiResponse } from 'next';
+import { createRouter } from 'next-connect';
+import { z } from 'zod';
+
+const checkIfLiked = async (
+  req: UserExtendedNextApiRequest,
+  res: NextApiResponse<z.infer<typeof APIResponseValidationSchema>>,
+) => {
+  const user = req.user!;
+  const id = req.query.id as string;
+
+  const alreadyLiked = await DBClient.instance.breweryPostLike.findFirst({
+    where: {
+      breweryPostId: id,
+      likedById: user.id,
+    },
+  });
+
+  res.status(200).json({
+    success: true,
+    message: alreadyLiked ? 'Brewery post is liked.' : 'Brewery post is not liked.',
+    statusCode: 200,
+    payload: { isLiked: !!alreadyLiked },
+  });
+};
+
+const router = createRouter<
+  UserExtendedNextApiRequest,
+  NextApiResponse<z.infer<typeof APIResponseValidationSchema>>
+>();
+
+router.get(
+  getCurrentUser,
+  validateRequest({
+    querySchema: z.object({
+      id: z.string().uuid(),
+    }),
+  }),
+  checkIfLiked,
+);
+
+const handler = router.handler(NextConnectOptions);
+export default handler;