feat: add beer style likes

src/pages/api/beers/styles/[id]/like/index.ts

@@ -0,0 +1,86 @@
+import { createRouter } from 'next-connect';
+import { z } from 'zod';
+import { NextApiRequest, NextApiResponse } from 'next';
+
+import APIResponseValidationSchema from '@/validation/APIResponseValidationSchema';
+
+import validateRequest from '@/config/nextConnect/middleware/validateRequest';
+import { UserExtendedNextApiRequest } from '@/config/auth/types';
+import ServerError from '@/config/util/ServerError';
+import getCurrentUser from '@/config/nextConnect/middleware/getCurrentUser';
+import NextConnectOptions from '@/config/nextConnect/NextConnectOptions';
+
+import getBeerStyleById from '@/services/BeerStyles/getBeerStyleById';
+import findBeerStyleLikeById from '@/services/BeerStyleLike/findBeerStyleLikeById';
+import getBeerStyleLikeCount from '@/services/BeerStyleLike/getBeerStyleLikeCount';
+import createBeerStyleLike from '@/services/BeerStyleLike/createBeerStyleLike';
+import removeBeerStyleLikeById from '@/services/BeerStyleLike/removeBeerStyleLikeById';
+
+const sendLikeRequest = async (
+  req: UserExtendedNextApiRequest,
+  res: NextApiResponse<z.infer<typeof APIResponseValidationSchema>>,
+) => {
+  const user = req.user!;
+  const id = req.query.id as string;
+
+  const beerStyle = await getBeerStyleById(id);
+  if (!beerStyle) {
+    throw new ServerError('Could not find a beer style with that id', 404);
+  }
+
+  const alreadyLiked = await findBeerStyleLikeById({
+    beerStyleId: beerStyle.id,
+    likedById: user.id,
+  });
+
+  const jsonResponse = {
+    success: true as const,
+    message: '',
+    statusCode: 200 as const,
+  };
+
+  if (alreadyLiked) {
+    await removeBeerStyleLikeById({ beerStyleLikeId: alreadyLiked.id });
+    jsonResponse.message = 'Successfully unliked beer style.';
+  } else {
+    await createBeerStyleLike({ beerStyleId: beerStyle.id, user });
+    jsonResponse.message = 'Successfully liked beer style.';
+  }
+
+  res.status(200).json(jsonResponse);
+};
+
+const getLikeCount = async (
+  req: NextApiRequest,
+  res: NextApiResponse<z.infer<typeof APIResponseValidationSchema>>,
+) => {
+  const id = req.query.id as string;
+
+  const likeCount = await getBeerStyleLikeCount({ beerStyleId: id });
+  res.status(200).json({
+    success: true,
+    message: 'Successfully retrieved like count.',
+    statusCode: 200,
+    payload: { likeCount },
+  });
+};
+
+const router = createRouter<
+  UserExtendedNextApiRequest,
+  NextApiResponse<z.infer<typeof APIResponseValidationSchema>>
+>();
+
+router.post(
+  getCurrentUser,
+  validateRequest({ querySchema: z.object({ id: z.string().cuid() }) }),
+  sendLikeRequest,
+);
+
+router.get(
+  validateRequest({ querySchema: z.object({ id: z.string().cuid() }) }),
+  getLikeCount,
+);
+
+const handler = router.handler(NextConnectOptions);
+
+export default handler;

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

@@ -0,0 +1,53 @@
+import getCurrentUser from '@/config/nextConnect/middleware/getCurrentUser';
+import { UserExtendedNextApiRequest } from '@/config/auth/types';
+import NextConnectOptions from '@/config/nextConnect/NextConnectOptions';
+import validateRequest from '@/config/nextConnect/middleware/validateRequest';
+import APIResponseValidationSchema from '@/validation/APIResponseValidationSchema';
+import { NextApiResponse } from 'next';
+import { createRouter } from 'next-connect';
+import { z } from 'zod';
+import DBClient from '@/prisma/DBClient';
+
+interface FindBeerStyleLikeByIdArgs {
+  beerStyleId: string;
+  likedById: string;
+}
+
+const findBeerStyleLikeById = async ({
+  beerStyleId,
+  likedById,
+}: FindBeerStyleLikeByIdArgs) => {
+  return DBClient.instance.beerStyleLike.findFirst({
+    where: { beerStyleId, likedById },
+  });
+};
+
+const checkIfLiked = async (
+  req: UserExtendedNextApiRequest,
+  res: NextApiResponse<z.infer<typeof APIResponseValidationSchema>>,
+) => {
+  const user = req.user!;
+  const beerStyleId = req.query.id as string;
+
+  const alreadyLiked = await findBeerStyleLikeById({ beerStyleId, likedById: user.id });
+  res.status(200).json({
+    success: true,
+    message: alreadyLiked ? 'Beer style is liked.' : 'Beer style 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().cuid() }) }),
+  checkIfLiked,
+);
+
+const handler = router.handler(NextConnectOptions);
+export default handler;