Refactor: move service logic out of api routes and into separate files

src/services/BeerComment/editBeerCommentById.ts

@@ -0,0 +1,22 @@
+import DBClient from '@/prisma/DBClient';
+
+interface EditBeerCommentByIdArgs {
+  id: string;
+  content: string;
+  rating: number;
+}
+
+const editBeerCommentById = async ({ id, content, rating }: EditBeerCommentByIdArgs) => {
+  const updated = await DBClient.instance.beerComment.update({
+    where: { id },
+    data: {
+      content,
+      rating,
+      updatedAt: new Date(),
+    },
+  });
+
+  return updated;
+};
+
+export default editBeerCommentById;

src/services/BeerComment/findBeerCommentById.ts

@@ -0,0 +1,11 @@
+import DBClient from '@/prisma/DBClient';
+
+const findBeerCommentById = async (id: string) => {
+  const comment = await DBClient.instance.beerComment.findUnique({
+    where: { id },
+  });
+
+  return comment;
+};
+
+export default findBeerCommentById;

src/services/BeerImage/processImageDataIntoDB.ts

@@ -0,0 +1,39 @@
+import DBClient from '@/prisma/DBClient';
+import { BeerImage } from '@prisma/client';
+import { z } from 'zod';
+import ImageMetadataValidationSchema from '../types/ImageSchema/ImageMetadataValidationSchema';
+
+interface ProcessImageDataArgs {
+  files: Express.Multer.File[];
+  alt: z.infer<typeof ImageMetadataValidationSchema>['alt'];
+  caption: z.infer<typeof ImageMetadataValidationSchema>['caption'];
+  beerPostId: string;
+  userId: string;
+}
+
+const processImageDataIntoDB = ({
+  alt,
+  caption,
+  files,
+  beerPostId,
+  userId,
+}: ProcessImageDataArgs) => {
+  const beerImagePromises: Promise<BeerImage>[] = [];
+  files.forEach((file) => {
+    beerImagePromises.push(
+      DBClient.instance.beerImage.create({
+        data: {
+          alt,
+          caption,
+          postedBy: { connect: { id: userId } },
+          beerPost: { connect: { id: beerPostId } },
+          path: file.path,
+        },
+      }),
+    );
+  });
+
+  return Promise.all(beerImagePromises);
+};
+
+export default processImageDataIntoDB;

src/services/BeerPostLike/findBeerPostLikeById.ts

@@ -1,6 +1,14 @@
 import DBClient from '@/prisma/DBClient';
 
-const findBeerPostLikeById = async (beerPostId: string, likedById: string) =>
+interface FindBeerPostLikeByIdArgs {
+  beerPostId: string;
+  likedById: string;
+}
+
+const findBeerPostLikeById = async ({
+  beerPostId,
+  likedById,
+}: FindBeerPostLikeByIdArgs) =>
   DBClient.instance.beerPostLike.findFirst({ where: { beerPostId, likedById } });
 
 export default findBeerPostLikeById;

src/services/types/ImageSchema/ImageMetadataValidationSchema.ts

@@ -0,0 +1,8 @@
+import { z } from 'zod';
+
+const ImageMetadataValidationSchema = z.object({
+  caption: z.string().min(1, { message: 'Caption is required.' }),
+  alt: z.string().min(1, { message: 'Alt text is required.' }),
+});
+
+export default ImageMetadataValidationSchema;