Refactor: begin reorganizing services dir.

- Renamed files and directories to reflect the new structure
- Moved comment-related services to the 'comments' directory
- Moved image-related services to the 'images' directory
- Moved like-related services to the 'likes' directory
- Moved post-related services to the 'posts' directory
- Moved user-related services to the 'users' directory

src/services/users/User/findUserById.ts

@@ -0,0 +1,37 @@
+import DBClient from '@/prisma/DBClient';
+import { z } from 'zod';
+import GetUserSchema from './schema/GetUserSchema';
+
+const findUserById = async (id: string) => {
+  const user: z.infer<typeof GetUserSchema> | null =
+    await DBClient.instance.user.findUnique({
+      where: { id },
+      select: {
+        id: true,
+        username: true,
+        email: true,
+        firstName: true,
+        lastName: true,
+        dateOfBirth: true,
+        createdAt: true,
+        accountIsVerified: true,
+        updatedAt: true,
+        role: true,
+        userAvatar: {
+          select: {
+            path: true,
+            alt: true,
+            caption: true,
+            createdAt: true,
+            id: true,
+            updatedAt: true,
+          },
+        },
+        bio: true,
+      },
+    });
+
+  return user;
+};
+
+export default findUserById;