added zod for post requests

lib/api/controllers/collections/postCollection.ts

@@ -1,16 +1,26 @@
 import { prisma } from "@/lib/api/db";
-import { CollectionIncludingMembersAndLinkCount } from "@/types/global";
 import createFolder from "@/lib/api/storage/createFolder";
+import {
+  PostCollectionSchema,
+  PostCollectionSchemaType,
+} from "@/lib/shared/schemaValidation";
 
 export default async function postCollection(
-  collection: CollectionIncludingMembersAndLinkCount,
+  body: PostCollectionSchemaType,
   userId: number
 ) {
-  if (!collection || collection.name.trim() === "")
+  const dataValidation = PostCollectionSchema.safeParse(body);
+
+  if (!dataValidation.success) {
     return {
-      response: "Please enter a valid collection.",
+      response: `Error: ${
+        dataValidation.error.issues[0].message
+      } [${dataValidation.error.issues[0].path.join(", ")}]`,
       status: 400,
     };
+  }
+
+  const collection = dataValidation.data;
 
   if (collection.parentId) {
     const findParentCollection = await prisma.collection.findUnique({