rewrite

app/api/collections/route.ts

@@ -15,21 +15,33 @@ export async function GET(request: Request) {
     is_admin = await isAdmin(headers) as boolean
   }
 
-  const collections = await prisma.collection.findMany({
+  const query: Record<string, any> =  {
     orderBy: {
       id: 'desc'
     },
-    where: {
+    take: 15,
+    skip: page * 15
+  }
+
+  if (userId) {
+    query.where = {
       userId: {
         equals: userId
       },
       is_visible: {
-        equals: userId ? true : is_admin ? undefined : true
+        equals: true
       }
-    },
-    take: 15,
-    skip: page * 15
-  })
+    }
+  }
+  if (!is_admin) {
+    query.where = {
+      is_visible: {
+        equals: true
+      }
+    }
+  }
+
+  const collections = await prisma.collection.findMany(query)
 
   const total = await prisma.collection.count()