src/utils/prisma-exception.utils.ts

@@ -115,6 +115,10 @@ export function handlePrismaError(error: unknown): never {
         throw new AppException(`Prisma validation error: ${error.message}`, 404);
     }
 
+    if (error instanceof AppException) {
+        throw error;
+    }
+
     // Fallback for anything else
     throw new AppException('Unexpected database error.', 500);
 }

src/utils/prisma-seed.util.ts

@@ -116,6 +116,7 @@ export const seedWithRelation = async <
 export type ForeignKeyConfig<ChildType> = {
   parentModel: keyof PrismaClient;
   parentLookupKey: string;
+  parentPrimaryKey?: string;
   childReferenceKey: keyof ChildType;
   childForeignKeyField: keyof ChildType;
 };
@@ -141,7 +142,8 @@ export const seedWithMultipleParents = async <
 
     const map = new Map<any, any>();
     for (const parent of parents) {
-            map.set(parent[fk.parentLookupKey], parent.id);
+      const id = fk.parentPrimaryKey ?? "id";
+      map.set(parent[fk.parentLookupKey], parent[id]);
     }
 
     lookupMaps[String(fk.parentModel)] = map;