src/database/entities/app/Inventory.ts

@@ -47,6 +47,14 @@ export default class Inventory extends AppBaseEntity {
         return single;
     }
 
+    public static async ExistsByCardNumberAndUserId(userId: string, cardNumber: string): Promise<boolean> {
+        const repository = AppDataSource.getRepository(Inventory);
+        
+        const count = await repository.count({ where: { UserId: userId, CardNumber: cardNumber }});
+
+        return count != 0;
+    }
+
     public static async FetchAllByUserId(userId: string): Promise<Inventory[]> {
         const repository = AppDataSource.getRepository(Inventory);
 

src/helpers/ImageHelper.ts

@@ -39,7 +39,7 @@ export default class ImageHelper {
             const imageData = await Jimp.read(filePath);
 
             if (userId != null) {
-                const claimed = await Inventory.FetchOneByCardNumberAndUserId(userId, card.id) != null;
+                const claimed = await Inventory.ExistsByCardNumberAndUserId(userId, card.id);
 
                 if (!claimed) {
                     imageData.greyscale();