Handle errors in vendor stock updates and inactive vendors

Add error handling during the stock update process to log and skip problematic vendors without halting execution. Additionally, ensure `get_vendor_instance` only returns active vendors, raising an error if the vendor is inactive. This improves system resilience and data integrity.

core/tasks.py

@@ -42,7 +42,10 @@ def update_products_task():
 
         for vendor_class in vendors_classes:
             vendor = vendor_class()
+            try:
                 vendor.update_stock()
+            except Exception as e:
+                logger.warning(f"Skipping {vendor_class} due to error: {e!s}")
 
         delete_stale()
 

core/vendors/__init__.py

@@ -148,7 +148,10 @@ class AbstractVendor:
 
     def get_vendor_instance(self):
         try:
-            return Vendor.objects.get(name=self.vendor_name)
+            vendor = Vendor.objects.get(name=self.vendor_name)
+            if vendor.is_active:
+                return vendor
+            raise VendorError(f"Vendor {self.vendor_name!r} is inactive...")
         except Vendor.DoesNotExist:
             raise Exception(f"No matching vendor found with name {self.vendor_name!r}...")