major refactoring adding vendor and customer features

app/services/vendor_service.py

@@ -77,7 +77,7 @@ class VendorService:
 
             new_vendor = Vendor(
                 **vendor_dict,
-                owner_id=current_user.id,
+                owner_user_id=current_user.id,
                 is_active=True,
                 is_verified=(current_user.role == "admin"),
             )
@@ -129,7 +129,7 @@ class VendorService:
             if current_user.role != "admin":
                 query = query.filter(
                     (Vendor.is_active == True)
-                    & ((Vendor.is_verified == True) | (Vendor.owner_id == current_user.id))
+                    & ((Vendor.is_verified == True) | (Vendor.owner_user_id == current_user.id))
                 )
             else:
                 # Admin can apply filters
@@ -295,7 +295,7 @@ class VendorService:
             raise InvalidVendorDataException("Vendor code is required", field="vendor_code")
 
         if not vendor_data.vendor_name or not vendor_data.vendor_name.strip():
-            raise InvalidVendorDataException("Vendor name is required", field="vendor_name")
+            raise InvalidVendorDataException("Vendor name is required", field="name")
 
         # Validate vendor code format (alphanumeric, underscores, hyphens)
         import re
@@ -310,7 +310,7 @@ class VendorService:
         if user.role == "admin":
             return  # Admins have no limit
 
-        user_vendor_count = db.query(Vendor).filter(Vendor.owner_id == user.id).count()
+        user_vendor_count = db.query(Vendor).filter(Vendor.owner_user_id == user.id).count()
         max_vendors = 5  # Configure this as needed
 
         if user_vendor_count >= max_vendors:
@@ -345,7 +345,7 @@ class VendorService:
     def _can_access_vendor(self, vendor : Vendor, user: User) -> bool:
         """Check if user can access vendor."""
         # Admins and owners can always access
-        if user.role == "admin" or vendor.owner_id == user.id:
+        if user.role == "admin" or vendor.owner_user_id == user.id:
             return True
 
         # Others can only access active and verified vendors
@@ -353,7 +353,7 @@ class VendorService:
 
     def _is_vendor_owner(self, vendor : Vendor, user: User) -> bool:
         """Check if user is vendor owner."""
-        return vendor.owner_id == user.id
+        return vendor.owner_user_id == user.id
 
 # Create service instance following the same pattern as other services
 vendor_service = VendorService()