marketplace refactoring

app/exceptions/marketplace_product.py

@@ -0,0 +1,102 @@
+# app/exceptions/marketplace_products.py
+"""
+MarketplaceProduct management specific exceptions.
+"""
+
+from typing import Any, Dict, Optional
+from .base import ResourceNotFoundException, ConflictException, ValidationException, BusinessLogicException
+
+
+class MarketplaceProductNotFoundException(ResourceNotFoundException):
+    """Raised when a product is not found."""
+
+    def __init__(self, marketplace_product_id: str):
+        super().__init__(
+            resource_type="MarketplaceProduct",
+            identifier=marketplace_product_id,
+            message=f"MarketplaceProduct with ID '{marketplace_product_id}' not found",
+            error_code="PRODUCT_NOT_FOUND",
+        )
+
+
+class MarketplaceProductAlreadyExistsException(ConflictException):
+    """Raised when trying to create a product that already exists."""
+
+    def __init__(self, marketplace_product_id: str):
+        super().__init__(
+            message=f"MarketplaceProduct with ID '{marketplace_product_id}' already exists",
+            error_code="PRODUCT_ALREADY_EXISTS",
+            details={"marketplace_product_id": marketplace_product_id},
+        )
+
+
+class InvalidMarketplaceProductDataException(ValidationException):
+    """Raised when product data is invalid."""
+
+    def __init__(
+            self,
+            message: str = "Invalid product data",
+            field: Optional[str] = None,
+            details: Optional[Dict[str, Any]] = None,
+    ):
+        super().__init__(
+            message=message,
+            field=field,
+            details=details,
+        )
+        self.error_code = "INVALID_PRODUCT_DATA"
+
+
+class MarketplaceProductValidationException(ValidationException):
+    """Raised when product validation fails."""
+
+    def __init__(
+            self,
+            message: str,
+            field: Optional[str] = None,
+            validation_errors: Optional[Dict[str, str]] = None,
+    ):
+        details = {}
+        if validation_errors:
+            details["validation_errors"] = validation_errors
+
+        super().__init__(
+            message=message,
+            field=field,
+            details=details,
+        )
+        self.error_code = "PRODUCT_VALIDATION_FAILED"
+
+
+class InvalidGTINException(ValidationException):
+    """Raised when GTIN format is invalid."""
+
+    def __init__(self, gtin: str, message: str = "Invalid GTIN format"):
+        super().__init__(
+            message=f"{message}: {gtin}",
+            field="gtin",
+            details={"gtin": gtin},
+        )
+        self.error_code = "INVALID_GTIN"
+
+
+class MarketplaceProductCSVImportException(BusinessLogicException):
+    """Raised when product CSV import fails."""
+
+    def __init__(
+            self,
+            message: str = "MarketplaceProduct CSV import failed",
+            row_number: Optional[int] = None,
+            errors: Optional[Dict[str, Any]] = None,
+    ):
+        details = {}
+        if row_number:
+            details["row_number"] = row_number
+        if errors:
+            details["errors"] = errors
+
+        super().__init__(
+            message=message,
+            error_code="PRODUCT_CSV_IMPORT_FAILED",
+            details=details,
+        )