fix(service): add proper error if a dataset can't be found (#3661)

Author: Panaetius

renku/ui/service/errors.py

@@ -121,7 +121,7 @@ def _handle_sentry(self):
                         sentry_target = sentry_url.netloc.split("@")[-1]
                         # NOTE: sentry doesn't support a global search. A proper link would require the specific org
                         sentry = f"{sentry_url.scheme }://{sentry_target}/organizations/sentry?query={sentry}"
-                    except Exception:
+                    except Exception:  # nosec
                         pass
             except KeyError as e:
                 sentry = f"Unexpected error while reporting to Sentry: {str(e)}"
@@ -348,6 +348,19 @@ def __init__(self, exception=None):
         super().__init__(exception=exception)
 
 
+class UserDatasetsNotFoundError(ServiceError):
+    """Dataset couldn't be found in project."""
+
+    code = SVC_ERROR_USER + 133
+    userMessage = (
+        "The dataset doesn't exist in the project. Please check your inputs or create the target dataset first."
+    )
+    devMessage = "The dataset couldn't be found in the project."
+
+    def __init__(self, exception=None):
+        super().__init__(exception=exception)
+
+
 class UserOutdatedProjectError(ServiceError):
     """The operation can be done only after updating the target project."""
 

renku/ui/service/views/error_handlers.py

@@ -28,6 +28,7 @@
     AuthenticationError,
     DatasetExistsError,
     DatasetImageError,
+    DatasetNotFound,
     DockerfileUpdateError,
     GitCommandError,
     GitError,
@@ -65,6 +66,7 @@
     ProgramUpdateProjectError,
     ServiceError,
     UserDatasetsMultipleImagesError,
+    UserDatasetsNotFoundError,
     UserDatasetsUnlinkError,
     UserDatasetsUnreachableImageError,
     UserInvalidGenericFieldsError,
@@ -368,6 +370,8 @@ def decorated_function(*args, **kwargs):
                 if "".join(value) == "Field may not be null.":
                     raise UserMissingFieldError(e, key)
             raise
+        except DatasetNotFound as e:
+            raise UserDatasetsNotFoundError(e)
         except DatasetExistsError as e:
             raise IntermittentDatasetExistsError(e)
         except RenkuException as e: