[datasets] new, API using command pattern (#9129)

* [datasets] new, API using command pattern

* [datasets] tests and improvements

* [datasets] lint

* [database] address comments

* [datasets] lint

* [datasets] Address PR comments

* [dataset] Fix, dataset expects a Dict now

* [dataset] lint and optional commits

* [dataset] mypy

* [dataset] Fix, license and parent class

* [dataset] Make CRUD DAO raise exceptions

superset/datasets/commands/exceptions.py

@@ -0,0 +1,103 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from flask_babel import lazy_gettext as _
+from marshmallow.validate import ValidationError
+
+from superset.commands.exceptions import (
+    CommandException,
+    CommandInvalidError,
+    CreateFailedError,
+    DeleteFailedError,
+    ForbiddenError,
+    UpdateFailedError,
+)
+from superset.views.base import get_datasource_exist_error_msg
+
+
+class DatabaseNotFoundValidationError(ValidationError):
+    """
+    Marshmallow validation error for database does not exist
+    """
+
+    def __init__(self):
+        super().__init__(_("Database does not exist"), field_names=["database"])
+
+
+class DatabaseChangeValidationError(ValidationError):
+    """
+    Marshmallow validation error database changes are not allowed on update
+    """
+
+    def __init__(self):
+        super().__init__(_("Database not allowed to change"), field_names=["database"])
+
+
+class DatasetExistsValidationError(ValidationError):
+    """
+    Marshmallow validation error for dataset already exists
+    """
+
+    def __init__(self, table_name: str):
+        super().__init__(
+            get_datasource_exist_error_msg(table_name), field_names=["table_name"]
+        )
+
+
+class TableNotFoundValidationError(ValidationError):
+    """
+    Marshmallow validation error when a table does not exist on the database
+    """
+
+    def __init__(self, table_name: str):
+        super().__init__(
+            _(
+                f"Table [{table_name}] could not be found, "
+                "please double check your "
+                "database connection, schema, and "
+                f"table name"
+            ),
+            field_names=["table_name"],
+        )
+
+
+class OwnersNotFoundValidationError(ValidationError):
+    def __init__(self):
+        super().__init__(_("Owners are invalid"), field_names=["owners"])
+
+
+class DatasetNotFoundError(CommandException):
+    message = "Dataset not found."
+
+
+class DatasetInvalidError(CommandInvalidError):
+    message = _("Dataset parameters are invalid.")
+
+
+class DatasetCreateFailedError(CreateFailedError):
+    message = _("Dataset could not be created.")
+
+
+class DatasetUpdateFailedError(UpdateFailedError):
+    message = _("Dataset could not be updated.")
+
+
+class DatasetDeleteFailedError(DeleteFailedError):
+    message = _("Dataset could not be deleted.")
+
+
+class DatasetForbiddenError(ForbiddenError):
+    message = _("Changing this dataset is forbidden")