Start refactoring for images management

gns3server/schemas/controller/images.py

@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2021 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from pydantic import BaseModel, Field
+from enum import Enum
+
+from .base import DateTimeModelMixin
+
+
+class ImageType(str, Enum):
+
+    qemu = "qemu"
+    ios = "ios"
+    iou = "iou"
+
+
+class ImageBase(BaseModel):
+    """
+    Common image properties.
+    """
+
+    filename: str = Field(..., description="Image name")
+    image_type: ImageType = Field(..., description="Image type")
+    checksum: str = Field(..., description="Checksum value")
+    checksum_algorithm: str = Field(..., description="Checksum algorithm")
+
+
+class Image(DateTimeModelMixin, ImageBase):
+
+    class Config:
+        orm_mode = True