Move endpoints to routes & preparations to use a database.

gns3server/api/routes/controller/snapshots.py

@@ -0,0 +1,97 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 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/>.
+
+"""
+API routes for snapshots.
+"""
+
+import logging
+log = logging.getLogger()
+
+from fastapi import APIRouter, Depends, status
+from typing import List
+from uuid import UUID
+
+from gns3server.controller.project import Project
+from gns3server import schemas
+from gns3server.controller import Controller
+
+router = APIRouter()
+
+responses = {
+    404: {"model": schemas.ErrorMessage, "description": "Could not find project or snapshot"}
+}
+
+
+def dep_project(project_id: UUID):
+    """
+    Dependency to retrieve a project.
+    """
+
+    project = Controller.instance().get_project(str(project_id))
+    return project
+
+
+@router.post("",
+             status_code=status.HTTP_201_CREATED,
+             response_model=schemas.Snapshot,
+             responses=responses)
+async def create_snapshot(snapshot_data: schemas.SnapshotCreate, project: Project = Depends(dep_project)):
+    """
+    Create a new snapshot of a project.
+    """
+
+    snapshot = await project.snapshot(snapshot_data.name)
+    return snapshot.__json__()
+
+
+@router.get("",
+            response_model=List[schemas.Snapshot],
+            response_model_exclude_unset=True,
+            responses=responses)
+def get_snapshots(project: Project = Depends(dep_project)):
+    """
+    Return all snapshots belonging to a given project.
+    """
+
+    snapshots = [s for s in project.snapshots.values()]
+    return [s.__json__() for s in sorted(snapshots, key=lambda s: (s.created_at, s.name))]
+
+
+@router.delete("/{snapshot_id}",
+               status_code=status.HTTP_204_NO_CONTENT,
+               responses=responses)
+async def delete_snapshot(snapshot_id: UUID, project: Project = Depends(dep_project)):
+    """
+    Delete a snapshot.
+    """
+
+    await project.delete_snapshot(str(snapshot_id))
+
+
+@router.post("/{snapshot_id}/restore",
+             status_code=status.HTTP_201_CREATED,
+             response_model=schemas.Project,
+             responses=responses)
+async def restore_snapshot(snapshot_id: UUID, project: Project = Depends(dep_project)):
+    """
+    Restore a snapshot.
+    """
+
+    snapshot = project.get_snapshot(str(snapshot_id))
+    project = await snapshot.restore()
+    return project.__json__()