Send a project closed event when project close

Ref #602

docs/notifications.rst

@@ -126,6 +126,15 @@ Drawing has been deleted.
 .. literalinclude:: api/notifications/drawing.deleted.json
 
 
+project.closed
+---------------
+
+Project has been closed.
+
+.. literalinclude:: api/notifications/project.closed.json
+
+
+
 log.error
 ---------
 

gns3server/controller/project.py

@@ -445,6 +445,7 @@ class Project:
             yield from compute.post("/projects/{}/close".format(self._id))
         self._cleanPictures()
         self._status = "closed"
+        self.controller.notification.emit("project.closed", self.__json__())
 
     def _cleanPictures(self):
         """

tests/controller/test_project.py

@@ -332,8 +332,10 @@ def test_open_close(async_run, controller):
     assert project.status == "closed"
     async_run(project.open())
     assert project.status == "opened"
+    controller._notification = MagicMock()
     async_run(project.close())
     assert project.status == "closed"
+    controller.notification.emit.assert_any_call("project.closed", project.__json__())
 
 
 def test_is_running(project, async_run, node):