Rename web-server to API

This change renames the web-server component to API in order to be more
descriptive of its role. The OpenDC API bridges between the frontend on
one side and the database and simulator on the other side.

1 files changed, 26 insertions, 0 deletions

diff --git a/api/opendc/models/scenario.py b/api/opendc/models/scenario.py
new file mode 100644
index 00000000..8d53e408
--- /dev/null
+++ b/api/opendc/models/scenario.py
@@ -0,0 +1,26 @@
+from opendc.models.model import Model
+from opendc.models.portfolio import Portfolio
+from opendc.models.user import User
+from opendc.util.exceptions import ClientError
+from opendc.util.rest import Response
+
+
+class Scenario(Model):
+    """Model representing a Scenario."""
+
+    collection_name = 'scenarios'
+
+    def check_user_access(self, google_id, edit_access):
+        """Raises an error if the user with given [google_id] has insufficient access.
+
+        Checks access on the parent project.
+
+        :param google_id: The Google ID of the user.
+        :param edit_access: True when edit access should be checked, otherwise view access.
+        """
+        portfolio = Portfolio.from_id(self.obj['portfolioId'])
+        user = User.from_google_id(google_id)
+        authorizations = list(
+            filter(lambda x: str(x['projectId']) == str(portfolio.obj['projectId']), user.obj['authorizations']))
+        if len(authorizations) == 0 or (edit_access and authorizations[0]['authorizationLevel'] == 'VIEW'):
+            raise ClientError(Response(403, 'Forbidden from retrieving/editing scenario.'))