build: Flatten project structure

This change updates the project structure to become flattened. 
Previously, the simulator, frontend and API each lived into their own directory. 

With this change, all modules of the project live in the top-level directory of 
the repository.

1 files changed, 31 insertions, 0 deletions

diff --git a/opendc-web/opendc-web-api/opendc/models/project.py b/opendc-web/opendc-web-api/opendc/models/project.py
new file mode 100644
index 00000000..b57e9f77
--- /dev/null
+++ b/opendc-web/opendc-web-api/opendc/models/project.py
@@ -0,0 +1,31 @@
+from opendc.models.model import Model
+from opendc.models.user import User
+from opendc.util.database import DB
+from opendc.util.exceptions import ClientError
+from opendc.util.rest import Response
+
+
+class Project(Model):
+    """Model representing a Project."""
+
+    collection_name = 'projects'
+
+    def check_user_access(self, google_id, edit_access):
+        """Raises an error if the user with given [google_id] has insufficient access.
+
+        :param google_id: The Google ID of the user.
+        :param edit_access: True when edit access should be checked, otherwise view access.
+        """
+        user = User.from_google_id(google_id)
+        authorizations = list(filter(lambda x: str(x['projectId']) == str(self.get_id()),
+                                     user.obj['authorizations']))
+        if len(authorizations) == 0 or (edit_access and authorizations[0]['authorizationLevel'] == 'VIEW'):
+            raise ClientError(Response(403, "Forbidden from retrieving project."))
+
+    def get_all_authorizations(self):
+        """Get all user IDs having access to this project."""
+        return [
+            str(user['_id']) for user in DB.fetch_all({'authorizations': {
+                'projectId': self.obj['_id']
+            }}, User.collection_name)
+        ]