use string for entry ID

Author: builder555

code/api/app/db_interfaces.py

@@ -13,14 +13,14 @@ class ExperimentModel(BaseModel):
 
 
 class ExperimentDBModel(ExperimentModel):
-    id: int
+    id: str
     is_running: bool
     started: Optional[int] = None
 
 
 class ExperimentDetailsDBModel(ExperimentDBModel):
-    snapshots: List[tuple]
-    temperatures: List[tuple]
+    snapshots: List[tuple] = []
+    temperatures: List[tuple] = []
 
 
 class DatabaseIface(ABC):

code/api/app/local_db.py

@@ -15,7 +15,7 @@ def __init__(self):
     def add(self, experiment: ExperimentModel) -> int:
         experiment_id = len(self.experiments) + 1
         new_item = ExperimentDBModel(
-            id=experiment_id,
+            id=str(experiment_id),
             is_running=True,
             started=int(datetime.now().timestamp()),
             **experiment.dict()

code/api/app/tests/test_main.py

@@ -60,7 +60,7 @@ def test_get_existing_experiment(client):
         response = client.get("/experiments/1")
     assert response.status_code == 200
     assert response.json() == {
-        'id': 1,
+        'id': '1',
         'is_running': True,
         **experiment_data,
         'started': fake_datetime,
@@ -81,7 +81,7 @@ def test_list_past_experiments(client):
     response = client.get("/experiments")
     assert response.status_code == 200
     assert response.json() == [{
-        'id': 1,
+        'id': '1',
         'is_running': True,
         'started': fake_datetime,
         **experiment_data