updating sign-up route to handle user groups (#95)

Problem
sign up route doesn't handle or expect a user group

Solution
- sign-up now expects user group
- sign-up puts user in appropriate db given user_group
- created 1 unit test for valid sign in
- TODO: write tests for invalid sign in

Ticket URL
https://mediform.atlassian.net/browse/MEDI-58

Documentation
NA

Tests Run
- make all && make api && make testapi

app/api/routes/register.py

@@ -6,30 +6,40 @@
 from api.schemas.users import UserLogin, UserLoginResponse
 from api.models.user import create_user, get_user_by_email
 from api.main.auth import generate_auth_token
-from api.main.database import get_db
+from api.main.database import db_functions
 
 router = APIRouter()
 
 
 @router.post(
     "/sign-up", status_code=200, response_model=UserLoginResponse, name="sign-up"
 )
-def sign_up(user: UserLogin, db: Session = Depends(get_db)) -> Any:
+def sign_up(user: UserLogin) -> Any:
     """
     Create a new user if a user with that email doesn't exist. Otherwise raise exceptions.
     """
+    # get the correct db given the user group
+    if user.user_group and user.user_group in db_functions:
+        db_generator = db_functions[user.user_group]()
+        db = next(db_generator)
+    else:
+        raise HTTPException(status_code=400, detail="Invalid user group.")
+
     found_user = get_user_by_email(db, str(user.email))
     if found_user:
         raise HTTPException(
             status_code=409, detail="User with that email already exists."
         )
 
-    user = create_user(db, email=str(user.email), password=user.password)
-    if not user:
+    # otherwise if user doesn't exist
+    newUser = create_user(db, email=str(user.email), password=user.password)
+    if not newUser:
         raise HTTPException(
             status_code=500, detail="Unable to create user at this time."
         )
 
-    token = generate_auth_token(data={"sub": user.email})
+    token = generate_auth_token(
+        data={"sub": newUser.email}, user_group=user.user_group
+    )
 
     return UserLoginResponse(access_token=token)

app/api/tests/test_register.py

@@ -0,0 +1,29 @@
+import pytest
+from fastapi.testclient import TestClient
+
+from api.constants import MEDICAL
+from api.models.user import create_user
+from api.main.database import SessionLocal
+
+
+@pytest.mark.needs(postgres=True)
+def test_valid_register(client: TestClient) -> None:
+    """
+    Test that a new user is able to sign up successfully
+    """
+
+    resp = client.post(
+        "/api/sign-up",
+        json={
+            "email": "[email protected]",
+            "password": "Testing-123",
+            "user_group": MEDICAL,
+        },
+    )
+    resp_data = resp.json()
+    assert (
+        resp.status_code == 200
+    ), "Error while signing up test user" + str(resp_data)
+    assert (
+        "access_token" in resp_data
+    ), "Access token was not provided after signing up a valid user"