In webapp, resolve dirpath coming from envvar and set 'InfoMander.pat…

…h' as the first directory of 'MANDR_ROOT'

src/mandr/dashboard/webapp.py

@@ -17,8 +17,13 @@
 @app.get("/api/mandrs")
 async def list_mandrs(request: Request) -> list[str]:
     """Send the list of mandrs path below the current working directory."""
-    path = os.environ["MANDR_PATH"]
-    root = Path(os.environ["MANDR_ROOT"])
+    root = Path(os.environ["MANDR_ROOT"]).resolve()
+    directories = list(root.iterdir())
+
+    if len(directories) != 1 or (not directories[0].is_dir()):
+        raise ValueError("'{root}' is not a valid mandr root")
+
+    path = directories[0].stem
     ims = [InfoMander(path, root=root)]
     paths = []
 
@@ -36,7 +41,7 @@ async def list_mandrs(request: Request) -> list[str]:
 @app.get("/api/mandrs/{path:path}")
 async def get_mandr(request: Request, path: str):
     """Return one mandr."""
-    root = Path(os.environ["MANDR_ROOT"])
+    root = Path(os.environ["MANDR_ROOT"]).resolve()
 
     if not (root / path).exists():
         raise HTTPException(status_code=404, detail=f"No mandr found in '{path}'")

tests/integration/dashboard/test_webapp.py

@@ -12,7 +12,6 @@ def test_index(client: TestClient):
 
 
 def test_list_mandrs(client: TestClient, tmp_path):
-    os.environ["MANDR_PATH"] = "root"
     os.environ["MANDR_ROOT"] = str(tmp_path)
 
     InfoMander("root", root=tmp_path).add_info("key", "value")