Add graph view

Backend/Main.py

@@ -60,6 +60,7 @@ from Locks import (
     RequirePathAccessible,
     SetLock,
 )
+from Graph import BuildGraph
 from Preview import GetMimeType, ReadTextFile, StreamBinaryFile, TextFileTypes
 from Settings import (
     DefaultSettings,
@@ -406,6 +407,27 @@ def GetTreeEndpoint(
     ]
 
 
+@Application.get("/api/graph")
+def GetGraphEndpoint(
+    Root: str, Path: str = "", CurrentUser: dict = Depends(GetCurrentUserOrGuest)
+) -> dict:
+    """Directories, files and the links between them under Path (see Graph.py)."""
+    RequirePathAccessible(Root, Path, CurrentUser)
+    UserSettings = DefaultSettings if CurrentUser["Username"] is None else LoadSettings(CurrentUser["Username"])
+
+    try:
+        return BuildGraph(
+            Root,
+            Path,
+            UserSettings.get("ShowHiddenFolders", False),
+            UserSettings.get("ShowSvFiles", False),
+            CurrentUser["Username"],
+            CurrentUser.get("Groups", []),
+        )
+    except ValueError as Error:
+        raise HTTPException(status_code=400, detail=str(Error))
+
+
 @Application.post("/api/note")
 def PostNoteEndpoint(Root: str, Path: str, CurrentUser: dict = Depends(GetCurrentUser)) -> dict:
     RequirePathAccessible(Root, Path, CurrentUser)