fixes to email display

drive_view_tui.py

@@ -3,6 +3,7 @@ import sys
 import json
 import asyncio
 from datetime import datetime
+from pathlib import Path
 
 import msal
 import aiohttp
@@ -34,6 +35,20 @@ sys.path.append(os.path.join(os.path.dirname(__file__), "maildir_gtd"))
 from maildir_gtd.screens.DocumentViewer import DocumentViewerScreen
 
 
+class FolderHistoryEntry:
+    """Represents an entry in the folder navigation history."""
+
+    def __init__(self, folder_id: str, folder_name: str, parent_id: str = None):
+        self.folder_id = folder_id
+        self.folder_name = folder_name
+        self.parent_id = parent_id
+
+    def __eq__(self, other):
+        if not isinstance(other, FolderHistoryEntry):
+            return False
+        return self.folder_id == other.folder_id
+
+
 class OneDriveTUI(App):
     """A Textual app for OneDrive integration with MSAL authentication."""
 
@@ -44,6 +59,8 @@ class OneDriveTUI(App):
     selected_drive_id = reactive("")
     drive_name = reactive("")
     current_view = reactive("Following")  # Track current view: "Following" or "Root"
+    current_folder_id = reactive("root")  # Track current folder ID
+    current_folder_name = reactive("Root")  # Track current folder name
 
     # App bindings
     BINDINGS = [
@@ -54,6 +71,8 @@ class OneDriveTUI(App):
         Binding("enter", "open_url", "Open URL"),
         Binding("v", "view_document", "View Document"),
         Binding("tab", "next_view", "Switch View"),
+        Binding("backspace", "navigate_back", "Back"),
+        Binding("b", "navigate_back", "Back"),
     ]
 
     def __init__(self):
@@ -61,8 +80,8 @@ class OneDriveTUI(App):
         self.access_token = None
         self.drives = []
         self.followed_items = []
-
-        self.current_items = {} # Store currently displayed items
+        self.current_items = {}  # Store currently displayed items
+        self.folder_history = []  # History stack for folder navigation
         self.msal_app = None
         self.cache = msal.SerializableTokenCache()
         # Read Azure app credentials from environment variables
@@ -287,18 +306,22 @@ class OneDriveTUI(App):
                 self.action_view_document()
 
     @work
-    async def load_root_items(self, folder_id: str = "", drive_id: str = ""):
+    async def load_root_items(self, folder_id: str = "", drive_id: str = "", track_history: bool = True):
         """Load root items from the selected drive."""
         if not self.access_token or not self.selected_drive_id:
             return
 
-        self.query_one("#status_label").update("Loading root items...")
+        self.query_one("#status_label").update("Loading drive folder items...")
         headers = {"Authorization": f"Bearer {self.access_token}"}
         url = f"https://graph.microsoft.com/v1.0/me/drive/root/children"
 
         if folder_id and drive_id:
             url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/items/{folder_id}/children"
+            if track_history:
+                self.folder_history.append(FolderHistoryEntry(folder_id, self.current_folder_name, drive_id))
             self.selected_drive_id = drive_id
+            self.current_folder_id = folder_id
+            self.current_folder_name = self.current_items[folder_id].get("name", "Unknown")
         try:
 
             async with aiohttp.ClientSession() as session:
@@ -311,7 +334,7 @@ class OneDriveTUI(App):
 
 
                     # Update the table with the root items
-                    self.update_items_table(items_data.get("value", []), is_root_view=True)
+                    self.update_items_table(items_data.get("value", []))
         except Exception as e:
             self.notify(f"Error loading root items: {str(e)}", severity="error")
 
@@ -456,6 +479,16 @@ class OneDriveTUI(App):
         """Quit the application."""
         self.exit()
 
+    async def action_navigate_back(self) -> None:
+        """Navigate back to the previous folder."""
+        if self.folder_history:
+            previous_entry = self.folder_history.pop()
+            self.current_folder_id = previous_entry.folder_id
+            self.current_folder_name = previous_entry.folder_name
+            self.load_root_items(folder_id=previous_entry.folder_id, drive_id=previous_entry.parent_id, track_history=False)
+        else:
+            self.notify("No previous folder to navigate back to")
+
 
 if __name__ == "__main__":
     app = OneDriveTUI()