feat: add a tab for overdue tasks

flado/blueprints.py

@@ -52,7 +52,7 @@ def index() -> str:
     search_query = request.args.get('search', '')
 
     # Validate filter type
-    valid_filters = ['all', 'today', 'upcoming', 'active', 'completed']
+    valid_filters = ['all', 'today', 'upcoming', 'overdue', 'active', 'completed']
     if filter_type not in valid_filters:
         filter_type = 'all'
 

flado/services.py

@@ -28,6 +28,8 @@ def get_tasks(filter_type: str = 'all', search_query: Optional[str] = None) -> Q
         query = query.filter(Task.due_date == date.today())
     elif filter_type == 'upcoming':
         query = query.filter(Task.due_date > date.today())
+    elif filter_type == 'overdue':
+        query = query.filter(Task.due_date < date.today(), Task.completed.is_(False))
     elif filter_type == 'completed':
         query = query.filter(Task.completed.is_(True))
     elif filter_type == 'active':

flado/templates/index.html

@@ -21,6 +21,8 @@
                class="filter-tab {{ 'active' if filter_type == 'today' else '' }}">Today</a>
             <a href="{{ url_for('tasks.index', filter='upcoming') }}" 
                class="filter-tab {{ 'active' if filter_type == 'upcoming' else '' }}">Upcoming</a>
+            <a href="{{ url_for('tasks.index', filter='overdue') }}" 
+               class="filter-tab {{ 'active' if filter_type == 'overdue' else '' }}">Overdue</a>
             <a href="{{ url_for('tasks.index', filter='active') }}" 
                class="filter-tab {{ 'active' if filter_type == 'active' else '' }}">Active</a>
             <a href="{{ url_for('tasks.index', filter='completed') }}"