Add admin dashboard stats functionality

vidai/database.py

@@ -1435,3 +1435,39 @@ def cleanup_expired_sessions() -> None:
     cursor.execute("DELETE FROM sessions WHERE last_activity < datetime('now', '-1 hour')")
     conn.commit()
     conn.close()
+
+
+# Admin dashboard stats functions
+def get_admin_dashboard_stats() -> Dict[str, int]:
+    """Get admin dashboard statistics."""
+    conn = get_db_connection()
+    cursor = conn.cursor()
+
+    stats = {}
+
+    # Total non-admin users
+    cursor.execute("SELECT COUNT(*) as count FROM users WHERE role != 'admin'")
+    stats['total_non_admin_users'] = cursor.fetchone()['count']
+
+    # Active non-admin users
+    cursor.execute("SELECT COUNT(*) as count FROM users WHERE role != 'admin' AND active = 1")
+    stats['active_non_admin_users'] = cursor.fetchone()['count']
+
+    # Inactive non-admin users
+    cursor.execute("SELECT COUNT(*) as count FROM users WHERE role != 'admin' AND active = 0")
+    stats['inactive_non_admin_users'] = cursor.fetchone()['count']
+
+    # Total tokens held by non-admin users
+    cursor.execute("SELECT COALESCE(SUM(tokens), 0) as total FROM users WHERE role != 'admin'")
+    stats['total_tokens_held'] = cursor.fetchone()['total']
+
+    # Total tokens used (from processing_queue)
+    cursor.execute("SELECT COALESCE(SUM(used_tokens), 0) as total FROM processing_queue WHERE used_tokens > 0")
+    stats['total_tokens_used'] = cursor.fetchone()['total']
+
+    # Total jobs executed (completed jobs)
+    cursor.execute("SELECT COUNT(*) as count FROM processing_queue WHERE status = 'completed'")
+    stats['total_jobs_executed'] = cursor.fetchone()['count']
+
+    conn.close()
+    return stats
\ No newline at end of file

vidai/web.py

@@ -134,6 +134,12 @@ def dashboard():
     tokens = get_user_tokens(user['id'])
     queue_items = get_user_queue_items(user['id'])
 
+    # Get admin stats if user is admin
+    admin_stats = {}
+    if user.get('role') == 'admin':
+        from .database import get_admin_dashboard_stats
+        admin_stats = get_admin_dashboard_stats()
+
     return render_template('dashboard.html',
                            user=user,
                            tokens=tokens,
@@ -141,7 +147,8 @@ def dashboard():
                            active_jobs=len([j for j in queue_items if j["status"] == "processing"]),
                            total_jobs=len(queue_items),
                            queue_items=queue_items[:5],
-                           active_page='dashboard')
+                           active_page='dashboard',
+                           **admin_stats)
 
 @app.route('/login', methods=['GET', 'POST'])
 def login():