Add attachment support for fuel and recurring expenses with camera capture

Co-authored-by: aiulian25 <17886483+aiulian25@users.noreply.github.com>

backend/migrate_attachments.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+"""
+Database migration script to add document_path columns to FuelRecord and RecurringExpense tables.
+This migration adds support for file attachments to fuel and tax (recurring expense) entries.
+"""
+import sqlite3
+import os
+import sys
+
+def migrate_database():
+    """Add document_path columns to FuelRecord and RecurringExpense tables."""
+    # Support both Docker and local paths
+    db_paths = [
+        '/app/data/masina_dock.db',
+        './data/masina_dock.db',
+        '../data/masina_dock.db'
+    ]
+    
+    db_path = None
+    for path in db_paths:
+        if os.path.exists(path):
+            db_path = path
+            break
+    
+    if not db_path:
+        print("Database does not exist yet. Migration will be applied on first run.")
+        return True
+    
+    print(f"Migrating database at: {db_path}")
+    
+    try:
+        conn = sqlite3.connect(db_path)
+        cursor = conn.cursor()
+        
+        # Check FuelRecord table
+        cursor.execute("PRAGMA table_info(fuel_record)")
+        fuel_columns = [column[1] for column in cursor.fetchall()]
+        
+        if 'document_path' not in fuel_columns:
+            print("Adding document_path column to fuel_record table...")
+            cursor.execute("ALTER TABLE fuel_record ADD COLUMN document_path VARCHAR(255)")
+            print("✓ Added document_path to fuel_record")
+        else:
+            print("✓ fuel_record.document_path already exists")
+        
+        # Check RecurringExpense table
+        cursor.execute("PRAGMA table_info(recurring_expense)")
+        expense_columns = [column[1] for column in cursor.fetchall()]
+        
+        if 'document_path' not in expense_columns:
+            print("Adding document_path column to recurring_expense table...")
+            cursor.execute("ALTER TABLE recurring_expense ADD COLUMN document_path VARCHAR(255)")
+            print("✓ Added document_path to recurring_expense")
+        else:
+            print("✓ recurring_expense.document_path already exists")
+        
+        conn.commit()
+        print("\n✓ Database migration completed successfully!")
+        return True
+        
+    except sqlite3.Error as e:
+        print(f"✗ Migration error: {e}", file=sys.stderr)
+        if conn:
+            conn.rollback()
+        return False
+    except Exception as e:
+        print(f"✗ Unexpected error: {e}", file=sys.stderr)
+        return False
+    finally:
+        if conn:
+            conn.close()
+
+if __name__ == '__main__':
+    success = migrate_database()
+    sys.exit(0 if success else 1)