Update app.py

app.py

@@ -16,6 +16,10 @@ from reportlab.lib.units import inch
 import tempfile
 from analytics_tab import AnalyticsTab
 
+# Create downloads directory if it doesn't exist
+DOWNLOADS_DIR = os.path.join(os.getcwd(), "downloads")
+os.makedirs(DOWNLOADS_DIR, exist_ok=True)
+
 # Google Sheets Setup
 SCOPES = ['https://www.googleapis.com/auth/spreadsheets']
 
@@ -229,10 +233,13 @@ def calculate_interest(principal, start_date, end_date):
 def create_pdf_report(farmer_name, df, total_lent, total_returned, interest_accrued, remaining_balance):
     """Generate PDF report of transaction history"""
     try:
-        # Create a proper temporary file with the correct name
+        # Create PDF in persistent downloads directory
         pdf_filename = f"{farmer_name.replace(' ', '_')}_transactions_with_interest.pdf"
-        temp_dir = tempfile.gettempdir()
-        pdf_path = os.path.join(temp_dir, pdf_filename)
+        pdf_path = os.path.join(DOWNLOADS_DIR, pdf_filename)
+        
+        # Remove old file if it exists
+        if os.path.exists(pdf_path):
+            os.remove(pdf_path)
         
         doc = SimpleDocTemplate(pdf_path, pagesize=letter, rightMargin=30, leftMargin=30, topMargin=30, bottomMargin=18)
         
@@ -311,10 +318,18 @@ def create_pdf_report(farmer_name, df, total_lent, total_returned, interest_accr
         # Build PDF
         doc.build(elements)
         
-        return pdf_path, pdf_filename
+        # Verify file was created
+        if os.path.exists(pdf_path):
+            print(f"PDF created successfully at: {pdf_path}")
+            return pdf_path
+        else:
+            print("PDF file was not created")
+            return None
     except Exception as e:
         print(f"Error creating PDF: {str(e)}")
-        return None, None
+        import traceback
+        traceback.print_exc()
+        return None
 
 def get_farmer_report(farmer_name):
     """Generate complete report for a farmer with interest calculations"""
@@ -465,9 +480,9 @@ def get_farmer_report(farmer_name):
         )
         
         # Generate PDF
-        pdf_path, pdf_filename = create_pdf_report(farmer_name, detailed_df, total_lent, total_returned, interest_accrued, remaining_balance)
+        pdf_path = create_pdf_report(farmer_name, detailed_df, total_lent, total_returned, interest_accrued, remaining_balance)
         
-        return detailed_df, pdf_path, summary_html, fig_bank, fig_pie, remaining_balance, pdf_filename
+        return detailed_df, pdf_path, summary_html, fig_bank, fig_pie, remaining_balance, None
     
     except Exception as e:
         return None, None, f"❌ Error generating report: {str(e)}", None, None, None, None