grosze

app/main.py

@@ -190,17 +190,63 @@ async def nbp_rate():
         )
         
 
+CSV_MONEY_FIELDS = {
+    "rata",
+    "kapital",
+    "odsetki",
+    "nadplata",
+    "prowizja_nadplaty",
+    "saldo",
+    "odsetki_narastajaco",
+    "koszt_narastajaco",
+    "nadplaty_narastajaco",
+}
+CSV_SUMMARY_MONEY_FIELDS = {
+    "total_paid",
+    "total_interest",
+    "total_overpayment",
+    "total_overpayment_fees",
+    "interest_saved",
+    "baseline_interest",
+    "average_payment",
+    "max_payment",
+}
+
+
+def _csv_money(value: float) -> str:
+    return f"{float(value):.2f}".replace(".", ",")
+
+
 @app.post("/api/export/csv")
 def export_csv(req: SimulationRequest):
     result = simulate(req)
     buf = io.StringIO()
     writer = csv.writer(buf, delimiter=";")
-    writer.writerow(["miesiac", "data_splaty", "dni", "oprocentowanie", "rata", "kapital", "odsetki", "nadplata", "prowizja_nadplaty", "saldo", "karencja", "odsetki_narastajaco", "koszt_narastajaco", "nadplaty_narastajaco"])
+    headers = ["miesiac", "data_splaty", "dni", "oprocentowanie", "rata", "kapital", "odsetki", "nadplata", "prowizja_nadplaty", "saldo", "karencja", "odsetki_narastajaco", "koszt_narastajaco", "nadplaty_narastajaco"]
+    writer.writerow(headers)
     for row in result.schedule:
-        writer.writerow([row.month, row.due_date, row.days, row.rate, row.payment, row.principal_part, row.interest_part, row.overpayment, row.overpayment_fee, row.remaining, row.grace_type.value, row.cumulative_interest, row.cumulative_cost, row.cumulative_overpayment])
+        values = {
+            "miesiac": row.month,
+            "data_splaty": row.due_date,
+            "dni": row.days,
+            "oprocentowanie": row.rate,
+            "rata": row.payment,
+            "kapital": row.principal_part,
+            "odsetki": row.interest_part,
+            "nadplata": row.overpayment,
+            "prowizja_nadplaty": row.overpayment_fee,
+            "saldo": row.remaining,
+            "karencja": row.grace_type.value,
+            "odsetki_narastajaco": row.cumulative_interest,
+            "koszt_narastajaco": row.cumulative_cost,
+            "nadplaty_narastajaco": row.cumulative_overpayment,
+        }
+        writer.writerow([_csv_money(values[h]) if h in CSV_MONEY_FIELDS else values[h] for h in headers])
     writer.writerow([])
     writer.writerow(["Podsumowanie"])
     for key, value in result.summary.model_dump().items():
+        if key in CSV_SUMMARY_MONEY_FIELDS:
+            value = _csv_money(value)
         writer.writerow([key, value])
     data = buf.getvalue().encode("utf-8-sig")
     return StreamingResponse(