Correção arredondamento dasalíquotas e valor taxa

app/main.py

@@ -31,6 +31,7 @@ from fastapi import Query
 from sqlalchemy import select as sqla_select
 from app.models import AliquotaUF
 import pandas as pd
+from fastapi.responses import Response
 
 
 app = FastAPI()
@@ -499,31 +500,54 @@ async def export_excel(
         cols = [c for c in df.columns if c != "Arquivo PDF"] + ["Arquivo PDF"]
         df = df[cols]
 
-    # garante que colunas percentuais estejam numéricas (se existirem)
-    for col in ["ICMS (%)", "ICMS (%) (UF/Ref)", "Dif. ICMS (pp)", "PIS (%)", "COFINS (%)"]:
+    # converte colunas numéricas (percentuais, R$, etc.)
+    percent_cols = ["ICMS (%)", "ICMS (%) (UF/Ref)", "Dif. ICMS (pp)", "PIS (%)", "COFINS (%)"]
+    money_cols   = ["Valor Total", "ICMS (R$)", "PIS (R$)", "COFINS (R$)",
+                    "Base ICMS (R$)", "Base PIS (R$)", "Base COFINS (R$)"]
+    other_dec6   = ["Tarifa", "Consumo (kWh)"]
+
+    from decimal import Decimal
+    for col in percent_cols + money_cols + other_dec6:
         if col in df.columns:
+            df[col] = df[col].map(lambda x: float(x) if isinstance(x, Decimal) else x)
             df[col] = pd.to_numeric(df[col], errors="coerce")
 
+    # --- gera o XLSX ---
     with pd.ExcelWriter(output, engine="xlsxwriter") as writer:
         df.to_excel(writer, index=False, sheet_name="Relatório")
-
-        # aplica formatação 6 casas decimais
         wb = writer.book
         ws = writer.sheets["Relatório"]
-        fmt_4dec = wb.add_format({"num_format": "0.000000"})
 
-        for col in ["ICMS (%)", "ICMS (%) (UF/Ref)", "Dif. ICMS (pp)", "PIS (%)", "COFINS (%)", "Consumo (kWh)"]:
+        fmt_dec6   = wb.add_format({"num_format": "0.000000"})
+        fmt_money6 = wb.add_format({"num_format": "#,##0.000000"})
+        fmt_money2 = wb.add_format({"num_format": "#,##0.00"})
+
+        for col in percent_cols:
             if col in df.columns:
                 i = df.columns.get_loc(col)
-                # largura automática básica + formato; ajuste a largura se quiser (ex.: 12)
-                ws.set_column(i, i, None, fmt_4dec)
+                ws.set_column(i, i, 14, fmt_dec6)
 
+        for col in money_cols:
+            if col in df.columns:
+                i = df.columns.get_loc(col)
+                ws.set_column(i, i, 14, fmt_money6)  # ou fmt_money2 se quiser 2 casas
+
+        for col in other_dec6:
+            if col in df.columns:
+                i = df.columns.get_loc(col)
+                ws.set_column(i, i, 14, fmt_dec6)
+
+    # IMPORTANTE: só aqui, FORA do with
     output.seek(0)
+    data = output.getvalue()
 
-    return StreamingResponse(
-        output,
+    return Response(
+        content=data,
         media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-        headers={"Content-Disposition": f'attachment; filename="{filename}"'}
+        headers={
+            "Content-Disposition": f'attachment; filename="{filename}"',
+            "Content-Length": str(len(data)),
+        },
     )