feat: create validated ZUGFeRD invoices in one console command

jr_einvoice/utils.py

@@ -1,9 +1,11 @@
-from __future__ import annotations
+from decimal import Decimal
+
+
+def number_fmt(value, precision: int = 2) -> str:
+    value = Decimal(str(value))
+    precision = max(precision, -value.normalize().as_tuple().exponent)
+    return f"{value:,.{precision}f}".replace(",", "X").replace(".", ",").replace("X", ".")
+
 
 def money_fmt(value, currency: str = "EUR") -> str:
-    try:
-        v = float(value)
-    except Exception:
-        v = 0.0
-    # de-DE formatting (simple, stable)
-    return f"{v:,.2f} {currency}".replace(",", "X").replace(".", ",").replace("X", ".")
+    return f"{Decimal(str(value)):,.2f} {currency}".replace(",", "X").replace(".", ",").replace("X", ".")