billing

rechnung/billingPreprocessor.py

@@ -0,0 +1,22 @@
+from decimal import Decimal
+
+MwSt_TAX_RATE = Decimal(0.19)
+
+def perform(inputData):
+    inputData['totalBeforeTaxes'] = Decimal(0)
+    for entry in inputData['entries']:
+        entry['totalprice'] = Decimal(entry['count']) * Decimal(entry['unitprice'])
+        inputData['totalBeforeTaxes'] += entry['totalprice']
+    inputData['totalBeforeTaxes'] = inputData['totalBeforeTaxes']
+    inputData['taxes'] = inputData['totalBeforeTaxes'] * MwSt_TAX_RATE
+    inputData['total'] = inputData['totalBeforeTaxes'] + inputData['taxes']
+
+    for entry in inputData['entries']:
+        entry['totalprice'] = f"{entry['totalprice']:.2f}"
+        entry['unitprice'] = f"{entry['unitprice']:.2f}"
+    inputData['totalBeforeTaxes'] = f"{inputData['totalBeforeTaxes']:.2f}"
+    inputData['taxes'] = f"{inputData['taxes']:.2f}"
+    inputData['total'] = f"{inputData['total']:.2f}"
+
+    return inputData
+