update

sheets/forms.py

@@ -1,7 +1,27 @@
 from django import forms
-from .models import ExcelEntry
+from .models import ExcelEntry,  Betriebskosten
 
 class ExcelEntryForm(forms.ModelForm):
     class Meta:
         model = ExcelEntry
-        fields = ['name', 'age', 'email']  # Include only the fields you want users to input
+        fields = '__all__'   # Include only the fields you want users to input
+
+class BetriebskostenForm(forms.ModelForm):
+    class Meta:
+        model = Betriebskosten
+        fields = ['buchungsdatum', 'rechnungsnummer', 'kostentyp', 'gas_volume', 'betrag', 'beschreibung']
+        widgets = {
+            'buchungsdatum': forms.DateInput(attrs={'type': 'date'}),
+            'beschreibung': forms.Textarea(attrs={'rows': 3}),
+        }
+    
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['gas_volume'].required = False
+        
+        # Add price per liter field (readonly)
+        self.fields['price_per_liter'] = forms.CharField(
+            label='Preis pro Liter (€)',
+            required=False,
+            widget=forms.TextInput(attrs={'readonly': 'readonly'})
+        )