add bank data if available

fet2020/finance/forms.py

@@ -1,6 +1,6 @@
 from django import forms
 from django.core.validators import ValidationError
-from django.db.models import Count
+from django.db.models import Count, Q
 from django.forms import DateInput
 
 from members.models import Member
@@ -69,7 +69,9 @@ class BillCreateForm(forms.ModelForm):
 
         super().__init__(*args, **kwargs)  # to get the self.fields set
 
-        self.fields["bill_creator"].initial = Member.objects.get(username=user.username)
+        member = Member.objects.get(username=user.username)
+
+        self.fields["bill_creator"].initial = member
         self.fields["bill_creator"].disabled = True
 
         self.fields["invoice"].placeholder = "Firmenname\nStraße\nPLZ Ort"
@@ -78,6 +80,14 @@ class BillCreateForm(forms.ModelForm):
         # bank data fields
         self.fields["payer"].autofocus = True
 
+        bank_data = BankData.objects.filter(
+            Q(bankdata_creator=member) & Q(is_disabled=False)
+        ).first()
+        if bank_data is not None:
+            self.fields["name_text"].initial = bank_data.name
+            self.fields["iban_text"].initial = bank_data.iban
+            self.fields["bic_text"].initial = bank_data.bic
+
         self.fields["name_text"].label = "Kontoinhaber:in"
         self.fields["name_text"].required = False