Fix money creation, closes #25

apps/note/forms.py

@@ -3,6 +3,7 @@
 
 from dal import autocomplete
 from django import forms
+from django.utils.translation import gettext_lazy as _
 
 from .models import Transaction, TransactionTemplate, TemplateTransaction
 
@@ -33,6 +34,23 @@ class TransactionForm(forms.ModelForm):
     def save(self, commit=True):
         super().save(commit)
 
+
+    def clean(self):
+        """
+        If the user has no right to transfer funds, then it will be the source of the transfer by default.
+        Transactions between a note and the same note are not authorized.
+        """
+
+        cleaned_data = super().clean()
+        if not "source" in cleaned_data: # TODO Replace it with "if %user has no right to transfer funds"
+            cleaned_data["source"] = self.user.note
+
+        if cleaned_data["source"].pk == cleaned_data["destination"].pk:
+            self.add_error("destination", _("Source and destination must be different."))
+
+        return cleaned_data
+
+
     class Meta:
         model = Transaction
         fields = (