feat: add rules for transactions

app/apps/api/serializers/transactions.py

@@ -1,4 +1,7 @@
 from django.utils.translation import gettext_lazy as _
+from drf_spectacular import openapi
+from drf_spectacular.types import OpenApiTypes
+from drf_spectacular.utils import extend_schema_field
 
 from rest_framework import serializers
 from rest_framework.permissions import IsAuthenticated
@@ -54,7 +57,7 @@ class TransactionSerializer(serializers.ModelSerializer):
     )
 
     reference_date = serializers.DateField(
-        required=False, input_formats=["iso-8601", "%Y-%m"]
+        required=False, input_formats=["iso-8601", "%Y-%m"], format="%Y-%m"
     )
 
     permission_classes = [IsAuthenticated]

app/apps/api/views/transactions.py

@@ -12,12 +12,21 @@ from apps.transactions.models import (
     TransactionTag,
     InstallmentPlan,
 )
+from apps.rules.signals import transaction_updated, transaction_created
 
 
 class TransactionViewSet(viewsets.ModelViewSet):
     queryset = Transaction.objects.all()
     serializer_class = TransactionSerializer
 
+    def perform_create(self, serializer):
+        instance = serializer.save()
+        transaction_created.send(sender=instance)
+
+    def perform_update(self, serializer):
+        instance = serializer.save()
+        transaction_updated.send(sender=instance)
+
 
 class TransactionCategoryViewSet(viewsets.ModelViewSet):
     queryset = TransactionCategory.objects.all()