API Support (useless, but...)

apps/treasury/api/serializers.py

@@ -0,0 +1,34 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from rest_framework import serializers
+
+from ..models import Invoice, Product
+
+
+class ProductSerializer(serializers.ModelSerializer):
+    """
+    REST API Serializer for Product types.
+    The djangorestframework plugin will analyse the model `Product` and parse all fields in the API.
+    """
+
+    class Meta:
+        model = Product
+        fields = '__all__'
+
+
+class InvoiceSerializer(serializers.ModelSerializer):
+    """
+    REST API Serializer for Invoice types.
+    The djangorestframework plugin will analyse the model `Invoice` and parse all fields in the API.
+    """
+    class Meta:
+        model = Invoice
+        fields = '__all__'
+        read_only_fields = ('bde',)
+
+    products = serializers.SerializerMethodField()
+
+    def get_products(self, obj):
+        return serializers.ListSerializer(child=ProductSerializer())\
+            .to_representation(Product.objects.filter(invoice=obj).all())