start to write contract apis

core/apps/contracts/serializers/contract.py

@@ -0,0 +1,39 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.contracts.models.contract import Contract
+from core.apps.contracts.serializers.contract_side import ContractSideCreateSerializer
+
+
+class ContractCreateSerializer(serializers.Serializer):
+    file = serializers.FileField(max_length=None, allow_empty_file=False)
+    contract_number = serializers.IntegerField()
+    name = serializers.CharField()    
+    sides = serializers.ChoiceField(choices=('two_or_more', 'customer_only', 'only_company'))
+    face_id = serializers.BooleanField()
+    attach_file = serializers.BooleanField()
+    add_folder = serializers.BooleanField() 
+    add_notification = serializers.BooleanField()
+
+    def create(self, validated_data):
+        with transaction.atomic():
+            contract = Contract.objects.create(
+                file=validated_data.pop('file'),
+                contract_number=validated_data.pop('contract_number'),
+                name=validated_data.pop('name'),
+                sides=validated_data.pop('sides'),
+                face_id=validated_data.pop('face_id'),
+                attach_file=validated_data.pop('attach_file'),
+                add_folder=validated_data.pop('add_folder'),
+                add_notification=validated_data.pop('add_notification'),
+            )
+            return contract
+
+
+class ContractListSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Contract 
+        fields = [
+            'id', 'name', 'file', 'contract_number', 'sides', 'face_id', 'add_folder', 'attach_file', 'add_notification', 'created_at'
+        ]