Payments | New api -- item-purchase-history

backend/payments/README.md

@@ -29,7 +29,7 @@ Django image reads settings from environment variables, default settings for tes
 
 ```shell
 python -m venv venv             ## windows
-./venv/scripts/activavte        ## windows
+./venv/scripts/activate         ## windows
 
 virtualenv venv                 ## linux
 source ../venv/bin/activate     ## linux

backend/payments/apps/base/classes.py

@@ -51,3 +51,9 @@ def __convert_drf_to_dataclass(self, data_model, serializer: dict):
             )
             raise DifferentStructureError
         return data_model_data
+
+
+class ListAdminMixin(object):
+    def __init__(self, model, admin_site):
+        self.list_display = [field.name for field in model._meta.fields]
+        super(ListAdminMixin, self).__init__(model, admin_site)

backend/payments/apps/base/serializer.py

@@ -1,5 +1,5 @@
-from apps.base.fields import MoneyAmountSerializerField
 from apps.base.schemas import EnumCurrencies, PaymentServices, PaymentTypes
+from django.conf import settings
 from rest_enumfield import EnumField
 from rest_framework import serializers
 
@@ -10,5 +10,10 @@ class PaymentServiceSerializer(serializers.Serializer):
 
 
 class MoneySerializer(serializers.Serializer):
-    amount = MoneyAmountSerializerField()
+    # amount = MoneyAmountSerializerField()
+    amount = serializers.DecimalField(
+        min_value=0,
+        max_digits=settings.MAX_BALANCE_DIGITS,
+        decimal_places=2,
+    )
     currency = EnumField(choices=EnumCurrencies)

backend/payments/apps/base/utils/classmethod.py

@@ -3,6 +3,8 @@
 from typing import TypeVar
 
 import rollbar
+from apps.base.classes import ListAdminMixin
+from django.contrib import admin
 from django.db import transaction
 from django.db.models import Model
 from django.http import HttpResponseServerError
@@ -52,3 +54,12 @@ def add_change_balance_method(
         setattr(obj, django_field, new_balance)
         obj.save()
     return obj
+
+
+def register_admin_classes(models):
+    for model in models:
+        admin_class = type('AdminClass', (ListAdminMixin, admin.ModelAdmin), {})
+        try:
+            admin.site.register(model, admin_class)
+        except admin.sites.AlreadyRegistered:
+            pass

backend/payments/apps/external_payments/admin.py

@@ -0,0 +1,5 @@
+from apps.base.utils.classmethod import register_admin_classes
+from django.apps import apps
+
+models = apps.get_models()
+register_admin_classes(models)

backend/payments/apps/item_purchases/admin.py

@@ -0,0 +1,5 @@
+from apps.base.utils.classmethod import register_admin_classes
+from django.apps import apps
+
+models = apps.get_models()
+register_admin_classes(models)

backend/payments/apps/item_purchases/serializers.py

@@ -1,4 +1,5 @@
 from apps.base.serializer import MoneySerializer, PaymentServiceSerializer
+from apps.item_purchases.models import ItemPurchase, ItemPurchaseHistory
 from rest_framework import serializers
 
 
@@ -37,3 +38,28 @@ class ItemHistorySerializer(serializers.Serializer):
     item_uuid = serializers.UUIDField()
     item_price = MoneySerializer()
     created_at = serializers.DateTimeField()
+
+
+class ItemPurchaseHistorySerializer(serializers.Serializer):
+    history_id = serializers.IntegerField(source='id')
+    offer_uuid = serializers.UUIDField(source='item_purchase_id.item_uuid')
+    price = MoneySerializer(source='item_purchase_id.item_price')
+    purchase_type = serializers.SerializerMethodField()
+    status = serializers.SerializerMethodField()
+    created_at = serializers.DateTimeField(source='created_date')
+
+    STATUSES = {item.value: item.name.lower() for item in ItemPurchase.ItemPurchaseStatus}
+
+    def get_status(self, obj: ItemPurchaseHistory):
+        _status = obj.item_purchase_id.status
+        if (
+            _status == ItemPurchase.ItemPurchaseStatus.REFUNDED
+            and obj.event_type == obj.ItemPurchaseType.CREATED
+        ):
+            return ItemPurchase.ItemPurchaseStatus.PAID.label.lower()
+        return self.STATUSES[_status]
+
+    def get_purchase_type(self, obj: ItemPurchaseHistory):
+        if obj.item_purchase_id.account_from != obj.item_purchase_id.account_to:
+            return 'gift'
+        return 'for_self'

backend/payments/apps/item_purchases/services/purchase_items.py

@@ -15,6 +15,7 @@
 )
 from django.conf import settings
 from django.core.exceptions import ValidationError
+from django.db.models import Q
 from django.shortcuts import get_object_or_404
 
 from ..models import Invoice, ItemPurchase, ItemPurchaseHistory
@@ -166,3 +167,19 @@ def create_item_purchase_instance(
             event_type=ItemPurchaseHistory.ItemPurchaseType.CREATED,
         )
         return item_purchase
+
+
+class ItemPurchaseHistoryData:
+    def __init__(self, user_uuid: UUID):
+        self.user_uuid = user_uuid
+
+    def get_item_purchase_qs(self):
+        q_exclude_complete = Q(event_type=ItemPurchaseHistory.ItemPurchaseType.COMPLETED)
+        q_exclude_paid = Q(item_purchase_id__status=ItemPurchase.ItemPurchaseStatus.PAID)
+
+        qs = (
+            ItemPurchaseHistory.objects.select_related('item_purchase_id')
+            .filter(item_purchase_id__account_from__user_uuid=self.user_uuid)
+            .exclude((q_exclude_complete & q_exclude_paid))
+        )
+        return qs

backend/payments/apps/item_purchases/urls.py

@@ -5,4 +5,8 @@
 urlpatterns = [
     path('purchase/', views.PurchaseItemView.as_view({'post': 'create'})),
     path('refund/', views.RefundView.as_view({'post': 'create'})),
+    path(
+        'item-purchase-history/<uuid:user_uuid>/',
+        views.ItemPurchaseHistoryView.as_view({'get': 'list'}),
+    ),
 ]

backend/payments/apps/item_purchases/views.py

@@ -5,13 +5,18 @@
 from django.core.exceptions import ValidationError
 from django.http import Http404
 from rest_framework import status, viewsets
+from rest_framework.mixins import ListModelMixin
 from rest_framework.response import Response
 
 from .exceptions import RefundNotAllowedError
 from .models import ItemPurchase
 from .schemas import PurchaseItemsData, RefundData
-from .serializers import PurchaseItemsSerializer, RefundSerializer
-from .services.purchase_items import ItemPurchaseRequest
+from .serializers import (
+    ItemPurchaseHistorySerializer,
+    PurchaseItemsSerializer,
+    RefundSerializer,
+)
+from .services.purchase_items import ItemPurchaseHistoryData, ItemPurchaseRequest
 from .services.refund import RefundProcessor
 
 
@@ -63,3 +68,10 @@ def create(self, request, *args, **kwargs):
         refund_process.take_refund()
 
         return Response(status=status.HTTP_202_ACCEPTED)
+
+
+class ItemPurchaseHistoryView(ListModelMixin, viewsets.GenericViewSet):
+    serializer_class = ItemPurchaseHistorySerializer
+
+    def get_queryset(self):
+        return ItemPurchaseHistoryData(self.kwargs['user_uuid']).get_item_purchase_qs()

backend/payments/apps/payment_accounts/admin.py

@@ -0,0 +1,5 @@
+from apps.base.utils.classmethod import register_admin_classes
+from django.apps import apps
+
+models = apps.get_models()
+register_admin_classes(models)