feat: 利润走势

apps/statistic/filters.py

@@ -44,7 +44,16 @@ class SalesTrendFilter(FilterSet):
         fields = ['start_date', 'end_date']
 
 
+class ProfitTrendFilter(FilterSet):
+    start_date = DateFilter(field_name='sales_order__create_time', required=True, lookup_expr='gte', label='开始日期')
+    end_date = DateFilter(field_name='sales_order__create_time', required=True, lookup_expr='lt', label='结束日期')
+
+    class Meta:
+        model = SalesGoods
+        fields = ['start_date', 'end_date']
+
+
 __all__ = [
     'PurchaseReportFilter', 'SalesReportFilter',
-    'SalesHotGoodsFilter', 'SalesTrendFilter',
+    'SalesHotGoodsFilter', 'SalesTrendFilter', 'ProfitTrendFilter',
 ]

apps/statistic/permissions.py

@@ -17,7 +17,12 @@ class SalesTrendPermission(ModelPermission):
     code = 'sales_trend'
 
 
+class ProfitTrendPermission(ModelPermission):
+    code = 'profit_trend'
+
+
 __all__ = [
     'PurchaseReportPermission', 'SalesReportPermission',
     'SalesHotGoodsPermission', 'SalesTrendPermission',
+    'ProfitTrendPermission',
 ]

apps/statistic/schemas.py

@@ -82,11 +82,25 @@ class SalesTrendResponse(Serializer):
     warehouse_number = CharField(label='商品编号')
     warehouse_name = CharField(label='商品名称')
     total_sales_amount = AmountField(label='销售总金额')
-    date = DateField(label='商品ID')
+    date = DateField(label='日期')
+
+
+class ProfitTrendParameter(Serializer):
+    start_date = DateField(required=True, label='开始日期')
+    end_date = DateField(required=True, label='结束日期')
+
+
+class ProfitTrendResponse(Serializer):
+    warehouse = IntegerField(label='仓库ID')
+    warehouse_number = CharField(label='商品编号')
+    warehouse_name = CharField(label='商品名称')
+    total_profit_amount = AmountField(label='销售总利润')
+    date = DateField(label='日期')
 
 
 __all__ = [
     'PurchaseReportParameter', 'PurchaseReportStatisticResponse', 'PurchaseReportGroupByGoodsResponse',
     'SalesReportParameter', 'SalesReportStatisticResponse', 'SalesReportGroupByGoodsResponse',
     'SalesHotGoodsParameter', 'SalesHotGoodsResponse', 'SalesTrendParameter', 'SalesTrendResponse',
+    'ProfitTrendParameter', 'ProfitTrendResponse',
 ]

apps/statistic/urls.py

@@ -6,5 +6,6 @@ router = BaseRouter()
 router.register('purchase_reports', PurchaseReportViewSet, 'purchase_report')
 router.register('sales_reports', SalesReportViewSet, 'sales_report')
 router.register('sales_hot_goods', SalesHotGoodsViewSet, 'sales_hot_goods')
-router.register('sales_trends', SalesTrendViewSet, 'sales_trends')
+router.register('sales_trends', SalesTrendViewSet, 'sales_trend')
+router.register('profit_trends', ProfitTrendViewSet, 'profit_trend')
 urlpatterns = router.urls

apps/statistic/views.py

@@ -176,7 +176,32 @@ class SalesTrendViewSet(BaseViewSet, ListModelMixin):
         return Response(data=queryset, status=status.HTTP_200_OK)
 
 
+class ProfitTrendViewSet(BaseViewSet, ListModelMixin):
+    """利润走势"""
+
+    permission_classes = [IsAuthenticated, ProfitTrendPermission]
+    pagination_class = None
+    filterset_class = ProfitTrendFilter
+    queryset = SalesGoods.objects.all()
+
+    @extend_schema(parameters=[ProfitTrendParameter], responses={200: ProfitTrendResponse})
+    def list(self, request, *args, **kwargs):
+        queryset = self.filter_queryset(self.get_queryset())
+        queryset = queryset.select_related('sales_order__warehouse')
+        queryset = queryset.extra(select={'date': connection.ops.date_trunc_sql('day', 'create_time')})
+        queryset = queryset.values('sales_order__warehouse', 'date').annotate(
+            warehouse=F('sales_order__warehouse'),
+            warehouse_number=F('sales_order__warehouse__number'),
+            warehouse_name=F('sales_order__warehouse__name'),
+            total_profit_amount=Coalesce(Sum(
+                F('total_amount') - F('sales_quantity') * F('goods__purchase_price'),
+                output_field=AmountField()), Value(0, output_field=AmountField())),
+        ).values('warehouse', 'warehouse_number', 'warehouse_name', 'total_profit_amount', 'date')
+
+        return Response(data=queryset, status=status.HTTP_200_OK)
+
+
 __all__ = [
     'PurchaseReportViewSet', 'SalesReportViewSet',
-    'SalesHotGoodsViewSet', 'SalesTrendViewSet',
+    'SalesHotGoodsViewSet', 'SalesTrendViewSet', 'ProfitTrendViewSet',
 ]

documents/项目文档/报表统计/利润走势.md

@@ -0,0 +1,10 @@
+# 收支统计
+
+
+## 功能
+
+- 利润走势
+[/api/profit_trends/]{start_date, end_date}
+
+
+## 其他接口

documents/项目文档/菜单.md

@@ -8,6 +8,7 @@
     - 库存报表
     - 批次报表
     - 收支统计
+    - 利润走势
 - 基础数据
     - 客户分类
     - 客户