付款单的的审核完成，和销售模型类

ERP_5/apps/financial_info/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

ERP_5/apps/financial_info/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class FinancialInfoConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'financial_info'

ERP_5/apps/financial_info/models.py

@@ -0,0 +1,79 @@
+from django.db import models
+from ERP_5.utils.base_model import BaseModel
+# 货币种类
+currency_choices = (
+    ('CNY', '人民币'),
+    ('USD', '美元'),
+    ('EUR', '欧元'),
+    ('JPY', '日元'),
+    ('HKD', '港币')
+)
+
+# 付款类型
+pay_choices = (
+    ('1', '采购定金'),
+    ('2', '采购货款'),
+    ('3', '欠款还款'),
+    ('4', '其他付款')
+)
+
+
+# 付款单的模型类
+class PaymentModel(BaseModel):
+    pay_date = models.DateTimeField('付款日期')
+    number_code = models.CharField('单据编号,不让用户填写', max_length=28)
+    discount_money = models.DecimalField('优惠金额(付款优惠),最多精确到小数点后两位', max_digits=10, default=0, decimal_places=2,
+                                         blank=True, null=True)
+    pay_money = models.DecimalField('合计 付款金额最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+    this_money = models.DecimalField('实际 付款金额最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+    remark = models.CharField('备注', max_length=512, blank=True, null=True)
+    currency = models.CharField('货币种类', max_length=20, null=True, choices=currency_choices, default='CNY')
+    pay_category = models.CharField('付款类型', max_length=2, null=True, choices=pay_choices, default='1')
+    status = models.CharField('状态,0:未审核,1:已审核', max_length=1, default='0')
+
+    account = models.ForeignKey('basic_info.SettlementAccountModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                verbose_name='结算账户，审核之后不能改')
+    operator_user = models.ForeignKey('erp_system.UserModel', related_name='operator_pay_list', null=True,
+                                      blank=True, on_delete=models.SET_NULL,
+                                      verbose_name='财务操作人员，不能修改')
+    # 增加一个冗余字段
+    operator_user_name = models.CharField('财务人员的真实姓名', max_length=20, null=True, blank=True)
+    check_user = models.ForeignKey('erp_system.UserModel', related_name='operator3_pay_list',  null=True, blank=True, on_delete=models.SET_NULL,
+                                   verbose_name='审核人员，不能修改')
+    # 增加一个冗余字段
+    check_user_name = models.CharField('审核人员的真实姓名', max_length=20, null=True, blank=True)
+
+    supplier = models.ForeignKey('basic_info.SupplierModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                 verbose_name='供应商，审核之后不能改')
+    # 增加一个冗余字段
+    supplier_name = models.CharField('供应商名称', max_length=30, null=True, blank=True)
+    purchase = models.ForeignKey('purchase_info.PurchaseModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                 verbose_name='采购订单，审核之后不能改')
+    attachment_list = models.CharField('附件的id列表，字段的值为: 1,2,3,4', max_length=20, null=True, blank=True)
+
+    class Meta:
+        db_table = 't_payment'
+        verbose_name = '付款单表'
+        verbose_name_plural = verbose_name
+        ordering = ['id']
+
+
+# 付款单中 付款项目的模型类
+class PaymentItemModel(BaseModel):
+    # 冗余字段
+    storage_code = models.CharField('采购入库单编号,不让用户填写', max_length=28)
+    purchase_storage = models.ForeignKey('warehouse_info.PurchaseStorageModel', related_name='pay_item_list', null=True, blank=True,
+                                         on_delete=models.SET_NULL, verbose_name='采购入库单')
+
+    payment = models.ForeignKey('PaymentModel', null=True, blank=True, related_name='item_list', on_delete=models.SET_NULL,
+                                verbose_name='付款单，不能改')
+    should_money = models.DecimalField('应该 付款金额(就是采购入库单中需要支付的金额)，最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+    this_money = models.DecimalField('本次 付款金额，最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+
+    remark = models.CharField('备注', max_length=512, blank=True, null=True)
+
+    class Meta:
+        db_table = 't_payment_item'
+        verbose_name = '付款单中的 付款项目表'
+        verbose_name_plural = verbose_name
+        ordering = ['id']

ERP_5/apps/financial_info/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

ERP_5/apps/financial_info/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

ERP_5/apps/financial_info/views/payment_views.py

@@ -1,15 +1,18 @@
 from django.db import transaction
-from django.db.models import Q
+from django.db.models import Q, F, Sum
 from drf_yasg import openapi
 from drf_yasg.utils import swagger_auto_schema
-from rest_framework import viewsets
+from rest_framework import viewsets, status
 from rest_framework.decorators import action
+from rest_framework.response import Response
 
 from ERP_5.utils.base_views import MultipleDestroyMixin, MultipleAuditMixin
 from ERP_5.utils.paginations import GlobalPagination
+from basic_info.models import SupplierModel, SettlementAccountModel
 from erp_system.models import UserModel
-from financial_info.models import PaymentModel
+from financial_info.models import PaymentModel, PaymentItemModel
 from financial_info.serializer.payment_serializer import PaymentSerializer
+from warehouse_info.models import PurchaseStorageModel
 
 
 class PaymentViewSet(viewsets.ModelViewSet, MultipleDestroyMixin, MultipleAuditMixin):
@@ -118,7 +121,6 @@ class PaymentViewSet(viewsets.ModelViewSet, MultipleDestroyMixin, MultipleAuditM
         'ids': openapi.Schema(type=openapi.TYPE_ARRAY, items=openapi.Schema(type=openapi.TYPE_INTEGER),
                               description="选择哪些需要批量的ID（主键）列表"),
         'user_id': openapi.Schema(type=openapi.TYPE_INTEGER, description="审核人的用户ID"),
-        'is_audit': openapi.Schema(type=openapi.TYPE_STRING, description="是否审核，审核：1")
     })
 
     @swagger_auto_schema(method='put', request_body=body_param, operation_description="批量审核")
@@ -131,5 +133,64 @@ class PaymentViewSet(viewsets.ModelViewSet, MultipleDestroyMixin, MultipleAuditM
         # 为了减少代码量，参数的验证就不写了
         queryset = self.get_queryset().filter(id__in=audit_ids).all()
         check_user = UserModel.objects.get(id=int(user_id))
-        for item in queryset:
+        for pm in queryset:  # 期中pm是付款单
-            pass
+            # 判断1：关联的采购单状态是否为“未审核”
+            if pm.purchase and pm.purchase.status == '0':
+                return Response(data={'detail': '采购订单未审核，不能付款'}, status=status.HTTP_400_BAD_REQUEST)
+            # 判断2 付款单的状态是否为：“已审核”
+            if pm.status == '1':
+                return Response(data={'detail': '付款单已经审核，不需要再次审核'}, status=status.HTTP_400_BAD_REQUEST)
+            # 判断3 结算账户的余额是否够用
+            if pm.this_money > pm.account.balance:
+                return Response(data={'detail': '选择的结算账户中的余额不够，不能付款'}, status=status.HTTP_400_BAD_REQUEST)
+
+            # 处理关联业务逻辑
+            # 业务一： 采购定金付款
+            if pm.pay_category == '1' and pm.purchase:
+                pm.purchase.status = '5'  #  已付定金
+                pm.purchase.save()
+            # 业务二： 供应商欠款 支付
+            if pm.pay_category == '3':
+                SupplierModel.objects.filter(id=pm.supplier.id).update(current_pay=F('current_pay') - pm.pay_money)
+            # 业务三： 入库货款 支付
+            if pm.pay_category == '2' and pm.purchase:
+                if pm.item_list.exists():  # 这种判断不回从数据库中返回数据
+                    for item in pm.item_list.all():   # 期中item是付款项目
+                        # 判断4： 入库单必须是已经审核状态
+                        if item.purchase_storage and item.purchase_storage.status != '1':
+                            return Response(data={'detail': '入库单未审核或者已经付款，不能付款'}, status=status.HTTP_400_BAD_REQUEST)
+                        # 业务三——第1种情况 对应的入库单，是否应该：付款完成 ，首先需要查询该入库单的已经付款金额之和
+                        sum_dict = PaymentItemModel.objects\
+                            .filter(purchase_storage_id=item.purchase_storage.id, payment__status='1')\
+                            .aggregate(sum=Sum('this_money'))
+                        pay_sum = sum_dict['sum'] if sum_dict['sum'] else 0
+                        if item.should_money == (pay_sum + item.this_money):
+                            item.purchase_storage.status = '2'  # 把入库单的状态修改为：付款完成
+                            item.purchase_storage.save()
+                        # 业务三——第2种情况 对应的采购单状态是否要改为：采购完成
+                        # 采购完成的条件： 1、该采购单必须是：全部入库状态；2、该采购单中 所有的入库单状态也都必须是：付款完成
+                        purchase = item.payment.purchase
+                        if purchase.status == '3':
+                            # 查询 该采购单中 所有入库单状态不是:'付款完成' 的有多少个？
+                            number = PurchaseStorageModel.objects\
+                                .filter(purchase_id=purchase.id)\
+                                .exclude(status='2').count()
+                            if number == 0:  # 则 所有的入库单状态都为：付款完成
+                                purchase.status = '4'  # 修改采购单状态为： 采购完成
+                                purchase.save()
+
+                else:
+                    return Response(data={'detail': '没有选择付款项目，支付货款的时候必须选择'}, status=status.HTTP_400_BAD_REQUEST)
+            # 至此： 三种业务都完成
+            # 业务四： 修改 结算账户的余额
+            SettlementAccountModel.objects.filter(id=pm.account.id)\
+                .update(balance=F('balance') - pm.this_money)
+
+            # 至此： 四种业务都完成，开始修改付款单的状态以及审核信息
+            # 审核
+            self.get_queryset().filter(id__in=audit_ids) \
+                .update(
+                status='1',
+                check_user_name=check_user.real_name,
+                check_user_id=check_user.id)
+            return Response(status=status.HTTP_200_OK)

ERP_5/apps/sale_info/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

ERP_5/apps/sale_info/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class SaleInfoConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'sale_info'

ERP_5/apps/sale_info/models.py

@@ -0,0 +1,71 @@
+from django.db import models
+from ERP_5.utils.base_model import BaseModel
+
+
+# 销售订单 模型类
+class SaleModel(BaseModel):
+    invoices_date = models.DateTimeField('单据日期')
+    number_code = models.CharField('单据编号,不让用户填写', max_length=28)
+    discount = models.DecimalField('优惠率,最多精确到小数点后两位', max_digits=5, decimal_places=2, blank=True, default=0)
+    discount_money = models.DecimalField('优惠金额(付款优惠),最多精确到小数点后两位', max_digits=10, decimal_places=2, blank=True,
+                                         default=0)
+    remark = models.CharField('备注', max_length=512, blank=True, null=True)
+    last_amount = models.DecimalField('优惠后总金额,最多精确到小数点后两位', max_digits=13, decimal_places=2, blank=True, default=0)
+    deposit = models.DecimalField('收取定金,最多精确到小数点后两位', max_digits=10, decimal_places=2, blank=True, default=0)
+
+    number_count = models.DecimalField('销售数量,最多精确到小数点后两位', max_digits=10, decimal_places=2, blank=True, default=0)
+    status = models.CharField('状态,0:未审核,1:已审核,2:部分发货,3:全部发货,4:完成销售,5:已收定金', max_length=1, default='0')
+
+    operator_user = models.ForeignKey('erp_system.UserModel', related_name='operator_sale_list', null=True,
+                                      blank=True, on_delete=models.SET_NULL,
+                                      verbose_name='销售操作人员，不能修改')
+    # 增加一个冗余字段
+    operator_user_name = models.CharField('销售人员的真实姓名', max_length=20, null=True, blank=True)
+    check_user = models.ForeignKey('erp_system.UserModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                   verbose_name='审核人员，不能修改')
+    # 增加一个冗余字段
+    check_user_name = models.CharField('审核人员的真实姓名', max_length=20, null=True, blank=True)
+
+    account = models.ForeignKey('basic_info.SettlementAccountModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                verbose_name='结算账户，审核之后不能改')
+
+    customer = models.ForeignKey('basic_info.CustomerModel', null=True, blank=True, on_delete=models.SET_NULL,
+                                 verbose_name='客户，审核之后不能改')
+    # 增加一个冗余字段
+    customer_name = models.CharField('客户名称', max_length=30, null=True, blank=True)
+
+    attachment_list = models.CharField('附件的id列表，字段的值为: 1,2,3,4', max_length=20, null=True, blank=True)
+
+    class Meta:
+        db_table = 't_sales'
+        verbose_name = '销售表'
+        verbose_name_plural = verbose_name
+        ordering = ['id']
+
+
+# 销售订单（货品项目） 模型类
+class SaleItemModel(BaseModel):
+    # 这些个也都是冗余字段, 减少查询的时候，表连接查询的次数
+    name = models.CharField(max_length=20, verbose_name='货品名称')
+    number_code = models.CharField('货品的编号或者批号', max_length=28, null=True, blank=True)
+    specification = models.CharField('货品规格', max_length=50, null=True, blank=True)
+    model_number = models.CharField('型号', max_length=50, null=True, blank=True)
+    color = models.CharField('颜色', max_length=50, null=True, blank=True)
+    units_name = models.CharField('单位名字', max_length=50, null=True, blank=True)
+    units = models.ForeignKey('goods_info.UnitsModel', on_delete=models.SET_NULL, null=True, blank=True)
+    remark = models.CharField('备注', max_length=512, blank=True, null=True)
+    sales_count = models.DecimalField('销售数量,最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+    sales_price = models.DecimalField('销售单价,最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+    sales_money = models.DecimalField('销售金额,最多精确到小数点后两位', max_digits=10, decimal_places=2, default=0)
+
+    sale = models.ForeignKey('SaleModel', related_name='item_list', null=True, blank=True,
+                             on_delete=models.CASCADE,
+                             verbose_name='销售单')
+    goods = models.ForeignKey('goods_info.GoodsModel', null=True, on_delete=models.SET_NULL,
+                              verbose_name='货品,必须要传')
+
+    class Meta:
+        db_table = 't_sales_items'
+        verbose_name = '销售订单的项目表'
+        verbose_name_plural = verbose_name
+        ordering = ['id']

ERP_5/apps/sale_info/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

ERP_5/apps/sale_info/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.