zhangqian
2023-08-10 12e09639dcbfa63b5a23cde8642b72829d4f3a3b
service/invoice.go
@@ -1,9 +1,11 @@
package service
import (
   "aps_crm/constvar"
   "aps_crm/model"
   "aps_crm/model/request"
   "aps_crm/pkg/ecode"
   "github.com/shopspring/decimal"
   "gorm.io/gorm"
)
@@ -15,30 +17,32 @@
func (InvoiceService) AddInvoice(invoice *model.Invoice) int {
   err := model.WithTransaction(func(db *gorm.DB) error {
      err := model.NewInvoiceSearch().Create(invoice)
   if invoice.SourceType == constvar.InvoiceSourceTypeServiceContract {
      serviceContract, err := model.NewServiceContractSearch().SetId(invoice.SourceId).SetPreload(true).First()
      if err != nil {
         return err
         return ecode.DBErr
      }
      //if invoice.SourceType == constvar.InvoiceSourceTypeServiceContract {
      //   contract,err := model.NewServiceContractSearch().SetId(invoice.SourceId).First()
      //   if err != nil {
      //      return err
      //   }
      //   AmountInvoiced := contract.AmountReceived.Add()
      //   err := model.NewServiceContractSearch().SetId(invoice.SourceId).UpdateByMap(map[string]interface{}{
      //      "amount_received" :
      //   })
      //   if err != nil {
      //      return err
      //   }
      //}
      return nil
   })
   if err != nil {
      return ecode.DBErr
      var amountInvoiced decimal.Decimal
      rightProducts := NewProductsService().PickRightProducts(invoice.Products, serviceContract.Products)
      for _, product := range rightProducts {
         amountInvoiced = serviceContract.AmountInvoiced.Add(product.Amount.Mul(product.Price))
      }
      amountInvoiced = amountInvoiced.Round(2)
      if amountInvoiced.GreaterThan(serviceContract.AmountReceivable) {
         return ecode.SContractInvoiceProductPriceGreaterThanReceivableAmountErr
      }
      err = model.WithTransaction(func(db *gorm.DB) error {
         err = model.NewInvoiceSearch().Create(invoice)
         if err != nil {
            return err
         }
         return model.NewServiceContractSearch().SetId(invoice.SourceId).UpdateByMap(map[string]interface{}{
            "amount_invoiced": amountInvoiced,
         })
      })
      if err != nil {
         return ecode.DBErr
      }
   }
   return ecode.OK
@@ -79,9 +83,43 @@
}
func (InvoiceService) UpdateInvoice(invoice *model.Invoice) int {
   err := model.NewInvoiceSearch().SetId(invoice.Id).Save(invoice)
   if err != nil {
      return ecode.DBErr
   if invoice.SourceType == constvar.InvoiceSourceTypeServiceContract {
      serviceContract, err := model.NewServiceContractSearch().SetId(invoice.SourceId).SetPreload(true).First()
      if err != nil {
         return ecode.DBErr
      }
      var amountInvoiced decimal.Decimal
      newProducts, removedProducts := NewProductsService().PickDiffProducts(invoice.Products, serviceContract.Products)
      for _, product := range newProducts {
         amountInvoiced = serviceContract.AmountInvoiced.Add(product.Amount.Mul(product.Price))
      }
      removedProductIds := make([]uint, 0, len(removedProducts))
      for _, product := range removedProducts {
         amountInvoiced = serviceContract.AmountInvoiced.Sub(product.Amount.Mul(product.Price))
         removedProductIds = append(removedProductIds, product.Id)
      }
      amountInvoiced = amountInvoiced.Round(2)
      if amountInvoiced.GreaterThan(serviceContract.AmountReceivable) {
         return ecode.SContractInvoiceProductPriceGreaterThanReceivableAmountErr
      }
      err = model.WithTransaction(func(db *gorm.DB) error {
         err = model.NewInvoiceSearch().SetId(invoice.Id).Save(invoice)
         if err != nil {
            return err
         }
         if len(removedProductIds) > 0 {
            err = model.NewInvoiceProductSearch().SetInvoiceId(invoice.Id).SetProductIds(removedProductIds).Delete()
            if err != nil {
               return err
            }
         }
         return model.NewServiceContractSearch().SetId(invoice.SourceId).UpdateByMap(map[string]interface{}{
            "amount_invoiced": amountInvoiced,
         })
      })
      if err != nil {
         return ecode.DBErr
      }
   }
   return ecode.OK
}