package service
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import (
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"aps_crm/model"
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"aps_crm/model/request"
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"aps_crm/pkg/ecode"
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"github.com/shopspring/decimal"
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"gorm.io/gorm"
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)
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type SalesDetailsService struct{}
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func (SalesDetailsService) AddSalesDetails(salesDetails *model.SalesDetails) int {
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salesDetails.AmountReceivable = decimal.Zero.Round(2)
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salesDetails.AmountInvoiced = decimal.Zero.Round(2)
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salesDetails.AmountReceived = decimal.Zero.Round(2)
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salesDetails.AmountUnInvoiced = decimal.Zero.Round(2)
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salesDetails.AmountTotal = decimal.Zero.Round(2)
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for _, product := range salesDetails.Products {
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salesDetails.AmountTotal = salesDetails.AmountTotal.Add(product.Amount.Mul(product.Price))
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}
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salesDetails.AmountTotal = salesDetails.AmountTotal.Round(2)
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salesDetails.AmountReceivable = salesDetails.AmountTotal
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salesDetails.AmountUnInvoiced = salesDetails.AmountTotal
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err := model.NewSalesDetailsSearch().Create(salesDetails)
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if err != nil {
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return ecode.SalesDetailsExist
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}
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return ecode.OK
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}
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func (SalesDetailsService) DeleteSalesDetails(id int) int {
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_, err := model.NewSalesDetailsSearch().SetId(id).First()
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if err != nil {
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return ecode.SalesDetailsNotExist
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}
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err = model.NewSalesDetailsSearch().SetId(id).Delete()
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if err != nil {
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return ecode.SalesDetailsNotExist
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}
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return ecode.OK
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}
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func (SalesDetailsService) BatchDeleteSalesDetails(ids []int) int {
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err := model.NewSalesDetailsSearch().DeleteByIds(ids)
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if err != nil {
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return ecode.DBErr
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}
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return ecode.OK
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}
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func (SalesDetailsService) UpdateSalesDetails(salesDetails *model.SalesDetails) int {
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// check salesDetails exist
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old, err := model.NewSalesDetailsSearch().SetId(salesDetails.Id).SetPreload(true).First()
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if err != nil {
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return ecode.SalesDetailsNotExist
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}
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var totalAmount decimal.Decimal
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totalAmount = salesDetails.AmountTotal
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for _, product := range salesDetails.Products {
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totalAmount = totalAmount.Add(product.Amount.Mul(product.Price))
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}
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salesDetails.AmountTotal = totalAmount.Round(2)
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salesDetails.AmountReceivable = salesDetails.AmountTotal.Sub(salesDetails.AmountReceived)
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salesDetails.AmountUnInvoiced = salesDetails.AmountTotal.Sub(salesDetails.AmountInvoiced)
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newProducts, removedProducts := NewProductsService().PickDiffProducts(salesDetails.Products, old.Products)
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err = model.WithTransaction(func(db *gorm.DB) error {
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err = model.NewSalesDetailsSearch().SetId(salesDetails.Id).Update(salesDetails)
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if err != nil {
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return err
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}
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if len(removedProducts) > 0 {
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removedProductIds := make([]uint, 0, len(removedProducts))
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for _, product := range removedProducts {
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totalAmount = totalAmount.Sub(product.Amount.Mul(product.Price))
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removedProductIds = append(removedProductIds, product.Id)
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}
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err = model.NewProductSearch(db).SetIds(removedProductIds).Delete()
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if err != nil {
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return err
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}
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}
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if len(newProducts) > 0 {
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for _, p := range newProducts {
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p.Id = 0
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}
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err = model.NewProductSearch(db).CreateBatch(newProducts)
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if err != nil {
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return err
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}
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var rel []*model.SalesDetailsProduct
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for _, p := range newProducts {
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rel = append(rel, &model.SalesDetailsProduct{
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SalesDetailsId: salesDetails.Id,
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ProductId: p.Id,
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})
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}
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err = model.NewSalesDetailsProductSearch().CreateBatch(rel)
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if err != nil {
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return err
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}
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}
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return nil
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})
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if err != nil {
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return ecode.SalesDetailsSetErr
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}
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return ecode.OK
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}
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func (SalesDetailsService) GetSalesDetailsList(params request.GetSalesDetailsList, memberIds []int) ([]*model.SalesDetails, int64, int) {
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// get contact list
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contacts, total, err := model.NewSalesDetailsSearch().
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SetPreload(true).
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SetMemberIds(memberIds).
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SetKeywordType(params.KeywordType).
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SetSaleChanceId(params.SaleChanceId).
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SetClientId(params.ClientId).
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SetKeyword(params.Keyword).SetPage(params.Page, params.PageSize).FindAll()
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if err != nil {
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return nil, 0, ecode.SalesDetailsListErr
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}
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return contacts, total, ecode.OK
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}
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