package service
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import (
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"encoding/json"
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"fmt"
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"github.com/shopspring/decimal"
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"github.com/xuri/excelize/v2"
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"strconv"
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"time"
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"wms/constvar"
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"wms/models"
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"wms/request"
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"wms/response"
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)
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type Detail struct {
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ProductId string `json:"productId"`
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Amount decimal.Decimal `json:"amount"`
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Status constvar.OperationStatus `json:"status"`
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MoreUnitValue string `json:"-" gorm:"type:varchar(255);comment:多单位值"`
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MoreUnitList []models.UnitItems `json:"moreUnitList" gorm:"-"`
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}
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type InventoryReportFormsService struct{}
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func NewInventoryReportFormsService() *InventoryReportFormsService {
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return &InventoryReportFormsService{}
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}
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func (slf *InventoryReportFormsService) Query(params request.GetInventoryForms) (result []*response.InventoryForms, err error) {
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var (
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materials = make([]*models.Material, 0)
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)
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search, productIds, productAmounts, locationIds, err := slf.BuildSearch(params)
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if err != nil {
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return nil, err
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}
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if params.Page*params.PageSize > 0 {
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search.Orm = search.Orm.Offset((params.Page - 1) * params.PageSize).Limit(params.PageSize)
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}
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if err := search.Orm.Find(&materials).Error; err != nil {
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return nil, err
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}
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//查询在库数量
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if len(productIds) == 0 {
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for _, material := range materials {
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productIds = append(productIds, material.ID)
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}
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productAmounts, err = models.NewLocationProductAmountSearch().SetProductIds(productIds).SetLocationIds(locationIds).Find()
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if err != nil {
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return nil, err
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}
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}
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//查询出入库就绪数量
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var inHouse []Detail
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var outHouse []Detail
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dbIn := models.NewOperationDetailsSearch().Orm.Model(&models.OperationDetails{}).
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Select("wms_operation_details.product_id,wms_operation_details.amount,wms_operation.status as status, more_unit_value").
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Joins("left join wms_operation ON wms_operation_details.operation_id=wms_operation.id").
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Where("wms_operation.base_operation_type in (?)", []constvar.BaseOperationType{constvar.BaseOperationTypeIncoming, constvar.BaseOperationTypeInternal}).
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Where("wms_operation.status in (?)", []constvar.OperationStatus{constvar.OperationStatus_Finish})
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dbOut := models.NewOperationDetailsSearch().Orm.Model(&models.OperationDetails{}).
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Select("wms_operation_details.product_id,wms_operation_details.amount,wms_operation.status as status, more_unit_value").
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Joins("left join wms_operation ON wms_operation_details.operation_id=wms_operation.id").
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Where("wms_operation.base_operation_type in (?)", []constvar.BaseOperationType{constvar.BaseOperationTypeOutgoing, constvar.BaseOperationTypeInternal, constvar.BaseOperationTypeDisuse}).
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Where("wms_operation.status in (?)", []constvar.OperationStatus{constvar.OperationStatus_Ready, constvar.OperationStatus_Finish})
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if len(locationIds) > 0 {
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dbIn.Where("wms_operation_details.to_location_id in (?)", locationIds)
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dbOut.Where("wms_operation_details.from_location_id in (?)", locationIds)
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}
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if len(productIds) > 0 {
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dbIn.Where("wms_operation_details.product_id in (?)", productIds)
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dbOut.Where("wms_operation_details.product_id in (?)", productIds)
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}
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err = dbIn.Find(&inHouse).Error
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if err != nil {
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return
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}
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for _, in := range inHouse {
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var arr []models.UnitItems
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if len(in.MoreUnitValue) != 0 {
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err := json.Unmarshal([]byte(in.MoreUnitValue), &arr)
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if err != nil {
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return nil, err
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}
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in.MoreUnitList = arr
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}
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}
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err = dbOut.Find(&outHouse).Error
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if err != nil {
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return
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}
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for _, out := range outHouse {
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var arr []models.UnitItems
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if len(out.MoreUnitValue) != 0 {
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err := json.Unmarshal([]byte(out.MoreUnitValue), &arr)
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if err != nil {
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return nil, err
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}
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out.MoreUnitList = arr
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}
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}
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for _, material := range materials {
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data := new(response.InventoryForms)
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data.ProduceId = material.ID
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data.ProductName = material.Name
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data.Cost = material.Cost
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data.Unit = material.Unit
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data.Value = material.Amount.Mul(material.Cost)
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data.ProductCategory = material.CategoryName
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data.ProductType = material.Type
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data.ProductSpecs = material.Specs
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for _, amount := range productAmounts {
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if material.ID == amount.ProductId {
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data.Amount = data.Amount.Add(amount.Amount)
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data.AmountMoreUnits = AddMoreUnit(data.AmountMoreUnits, amount.MoreUnitList)
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}
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}
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for _, details := range inHouse {
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if material.ID == details.ProductId {
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data.In = data.In.Add(details.Amount)
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data.InMoreUnits = AddMoreUnit(data.InMoreUnits, details.MoreUnitList)
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}
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}
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readyOutAmount := decimal.NewFromInt(0)
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readyOutAmountMoreUnitList := make([]models.UnitItems, 0)
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for _, details := range outHouse {
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if material.ID == details.ProductId {
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if details.Status == constvar.OperationStatus_Ready {
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readyOutAmount = readyOutAmount.Add(details.Amount)
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readyOutAmountMoreUnitList = AddMoreUnit(readyOutAmountMoreUnitList, details.MoreUnitList)
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} else {
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data.Out = data.Out.Add(details.Amount)
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data.OutMoreUnits = AddMoreUnit(data.OutMoreUnits, details.MoreUnitList)
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}
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}
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}
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data.AvailableNumber = data.Amount.Sub(readyOutAmount) //可用数量等于库存数量减待出库数量
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data.AvailableNumberMoreUnits = SubMoreUnit(data.AmountMoreUnits, readyOutAmountMoreUnitList) //可用多单位等于剩余数量减待出库数量
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result = append(result, data)
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}
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return
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}
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func (slf *InventoryReportFormsService) BuildSearch(params request.GetInventoryForms) (
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search *models.MaterialSearch,
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productIds []string,
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productAmounts []*models.LocationProductAmount,
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locationIds []int,
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err error) {
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productAmounts = make([]*models.LocationProductAmount, 0)
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locationSearch := models.NewLocationSearch()
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//if params.WarehouseCode != "" {
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// locationSearch.SetJointName(params.WarehouseCode)
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//}
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if params.WarehouseId > 0 {
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locationSearch.SetWarehouseId(params.WarehouseId)
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}
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locations, err := locationSearch.FindNotTotal()
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if err != nil {
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return nil, nil, nil, nil, err
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}
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for _, location := range locations {
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locationIds = append(locationIds, location.Id)
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}
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productAmounts, err = models.NewLocationProductAmountSearch().
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SetLocationIds(locationIds).SetQuery("amount > 0").
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Find()
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if err != nil {
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return nil, nil, nil, nil, err
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}
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for _, amount := range productAmounts {
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productIds = append(productIds, amount.ProductId)
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}
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//查询产品
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search = models.NewMaterialSearch()
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search.Orm = search.Orm.Model(&models.Material{}). // material
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Select(`material.id, material.name, material.cost, material.amount, material.unit, material.more_unit, material.more_unit_value, wms_product_category.name as category_name `).
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Joins("left join wms_product_category on material.category_id = wms_product_category.id")
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if len(params.CategoryIds) > 0 {
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search.Orm.Where("material.category_id in (?)", params.CategoryIds)
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}
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if params.KeyWord != "" {
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search.Orm.Where("material.name like ?", "%"+params.KeyWord+"%").Or("wms_product_category.name like ?", "%"+params.KeyWord+"%")
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}
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if len(productIds) > 0 {
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search.Orm.Where("material.id in (?)", productIds)
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}
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return search, productIds, productAmounts, locationIds, nil
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}
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func (slf *InventoryReportFormsService) Count(params request.GetInventoryForms) (total int64, err error) {
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search, _, _, _, err := slf.BuildSearch(params)
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if err != nil {
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return 0, err
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}
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if err := search.Orm.Count(&total).Error; err != nil {
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return 0, err
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}
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return total, nil
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}
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func (slf *InventoryReportFormsService) FetchAll(params request.GetInventoryForms) (list []*response.InventoryForms, err error) {
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total, err := slf.Count(params)
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if err != nil {
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return nil, err
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}
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list = make([]*response.InventoryForms, 0, total)
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params.PageSize = 500
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page := 1
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for {
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params.Page = page
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data, err := slf.Query(params)
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if err != nil {
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return nil, err
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}
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if len(data) == 0 {
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break
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}
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list = append(list, data...)
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page++
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}
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return
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}
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func (slf *InventoryReportFormsService) Export(dataList []*response.InventoryForms) (filename string, err error) {
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var fileName string
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f := excelize.NewFile()
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unitData, unitIndexMap := GetAllUnits()
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// 自定义表头
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headers := []interface{}{"产品", "产品类别", "单位成本", "总价值",
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map[string][]string{"在库": unitData},
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map[string][]string{"可用库存": unitData},
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map[string][]string{"入库": unitData},
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map[string][]string{"出库": unitData}}
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// 设置表头
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lastColumnNumber, err := SetExcelHeaders(headers, f)
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if err != nil {
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return
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}
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titleStyle, err := SetHeaderStyle(f)
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if err != nil {
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return
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}
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lastColumn := getColumnAlphabet(lastColumnNumber)
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f.SetCellStyle("Sheet1", "A1", lastColumn+"2", titleStyle)
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// 设置列宽
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f.SetColWidth("Sheet1", "A", "D", 30)
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f.SetColWidth("Sheet1", "E", lastColumn, 15)
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for i := 1; i <= 4; i++ {
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column := getColumnAlphabet(i)
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f.MergeCell("Sheet1", column+"1", column+"2") // 合并单元格
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}
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for i, v := range dataList {
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rowNumber := i + 3
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column := strconv.Itoa(rowNumber)
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f.SetCellValue("Sheet1", getColumnAlphabet(1)+column, v.ProductName)
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f.SetCellValue("Sheet1", getColumnAlphabet(2)+column, v.ProductType)
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f.SetCellValue("Sheet1", getColumnAlphabet(3)+column, v.Cost)
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f.SetCellValue("Sheet1", getColumnAlphabet(4)+column, v.Value)
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v.AmountMoreUnits = append(v.AmountMoreUnits, models.UnitItems{Amount: v.Amount, Unit: v.Unit})
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FillMoreUnitToExcel(v.AmountMoreUnits, 5, rowNumber, unitIndexMap, f)
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v.AvailableNumberMoreUnits = append(v.AvailableNumberMoreUnits, models.UnitItems{Amount: v.AvailableNumber, Unit: v.Unit})
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FillMoreUnitToExcel(v.AvailableNumberMoreUnits, 5+len(unitData), rowNumber, unitIndexMap, f)
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v.InMoreUnits = append(v.InMoreUnits, models.UnitItems{Amount: v.In, Unit: v.Unit})
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FillMoreUnitToExcel(v.InMoreUnits, 5+len(unitData)*2, rowNumber, unitIndexMap, f)
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v.OutMoreUnits = append(v.OutMoreUnits, models.UnitItems{Amount: v.Out, Unit: v.Unit})
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FillMoreUnitToExcel(v.OutMoreUnits, 5+len(unitData)*3, rowNumber, unitIndexMap, f)
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}
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fileName = fmt.Sprintf("库存报表%s.xlsx", time.Now().Format("2006-01-02-1504"))
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if err := f.SaveAs(fileName); err != nil {
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return fileName, err
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}
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return fileName, nil
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}
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// 根据索引获取 Excel 列名（A、B、C...）
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func getColumnAlphabet(index int) string {
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const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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if index <= 26 {
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return string(alphabet[index-1])
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}
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quotient := (index - 1) / 26
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remainder := (index - 1) % 26
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return getColumnAlphabet(quotient) + getColumnAlphabet(remainder+1)
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}
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