assets/dao/stock/stock_details_dao.go

// 库存明细DAO层(逻辑库存)
// 职责：批量插入/删除、按SKU统计数量、查询列表
// 紧密耦合：service.StockDetails、service.StockManage(入库出库)
// 注意：GetStockCountBySkuId使用NoCache()跳过缓存，BatchInsert用于批量入库
package dao

import (
	"assets/consts/public"
	dto "assets/model/dto/stock"
	entity "assets/model/entity/stock"
	"context"

	"gitea.com/red-future/common/db/gfdb"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/util/gconv"
)

var StockDetails = new(stockDetails)

type stockDetails struct {
}

// BatchInsert 批量插入库存
func (d *stockDetails) BatchInsert(ctx context.Context, req []*dto.CreateSockDetailsReq) (rows int64, err error) {
	var res []*entity.StockDetails
	if err = gconv.Structs(req, &res); err != nil {
		return
	}
	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameStockDetails).Data(res).Save()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

func (d *stockDetails) Delete(ctx context.Context, req []dto.DeleteSockDetailsReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, public.TableNameStockDetails).Where(entity.StockDetailsCol.Id, &req).Delete()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

func (d *stockDetails) Count(ctx context.Context, req *dto.GetSockDetailsReq) (count int, err error) {
	return d.buildListFilter(ctx, req).Count()
}

func (d *stockDetails) List(ctx context.Context, req *dto.GetSockDetailsReq, fields ...string) (res []entity.StockDetails, total int, err error) {
	model := d.buildListFilter(ctx, req).Fields(fields)
	model.OrderDesc(entity.StockDetailsCol.CreatedAt)
	if req.Page != nil {
		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
	}
	r, total, err := model.AllAndCount(false)
	if err != nil {
		return
	}
	err = r.Structs(&res)
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *stockDetails) buildListFilter(ctx context.Context, req *dto.GetSockDetailsReq) *gdb.Model {
	model := gfdb.DB(ctx).Model(ctx, public.TableNameStockDetails).Model.OmitEmpty()
	model.Where(entity.StockDetailsCol.Id, req.Id)
	model.Where(entity.StockDetailsCol.AssetId, req.AssetId)
	model.Where(entity.StockDetailsCol.AssetSkuId, req.AssetSkuId)
	model.Where(entity.StockDetailsCol.Status, req.Status)
	return model
}