fusenapi/model/gmodel/fs_product_price_logic.go

package gmodel

import (
	"context"
	"errors"

	"gorm.io/gorm"
)

type GetPriceListByProductIdsRsp struct {
	ProductId int64  `json:"product_id"`
	Price     string `json:"price"`
}

func (p *FsProductPriceModel) GetSimplePriceListByProductIds(ctx context.Context, productIds []int64) (resp []GetPriceListByProductIdsRsp, err error) {
	if len(productIds) == 0 {
		return nil, nil
	}
	db := p.db.WithContext(ctx).Model(&FsProductPrice{}).Select("product_id,group_concat(step_price) as price").
		Where("`product_id` in (?) and `status` = ? group by product_id", productIds, 1)
	if err = db.Find(&resp).Error; err != nil {
		return nil, err
	}
	return
}
func (p *FsProductPriceModel) GetPriceListBySizeIds(ctx context.Context, sizeIds []int64) (resp []FsProductPrice, err error) {
	if len(sizeIds) == 0 {
		return
	}
	err = p.db.WithContext(ctx).Model(&FsProductPrice{}).Where("`size_id` in (?) and `status` = ? ", sizeIds, 1).Find(&resp).Error
	if err != nil {
		return nil, err
	}
	return
}

type FindOneProductPriceByParamsReq struct {
	ProductId  *int64
	MaterialId *int64
	SizeId     *int64
	Status     *int64
}

func (p *FsProductPriceModel) FindOneProductPriceByParams(ctx context.Context, req FindOneProductPriceByParamsReq) (resp FsProductPrice, err error) {
	db := p.db.WithContext(ctx).Model(&FsProductPrice{})
	if req.ProductId != nil {
		db = db.Where("`product_id` = ?", *req.ProductId)
	}
	if req.MaterialId != nil {
		db = db.Where("`material_id` = ?", *req.MaterialId)
	}
	if req.SizeId != nil {
		db = db.Where("`size_id` = ?", *req.SizeId)
	}
	if req.Status != nil {
		db = db.Where("`status` = ?", *req.Status)
	}
	if err = db.First(&resp).Error; err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
		return FsProductPrice{}, err
	}
	return resp, nil
}
func (p *FsProductPriceModel) GetPriceListByProductIds(ctx context.Context, productIds []int64) (resp []FsProductPrice, err error) {
	if len(productIds) == 0 {
		return nil, nil
	}
	db := p.db.WithContext(ctx).Model(&FsProductPrice{}).
		Where("`product_id` in (?) and `status` = ?", productIds, 1)
	if err = db.Find(&resp).Error; err != nil {
		return nil, err
	}
	return
}

// 产品价格
type ProductPrice struct {
	Id         int64       `json:"id"`
	MinBuyNum  int64       `json:"min_buy_num"`
	StepNum    interface{} `json:"step_num"`
	StepPrice  interface{} `json:"step_price"`
	ProductId  int64       `json:"product_id"`
	SizeId     int64       `json:"size_id"`
	EachBoxNum int64       `json:"each_box_num"`
}

func (c *FsProductPriceModel) GetAllSelectBySizeId(ctx context.Context, sizeIds []int64) (prices []*ProductPrice, err error) {
	var pprices []*FsProductPrice
	err = c.db.WithContext(ctx).Model(&FsProductPrice{}).Where("size_id IN (?) AND status = ?", sizeIds, 1).Select("id, min_buy_num, step_num, step_price, product_id, size_id, each_box_num").Find(&pprices).Error
	if err != nil {
		return nil, err
	}
	for _, p := range pprices {
		prices = append(prices, &ProductPrice{
			Id:         p.Id,
			MinBuyNum:  *p.MinBuyNum,
			StepNum:    *p.StepNum,
			StepPrice:  *p.StepPrice,
			ProductId:  *p.ProductId,
			SizeId:     *p.SizeId,
			EachBoxNum: *p.EachBoxNum,
		})
	}
	return prices, err
}