YouChuKoffee/app/services/ProductService.go

package services

import (
	"qteam/app/constants/errorcode"
	"qteam/app/http/entities/front"
	"qteam/app/models/productsmodel"
	"xorm.io/builder"
)

func MilkProductList() (code int, productList []productsmodel.MilkProductsList) {
	err := productsmodel.GetInstance().GetDb().Alias("a").
		Join("INNER", "brand b", "a.brand_id = b.id").
		Where("a.status = ?", 1).OrderBy("brand_id asc,price asc").Find(&productList)

	return handErr(err), productList
}

func ProductDetail(request front.ProductDetailRequest) (code int, product productsmodel.Products) {
	repo := productsmodel.GetInstance().GetDb()
	conn := builder.NewCond()
	if request.ProductId != 0 {
		conn = conn.And(builder.Eq{"id": request.ProductId})
	}
	has, err := repo.Where(conn).Get(&product)
	if !has {
		return errorcode.NotFound, product
	}
	return handErr(err), product
}

func GetProductImage(ProductId int) (main_image string) {
	repo := productsmodel.GetInstance().GetDb()
	conn := builder.NewCond()
	product := productsmodel.Products{}
	if ProductId != 0 {
		conn = conn.And(builder.Eq{"id": ProductId})
	}
	has, _ := repo.Where(conn).Get(&product)
	if !has {
		return main_image
	}
	return product.MainImage
}