fusenapi/model/fsproductpricemodel.go

package model

import (
	"context"
	"fmt"
	"github.com/zeromicro/go-zero/core/stores/sqlc"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
	"strings"
)

var _ FsProductPriceModel = (*customFsProductPriceModel)(nil)

type (
	// FsProductPriceModel is an interface to be customized, add more methods here,
	// and implement the added methods in customFsProductPriceModel.
	FsProductPriceModel interface {
		fsProductPriceModel
		GetPriceListByProductIds(ctx context.Context, productIds []string) (resp []GetPriceListRsp, err error)
		GetPriceListBySizeIds(ctx context.Context, sizeIds []string) (resp []FsProductPrice, err error)
		FindOneByProductIdMaterialIdSizeId(ctx context.Context, productId int64, materialId int64, sizeId int64) (*FsProductPrice, error)
	}

	customFsProductPriceModel struct {
		*defaultFsProductPriceModel
	}
)

// NewFsProductPriceModel returns a model for the database table.
func NewFsProductPriceModel(conn sqlx.SqlConn) FsProductPriceModel {
	return &customFsProductPriceModel{
		defaultFsProductPriceModel: newFsProductPriceModel(conn),
	}
}

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

func (m *defaultFsProductPriceModel) GetPriceListByProductIds(ctx context.Context, productIds []string) (resp []GetPriceListRsp, err error) {
	if len(productIds) == 0 {
		return nil, nil
	}
	query := fmt.Sprintf("select %s from %s  where `product_id` in (?) and `status` = ? group by product_id", "product_id,group_concat(step_price) as price ", m.table)
	if err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(productIds, ","), 1); err != nil {
		return nil, err
	}
	return
}
func (m *defaultFsProductPriceModel) FindOneByProductIdMaterialIdSizeId(ctx context.Context, productId int64, materialId int64, sizeId int64) (*FsProductPrice, error) {
	var resp FsProductPrice
	query := fmt.Sprintf("select %s from %s where `product_id` = ? and `material_id` = ? and `size_id` = ? limit 1", fsProductPriceRows, m.table)
	err := m.conn.QueryRowCtx(ctx, &resp, query, productId, materialId, sizeId)
	switch err {
	case nil:
		return &resp, nil
	case sqlc.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}

func (m *defaultFsProductPriceModel) GetPriceListBySizeIds(ctx context.Context, sizeIds []string) (resp []FsProductPrice, err error) {
	if len(sizeIds) == 0 {
		return nil, nil
	}
	query := fmt.Sprintf("select %s from %s  where `size_id` in (?) and `status` = ? ", fsProductPriceRows, m.table)
	if err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(sizeIds, ","), 1); err != nil {
		return nil, err
	}
	return
}