package model

import (
	"SciencesServer/app/common/model"
	"SciencesServer/serve/orm"
	"fmt"
)

type SysBanner struct {
	*model.SysBanner
}

// SysBannerInfo 轮播图信息
type SysBannerInfo struct {
	*model.SysBanner
	model.Area
}

// Banner 轮播图信息
func (m *SysBanner) Banner(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*SysBannerInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS b").
		Select("b.*", "t.province", "t.city").
		Joins(fmt.Sprintf("LEFT JOIN %s AS t ON b.tenant_id = t.id", model.NewSysTenant().TableName())).
		Where("b.is_deleted = ?", model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, wo := range where {
			db = db.Where(wo.Condition, wo.Value)
		}
	}
	out := make([]*SysBannerInfo, 0)

	if err := db.Count(count).Error; err != nil {
		return nil, err
	}
	if err := db.Order("b.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

func NewSysBanner() *SysBanner {
	return &SysBanner{model.NewSysBanner()}
}