cas_tt_cloud_backend/app/api/admin/model/activity_join.go

package model

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

type ActivityJoin struct {
	*model.ActivityJoin
}

type ActivityJoinInfo struct {
	model.Model
	Name      string    `json:"name"`
	CreatedAt time.Time `json:"created_at"`
}

func (m *ActivityJoin) Join(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ActivityJoinInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS j").
		Select("j.id", "u.name", "j.created_at").
		Joins(fmt.Sprintf("LEFT JOIN %s AS u ON j.uid = u.uuid", model.NewUserInstance().TableName())).
		Where("j.is_deleted = ?", model.DeleteStatusForNot).
		Where("j.status = ?", model.ActivityJoinStatusForSuccess)

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

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

func NewActivityJoin() *ActivityJoin {
	return &ActivityJoin{model.NewActivityJoin()}
}