package model

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

type UserConsume struct {
	*model.UserConsume
}

func (m *UserConsume) Exchange(page, pageSize int, count *int64, consume *float64, where ...*model.ModelWhere) ([]*model.UserConsume, error) {
	db := orm.GetDB().Table(m.TableName()).
		Where("is_deleted = ?", model.DeleteStatusForNot)

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

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

func NewUserConsume() *UserConsume {
	return &UserConsume{model.NewUserConsume()}
}