package dao

import "time"

// File 文件表
type File struct {
	ID            int       `gorm:"primary_key;type:int" json:"id"`                     //编号
	OriginalName  string    `gorm:"type:varchar(45)" json:"originalName"`               //文件原始名
	EncryptedName string    `gorm:"type:varchar(45)" json:"encryptedName"`              //文件加密名
	SavePath      string    `gorm:"type:varchar(45)" json:"savePath"`                   //保存路径
	CategoryName  string    `gorm:"type:varchar(12)" json:"categoryName"`               //文件类别名
	AuthId        string    `gorm:"type:varchar(12);default:'100'" json:"authId"`       //权限id
	SuffixName    string    `gorm:"type:varchar(12)" json:"suffixName"`                 //文件后缀名
	UploadTime    time.Time `gorm:"column:upload_time;type:datetime" json:"uploadTime"` //上传时间
	Uploader      int       `gorm:"type:int" json:"uploader"`                           //上传者id
	IsShowed      int       `gorm:"type:int;default:0" json:"isShowed"`                 //收否展示 0=展示,1=不展示
	IsDeleted     int       `gorm:"type:int;default:0" json:"isDeleted"`                //是否删除 0=未删除,1=删除
}

func (*File) TableName() string {
	return "file"
}

func (f *File) Create() error {
	return Db.Model(&f).Save(&f).Error
}

func (f *File) GetUserFiles(uid int) ([]File, error) {
	var files []File
	err := Db.Table("file").
		Select("file.*").
		Joins("left join user_file uf on uf.file_id = file.id").
		Where("uf.receiver = ? AND file.is_showed = 0 AND file.is_deleted = 0", uid).
		Order("upload_time DESC").
		Group("file.id"). // 根据created_at字段降序排列
		Scan(&files).
		Error
	return files, err
}

func (f *File) GetFile(id string) (*File, error) {
	err := Db.Model(&f).Where("id = ?", id).First(&f).Error
	return f, err
}