package models

import "gorm.io/gorm"

type AppFileType string

const (
	AppFileTypeLessonPlan AppFileType = "lesson_plan"
)

type AppFile struct {
	gorm.Model
	FileType         AppFileType `gorm:"type:varchar(64);not null;index" json:"fileType"`
	OriginalFilename string      `gorm:"size:255;not null" json:"originalFilename"`
	StoredFilename   string      `gorm:"size:255;not null;uniqueIndex" json:"storedFilename"`
	FilePath         string      `gorm:"size:1024;not null" json:"filePath"`
	ContentType      string      `gorm:"size:255;not null" json:"contentType"`
	FileSize         int64       `gorm:"not null" json:"fileSize"`
	MD5              string      `gorm:"size:32;not null;uniqueIndex" json:"md5"`
	UploaderID       uint        `gorm:"not null;index" json:"uploaderId"`
	UploaderName     string      `gorm:"size:255;not null;index" json:"uploaderName"`
	DownloadCount    int64       `gorm:"not null;default:0" json:"downloadCount"`
	LastDownloadAt   *int64      `gorm:"type:bigint;index" json:"lastDownloadAt"`
}

func (AppFile) TableName() string {
	return "app_files"
}