goftp/service/file.go

package service

import (
	"goftp/models"
	"goftp/utils"
	"time"
)

func UpdateDownloadCount(fileName string) bool {
	file := models.FindFileByFileName(fileName)
	if file != nil {
		//文件存在
		currentCount := file.Downloadcount
		file.Downloadcount = currentCount + 1
		file.LastDownloadtime = time.Now()
		errUpdate := models.UpdateFile(file)
		if errUpdate == nil {
			return true
		}
	} else {
		//文件不存在
		insertFile := new(models.File)
		insertFile.Id = utils.GetUuid()
		insertFile.Name = fileName
		insertFile.Downloadcount = 1
		insertFile.LastDownloadtime = time.Now()
		errInsert := models.InsertFile(insertFile)
		if errInsert == nil {
			return true
		}
	}
	return false
}