thinkoner/thinkgo

package session

import (
    "path"
    "time"

    "github.com/forgoer/thinkgo/filesystem"
)

type FileHandler struct {
    Path     string
    Lifetime time.Duration
}

func (c *FileHandler) Read(id string) string {

    savePath := path.Join(c.Path, id)

    if ok, _ := filesystem.Exists(savePath); ok {
        modTime, _ := filesystem.ModTime(savePath)
        if modTime.After(time.Now().Add(-c.Lifetime)) {
            data, err := filesystem.Get(savePath)
            if err != nil {
                panic(err)
            }
            return string(data)
        }
    }
    return ""
}

func (c *FileHandler) Write(id string, data string) {
    savePath := path.Join(c.Path, id)

    err := filesystem.Put(savePath, data)

    if err != nil {
        panic(err)
    }
}