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72 lines
1.7 KiB
72 lines
1.7 KiB
package rest
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import (
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"net/http"
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"time"
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)
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//@Service
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type UserService struct {
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Bean
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userDao *UserDao
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sessionDao *SessionDao
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}
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//初始化方法
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func (this *UserService) Init() {
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this.Bean.Init()
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//手动装填本实例的Bean. 这里必须要用中间变量方可。
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b := CONTEXT.GetBean(this.userDao)
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if b, ok := b.(*UserDao); ok {
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this.userDao = b
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}
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b = CONTEXT.GetBean(this.sessionDao)
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if b, ok := b.(*SessionDao); ok {
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this.sessionDao = b
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}
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}
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//装载session信息，如果session没有了根据cookie去装填用户信息。
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//在所有的路由最初会调用这个方法
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func (this *UserService) bootstrap(writer http.ResponseWriter, request *http.Request) {
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//登录身份有效期以数据库中记录的为准
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//验证用户是否已经登录。
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sessionCookie, err := request.Cookie(COOKIE_AUTH_KEY)
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if err != nil {
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this.logger.Error("找不到任何登录信息")
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return
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}
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sessionId := sessionCookie.Value
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//去缓存中捞取
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cacheItem, err := CONTEXT.SessionCache.Value(sessionId)
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if err != nil {
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this.logger.Error("获取缓存时出错了" + err.Error())
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}
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//缓存中没有，尝试去数据库捞取
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if cacheItem == nil || cacheItem.Data() == nil {
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session := this.sessionDao.FindByUuid(sessionCookie.Value)
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if session != nil {
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duration := session.ExpireTime.Sub(time.Now())
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if duration <= 0 {
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this.logger.Error("登录信息已过期")
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} else {
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user := this.userDao.FindByUuid(session.UserUuid)
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if user != nil {
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//将用户装填进缓存中
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CONTEXT.SessionCache.Add(sessionCookie.Value, duration, user)
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} else {
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this.logger.Error("没有找到对应的user " + session.UserUuid)
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}
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}
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}
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}
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}
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