Golang web.Context類代碼示例

func (c *Index) RSS(ctx *web.Context) string {
	p := PostModelInit()
	results := p.RSS()

	ctx.ContentType("xml")
	return mustache.RenderFile("templates/rss.mustache", map[string][]map[string]string{"posts": results})
}

func Start(ctx *web.Context, handler *MHandler) *Session {
	session := new(Session)
	session.handler = handler
	session.handler.Clean()
	old := false
	if ctx.Cookies != nil {
		if id, exists := ctx.Cookies["bloody_sess"]; exists {
			session.id = id
			old = true
		}
	}
	if !old {
		// Starts new session
		session.generateId()
		session.handler.Store(session.GetID(), nil)
	}
	rt := session.handler.Retrieve(session.GetID())
	json.Unmarshal(rt.SessionData, &session.Data)
	if session.Data == nil {
		t := make(map[string]interface{})
		session.Data = t
	}
	ctx.SetCookie("bloody_sess", session.GetID(), time.Now().Unix()+3600)
	return session
}

func index(ctx *web.Context, val string) string {
	switch val {
	case "Liberator":
		ctx.Redirect(302, util.Settings.WebHome())
	}
	return val
}

func LoadPost(ctx *web.Context, val string) {
	username := ctx.Params["username"]
	password := ctx.Params["password"]

	salt := strconv.Itoa64(time.Nanoseconds()) + username

	var h hash.Hash = sha256.New()
	h.Write([]byte(password + salt))

	s, _err := conn.Prepare("INSERT INTO users VALUES(NULL, ?, ?, ?)")
	utils.ReportErr(_err)

	s.Exec(username, string(h.Sum()), salt)
	s.Finalize()
	conn.Close()
	sidebar := utils.Loadmustache("admin.mustache", &map[string]string{})

	//TESTING, REMOVE LATER
	script := "<script type=\"text/javascript\" src=\"../inc/adminref.js\"></script>"
	content := "Welcome to the admin panel, use the control box on your right to control the site content"
	//ENDTESTING

	mapping := map[string]string{"css": "../inc/site.css",
		"title":   "Proggin: Admin panel",
		"sidebar": sidebar,
		"content": content,
		"script":  script}

	output := utils.Loadmustache("frame.mustache", &mapping)
	ctx.WriteString(output)
}

func get_delete(ctx *web.Context, id string) {
	log.Printf("get_delete %s\n", id)
	if e, err := Load(id); err == nil {
		ctx.WriteString(page(edit_form("/delete", e.Id, e.Date, e.Body, "Really delete")))
	} else {
		ctx.WriteString(page("<p>Invalid ID</p>"))
	}
}

func checkGodLevel(ctx *web.Context) bool {
	godlevel, _ := ctx.GetSecureCookie("godlevel")
	godlevel = godHash(godlevel)
	if godlevel == admin_pass {
		return true
	}
	return false
}

func create_person(ctx *web.Context) {
	var p Personne
	Personnes := gouda.M(p)
	p.Id = 0
	p.Nom = ctx.Request.Params["nom"][0]
	p.Age, _ = strconv.Atoi(ctx.Request.Params["age"][0])
	Personnes.Save(p)
	ctx.Redirect(302, "/")
}

func (c *Index) ReadPost(ctx *web.Context, postId string) string {
	p := PostModelInit()
	result := p.RenderPost(postId)

	viewVars := make(map[string]interface{})
	viewVars["Title"] = result.Title
	viewVars["Content"] = result.Content
	viewVars["Date"] = time.Unix(result.Created, 0).Format(blogConfig.Get("dateFormat"))
	viewVars["Id"] = objectIdHex(result.Id.String())
	// To be used within the {{Comments}} blog
	viewVars["PostId"] = objectIdHex(result.Id.String())

	if result.Status == 0 {
		sessionH := session.Start(ctx, h)
		defer sessionH.Save()
		if sessionH.Data["logged"] == nil {
			ctx.Redirect(302, "/")
			return ""
		}
	}

	if blogConfig.Get("enableComment") != "" {
		viewVars["EnableComment"] = true
	} else {
		viewVars["EnableComment"] = false
	}

	// Render comments
	comments := make([]map[string]string, 0)
	for i, v := range result.Comments {
		comments = append(comments, map[string]string{
			"Number":  strconv.Itoa(i + 1),
			"Date":    time.Unix(v.Created, 0).Format(blogConfig.Get("dateFormat")),
			"Id":      v.Id[0:9],
			"RealId":  v.Id,
			"Content": v.Content,
			"Author":  v.Author})
	}
	viewVars["Comments"] = comments

	if next, exists := p.GetNextId(objectIdHex(result.Id.String())); exists {
		viewVars["Next"] = next
	}
	if last, exists := p.GetLastId(objectIdHex(result.Id.String())); exists {
		viewVars["Last"] = last
	}

	sessionH := session.Start(ctx, h)
	defer sessionH.Save()
	viewVars["Admin"] = false
	if sessionH.Data["logged"] != nil {
		viewVars["Admin"] = true
	}

	output := mustache.RenderFile("templates/view-post.mustache", viewVars)
	return render(output, result.Title)
}

func adminIndexGet(ctx *web.Context) string {
	sessionH := session.Start(ctx, h)
	defer sessionH.Save()
	if sessionH.Data["logged"] != nil {
		ctx.Redirect(302, "/admin/post/list")
		return ""
	}
	ctx.Redirect(302, "/admin/login")
	return ""
}

func saveHandler(ctx *web.Context, title string) {
	body, ok := ctx.Request.Params["body"]
	if !ok {
		ctx.Abort(500, "No body supplied.")
		return
	}
	page := makePage(title, string(body))
	page.save()
	redirect(ctx, "view", title)
}

/*redirects the shortened URL to the real URL*/
func redirect(ctx *web.Context, key string) {
	/*fetch our URL*/
	url, _ := redisClient.Get(getRedisKey(key))
	if url == nil {
		printError(ctx, "I can't find that URL")
	} else {
		/*redirect*/
		ctx.Redirect(301, string(url))
	}
}

func update_person(ctx *web.Context) {
	var p Personne
	Personnes := gouda.M(p)
	i, _ := strconv.Atoi(ctx.Request.Params["id"][0])
	p = Personnes.Where(gouda.F("id").Eq(i)).First().(Personne)
	p.Nom = ctx.Request.Params["nom"][0]
	p.Age, _ = strconv.Atoi(ctx.Request.Params["age"][0])
	Personnes.Save(p)
	ctx.Redirect(302, "/person/"+fmt.Sprint(p.Id))
}

func adminLoginGet(ctx *web.Context) string {
	sessionH := session.Start(ctx, h)
	defer sessionH.Save()
	if sessionH.Data["logged"] != nil {
		ctx.Redirect(302, "/admin/post/list")
		return ""
	}
	output := mustache.RenderFile("templates/admin-login.mustache")
	return render(output, "Login")
}

func newPostGet(ctx *web.Context) string {
	sessionH := session.Start(ctx, h)
	defer sessionH.Save()
	if sessionH.Data["logged"] == nil {
		ctx.Redirect(302, "/admin/login")
		return ""
	}
	output := mustache.RenderFile("templates/new-post.mustache")
	return render(output, "New Post")
}

func Get(ctx *web.Context, val string) {
	v := strings.Split(val, "/", 2)
	controllerName := ""
	actionName := ""
	if len(v) == 2 {
		controllerName, actionName = v[0], v[1]
	} else if len(v) == 1 {
		controllerName = v[0]
		actionName = "index"
	}

	if conType, ok := C.Controllers[controllerName]; ok {
		conTypePtr := reflect.PtrTo(conType)
		actionMethName := strings.ToUpper(string(actionName[0:1])) + actionName[1:]
		var actionMeth reflect.Method
		found := false
		for i := 0; i < conTypePtr.NumMethod(); i++ {
			if conTypePtr.Method(i).Name == actionMethName {
				actionMeth = conTypePtr.Method(i)
				found = true
				break
			}
		}
		if !found {
			return
		}
		conValue := reflect.New(conType)
		conIndirect := reflect.Indirect(conValue)

		// Inject Params
		conIndirect.FieldByName("Params").Set(reflect.ValueOf(ctx.Request.Params))

		// Inject beans
		for beanName, setterFunc := range bean.Registry() {
			if _, ok := conType.FieldByName(beanName); ok {
				if f := conIndirect.FieldByName(beanName); f.IsValid() {
					f.Set(reflect.ValueOf(setterFunc()))
				}
			}
		}

		action := actionMeth.Func
		ret := action.Call([]reflect.Value{conValue})
		if len(ret) == 2 {
			m := ret[0].Interface().(mv.Model)
			v := ret[1].Interface().(mv.View)
			controllerName = v.String()
			ctx.WriteString(mustache.RenderFile("app/view/"+controllerName+"/index.m", m))
		} else if len(ret) == 1 {
			m := ret[0].Interface().(mv.Model)
			ctx.WriteString(mustache.RenderFile("app/view/"+controllerName+"/"+actionName+".m", m))
		}
	}
	return
}