我应该如何将用户的登录状态传递给我的Ember.js应用程序? [英] How should I pass user's login status to my Ember.js application?
问题描述
有两个问题出现在我的脑海里:
- 如果用户登录,或许他的数据,我该如何告诉应用程序? li>
- 如何根据登录状态隐藏特定功能和项目?
有没有最好的接近这个做法?我猜这个登录过程本身不会那么复杂,但是如果已登录的话,$ code? do_x else do_y 对我来说是一个很大的未知数。我应该在哪里存储全局用户状态?
如果您使用的是ember路由器,那么我的建议是建筑师解决方案如下
LoginController
App.LoginController = Ember.Controller.extend({
login:function(params){/ *你的逻辑在这里* /},
logout:function(params){/ *你的逻辑在这里* /} ,
user_data_hash:{first_name:the,last_name:Hobbit},
is_logged_in:(function(){
/ *做一些逻辑和返回true或false * /
})。property('some_item_on_user_data_hash')
just_logged_in:(function(){
/ *做一些逻辑并返回true或false *
})。property('some_item_on_user_data_hash')
然后在路由器允许导航之前到一个受保护的路由,你可以查看 LoginController
对象来自此答案。
root:Ember.Route.extend({
index:Ember.Route.extend({
enter:function(router){
var logged_in = router.get('loginController .is_logged_in'); / *或者在较旧的ember中构建`router.getPath('loginController.is_logged_in');`* /
var just_logged_in = router.get('loginController.just_logged_in'); / *或者在较旧的ember中构建`router.getPath('loginController.just_logged_in');`* /
Ember.run.next(function(){
if(logged_in&& just_logged_in){
router.transitionTo('loggedIn');
} else if(!logged_in){
router.transitionTo('loggedOut');
}
});
}
}),
loggedIn:Ember.Route.extend({
// ...
}),
loggedOut:Ember.Route.extend({
// ...
})
})
I have an interactive Ember app which has a lot of options which are available only to signed in users. For example there might be a list of posts, and then there's another link to my posts, which are relevant to the user.
There are two issues that come to my mind:
- how do I tell the app if a user is logged in, and maybe his data?
- how do I hide specific features and items based on his login state?
Are there any best practices for approaching this? I guess the login process itself won't be that complicated, but the if logged_in? do_x else do_y
is a big unknown for me atm. Where should I store the global user state?
If you are using the ember router, then my suggestion would be to architect a solution like this
LoginController
App.LoginController = Ember.Controller.extend({
login: function(params){ /* Your logic here */ },
logout: function(params){ /* Your logic here */},
user_data_hash: { first_name: "The", last_name: "Hobbit"},
is_logged_in: (function() {
/* do some logic and return true or false */
}).property('some_item_on_user_data_hash')
just_logged_in: (function() {
/* do some logic and return true or false */
}).property('some_item_on_user_data_hash')
Then in your router before you allow navigation to a protected route, you check with the LoginController
object. This example is take from this answer.
root: Ember.Route.extend({
index: Ember.Route.extend({
enter: function(router) {
var logged_in = router.get('loginController.is_logged_in'); /*Or in older ember builds `router.getPath('loginController.is_logged_in');`*/
var just_logged_in = router.get('loginController.just_logged_in'); /*Or in older ember builds `router.getPath('loginController.just_logged_in');`*/
Ember.run.next(function() {
if (logged_in && just_logged_in) {
router.transitionTo('loggedIn');
} else if (!logged_in) {
router.transitionTo('loggedOut');
}
});
}
}),
loggedIn: Ember.Route.extend({
// ...
}),
loggedOut: Ember.Route.extend({
// ...
})
})
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