使用 Ember 设置多个数据并使其在 Firebase 上持久化
Set multiple data with Ember and make it persist on Firebase
我正在尝试设置来自两个模型(具有 hasMany 和 belongsTo 关系)的数据并将它们保存到 firebase。
'list' 数据最终被保存到 firebase 而不是用户数据。
我认为我在第 3 步做错了。非常感谢你的帮助!
import Ember from 'ember';
export default Ember.Route.extend({
model: function() {
return this.store.find('list');
},
actions: {
createList: function() {
var newListTitle = this.controllerFor('lists').get('newListTitle');
var username = this.get('session.user.displayName');
alert(this.get('session.user.displayName'));
if (Ember.isBlank(newListTitle)) { return false; }
//1
var list = this.store.createRecord('list', {
title: newListTitle,
user: username,
});
//2
this.controllerFor('lists').set('newListTitle', '');
var _this = this;
//3
list.save().then(function(list) {
user.get('lists').addObject(list);
user.save();
_this.transitionTo('lists.show', list); //4
});
}
}
});
重构了您的添加逻辑以及用户定义的模型,还修改了您的路线,在编辑和查看模式下可能看起来像这样。这意味着您可以从 "model" 返回多个项目。
// Update models
App.List = DS.Model.extend({
value: DS.attr('string')
});
App.User = DS.Model.extend({
name: DS.attr('string')
});
App.UserLists = DS.Model.extend({
user: DS.belongsTo('user'),
list: DS.belongsTo('list')
});
export default Ember.Route.extend({
LIST:SHOW ROUTE
model: function(params) {
var store = this.get('store');
var userPromise = store.find('user', params.id);
return Ember.RSVP.hash({
user: userPromise,
userList : userPromise.then(function(user) {
return store.find(userList, { WhereUserIdIs : user.get('id') })
});
});
},
actions: {
createList: function() {
var self = this;
var failure = function(reason) {
// handle stuff
};
var list = this.store.createRecord('list', {
title: this.get('title'),
});
var user = this.get('user');
var usersList = store.createRecord('userList', {
'user': user,
'list': list
});
list.save().then(function(list) {
user.save().then(function() {
userList.save().then(function() {
self.transitionTo('lists.show', list.get('id'));
}, failure);
}, failure);
}, failure);
}
});
我正在尝试设置来自两个模型(具有 hasMany 和 belongsTo 关系)的数据并将它们保存到 firebase。
'list' 数据最终被保存到 firebase 而不是用户数据。
我认为我在第 3 步做错了。非常感谢你的帮助!
import Ember from 'ember';
export default Ember.Route.extend({
model: function() {
return this.store.find('list');
},
actions: {
createList: function() {
var newListTitle = this.controllerFor('lists').get('newListTitle');
var username = this.get('session.user.displayName');
alert(this.get('session.user.displayName'));
if (Ember.isBlank(newListTitle)) { return false; }
//1
var list = this.store.createRecord('list', {
title: newListTitle,
user: username,
});
//2
this.controllerFor('lists').set('newListTitle', '');
var _this = this;
//3
list.save().then(function(list) {
user.get('lists').addObject(list);
user.save();
_this.transitionTo('lists.show', list); //4
});
}
}
});
重构了您的添加逻辑以及用户定义的模型,还修改了您的路线,在编辑和查看模式下可能看起来像这样。这意味着您可以从 "model" 返回多个项目。
// Update models
App.List = DS.Model.extend({
value: DS.attr('string')
});
App.User = DS.Model.extend({
name: DS.attr('string')
});
App.UserLists = DS.Model.extend({
user: DS.belongsTo('user'),
list: DS.belongsTo('list')
});
export default Ember.Route.extend({
LIST:SHOW ROUTE
model: function(params) {
var store = this.get('store');
var userPromise = store.find('user', params.id);
return Ember.RSVP.hash({
user: userPromise,
userList : userPromise.then(function(user) {
return store.find(userList, { WhereUserIdIs : user.get('id') })
});
});
},
actions: {
createList: function() {
var self = this;
var failure = function(reason) {
// handle stuff
};
var list = this.store.createRecord('list', {
title: this.get('title'),
});
var user = this.get('user');
var usersList = store.createRecord('userList', {
'user': user,
'list': list
});
list.save().then(function(list) {
user.save().then(function() {
userList.save().then(function() {
self.transitionTo('lists.show', list.get('id'));
}, failure);
}, failure);
}, failure);
}
});