Ember.js 余烬数据未找到属性名称的模型

Ember.js 余烬数据未找到属性名称的模型,ember.js,ember-data,Ember.js,Ember Data,我已经定义了一个模型(app/models/job.js) 我正在尝试从索引控制器(app/controllers/index.js)加载它 我得到的HTTP响应是: { "status": "OK", "result": { "b": 2, "a": 2, "see": 1, "c": 1 } } 我如何得到以下错误和警告: WARNING: Encountered "status" in payload

我已经定义了一个模型(app/models/job.js)

我正在尝试从索引控制器(app/controllers/index.js)加载它

我得到的HTTP响应是:

{
    "status": "OK",
    "result": {
        "b": 2,
        "a": 2,
        "see": 1,
        "c": 1
    }
}
我如何得到以下错误和警告:

WARNING: Encountered "status" in payload, but no model was found for model name "status" (resolved model name using next-gen-analytics@serializer:job:.modelNameFromPayloadKey("status"))
WARNING: Encountered "result" in payload, but no model was found for model name "result" (resolved model name using next-gen-analytics@serializer:job:.modelNameFromPayloadKey("result"))
TypeError: Cannot read property '_internalModel' of undefined
at finders.js:50
at Object.Backburner.run (ember.debug.js:224)
at ember$data$lib$system$store$$Service.extend._adapterRun (store.js:2043)
at finders.js:45
at tryCatch (ember.debug.js:56151)
at invokeCallback (ember.debug.js:56166)
at publish (ember.debug.js:56134)
at ember.debug.js:32577
at Queue.invoke (ember.debug.js:910)
at Object.Queue.flush (ember.debug.js:974)onerrorDefault @ ember.debug.js:32616exports.default.trigger @ ember.debug.js:56792Promise._onerror @ ember.debug.js:57758publishRejection @ ember.debug.js:56065(anonymous function) @ ember.debug.js:32577Queue.invoke @ ember.debug.js:910Queue.flush @ ember.debug.js:974DeferredActionQueues.flush @ ember.debug.js:770Backburner.end @ ember.debug.js:160Backburner.run @ ember.debug.js:228run @ ember.debug.js:20238ember$data$lib$system$adapter$$default.extend.ajax.Ember.RSVP.Promise.hash.success @ rest-adapter.js:831jQuery.Callbacks.fire @ jquery.js:3148jQuery.Callbacks.self.fireWith @ jquery.js:3260done @ jquery.js:9314jQuery.ajaxTransport.send.callback @ jquery.js:9718
如有任何建议,将不胜感激

更新 我认为这是一个bug,所以我在ember data github repo上记录了一个bug,在一个小时左右(NICE)内得到了@wecc的响应

为了解决这个问题,我编写了自己的序列化程序

import DS from 'ember-data';

export default DS.RESTSerializer.extend({
normalizePayload: function(payload) {
    return {
        'job': {
            id: '9e5ce869-89b3-4bfc-a70f-034593c21eae',
            status: payload.status,
            result: payload.result
        }
    };

}
});
现在,它开始工作了


观点我能想到他们为什么以这种方式实现默认的RESTSerializer,但我们可能应该向用户提供更多关于余烬数据文档的信息,否则,尝试使用它的新手会迷路。

我试着调试它,我发现代码转到rest-serializer.js和extractSingle函数,然后转到“if(!store.modelFactoryFor(modelName)){”行并返回“false”

1) 您的服务器响应应该有一个与模型同名的根元素。因此,对于单个对象,它应该是:

{
    "job": {
        "id": "<backend must provide an id, integer preferred>"
        "status": "OK",
        "result": {
            "b": 2,
            "a": 2,
            "see": 1,
            "c": 1
        }
}
{
“工作”:{
“id”:”
“状态”:“确定”,
“结果”:{
“b”:2,
“a”:2,
"见":一,,
“c”:1
}
}
对于多个对象:

{
    "jobs": [{
        "id": "<backend must provide an id, integer preferred>"
        "status": "OK",
        "result": {
            "b": 2,
            "a": 2,
            "see": 1,
            "c": 1
        }, {/*next object*/}]
}
{
“工作”:[{
“id”:”
“状态”:“确定”,
“结果”:{
“b”:2,
“a”:2,
"见":一,,
“c”:1
},{/*下一个对象*/}]
}

我在ember data github()中记录了一个bug,从Christoff Persson(wecc)那里得到了相同的答案。在我的情况下,我使用的是第三方api,我不能要求更改api响应,有没有办法将其设置到我这边?@RogerRussel有几种方法。例如,您可以覆盖适配器的方法。或序列化程序的方法。我想说,在大多数情况下,序列化程序的
规范化
是正确的选择。
extractSingle: function (store, primaryTypeClass, rawPayload, recordId) {
Ember.deprecate("`serializer.normalizePayload` has been deprecated. Please use `serializer.normalizeResponse` with the new Serializer API to modify the payload.", this.normalizePayload === JSONSerializer.prototype.normalizePayload, {
  id: "ds.serializer.normalize-payload-deprecated",
  until: "2.0.0"
});
var payload = this.normalizePayload(rawPayload);
var primaryRecord;

for (var prop in payload) {
  var modelName = this.modelNameFromPayloadKey(prop);

  if (!store.modelFactoryFor(modelName)) {
    Ember.warn(this.warnMessageNoModelForKey(prop, modelName), false, {
      id: "ds.serializer.model-for-key-missing"
    });
    continue;
  }
  var isPrimary = this.isPrimaryType(store, modelName, primaryTypeClass);
  var value = payload[prop];
{
    "job": {
        "id": "<backend must provide an id, integer preferred>"
        "status": "OK",
        "result": {
            "b": 2,
            "a": 2,
            "see": 1,
            "c": 1
        }
}
{
    "jobs": [{
        "id": "<backend must provide an id, integer preferred>"
        "status": "OK",
        "result": {
            "b": 2,
            "a": 2,
            "see": 1,
            "c": 1
        }, {/*next object*/}]
}