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Handling Validation Errors in Ember.js


Handling Validation Errors in Ember.js

By : user2955285
Date : November 22 2020, 10:38 AM
it helps some times Well as far as i understand ember it's normal this isn't working :
To save your model in your controller/route/view you are performing a save()operation which returns a promise. If a promise is rejected a function to handle this rejection can be executed with a reason as a parameter. In your case the DS.InvalidError object will become this reason.
code :
myModel.save().then(function(value){
  //success
},function(reason){
  //fail
});
actions: {
  submitForm : function(){
    this.set("errors",null);
    var ctx=this;
    myModel.save().then( function(){
      //display a succes msg ?
    }, function(errors){
      ctx.set("errors",errors);
    });
  }                              
}


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Handling server side validation with Ember Data

Handling server side validation with Ember Data


By : David Simen
Date : March 29 2020, 07:55 AM
it helps some times I'm having trouble handling server side validations with Ember and Ember Data. ,
is it the place where I should handle the errors?
code :
{{input value=firstName}}<p class="inline-help">{{errors.firstName}}</p>
Ember sample app with server-side validation handling

Ember sample app with server-side validation handling


By : Yuan Yao
Date : March 29 2020, 07:55 AM
this one helps. I'm looking for an Ember open-source or sample app, using Ember-data, that is relying on an API and that handles server-side validation. , If your API returns validations errors with a 422, similar to:
code :
{"errors":{"email":["can't be blank"]}}
{{view Ember.TextField id="email" placeholder="Email" valueBinding="email"}}<span class="alert-error">{{errors.email}}</span>
Ember and Rails, Handling backend errors

Ember and Rails, Handling backend errors


By : rms
Date : March 29 2020, 07:55 AM
this will help You need to handle the failure state of the save-promise to prevent Ember Data from bubbling the failure up to the console.
code :
permission.save().then(function(){
  route.transitionTo('permissions');
}, function() {
  // Couldn't save, do nothing about it.
});
Handling errors with the (now default) Ember Data JSON-API adapter

Handling errors with the (now default) Ember Data JSON-API adapter


By : Brad
Date : March 29 2020, 07:55 AM
I wish this helpful for you I am using Ember 1.13.7 and Ember Data 1.13.8, which by default use the JSON-API standard to format the payloads sent to and received from the API. , Note the answer below is based on the following versions:
code :
DEBUG: -------------------------------
ember.debug.js:5442DEBUG: Ember                     : 1.13.8
ember.debug.js:5442DEBUG: Ember Data                : 1.13.9
ember.debug.js:5442DEBUG: jQuery                    : 1.11.3
DEBUG: -------------------------------
{
    "errors": [
     {}
    ]
}  
{
    "errors": [
     {
        "detail": "The attribute `is-admin` is required",
        "source": {
             "pointer": "data/attributes/is-admin"
         }
     }
    ]
}  
model.save().then(function(){
    // yay! it worked
}, function(){
    // it failed for some reason possibly a Bad Request (400)
    // possibly a validation error (422)
}
model.get('errors.isAdmin');
[
   {
      "attribute": "isAdmin",
      "message": "The attribute `is-admin` is required"
    }
]
{{#each model.errors.isAdmin as |error|}}
    <div class="error">
      {{error.message}}
    </div>
{{/each}}
import DS from "ember-data";
import Ember from "ember";

export default DS.JSONAPIAdapter.extend({
  handleResponse: function(status, headers, payload){
    if(status === 400 && payload.errors){
      return new DS.InvalidError(payload.errors);
    }
    return this._super(...arguments);
  }
});
Ember: Suggestions welcome for handling inFlight errors

Ember: Suggestions welcome for handling inFlight errors


By : Jared
Date : March 29 2020, 07:55 AM
Hope this helps It may not be within the scope of what you are trying to do, but the Ember Persistence Foundation is designed to allow updating your models while a save is still in flight.
It is relatively trivial to migrate your models to EPF, but there are some changes required in the controller code, see "Migrating from Ember Data".
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