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POHow to createRecord with belongsTo association with Ember.js & Rails?
 

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  1. POHow to createRecord with belongsTo association with Ember.js & Rails?
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    <p>I'm having trouble with a belongsTo association and sending a foreign key to my Rails controller with Ember.js and ember-data. My Ember.js controller will send the Project name to the Rails controller, but not the client_id value. In the Rails controller, params[:project][:client_id] comes through as nil.</p> <p>Help! Where am I going wrong?</p> <p><strong>Models:</strong></p> <pre><code>DA.Project = DS.Model.extend name: DS.attr('string') client: DS.belongsTo('DA.Client') DA.Client = DS.Model.extend name: DS.attr('string') projects: DS.hasMany('DA.Project') </code></pre> <p><strong>Controller:</strong></p> <pre><code>DA.ProjectsController = Em.ArrayController.extend createProject: (project) -&gt; @transaction = DA.store.transaction() p = @transaction.createRecord(DA.Project, project) validation_errors = p.validate() if validation_errors DA.displayError validation_errors else @transaction.commit() </code></pre> <p><strong>View:</strong></p> <pre><code>DA.ProjectsNew = Em.View.extend tagName: 'form' templateName: 'projects/new' init: -&gt; @_super() didInsertElement: -&gt; @_super() submit: (event) -&gt; event.preventDefault() project = {} project.name = @get('name') project.client = @get('client_id') DA.ProjectsController.createProject(project) </code></pre> <p><strong>Template:</strong></p> <pre><code>{{view Em.TextField valueBinding="view.name" placeholder="Project Name" tabindex="1"}} {{view Em.TextField valueBinding="view.client_id" placeholder="Client ID" tabindex="2"}} &lt;button type="submit"&gt;Create&lt;/button&gt; </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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