censis-obrand/dev-archive/censis/obrand/obrand-admin/app/serializers/useful.js

import DS from 'ember-data';

export default DS.JSONAPISerializer.extend({
    serializeBelongsTo: function(record, json, relationship) {
        var key = relationship.key,
            belongsTo = Ember.get(record, key);
        key = this.keyForRelationship ? this.keyForRelationship(key, "belongsTo") : key;

        if (relationship.options.embedded === 'always') {
            json[key] = belongsTo.serialize();
        }
        else {
            return this._super(record, json, relationship);
        }
    },
    serializeHasMany: function(record, json, relationship) {
        var key = relationship.key,
            hasMany = Ember.get(record, key),
            relationshipType = DS.RelationshipChange.determineRelationshipType(record.constructor, relationship);

        if (relationship.options.embedded === 'always') {
            if (hasMany && relationshipType === 'manyToNone' || relationshipType === 'manyToMany' ||
                relationshipType === 'manyToOne') {

                json[key] = [];
                hasMany.forEach(function(item, index){
                    json[key].push(item.serialize());
                });
            }

        }
        else {
            return this._super(record, json, relationship);
        }
    }
});