data embedded objects without id
I can't seem to find a way to use a model for embedded objects that have no id in ember-data. This answer on how to deal with embedded objects by Jehuda Katz comes near to what I'm looking for, although I keep getting
Assertion Failed: You must include an 'id' for record in an object passed to 'push'
which seems to be expected behaviour when reading the EmbeddedRecordsMixin documentation which states:
Records without an id property are not considered embedded records, model instances must have an id property to be used with Ember Data.
JSON received from the REST-API looks like this:
{
'line': {
_id: 5,
name: "my line",
opts: {...},
dataset: [
{x: 1473167369522, y: 5},
{x: 1473167469522, y: 6},
{x: 1473167569522, y: 7}
]
}
}
app/models/line.js
export default DS.Model.extend({
name: DS.attr('string'),
opts: DS.attr(),
dataset: DS.hasMany('point')
});
app/models/point.js
export default DS.Model.extend({
x: DS.attr('custom'),
y: DS.attr('')
});
app/serializers/line.js
export default DS.RESTSerializer.extend(DS.EmbeddedRecordsMixin, {
attrs: {
dataset: { embedded: 'always'}
}
});
How should I go about tackling this problem?
I have already considered just making the property that contains the array of nested objects DS.attr() and abandoning the nested model altogether but this won't work either as I need some custom (de-)serialization on one of the embedded object's properties
related (although the Ember API has gone through quite some change):
- How to access nested object in json with Ember data
- Ember data and mongodb state?
你可以使用ember-data-model-fragments addon：https：//github.com/lytics/ember-data-model-fragments
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