CODEWITHSUNDEEP
angularjspromise
Cliff Coulter
Cliff Coulter

Reputation: 472

How to use promises with Angular.js and $resource with query string?

What's the best way to handle promises in Angular.js with a resource that expects a query string / parameters passed to it? I've seen the job of $q handled in the factory, controller and router but I'm not sure how to handle it in any case when there's parameters involved.
So if this is the factory :

angular.module(Animals, ['$resource', '$route', '$location', function($resource, $route, $location) {
  return $resource('http://thezoo.com/animals', { query: {method: 'GET', isArray: true}});
}]);

and this is the controller:

Animals.query({size="med",gender='f'});

then how should this best be handled using promises? The call to the external resource can take quite long.

Upvotes: 3

Views: 4149

Answers (2)

tristin
tristin

Reputation: 131

Really late to the party, but I found this page from Google. If you want to use a resource, but maybe you want to get data from your query method before you continue (maybe you're writing this in a resolve or something), you can do this.

var deferred = $q.defer();
Resource.query({params}, function (response) {
  someData = response;
  deferred.resolve(someData);
});
return deferred.promise;

Upvotes: 3

bibs
bibs

Reputation: 1226

It's not exactly clear what you're trying to accomplish.

$resource methods will not return promises. They will return empty arrays or objects that are be populated when data is returned by the server.

If you want a method that returns a promise, you can write one that uses $http directly.

Upvotes: 1

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