AngularJS extend default get of $resource?

Question

I have thin service wrapped around $resource to handle communication with API. Usually it works just as needed. However now I would like to extend get from $resource.

Let's say that front end need returned data in certain order. Back end for whatever reason can not be modified. Sort order will be needed application wide, so changing it in $resource definition would be best.

Official documentation is silent on this topic. Adding new functions is well documented, but changing default ones is not. How to (ideally) add .then() to get.

Have you tried use $provide.decorator ? Anyway you wrap your method and attach $q there for example: function wrap() { var def = $q.defer; dosmthAsync(def.resolve); return def} — Errorpro
– Errorpro, Commented Nov 5, 2015 at 8:41
I have full controll over definition of my service and $resource used to communicate with API, though idea of wrapping function got me interested. Could I wrap get returned by $resource that way? Can You post that as answer? — przemo_li
– przemo_li, Commented Nov 5, 2015 at 8:51
guys've answered already. You can try return $q.defer from transformResponse. But as i remember it returns promise. — Errorpro
– Errorpro, Commented Nov 5, 2015 at 8:57

Gustav · Accepted Answer · 2015-11-05 08:51:04Z

2

I'm not sure how your thin service wrapper looks like, but if you want to do something with your response you could use transformResponse-property.

angular.module('app', ['ngResource'])
   .factory('myWrapper', function($resource){
      return function(url){
         return $resource(url,
                          {},
                          {
                           get: {method: 'GET',
                                 transformResponse: function(data, headers){
                                   data.sort() //or something
                                   return data;
                                 }
                                }
                           }
                        );
                    };

      });

this will override default get.

answered Nov 5, 2015 at 8:51

Gustav

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4 Comments

przemo_li Over a year ago

original $resource get definition comes down to {method: 'GET'} ? Silly me :D I was worried that its something more complex.

Gustav Over a year ago

hehe yes, not very complex definition

Michael Over a year ago

notice: data will be a string. you need to parse it yourself depending on the format (JSON / XML) you expect.

Gustav Over a year ago

and headers is a function that returns the headers

Michael · Accepted Answer · 2015-11-05 08:45:59Z

1

The transformResponse option might be handy if you want to modify/sort the response.

answered Nov 5, 2015 at 8:45

Michael

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1 Comment

przemo_li Over a year ago

Can You give me code snippet for adding "transformResponse" to get?

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