Unable to access $httpPromise for POST request

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I'm trying to handle a more graceful offline/timeout scenario for an app. The idea is to update the UI when a request fails with status 0 (i.e., api is offline or request timed out), and then once request is POST-ed to the server update UI with fresh data.

Here's the pseudo-code:

var a = new Article({text: 'we all try something'});
a.$save();
a.$promise.then(updateUI).catch(function(request) {
    if (request.status == 0) {
        // show an updated UI like "pending" status
        updatePendingStatus();
    }
});
// after a minute or two when the request is retried 
// and submitted successfully, then update UI.
a.$httpPromise.then(updateUI);

However it seems a.$httpPromise is undefined. How do I achieve what I want?

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bump

[felippenardi]

@demands Hey there :) Is there a reason why $httpPromise is not available on POST requests?

[hazeledmands]

Ah, thanks for bumping again, @felippenardi.
This definitely looks like a bug -- PRs (either failing tests or fixes) gladly accepted!