Promise Object Not Resolving Outside of Angular Function

[Kevin Sheppard]

Hi all,

My question is already posed in this fiddle here: http://jsfiddle.net/kshep92/cSKz3/7/ but here is some background. I am trying to resolve a promise object inside of a service before my view is loaded. The problem is that the promise will not resolve (or it will resolve but not communicate this with Angular) unless the resolve() method is called inside of an angular ($) function or on its own as part of the main body of a service method. 

E.g.

function res() {
 console.log("Res called");
 deferredObject.resolve();
}
res();

Will work, but doing

setTimeout(res, 5000)

will not.

From the documentation I understand that in order for it to work, I have to wrap the resolve() call inside of a $scope.$apply function, but it get's tricky when i'm relying on a callback function from jQuery or WebSQL to resolve the promise and i'm inside a service object (see the fiddle for clarification). I understand that injecting $rootScope into a service is bad practice and is messy, so what other methods are there to achieve what i'm trying to do?

[Peter Bacon Darwin]

If you are just injecting it to run $apply that is not a bad thing.

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[Kevin Sheppard]

Hmm...Ok, so what's an example of a bad use-case?

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Kevin Sheppard

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[Joshua Miller]

Hello!

For example, injecting $rootScope into a service to set a variable on it would (in general) be bad juju.

Josh

[Kevin Sheppard]

Ooohh.. Now I see. Well thank you so much for the help. Now I don't feel like such a dirty coder :-)