While my other function remains incomplete, AngularJS $http continues to run without interruption

I'm facing an issue in my AngularJS function where the $http request is being fired before my first function is completed.

Here's a sample of how my code looks:

$scope.function =  function(){
    $scope.functionOne(); // This function initializes all the scope variables needed for the API call
    $scope.functionTwo(); // This function sends a POST request to the API using $http.post
}

Unfortunately, all the variables are empty strings by the time they reach the backend because $http fires the request prematurely.

UPDATE

$scope.functionOne = function(){
var geocoder = new google.maps.Geocoder();
if(geocoder){
    // console.log("dean")
    // console.log($scope.dealership.address);
    // console.log($scope.dealership.suburb)
    geocoder.geocode({
        'address': $scope.dealership.address + ', ' + $scope.dealership.suburb || "1/53 Township Drive, West Burleigh"
    }, function(result, status){
        // console.log("armada");
        // console.log(status);
        if(status == google.maps.GeocoderStatus.OK){
            console.log(result);

            var center_lat = result[0].geometry.location.lat();
            var center_lng = result[0].geometry.location.lng();

            var lat = result[0].geometry.location.lat();
            var lng = result[0].geometry.location.lng();

            $scope.$apply();
        }

        $scope.map.center.latitude = center_lat;
        $scope.map.center.longitude = center_lng;

        $scope.map.markers.pop();
        $scope.map.markers.push({
            latitude: lat,
            longitude: lng
        });
        $scope.dealership.latitude = lat;
        $scope.dealership.longitude = lng;

        $scope.$apply();
    });
}};

$scope.functionTwo = function(){
    $scope.loadingData = true;
  // The code below is a factory on a scope variable
  $scope.dealership.create().then(function(response){

});
}

Answer №1

Utilizing promises is definitely the way forward. Upon completion of functionOne, be sure to resolve the variables and then return the promise. After successfully resolving the promise, proceed with running the second method.

I trust this information proves useful to you

Wishing you an enjoyable learning experience!

Sincerely, Vatsal

Answer №2

For a more reliable way to handle function calls, consider utilizing a callback function.

One strategy is to execute your second function within the callback function of the first function.

UPDATE:

Another technique employed in Angular involves using Promises.

To learn more about this, you can visit https://docs.angularjs.org/api/ng/service/$qenter link description here

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