What's the best way to handle the output of an HTTP request in my specific situation?

Struggling to pass http request results from parent controller to child controller...

This is what I have:

<div ng-controller = "parentCtrl">
     <button ng-click="callApi()">click me</button>

     <div ng-controller = "childCtrl">
         <div>{{productDetail}}</div>
     </div>
</div>

angular.module('App').controller('parentCtrl', ['$scope','myFactory',
    function($scope, myFactory) {
        $scope.callApi = function() {
            myFactory.request(id)
                .then(function(data) {
                    $scope.productDetail = data
                    //perform actions within the parent controller...
                })

        }
    }
]);

angular.module('App').controller('childCtrl', ['$scope',
    function($scope) {
        //Struggling to access productDetail data here due to it being retrieved via an http request.
    }
]);



angular.module('App').factory('myFactory', function($http) {
    var service = {};

    service.request = function(id) {
        return createProduct(id)
            .then(function(obj) {
                productID = obj.data.id;
                return setProductDetail(productID)
            })
            .then(getDetail)
            .then(function(productDetail) {             
                return productDetail.data
            })          
    }
    var createProduct = function(id) {
        return $http.post('/api/product/create', id)
    }

    var setProductDetail = function(id) {
        return $http.post('/api/product/setDetail', id)
    }

    var getDetail = function() {
        return $http.get('/api/product/getDetail')
    }

    return service;
});

I managed to retrieve the request result in my parentCtrl but need guidance on passing it to the child controller. Any help would be appreciated.

Thank you!

Answer №1

Viable solutions:

1) Include myFactory in the child controller as well.

2) Utilize the parent scope directly from within childCtrl:

$scope.$parent.productDetail

3) If needed to access it from HTML

$parent.productDetail

The suggestions above are based on the assumption that you specifically need to access that value separately from a possible version on the child scope (current code does not indicate this).

If it's a child scope, and there is no instance of productDetail on the child scope (or any scope in between), and no primitive value with that name in the child scope is set, then you should be able to access the value directly through prototypical inheritance (however, any of the three scenarios mentioned could necessitate referencing through the parent).

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