Sending the value of a $scope variable to a factory's variable or function

I am looking to transfer the value of a $scope variable from my angular controller to my angular factory, where this value will be used for additional calculations.

Controller :

angular.module('myApp').controller('MyController',['$scope', function($scope)
{
    $scope.selectedValue = function(value)
   {
      $scope.valueToSend = value + 1000;
   }
}]);

Factory:

angular.module('myApp').factory("CustomFactory", ["$q","$localStorage", function(q, $localStorage)
{
   var getValueFunction = function()
   {
    return value;
   }
}
var x = { .... }
return x;
}]);

The 'value' in my controller is simply a radio button that has been selected. In the factory, the variable x contains other functions that utilize the function getValueFunction.

Is there a method to pass $scope.valueToSend to my factory so I can utilize it within the factory itself??

Answer №1

A great way to manage values in your factory is by implementing a setter/getter method. This method allows you to easily set and retrieve values, as demonstrated below:

angular.module('myApp').factory("Factory", ["$q","$localStorage", 

function(q, $localStorage)
{ 
   this.value = "";
   return {
    inputValue : function (value) {
       if(value)
         this.value = value;
       else
         return value;
    }   
  }
}
var x = { .... }
return x;
}]);

In your controller, you can interact with the factory in the following manner:

angular.module('myApp').controller('MyController',['$scope', 'Factory'

function($scope, factory)
{
    $scope.selectedValue = function(value)
     {
      $scope.valueToSend = value + 1000;
       factory.inputValue($scope.valueToSend); // Use this line to set a new value in the factory.
     }

console.log(factory.inputValue()) // Use this line to retrieve a value from the factory.

}]);

Answer №2

angular.module('myApp').factory("CustomFactory", ["$q","$localStorage", function(q, $localStorage)
{
   var customValue;
   var factory = {
     setValue: function(val) {
         customValue = val;
     },
     getValue: function() {
        return customValue;
     }
   };
   return factory;
}]);

Implement a custom factory similar to the code above and then utilize it in your controller. Use

CustomFactory.setValue(valueToPass)
to set a value and CustomFactory.getValue() to retrieve the passed value.

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