ngroute enables the ability to handle multiple URL parameters

I am struggling with implementing routing functionality in Angular. Here is my goal: I have a main page that links to dashboard.html and another page called buildings.html. The buildings page can be accessed with various parameters such as id, type, and color. A typical URL would look like this:

/buildings?id=110&type=special&color=red

From what I understand in Angular ngRoute, the structure should be like this:

$routeProvider

            // route for the main page directing to the buildings page
            .when('/', {
                templateUrl : 'web/pages/dashboard.html',
                controller  : 'dashboardController',
                controllerAs : 'dashboard'
            })

            // route for the main page directing to the buildings page
            .when('/buildings/:buildingId/:buildingType/:buildingColor', {
                templateUrl : 'web/pages/buildings.html',
                controller  : 'mainController',
                controllerAs : 'buildings'
            })
            ;

}); 

The URL format should be:

/buildings/110/special/red

My concern is how to access the buildings page with only one parameter like id or with multiple parameters like type and color. Also, if there are 7 parameters but I want to make a call with just 3, how can I achieve that?

I use $location.path to navigate between pages based on GUI events, for example: $location.path('/buildings/' + $scope.id);

Thank you.

Answer №1

When faced with this situation, you have three choices:

  • One option is to organize your parameters in a way that ensures param 5 can only be used if the previous params are defined.
  • Alternatively, you could use a special character like "-" to represent null values. In this scenario, your URL might appear as /buildings/5/-/red.
  • Or perhaps the most favorable choice is to include mandatory parameters (such as IDs) in the URL while placing optional parameters in the get parameters section (similar to the oldschool approach). This would result in a URL structure like /buildings/5?color=red. These parameters can then be accessed in AngularJS using $location.search().color, among others.

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