Angualr's functionality with Http request is malfunctioning

I am attempting to utilize Angular and API services to populate data from my database.

Here is my code snippet:

$http.get("/api/trips")
    .then(function (response) {
        angular.copy(response.data, vm.trips);
    }, function (error) {
        vm.errorMessage = "Failed to load data: " + error
    });

Here is the API GET() method:

[HttpGet("")]
public IActionResult Get()
{
    var results = _repository.GetTripsByUsername(this.User.Identity.Name);
    return Ok(Mapper.Map<IEnumerable<TripViewModel>>(results));
}

Currently, I am facing an issue where no data is displaying. I suspect the error may be due to this.User.Identity.Name being passed incorrectly, but I am unsure.

Interestingly, when I change the method from GetTripsByUsername to GetAllTrips, which retrieves all trips without any filters, the data displays properly on the page.

The function itself works fine. When I test it using PostMan, it recognizes my cookie and returns the correct trips. However, on the webpage, it does not work as expected.

Answer №1

Your angular application is not authenticated, which is why this.User.Identity.Name returns null.
To rectify this issue, you must include credentials in your angular code by following the example below:

$http.get("/api/trips", { withCredentials: true })
            .then(function (response) {
                angular.copy(response.data, vm.trips);
            }, function (error) {
                vm.errorMessage = "Failed to load data: " + error
            });

Please note that the effectiveness of this solution depends on the type of authentication mechanism you are using. This code may not be suitable for Oauth or Basic authentication. If you are utilizing Oauth, ensure to include the Authorization header with the authorization token.

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