/// <summary>
/// Gets all Courses from the servers REST Api.
/// </summary>
public async Task UpdateCoursesFromServer()
{
DbCourse db = new DbCourse();
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: initiated");
DbStudent dbStudent = new DbStudent();
string accessToken = dbStudent.GetStudentAccessToken();
if (accessToken == null)
{
Authenticater.Authorized = false;
return;
}
Uri url = new Uri(Adress);
System.Diagnostics.Debug.WriteLine("CoursesController - url " + url.ToString());
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
try
{
var response = await client.GetAsync(url);
if (response.StatusCode == HttpStatusCode.OK)
{
System.Diagnostics.Debug.WriteLine("UpdateCoursesFromServer response " + response.StatusCode.ToString());
var newCourses = await response.Content.ReadAsAsync <IEnumerable <Course> >();
db.DeleteAllCourses();
db.InsertCourses(newCourses);
}
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
Authenticater.Authorized = false;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: await client.GetAsync(\"url\") Failed");
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("CoursesController - UpdateCoursesFromServer: End Of Stack Trace");
}
}
