/// <summary>
/// Gets all StudyGroups from the servers REST Api.
/// </summary>
public async Task UpdateStudyGroupsFromServer()
{
DbStudyGroup db = new DbStudyGroup();
System.Diagnostics.Debug.WriteLine("StudyGroupsController - GetStudyGroupsFromServer: 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("StudyGroupsController - 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("GetStudyGroupsFromServer response " + response.StatusCode.ToString());
var results = await response.Content.ReadAsAsync<IEnumerable<StudyGroup>>();
db.DeleteAllStudyGroups();
foreach (var studygroup in results)
{
// ugly gui filter hack
studygroup.filterChecked = false;
db.InsertStudyGroup(studygroup);
}
}
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
Authenticater.Authorized = false;
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("StudyGroupsController - GetStudyGroupsFromServer: await client.GetAsync(\"url\") Failed");
System.Diagnostics.Debug.WriteLine("StudyGroupsController - GetStudyGroupsFromServer: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("StudyGroupsController - GetStudyGroupsFromServer: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("StudyGroupsController - GetStudyGroupsFromServer: End Of Stack Trace");
}
}
