protected override void OnStart()
{
DbStudent dbStudent = new DbStudent();
Student student = dbStudent.GetStudent();
// Comment out the 4 lines under to deactive the GoToLogin at
if (student == null || student.accessToken == null)
{
Authenticater.Authorized = false;
}
NavPage = new NavigationPage(new MainPage());
//NavPage = new NavigationPage(new LoginPage());
MainPage = NavPage;
//NavPage.BarBackgroundColor = Color.FromHex("ec7a08");
//NavPage.BarTextColor = Color.White;
if (student != null)
{
DeleteOutdatedData();
UpdateAllFilters();
DbDevice dbDevice = new DbDevice();
if (dbDevice.GetDevice() != null && !dbDevice.GetDevice().tokenSent)
{
DevicesController dc = new DevicesController();
dc.UpdateServersDb();
}
}
}
/// <summary>
/// Gets the Students StudyGroups used for push notifications from the server.
/// </summary>
/// <returns></returns>
public async Task <List <StudyGroup> > GetStudentsStudyGroupFromServer()
{
DbStudent db = new DbStudent();
Student student = db.GetStudent();
if (student == null)
{
Authenticater.Authorized = false;
return(null);
}
string encodedUsername = Hasher.Base64Encode(student.username);
Uri url = new Uri(Adress + "/" + encodedUsername);
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent uri: " + url.ToString());
string accessToken = db.GetStudentAccessToken();
if (accessToken == null)
{
Authenticater.Authorized = false;
return(null);
}
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
string jsonString = null;
try
{
var response = await client.GetAsync(url).ConfigureAwait(false);
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent failed due to lack of Authorization");
Authenticater.Authorized = false;
return(null);
}
System.Diagnostics.Debug.WriteLine("UpdateStudyGroupStudent response " + response.StatusCode.ToString());
jsonString = await response.Content.ReadAsStringAsync();
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent: await client.GetAsync(\"url\") Failed");
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("StudentsController - UpdateStudyGroupStudent: End Of Stack Trace");
return(null);
}
if (jsonString != null)
{
return(ExtractStudyGroupsFromJson(jsonString));
//DeleteAllStudyGroupStudent();
//CreateStudyGroupStudents(student.username, studyGroupIds);
}
return(null);
}
/// <summary>
/// Updates the students notification preferances.
/// </summary>
/// <param name="receiveNotifications"></param>
/// <param name="receiveProjectNotifications"></param>
/// <param name="receiveJobNotifications"></param>
public void UpdateStudentsNotificationsPref(bool receiveNotifications,
bool receiveProjectNotifications, bool receiveJobNotifications)
{
DbStudent db = new DbStudent();
Student student = db.GetStudent();
student.receiveNotifications = receiveNotifications;
student.receiveProjectNotifications = receiveProjectNotifications;
student.receiveJobNotifications = receiveJobNotifications;
db.UpdateStudent(student);
}
public void SetNavPageToNotificationList()
{
DbStudent dbStudent = new DbStudent();
Student student = dbStudent.GetStudent();
if (student == null || student.accessToken == null)
{
Authenticater.Authorized = false;
}
UpdateAllFilters();
NavPage = new NavigationPage(new CarouselVarsler());
}
/// <summary>
/// Inserts or update the device with the given fields.
/// </summary>
/// <param name="gcmToken"></param>
/// <param name="deviceId"></param>
/// <param name="deviceType"></param>
/// <returns></returns>
public async Task InsertOrUpdateDevice(string gcmToken, string deviceId, string deviceType)
{
DbDevice db = new DbDevice();
DbStudent dbStudent = new DbStudent();
Student student = dbStudent.GetStudent();
Device device = db.GetDevice();
if (device == null)
{
device = new Device();
device.id = deviceId;
device.token = gcmToken;
device.tokenSent = false;
device.deviceType = deviceType;
if (student != null)
{
device.username = student.username;
}
db.InsertDevice(device);
if (student != null)
{
UpdateServersDb();
}
return;
}
if (device.token != gcmToken)
{
device.token = gcmToken;
device.tokenSent = false;
if (student != null)
{
device.username = student.username;
}
db.UpdateDevice(device);
if (student != null)
{
UpdateServersDb();
}
return;
}
if (!device.tokenSent && student != null)
{
if (device.username != student.username)
{
device.username = student.username;
db.UpdateDevice(device);
}
UpdateServersDb();
}
}
/// <summary>
/// Receives a Message from GCM. The method exctracts a message from the Bundle data,
/// and calls SendNotification.
///
/// If the students have enabled receiveNotifications, but
/// disabled receiveProjectNotifications and receiveJobNotifications
/// The student can still receive more general messages sent as push notifications
/// however these notifications will only be displayed once and won't be displayed in the
/// notification list.
/// </summary>
public override async void OnMessageReceived(string from, Bundle data)
{
DbStudent dbStudent = new DbStudent();
var message = data.GetString("message");
Log.Debug("MyGcmListenerService", "From: " + from);
Log.Debug("MyGcmListenerService", "Message: " + message);
var type = data.GetString("type");
var uuid = data.GetString("uuid");
Student student = dbStudent.GetStudent();
if (student != null && student.receiveNotifications)
{
DbNotification dbNotification = new DbNotification();
if (type == "project")
{
if (student.receiveProjectNotifications)
{
SendNotification(message);
Log.Debug("MyGcmListenerService", "type: " + type);
Log.Debug("MyGcmListenerService", "uuid: " + uuid);
// type = job or project
Log.Debug("MyGcmListenerService", "After New NotificationController, but before use of method.");
dbNotification.InsertNotification(type, uuid);
}
}
else if (type == "job")
{
if (student.receiveJobNotifications)
{
SendNotification(message);
Log.Debug("MyGcmListenerService", "type: " + type);
Log.Debug("MyGcmListenerService", "uuid: " + uuid);
// type = job or project
Log.Debug("MyGcmListenerService", "After New NotificationController, but before use of method.");
dbNotification.InsertNotification(type, uuid);
}
}
else
{
SendNotification(message);
}
}
}
void GetStudentNotificationsPref()
{
DbStudent dbStudent = new DbStudent();
Student student = dbStudent.GetStudent();
if (student != null)
{
oppgaveSwitch.IsToggled = student.receiveProjectNotifications;
stillingSwitch.IsToggled = student.receiveJobNotifications;
varselSwitch.IsToggled = student.receiveNotifications;
}
else
{
oppgaveSwitch.IsToggled = false;
stillingSwitch.IsToggled = false;
varselSwitch.IsToggled = false;
}
}
/// <summary>
/// Posts the Students StudyGroups used for push notifications to the server.
/// </summary>
/// <returns></returns>
public async Task <bool> PostStudentsStudyGroupToServer(List <string> studyGroups)
{
DbStudent db = new DbStudent();
Student student = db.GetStudent();
string accessToken = db.GetStudentAccessToken();
if (student == null || accessToken == null)
{
Authenticater.Authorized = false;
return(false);
}
string jsonString = "";
if (studyGroups.Count == 0)
{
string id = Hasher.Base64Encode("none");
studyGroups.Add(id);
}
foreach (var studyGroup in studyGroups)
{
string id = Hasher.Base64Decode(studyGroup);
if (string.IsNullOrWhiteSpace(jsonString))
{
jsonString = "{\"StudyGroup\":[{\"id\":\"" + id + "\"}";
}
else
{
jsonString += ",{\"id\":\"" + id + "\"}";
}
}
jsonString += "]}";
// {"StudyGroup":[{"id":"idrettsfag"},{"id":"datateknologi"}]}
// {"studyGroups":[{"id":"helse"},{"id":"ingeniør"},{"id":"samfunnsfag"}]}
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer jsonString: " + jsonString);
string encodedUsername = Hasher.Base64Encode(student.username);
Uri url = new Uri(Adress + "/" + encodedUsername);
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer uri: " + url.ToString());
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
var content = new StringContent(jsonString, Encoding.UTF8, "application/json");
try
{
var response = await client.PostAsync(url, content);
System.Diagnostics.Debug.WriteLine("PostStudentsStudyGroupToServer response " + response.StatusCode.ToString());
if (response.StatusCode == HttpStatusCode.OK)
{
return(true);
}
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer failed due to lack of Authorization");
Authenticater.Authorized = false;
}
// response.StatusCode is either unauthorized or another failed status.
return(false);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: await client.PostAsJsonAsync(url, jsonString) Failed");
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: End Of Stack Trace");
return(false);
}
}
public async Task UpdateServersDb()
{
DbDevice db = new DbDevice();
DbStudent dbStudent = new DbStudent();
Student student = dbStudent.GetStudent();
Device device = db.GetDevice();
string accessToken = dbStudent.GetStudentAccessToken();
if (student == null || accessToken == null || device == null || student.username != device.username)
{
Authenticater.Authorized = false;
return;
}
if (device.tokenSent)
{
return;
}
System.Diagnostics.Debug.WriteLine("DevicesController - UpdateServersDb - bearer: " + accessToken);
string serializedJson = "{\"Device\":[{\"id\":\"" + device.id + "\"," + "\"token\":\"" + device.token + "\"," +
"\"deviceType\":\"" + device.deviceType + "\"}]}";
// {"Device":[{"id":"HT451WM08832","token":"longGCMToken","deviceType":"android"}]}
System.Diagnostics.Debug.WriteLine("DevicesController - UpdateServersDb serializedJson: " + serializedJson);
string encodedUsername = Hasher.Base64Encode(student.username);
//"api/v1/students/{id}"
string updateAdress = studentAdress + "/" + encodedUsername;
System.Diagnostics.Debug.WriteLine("DevicesController - UpdateServersDb - adress: " + updateAdress);
Uri url = new Uri(updateAdress);
System.Diagnostics.Debug.WriteLine("DevicesController - UpdateServersDb - url.ToString: " + url.ToString());
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", accessToken);
var content = new StringContent(serializedJson, Encoding.UTF8, "application/json");
try
{
var response = await client.PostAsync(url, content);
System.Diagnostics.Debug.WriteLine("UpdateServersDb response " + response.StatusCode.ToString());
if (response.StatusCode == HttpStatusCode.OK)
{
device.tokenSent = true;
db.UpdateDevice(device);
return;
}
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
System.Diagnostics.Debug.WriteLine("DevicesController - UpdateServersDb failed due to lack of Authorization");
Authenticater.Authorized = false;
}
// response.StatusCode is either unauthorized or another failed status.
return;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: await client.PostAsJsonAsync(url, jsonString) Failed");
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("StudentsController - PostStudentsStudyGroupToServer: End Of Stack Trace");
return;
}
}
/// <summary>
/// This method is called after authentication is successfull.
/// Implement functionality that is useful as initial server communication.
/// </summary>
/// <param name="account"></param>
async void PerformAuth2TestRequests(Account account)
{
Authorized = true;
App.SuccessfulLoginAction();
try
{
/*
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests before looop");
*
*
* foreach (KeyValuePair<string, string> p in account.Properties)
* {
* System.Diagnostics.Debug.WriteLine("Property: Key:" + p.Key + " Value:" + p.Value);
* }
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests before looop");
*
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests: Url:" + AuthProvider.ApiRequests);
* System.Diagnostics.Debug.WriteLine("Request Url:" + AuthProvider.ApiRequests);
*/
Uri requestLocalToken = new Uri(AuthProvider.ApiRequests + account.Properties["access_token"]);
System.Diagnostics.Debug.WriteLine("Requesting local token");
System.Diagnostics.Debug.WriteLine("Using access_token: " + account.Properties["access_token"]);
OAuth2Request request1 = new OAuth2Request("GET", requestLocalToken, null, account);
//OAuth2Request request1 = new OAuth2Request("GET", requestLocalToken, null, null);
IResponse response1 = await request1.GetResponseAsync();
System.Diagnostics.Debug.WriteLine("After Response");
Dictionary <string, string> responseDict = JsonConvert.DeserializeObject <Dictionary <string, string> >(response1.GetResponseText());
string localToken = "";
string username = "";
if (response1.StatusCode == 200)
{
System.Diagnostics.Debug.WriteLine("Response code from backend: 200");
localToken = responseDict["access_token"];
username = responseDict["userName"];
System.Diagnostics.Debug.WriteLine("username: "******"localToken: " + localToken);
StudentsController sc = new StudentsController();
DbStudent dbStudent = new DbStudent();
if (dbStudent.CheckIfStudentExist(username))
{
System.Diagnostics.Debug.WriteLine("Student did exist");
Student student = dbStudent.GetStudent(username);
student.accessToken = localToken;
dbStudent.UpdateStudent(student);
DevicesController dc = new DevicesController();
dc.UpdateServersDb();
}
else
{
System.Diagnostics.Debug.WriteLine("Student did not exist");
dbStudent.DeleteAllStudents();
Student student = new Student();
student.username = username;
student.accessToken = localToken;
student.receiveNotifications = true;
student.receiveJobNotifications = true;
student.receiveProjectNotifications = true;
dbStudent.InsertStudent(student);
DevicesController dc = new DevicesController();
DbDevice dbDevice = new DbDevice();
dbDevice.FixStudentForeignKey(username);
dc.UpdateServersDb();
}
}
/*
* string studentEndpoint = "http://kompetansetorgetserver1.azurewebsites.net/api/v1/students";
* Uri testAuthorize = new Uri(studentEndpoint);
*
*
* //authorization: bearer b2Dvqzi9Ux_FAjbBYat6PE-LgNGKL_HDBWbnJ3Fb9cwfjaE8NQdqcvC8jwSB5QJUIVRog_gQQPjaRI0DT7ahu7TEpqP28URtPr1LjgaV - liCqgIuTdSHW_NqD3qh - 5shVh - h7TCin7XNHq8GSkGg5qtOlcHeFPSZ4xMwMbw5_1rBfKYJr3w0_D5R9jk0hJPEfJldCTYcawatz7wVfbmz0qKHAkrKxZyaqum6IHJWdczWz5K26RCfZWMwEmK1uLN5
*
* var client = new HttpClient();
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests before Setting AuthenticationHeaderValue");
* client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", localToken);
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests after Setting AuthenticationHeaderValue");
* System.Diagnostics.Debug.WriteLine(client.DefaultRequestHeaders.Authorization.Parameter);
*
*
* var response = await client.GetAsync(testAuthorize);
*
*
* System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests: StatusCode:" + response.StatusCode);
* // + " ResponseUri:" + response.ResponseUri);
* //System.Diagnostics.Debug.WriteLine("PerformAuth2TestRequests: Headers:");
*
*
* foreach (KeyValuePair<string, string> h in response.Headers)
* {
* System.Diagnostics.Debug.WriteLine("Header: Key:" + h.Key + " Value:" + h.Value);
* }
* System.Diagnostics.Debug.WriteLine("Response(" + response.StatusCode);
* string jsonString = await response.Content.ReadAsStringAsync();
* System.Diagnostics.Debug.WriteLine(jsonString);
*/
// TODO Implement relevant GET, PUT or POST Requests
// Notifies the app that the login was successful and that its safe to shift page.
Authorized = true;
App.SuccessfulLoginAction();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception: PerformAuth2TestRequests: Message:" + ex.Message);
foreach (KeyValuePair <string, string> p in account.Properties)
{
System.Diagnostics.Debug.WriteLine("Key:" + p.Key + " Value:" + p.Value);
}
}
}
