/// <summary>
/// Inserts the project and its respective children (only Company and CompanyProject)
/// into the database.
/// </summary>
/// <param name="student"></param>
/// <returns>Returns true if the project was inserted, returns false if a project with the same
/// uuid (primary key) already exists in the table.</returns>
public bool InsertStudent(Student student)
{
if (CheckIfStudentExist(student.username))
{
System.Diagnostics.Debug.WriteLine("DbStudent - InsertStudent: Student not inserted, already exist");
return false;
}
System.Diagnostics.Debug.WriteLine("DbStudent - InsertStudent: Student not inserted");
//Student did not exist, safe to insert.
DbDevice dbDevice = new DbDevice();
lock (DbContext.locker)
{
Db.Insert(student);
}
if (student.devices != null)
{
foreach (Device d in student.devices)
{
dbDevice.InsertDevice(d);
}
}
else
{
dbDevice.FixStudentForeignKey(student.username);
}
return true;
}
/// <summary>
/// Inserts the project and its respective children (only Company and CompanyProject)
/// into the database.
/// </summary>
/// <param name="student"></param>
/// <returns>Returns true if the project was inserted, returns false if a project with the same
/// uuid (primary key) already exists in the table.</returns>
public bool InsertStudent(Student student)
{
if (CheckIfStudentExist(student.username))
{
System.Diagnostics.Debug.WriteLine("DbStudent - InsertStudent: Student not inserted, already exist");
return(false);
}
System.Diagnostics.Debug.WriteLine("DbStudent - InsertStudent: Student not inserted");
//Student did not exist, safe to insert.
DbDevice dbDevice = new DbDevice();
lock (DbContext.locker)
{
Db.Insert(student);
}
if (student.devices != null)
{
foreach (Device d in student.devices)
{
dbDevice.InsertDevice(d);
}
}
else
{
dbDevice.FixStudentForeignKey(student.username);
}
return(true);
}
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>
/// 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>
/// Deletes a student and its related devices.
/// </summary>
/// <param name="student"></param>
public void DeleteStudentWithChilds(Student student)
{
if (CheckIfStudentExist(student.username))
{
DbDevice dbDevice = new DbDevice();
foreach (Device d in student.devices)
{
dbDevice.DeleteDevice(d);
}
lock (DbContext.locker)
{
System.Diagnostics.Debug.WriteLine("DbStudent - DeleteStudentWithChilds: Before delete.");
Db.Delete <Student>(student.username);
System.Diagnostics.Debug.WriteLine("DbStudent - DeleteStudentWithChilds: After delete.");
}
}
}
/// <summary>
/// Gets the student with the specified username
/// </summary>
/// <returns></returns>
public void UpdateStudentWithChilds(Student student)
{
if (!CheckIfStudentExist(student.username))
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: There was no stored record of Student.");
InsertStudent(student);
}
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: There was a record of project in the database.");
if (student.devices != null)
{
DbDevice dbDevice = new DbDevice();
foreach (Device d in student.devices)
{
if (!dbDevice.InsertDevice(d))
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Device already exists: Calling UpdateDevice.");
dbDevice.UpdateDevice(d);
}
}
}
try
{
lock (DbContext.locker)
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Before Updating project.");
Db.Update(student);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: After Updating project.");
// Db.InsertOrReplaceWithChildren(project, recursive: true);
//Db.UpdateWithChildren(project);
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Project update failed");
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: End Of Stack Trace");
}
}
/// <summary>
/// Deletes a student and its related devices.
/// </summary>
/// <param name="student"></param>
public void DeleteStudentWithChilds(Student student)
{
if (CheckIfStudentExist(student.username))
{
DbDevice dbDevice = new DbDevice();
foreach (Device d in student.devices)
{
dbDevice.DeleteDevice(d);
}
lock (DbContext.locker)
{
System.Diagnostics.Debug.WriteLine("DbStudent - DeleteStudentWithChilds: Before delete.");
Db.Delete<Student>(student.username);
System.Diagnostics.Debug.WriteLine("DbStudent - DeleteStudentWithChilds: After delete.");
}
}
}
/// <summary>
/// Gets the student with the specified username
/// </summary>
/// <returns></returns>
public void UpdateStudentWithChilds(Student student)
{
if (!CheckIfStudentExist(student.username))
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: There was no stored record of Student.");
InsertStudent(student);
}
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: There was a record of project in the database.");
if (student.devices != null)
{
DbDevice dbDevice = new DbDevice();
foreach (Device d in student.devices)
{
if (!dbDevice.InsertDevice(d))
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Device already exists: Calling UpdateDevice.");
dbDevice.UpdateDevice(d);
}
}
}
try
{
lock (DbContext.locker)
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Before Updating project.");
Db.Update(student);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: After Updating project.");
// Db.InsertOrReplaceWithChildren(project, recursive: true);
//Db.UpdateWithChildren(project);
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Project update failed");
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Exception msg: " + e.Message);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: Stack Trace: \n" + e.StackTrace);
System.Diagnostics.Debug.WriteLine("DbStudent - UpdateStudentWithChilds: End Of Stack Trace");
}
}
/// <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);
}
}
}
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;
}
}
