public static object GetGradesToGuardian(int evaluationID, int guardianID)
{
try
{
using (var db = new DBContextModel())
{
var availableStudents = BParenting.GetChildren(guardianID);
List <TblEvaluationStudents> grades = new List <TblEvaluationStudents>();
availableStudents.ForEach(studentID =>
{
var grade = db.TblEvaluationStudents.Where(x => x.EvaluationFK == evaluationID && x.StudentFK == studentID).FirstOrDefault();
if (grade != null)
{
grades.Add(grade);
}
});
if (grades.Count() == 0)
{
return(new { result = false, info = "Não existe avaliação." });
}
return(new { result = true, data = grades });
}
}
catch (ArgumentException) { return(new { result = false, info = "Não foi encontrada avaliação." }); }
}
public static List <TblLessonStudents> GetLessonToGuardian(int lessonID, int guardianID)
{
try
{
using (var db = new DBContextModel())
{
var availableStudents = BParenting.GetChildren(guardianID);
List <TblLessonStudents> students = new List <TblLessonStudents>();
availableStudents.ForEach(studentID =>
{
var aux = db.TblLessonStudents.Where(x => x.LessonFK == lessonID && x.StudentFK == studentID).FirstOrDefault();
if (aux != null)
{
students.Add(aux);
}
});
if (students.Count() == 0)
{
return(null);
}
return(students);
}
}
catch (Exception) { return(null); }
}
public static Boolean SendNotificationToClass(NotificationClass notification, int userID)
{
try
{
using (var db = new DBContextModel())
{
TblNotifications notif = new TblNotifications
{
Description = notification.Description,
Hour = DateTime.Now,
Subject = notification.Subject,
Urgency = notification.Urgency,
Approval = notification.Approval,
UserFK = notification.SenderFK
};
db.TblNotifications.Add(notif);
db.SaveChanges();
var students = BClass.GetStudentsByClass(notification.ClassFK);
foreach (var student in students)
{
TblValidations valid = new TblValidations
{
ReceiverFK = BParenting.GetGuardians(student).FirstOrDefault(),
StudentFK = student,
Accepted = false,
Read = false
};
db.TblValidations.Add(valid);
db.SaveChanges();
}
var cla = db.TblClasses.Find(notification.ClassFK);
BAction.SetActionToUser(String.Format("enviou uma notificação a turma '{0}'", cla.Year + cla.ClassDesc), userID);
return(true);
}
}
catch (Exception) { return(false); }
}
public static Object Login(Login requestUser, Uri client)
{
try
{
using (var db = new DBContextModel())
{
var user = db.TblUsers.Select(x => x).Where(x => x.Email == requestUser.Email).FirstOrDefault();
if (user == null || (bool)!user.IsActive)
{
return(new { result = false, info = "O utilizador não existe ou encontra-se inactivo." });
}
var password = new PasswordHasher();
if (password.VerifyHashedPassword(user.Password, requestUser.Password).ToString() != "Success")
{
return(new { result = false, info = "O email e a palavra-passe não coincidem." });
}
byte[] secretKey = Encoding.ASCII.GetBytes("vMDUMFlFl6jUANQZezAu4bAmwBD9IyYl");
DateTime issued = DateTime.Now;
DateTime expire = DateTime.Now.AddHours(8);
var roles = db.TblUserRoles.Where(x => x.UserFK == user.ID).Select(x => x.RoleFK).ToList();
List <int> classes = new List <int>();
classes = db.TblClassUsers.Where(x => x.UserFK == user.ID).Select(x => x.ClassFK).ToList();
if (roles.Contains(5))
{
foreach (int child in BParenting.GetChildren(user.ID))
{
classes = classes.Concat(db.TblClassUsers.Where(x => x.UserFK == child).Select(x => x.ClassFK)).ToList();
}
}
Dictionary <string, object> payload = new Dictionary <string, object>()
{
{ "iss", client.Authority },
{ "aud", user.ID },
{ "iat", _ToUnixTime(issued).ToString() },
{ "exp", _ToUnixTime(expire).ToString() },
{ "rol", roles },
{ "cla", classes }
};
var token = JWT.Encode(payload, secretKey, JwsAlgorithm.HS256);
return(new
{
result = true,
data = new
{
token = token,
userID = user.ID,
roles = roles,
name = user.Name,
photo = user.Photo,
classes = classes
}
});
}
}
catch (Exception) { return(new { result = false, info = "Não foi possível autenticar o utilizador." }); }
}
