private void DoChangePassword(string oldPassword, string newPassword, string retryPassword)
{
if (newPassword == retryPassword)
{
using (var context = new Classmaister5000Entities())
{
var user = context.Users.Find(UIRepository.Instance.CurrentClientId);
if (oldPassword == user.Password)
{
if (newPassword != user.Password)
{
user.Password = newPassword;
context.Entry(user).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
MessageBox.Show("Password changed successfully!");
Application.Current.Windows[1].Close();
}
else
{
MessageBox.Show("The new password cannot be the old password!");
}
}
else
{
MessageBox.Show("Your old password doesn't match!");
}
}
}
else
{
MessageBox.Show("The two passwords doesn't match!");
}
}
public static bool AddToTimetable(int courseId)
{
using (var context = new Classmaister5000Entities())
{
var course = context.Courses.Find(courseId);
ICollection <Timetable> records = context.Timetables.ToList();
ICollection <Course> courses = new List <Course>();
foreach (var item in records)
{
courses.Add(context.Courses.Where(c => c.Id == item.Course_Id).First());
}
bool exists = false;
Course changeThis = null;
foreach (var item in courses)
{
if (item.Subject_Id == course.Subject_Id)
{
exists = true;
changeThis = item;
}
}
if (!exists)
{
int?id = context.Timetables.Max(i => (int?)i.Id) + 1;
if (id == null)
{
id = 0;
}
TimetableModel record = new TimetableModel();
record.UserId = GetUserId;
record.CourseId = courseId;
record.Id = (int)id + 1;
context.Timetables.Add(TimetableMapper.ModelToEntity(record));
context.SaveChanges();
}
else
{
var changeThisPlease = context.Timetables.Where(t => t.Course_Id == changeThis.Id).First();
changeThisPlease.Course_Id = courseId;
context.Entry(changeThisPlease).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
return(true);
}
public static void DeleteCourse(int id)
{
using (var context = new Classmaister5000Entities())
{
var deleteThis = context.Courses.Where(c => c.Id == id).First();
TimetableActions.RemoveFromTimetableByCourseId(id);
context.Courses.Remove(deleteThis);
context.SaveChanges();
}
}
public static void UserLogout()
{
using (var context = new Classmaister5000Entities())
{
var CurrentUser = context.Users.Where(u => u.Id == UIRepository.Instance.CurrentClientId).First();
CurrentUser.LastLogin = DateTime.Now;
context.Entry(CurrentUser).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
UIRepository.Instance.CurrentClientId = 0;
}
public static bool RemoveFromTimetableByCourseId(int courseId)
{
using (var context = new Classmaister5000Entities())
{
ICollection <Timetable> removeThese = context.Timetables.Where(c => c.Course_Id == courseId).ToList();
context.Timetables.RemoveRange(removeThese);
context.SaveChanges();
}
return(true);
}
public static bool RemoveFromTimetable(int id)
{
using (var context = new Classmaister5000Entities())
{
Timetable removeThis = context.Timetables.Find(id);
context.Timetables.Remove(removeThis);
context.SaveChanges();
}
return(true);
}
public static bool CourseAdd(string name, string teacher, string room, int dayId, DateTime from, DateTime to, int subjectId)
{
if (!HasCourse(name, subjectId))
{
if (from.Hour < to.Hour)
{
if (!IsTeacherBusy(teacher, dayId, from, to))
{
using (var context = new Classmaister5000Entities())
{
//CourseModel newCourse = new CourseModel();
//newCourse.Name = name;
//newCourse.Teacher = teacher;
//newCourse.Room = room;
//newCourse.Day_Id = dayId;
//newCourse.From = from;
//newCourse.To = to;
//newCourse.Subject_Id = subjectId;
//context.Courses.Add(CourseMapper.ModelToEntity(newCourse));
Course newCourse = new Course();
newCourse.Day_Id = dayId;
newCourse.Room = room;
newCourse.Teacher = teacher;
newCourse.Name = name;
newCourse.Subject_Id = subjectId;
newCourse.From = from;
newCourse.To = to;
context.Courses.Add(newCourse);
context.SaveChanges();
return(true);
}
}
else
{
throw new TeacherBusyException();
}
}
else
{
throw new InvalidTimeException();
}
}
else
{
throw new CourseAlreadyExistsException();
}
}
public static bool SubjectAdd(string Name, bool IsLecture)
{
if (!HasSubjectName(Name))
{
using (var context = new Classmaister5000Entities())
{
SubjectModel newSubject = new SubjectModel();
newSubject.SubjectName = Name;
newSubject.IsLecture = IsLecture;
newSubject.User_Id = GetUserId;
context.Subjects.Add(SubjectMapper.ModelToEntity(newSubject));
context.SaveChanges();
return(true);
}
}
else
{
throw new SubjectAlreadyExistsException();
}
}
public static void RegisterUser(string username, string password, string RetryPassword,
string FirstName, string LastName)
{
using (var context = new Classmaister5000Entities())
{
if (HasUserName(username))
{
throw new UsernameAlreadyExistsException();
}
else if (password == RetryPassword)
{
UserModel NewUser = new UserModel(FirstName, LastName, username, password);
context.Users.Add(UserMapper.ModelToEntity(NewUser));
context.SaveChanges();
}
else
{
throw new PasswordsNotEqualsException();
}
}
}
public static bool SubjectRemove(string Name)
{
if (HasSubjectName(Name))
{
using (var context = new Classmaister5000Entities())
{
Subject removeThis = context.Subjects.Where(s => s.SubjectName.ToLower() == Name.ToLower()).First();
ICollection <Course> removeTheseCourses = removeThis.Courses;
foreach (var item in removeTheseCourses)
{
TimetableActions.RemoveFromTimetableByCourseId(item.Id);
}
context.Courses.RemoveRange(removeTheseCourses);
context.Subjects.Remove(removeThis);
context.SaveChanges();
return(true);
}
}
else
{
throw new SubjectNotExistsException();
}
}
