public static void CreateUserCred(string id, string username, string password)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (DoesUsernameExist(username, id))
{
throw new Exception("Username already exists. Please select another.");
}
UserCredential cred = new UserCredential()
{
Password = password,
UserName = GetSHA256Hash(password),
User = UserEntity.GetUser(id)
};
context.UserCredentials.Add(cred);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void MarkAllConvosAsRead(string userId, string otherUserId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var msgs = (from a in context.PrivateMessages
where (a.FromUser == userId && a.ToUser == otherUserId) || (a.FromUser == otherUserId && a.ToUser == userId)
select a).ToList();
foreach (var pm in msgs)
{
if (pm.DateRead == null && pm.FromUser != userId)
{
pm.DateRead = DateTime.Now;
context.Entry(pm).State = EntityState.Modified;
}
}
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void UpdateUserCred(string id, string username, string password)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var cred = GetUserCred(id);
if (cred == null)
{
throw new Exception("User Credentials could not be found.");
}
if (DoesUsernameExist(username, id))
{
throw new Exception("Username already exists. Please select another.");
}
cred.UserName = username;
if (password != null)
{
cred.Password = GetSHA256Hash(password);
}
context.Entry(cred).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SendPrivateMessage(string toUserId, string fromUserId, string content)
{
try
{
using (SmacEntities context = new SmacEntities())
{
PrivateMessage pm = new PrivateMessage()
{
Content = content,
DateSent = DateTime.Now,
DateRead = null,
UserSentFrom = UserEntity.GetUser(fromUserId, context),
UserSentTo = UserEntity.GetUser(toUserId, context),
ToUser = toUserId,
FromUser = fromUserId
};
context.PrivateMessages.Add(pm);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void CreateTimeSlot(int schoolId, TimeSpan start, TimeSpan end)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if ((from a in context.TimeSlots where a.StartTime == start && a.EndTime == end && a.SchoolId == schoolId select a).FirstOrDefault() != null)
{
throw new Exception("Time slot already exists. Time slot not created.");
}
TimeSlot ts = new TimeSlot()
{
School = (from a in context.Schools where a.SchoolId == schoolId select a).FirstOrDefault(),
StartTime = start,
EndTime = end
};
context.TimeSlots.Add(ts);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void CreateEnrollment(string studentId, int periodId, int sectionId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var curEnroll = (from a in context.Enrollments where a.UserId == studentId && a.MarkingPeriodId == periodId && a.SectionId == sectionId select a).FirstOrDefault();
if (curEnroll != null)
{
throw new Exception("Enrollment already exists for " + curEnroll.Student.User.FirstName + " " + curEnroll.Student.User.LastName);
}
var enroll = new Enrollment()
{
Student = (from a in context.Students where a.UserId == studentId select a).FirstOrDefault(),
MarkingPeriod = (from a in context.MarkingPeriods where a.MarkingPeriodId == periodId select a).FirstOrDefault(),
Section = (from a in context.Sections where a.SectionId == sectionId select a).FirstOrDefault()
};
context.Enrollments.Add(enroll);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static List <Gender> GetGenders()
{
using (SmacEntities context = new SmacEntities())
{
return((from a in context.Genders select a).ToList());
}
}
public static void PromoteAdmin(string Id)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(Id) == null)
{
throw new Exception("User not set as Admin. User ID doesn't exist.");
}
else
{
if (IsAdmin(Id))
{
throw new Exception("User not set as Admin. User already set as Admin.");
}
else
{
Admin admin = new Admin();
admin.UserId = Id;
admin.User = UserEntity.GetUser(Id);
context.Admins.Add(admin);
context.SaveChanges();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void DeleteUser(string Id)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if ((from a in context.Users where a.UserId == Id select a).FirstOrDefault() == null)
{
throw new Exception("User was not deleted. User ID not found.");
}
else
{
var user = (from a in context.Users where a.UserId == Id select a).FirstOrDefault();
context.Users.Remove(user);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void UpdateTimeSlot(int schoolId, TimeSpan start, TimeSpan end, int id)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if ((from a in context.TimeSlots where a.TimeSlotId == id select a) == null)
{
throw new Exception("Time slot could not be found");
}
if ((from a in context.TimeSlots where a.StartTime == start && a.EndTime == end && a.SchoolId == schoolId && a.TimeSlotId != id select a).FirstOrDefault() != null)
{
throw new Exception("Time slot already exists. Time slot not updated.");
}
TimeSlot ts = (from a in context.TimeSlots where a.TimeSlotId == id select a).FirstOrDefault();
ts.StartTime = start;
ts.EndTime = end;
context.Entry(ts).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static DateTime?GetLastLoggedOut(string Id)
{
using (SmacEntities context = new SmacEntities())
{
return((from a in context.Users where a.UserId == Id select a).FirstOrDefault().LastLoggedOut);
}
}
public static void AddEndDate(string Id, DateTime endDate)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (GetUser(Id) == null)
{
throw new Exception("User was not edited. User ID not found.");
}
else
{
var user = GetUser(Id);
user.EndDate = endDate;
context.Entry(user).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static List <usp_GetUsersInSchool_Result> GetAllUsersInSchool(int schoolId, string userIdToFilter)
{
using (SmacEntities context = new SmacEntities())
{
return(context.usp_GetUsersInSchool(schoolId, userIdToFilter).OrderBy(t => t.LastName).ToList());
}
}
public static Roles GetUserRole(string userId)
{
using (SmacEntities context = new SmacEntities())
{
var user = (from a in context.Users where a.UserId == userId select a).FirstOrDefault();
if (user.Admin != null)
{
return(Roles.Admin);
}
else if (user.Student != null)
{
return(Roles.Student);
}
else if (user.Staff != null)
{
return(Roles.Staff);
}
else if (user.Teacher != null)
{
return(Roles.Teacher);
}
else
{
return(Roles.None);
}
}
}
public static void CreateGrade(string val, int schoolId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if ((from a in context.Grades where a.SchoolId == schoolId && a.GradeValue == val select a).FirstOrDefault() != null)
{
throw new Exception("Grade not created as it already exists.");
}
Grade grade = new Grade()
{
GradeValue = val,
School = (from a in context.Schools where a.SchoolId == schoolId select a).FirstOrDefault()
};
context.Grades.Add(grade);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void RevokeAdmin(string Id)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(Id) == null)
{
throw new Exception("User not removed as Admin. User doesn't exist.");
}
else if (!IsAdmin(Id))
{
throw new Exception("User not removed as Admin. User not an Admin.");
}
else
{
Admin admin = new Admin();
admin.UserId = Id;
admin.User = UserEntity.GetUser(Id);
context.Admins.Add(admin);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void CreateSchedule(int sectionId, int tsId, string day, int periodId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if ((from a in context.SectionSchedules where a.SectionId == sectionId && a.TimeSlotId == tsId && a.DayValue == day && a.MarkingPeriodId == periodId select a).FirstOrDefault() != null)
{
throw new Exception("Schedule already exists for this section.");
}
SectionSchedule sch = new SectionSchedule()
{
Section = (from a in context.Sections where a.SectionId == sectionId select a).FirstOrDefault(),
Day = (from a in context.Days where a.DayValue == day select a).FirstOrDefault(),
TimeSlot = (from a in context.TimeSlots where a.TimeSlotId == tsId select a).FirstOrDefault(),
MarkingPeriod = (from a in context.MarkingPeriods where a.MarkingPeriodId == periodId select a).FirstOrDefault()
};
context.SectionSchedules.Add(sch);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static Gender GetGender(string gType)
{
using (SmacEntities context = new SmacEntities())
{
return((from a in context.Genders where a.GenderType == gType select a).FirstOrDefault());
}
}
public static void RemoveGrade(string studentId, int schoolId, int subjectId, int classId,
int sectionId, int markingPeriodId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var enroll = GetEnrollment(studentId, schoolId, subjectId, classId, sectionId, markingPeriodId);
if (enroll != null)
{
enroll.GradeValue = null;
context.Entry(enroll).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
else
{
throw new Exception("Enrollment not found. Grade not set.");
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SetGrade(string studentId, int sectionId, int markingPeriodId, string grade)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var enroll = (from a in context.Enrollments where a.UserId == studentId && a.SectionId == sectionId && a.MarkingPeriodId == markingPeriodId select a).FirstOrDefault();
if (enroll != null)
{
enroll.GradeValue = grade;
context.Entry(enroll).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
else
{
throw new Exception("Enrollment not found. Grade not set.");
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static List <usp_GetUsersInSchool_Result> GetAllStudentsInSchool(int schoolId)
{
using (SmacEntities context = new SmacEntities())
{
return(context.usp_GetUsersInSchool(schoolId, string.Empty).OrderBy(t => t.LastName).Where(t => t.Student == true).ToList());
}
}
public static void PromoteStudent(string uId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(uId) == null)
{
throw new Exception("User not set as Student. User ID doesn't exist.");
}
else
{
if (IsStudent(uId))
{
throw new Exception("User not set as Student. User already set as Student.");
}
else
{
Student Student = new Student();
Student.UserId = uId;
Student.User = UserEntity.GetUser(uId);
context.Students.Add(Student);
context.SaveChanges();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static bool IsStudent(string uId)
{
using (SmacEntities context = new SmacEntities())
{
return((from a in context.Students where a.UserId == uId select a).FirstOrDefault() != null);
}
}
public static void RevokeStudent(string uId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(uId) == null)
{
throw new Exception("User not removed as Student. User doesn't exist.");
}
else if (!IsStudent(uId))
{
throw new Exception("User not removed as Student. User not an Student.");
}
else
{
Student Student = new Student();
Student.UserId = uId;
Student.User = UserEntity.GetUser(uId);
context.Students.Add(Student);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static KhanShare CreateKhanShare(string title, string url, string apiId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var ks = GetKhanShare(title, url, apiId);
if (ks != null)
{
KhanShare newKs = new KhanShare()
{
ApiId = apiId,
Url = url,
Title = title
};
context.KhanShares.Add(newKs);
context.SaveChanges();
}
return(GetKhanShare(title, url, apiId));
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void CreatePost(string userId, string title, int sectionId, string content, int?repliedTo)
{
try
{
using (SmacEntities context = new SmacEntities())
{
var thread = new Thread()
{
Section = (from a in context.Sections where a.SectionId == sectionId select a).FirstOrDefault(),
RepliedTo = repliedTo,
DateTimePosted = DateTime.Now,
Content = content,
ThreadTitle = title,
User = (from a in context.Users where a.UserId == userId select a).FirstOrDefault()
};
context.Threads.Add(thread);
context.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void PromoteTeacher(string uId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(uId) == null)
{
throw new Exception("User not set as Teacher. User ID doesn't exist.");
}
else
{
if (IsTeacher(uId))
{
throw new Exception("User not set as Teacher. User already set as Teacher.");
}
else
{
Teacher Teacher = new Teacher();
Teacher.UserId = uId;
Teacher.User = UserEntity.GetUser(uId);
context.Teachers.Add(Teacher);
context.SaveChanges();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void RevokeTeacher(string uId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (UserEntity.GetUser(uId) == null)
{
throw new Exception("User not removed as Teacher. User doesn't exist.");
}
else if (!IsTeacher(uId))
{
throw new Exception("User not removed as Teacher. User is not a Teacher.");
}
else
{
Teacher Teacher = new Teacher();
Teacher.UserId = uId;
Teacher.User = UserEntity.GetUser(uId);
context.Teachers.Add(Teacher);
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
private static void CreateEditMarkingPeriod(string op, int?markingPeriodId, string period, bool fullYear, int schoolYearId, DateTime start, DateTime end)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (op.Equals("ADD"))
{
if ((from a in context.MarkingPeriods where a.Period == period && a.FullYear == fullYear && a.SchoolYearId == schoolYearId select a).FirstOrDefault() != null)
{
throw new Exception("Marking period was not created. Marking period already exists for this school year.");
}
MarkingPeriod MarkingPeriod = new MarkingPeriod()
{
SchoolYear = (from a in context.SchoolYears where a.SchoolYearId == schoolYearId select a).FirstOrDefault(),
Period = fullYear ? null : period,
FullYear = fullYear,
StartDate = start,
EndDate = end
};
context.MarkingPeriods.Add(MarkingPeriod);
context.SaveChanges();
}
else if (op.Equals("EDIT"))
{
var mPeriod = (from a in context.MarkingPeriods where a.MarkingPeriodId == markingPeriodId.Value select a).FirstOrDefault();
if (mPeriod == null)
{
throw new Exception("Marking period was not updated. Marking period not found.");
}
if (GetMarkingPeriod(period, fullYear, schoolYearId, markingPeriodId.Value, context) != null)
{
throw new Exception("Marking period was not updated. New marking period values already exist.");
}
mPeriod.Period = fullYear ? null : period;
mPeriod.FullYear = fullYear;
mPeriod.StartDate = start;
mPeriod.EndDate = end;
mPeriod.SchoolYear = (from a in context.SchoolYears where a.SchoolYearId == schoolYearId select a).FirstOrDefault();
context.Entry(mPeriod).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
private static void CreateEditSchoolYear(string op, int schoolId, string year, DateTime start, DateTime end, int?schoolYearId)
{
try
{
using (SmacEntities context = new SmacEntities())
{
if (op.Equals("ADD"))
{
if ((from a in context.SchoolYears where a.Year == year select a).FirstOrDefault() != null)
{
throw new Exception("School year was not created. School year already exists for this school.");
}
else
{
SchoolYear schoolyear = new SchoolYear()
{
School = (from a in context.Schools where a.SchoolId == schoolId select a).FirstOrDefault(),
Year = year,
StartDate = start,
EndDate = end
};
context.SchoolYears.Add(schoolyear);
context.SaveChanges();
}
}
else if (op.Equals("EDIT"))
{
if ((from a in context.SchoolYears where a.SchoolYearId == schoolYearId.Value select a).FirstOrDefault() == null)
{
throw new Exception("Subject was not updated. Subject name not found.");
}
else if ((from a in context.SchoolYears where a.SchoolYearId != schoolYearId.Value && a.SchoolId == schoolId && a.Year == year select a).FirstOrDefault() != null)
{
throw new Exception("Subject was not updated. New subject name already exists in database.");
}
else
{
var schYear = (from a in context.SchoolYears where a.SchoolYearId == schoolYearId.Value select a).FirstOrDefault();
schYear.Year = year;
schYear.StartDate = start;
schYear.EndDate = end;
context.Entry(schYear).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
