public bool Add(Groups groups)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Groups.Add(groups);
dbContext.SaveChanges();
return(true);
}
}
public bool Add(Lecturer lecturer)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Lecturer.Add(lecturer);
dbContext.SaveChanges();
return(true);
}
}
public bool Add(Subject subject)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Subject.Add(subject);
dbContext.SaveChanges();
return(true);
}
}
public bool Add(Student student)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Student.Add(student);
dbContext.SaveChanges();
return(true);
}
}
public bool Add(Lesson lesson)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Lesson.Add(lesson);
dbContext.SaveChanges();
return(true);
}
}
public bool Add(Audience audience)
{
using (var dbContext = new SheduleEntities())
{
dbContext.Audience.Add(audience);
dbContext.SaveChanges();
return(true);
}
}
public bool Update(Audience audience)
{
using (var dbContext = new SheduleEntities())
{
var old = dbContext.Audience.FirstOrDefault(s => s.Id == audience.Id);
old.Number = audience.Number;
dbContext.SaveChanges();
}
return(true);
}
public bool Update(Groups groups)
{
using (var dbContext = new SheduleEntities())
{
var old = dbContext.Groups.FirstOrDefault(s => s.Id == groups.Id);
old.Name = groups.Name;
dbContext.SaveChanges();
}
return(true);
}
public bool Delete(Lesson lesson)
{
using (var dbContext = new SheduleEntities())
{
var dbLesson = dbContext.Lesson.Where(x => x.Id == lesson.Id).FirstOrDefault();
dbContext.Lesson.Remove(dbLesson);
dbContext.SaveChanges();
return(true);
}
}
public bool Delete(Student student)
{
using (var dbContext = new SheduleEntities())
{
var dbStudent = dbContext.Student.Where(x => x.Id == student.Id).FirstOrDefault();
dbContext.Student.Remove(dbStudent);
dbContext.SaveChanges();
return(true);
}
}
public bool Delete(Groups groups)
{
using (var dbContext = new SheduleEntities())
{
var dbGroup = dbContext.Groups.Where(x => x.Id == groups.Id).FirstOrDefault();
dbContext.Groups.Remove(dbGroup);
dbContext.SaveChanges();
return(true);
}
}
public bool Update(Student student)
{
using (var dbContext = new SheduleEntities())
{
var old = dbContext.Student.FirstOrDefault(s => s.Id == student.Id);
old.FirstName = student.FirstName;
old.LastName = student.LastName;
old.Birth = student.Birth;
old.Group_number = student.Group_number;
dbContext.SaveChanges();
}
return(true);
}
public bool Update(Lecturer lecturer)
{
using (var dbContext = new SheduleEntities())
{
var old = dbContext.Lecturer.FirstOrDefault(s => s.Id == lecturer.Id);
old.FirstName = lecturer.FirstName;
old.LastName = lecturer.LastName;
old.Reputation = lecturer.Reputation;
old.Phone = lecturer.Phone;
dbContext.SaveChanges();
}
return(true);
}
public bool Delete(Lecturer lecturer)
{
using (var dbContext = new SheduleEntities())
{
var dbLecturer = dbContext.Lecturer.Where(x => x.Id == lecturer.Id).FirstOrDefault();
if (dbLecturer != null)
{
dbContext.Lecturer.Remove(dbLecturer);
dbContext.SaveChanges();
}
return(true);
}
}
public bool DeleteReference(Subject subject)
{
using (var dbContext = new SheduleEntities())
{
var dblesson = dbContext.Lesson.Where(x => x.Subject == subject.Id).FirstOrDefault();
if (dblesson != null)
{
dbContext.Lesson.Remove(dblesson);
dbContext.SaveChanges();
}
return(true);
}
}
public bool Delete(Audience audience)
{
using (var dbContext = new SheduleEntities())
{
var dbAudience = dbContext.Audience.Where(x => x.Id == audience.Id).FirstOrDefault();
if (dbAudience != null)
{
dbContext.Audience.Remove(dbAudience);
dbContext.SaveChanges();
}
return(true);
}
}
public bool Update(Lesson lesson)
{
using (var dbContext = new SheduleEntities())
{
var old = dbContext.Lesson.FirstOrDefault(s => s.Id == lesson.Id);
old.Subject = lesson.Subject;
old.Lecturer = lesson.Lecturer;
old.Audience = lesson.Audience;
old.Academic_group = lesson.Academic_group;
old.Time = lesson.Time;
old.Day = lesson.Day;
old.Type = lesson.Type;
dbContext.SaveChanges();
}
return(true);
}
public bool DeleteReference(Groups groups)
{
using (var dbContext = new SheduleEntities())
{
var dblesson = dbContext.Lesson.Where(x => x.Academic_group == groups.Id).FirstOrDefault();
var dbstudent = dbContext.Student.Where(x => x.Group_number == groups.Id).FirstOrDefault();
if (dblesson != null)
{
dbContext.Lesson.Remove(dblesson);
}
if (dbstudent != null)
{
dbContext.Student.Remove(dbstudent);
dbContext.SaveChanges();
}
return(true);
}
}