public IActionResult Index(int id)
{
var taskData = _context.TaskVariants
.Where(taskVariant => taskVariant.Id == id)
.Select(taskVariant => new
{
CourseId = taskVariant.TaskGroup.CourseId,
CourseName = taskVariant.TaskGroup.Course.Name,
TaskGroupId = taskVariant.TaskGroupId,
TaskGroupName = taskVariant.TaskGroup.Name,
TaskVariantId = taskVariant.Id,
TaskVariantName = taskVariant.Name
}).FirstOrDefault();
try
{
var assignments = _assignmentLogic.GetAssignmentsForTaskVariant(id);
return(View(new IndexViewModel()
{
CourseId = taskData.CourseId,
CourseName = taskData.CourseName,
TaskGroupId = taskData.TaskGroupId,
TaskGroupName = taskData.TaskGroupName,
TaskVariantId = taskData.TaskVariantId,
TaskVariantName = taskData.TaskVariantName,
Assignments = assignments,
IsCourseTeacher = KaCakeUtils.IsCourseTeacher(_context, taskData.CourseId, _userManager.GetUserId(HttpContext.User))
}));
}
catch (NotFoundException)
{
return(NotFound());
}
}
public TaskGroupViewModel GetTaskGroup(string userId, int taskGroupId)
{
TaskGroup taskGroup = _context.TaskGroups
.Include(tg => tg.Course)
.Include(tg => tg.Variants)
.FirstOrDefault(tg => tg.Id == taskGroupId);
if (taskGroup == null)
{
throw new NotFoundException();
}
return(new TaskGroupViewModel
{
Id = taskGroupId,
CourseId = taskGroup.CourseId,
CourseName = taskGroup.Course.Name,
Name = taskGroup.Name,
Description = taskGroup.Description,
IsCourseTeacher = KaCakeUtils.IsCourseTeacher(_context, taskGroup.CourseId, userId),
Variants = taskGroup.Variants.Select(variant => new TaskVariantViewModel()
{
Id = variant.Id,
Name = variant.Name,
Description = variant.Description
}).ToList()
});
}
public IActionResult Create(int id, int?taskVariantId)
{
string userId = _userManager.GetUserId(User);
TaskGroup taskGroup = _context.TaskGroups.Find(id);
if (!KaCakeUtils.IsCourseTeacher(_context, taskGroup.CourseId, userId))
{
return(Challenge());
}
TaskVariant editingTaskVariant;
if (taskVariantId.HasValue && (editingTaskVariant = _context.TaskVariants.Find(taskVariantId.Value)) != null)
{
return(View(new TaskVariantViewModel()
{
TaskGroupId = id,
Id = taskVariantId.Value,
Name = editingTaskVariant.Name,
Description = editingTaskVariant.Description,
IsUserTeacher = KaCakeUtils.IsCourseTeacher(_context, editingTaskVariant.TaskGroup.CourseId, userId)
}));
}
return(View(new TaskVariantViewModel
{
TaskGroupId = id,
IsUserTeacher = KaCakeUtils.IsCourseTeacher(_context, _context.TaskGroups.Find(id).CourseId, userId)
}));
}
public CourseViewModel GetCourse(string callerId, int courseId)
{
var viewingCourse = _context.Courses
.Include(course => course.TaskGroups)
.Include(course => course.Teachers)
.Include(course => course.Students)
.FirstOrDefault(course => course.Id == courseId);
if (viewingCourse == null)
{
throw new NotFoundException();
}
return(new CourseViewModel()
{
Id = viewingCourse.Id,
Name = viewingCourse.Name,
Description = viewingCourse.Description,
TaskGroups = viewingCourse.TaskGroups.Select(taskGroup => new TaskGroupViewModel()
{
Id = taskGroup.Id,
Name = taskGroup.Name
}).ToList(),
Students = viewingCourse.Students.Select(
student => KaCakeUtils.createUserInfoViewModel(_context, student.UserId))
.ToList(),
Teachers = viewingCourse.Teachers.Select(
teacher => KaCakeUtils.createUserInfoViewModel(_context, teacher.TeacherId))
.ToList(),
IsUserATeacher = viewingCourse.Teachers.Any(teacher => teacher.TeacherId == callerId),
CanDeleteThisCourse = CanDeleteCourse(callerId, courseId)
});
}
public IndexViewModel GetProject(string userId, int submissionId)
{
var submission = _context.Submissions
.Include(sub => sub.Assignment)
.Include(sub => sub.Assignment.User)
.Include(sub => sub.Assignment.TaskVariant)
.Include(sub => sub.Assignment.TaskVariant.TaskGroup)
.Where(sub => sub.Id == submissionId &&
(sub.Assignment.UserId == userId || sub.Assignment.ReviewerId == userId))
.FirstOrDefault();
if (submission == null)
{
throw new NotFoundException();
}
var viewModel = new
{
RootPath = submission.Path,
Model = new IndexViewModel()
{
UserName = submission.Assignment.User.FullName,
TaskGroupName = submission.Assignment.TaskVariant.TaskGroup.Name,
TaskVariantName = submission.Assignment.TaskVariant.Name,
SubmissionTime = submission.Time,
SubmissionId = submission.Id,
IsCourseTeacher = KaCakeUtils.IsCourseTeacher(_context, submission.Assignment.TaskVariant.TaskGroup.CourseId, userId)
}
};
viewModel.Model.Root = GetEntires(new DirectoryInfo(viewModel.RootPath));
return(viewModel.Model);
}
public IActionResult AddAssignments(int id)
{
string userId = _userManager.GetUserId(User);
var taskVariant = _context.TaskVariants
.Include(tv => tv.TaskGroup)
.Include(tv => tv.Assignments)
.FirstOrDefault(tv => tv.Id == id);
var taskVariantAssignments = _context.Assignments
.Include(ass => ass.User)
.Join(taskVariant.Assignments,
ass => ass.TaskVariantId,
tvAss => tvAss.TaskVariantId,
(ass, tvAss) => ass);
if (taskVariant == null)
{
return(NotFound());
}
if (!KaCakeUtils.IsCourseTeacher(_context, taskVariant.TaskGroup.CourseId, userId))
{
return(Challenge());
}
var editingVariant = new
{
taskVariant.Id,
taskVariant.Name,
UsersToRemove = taskVariantAssignments
.Select(assignment => new
{
assignment.UserId,
Name = assignment.User.FullName
}).ToList()
};
PopulateAddAssignmentData(taskVariant.TaskGroup.CourseId, taskVariant.Id);
return(View(new AddAsignmentsViewModel()
{
TaskVariantId = editingVariant.Id,
TaskVariantName = editingVariant.Name,
DeadlineUtc = DateTime.Now,
}));
}
public TaskVariantViewModel CreateTaskVariant(string userId, TaskVariantViewModel taskVariant)
{
if (!KaCakeUtils.IsCourseTeacher(_context, _context.TaskGroups.Find(taskVariant.TaskGroupId).CourseId, userId))
{
throw new IllegalAccessException();
}
var entity = _context.TaskVariants.Add(new TaskVariant()
{
TaskGroupId = taskVariant.TaskGroupId,
Name = taskVariant.Name,
Description = taskVariant.Description
});
_context.SaveChanges();
return(GetTaskVariant(userId, entity.Entity.Id));
}
public TaskGroupViewModel EditTaskGroup(string userId, int taskGroupId, TaskGroupViewModel taskGroup)
{
TaskGroup editingGroup = _context.TaskGroups.Find(taskGroupId);
if (editingGroup == null)
{
throw new NotFoundException();
}
if (!KaCakeUtils.IsCourseTeacher(_context, editingGroup.CourseId, userId))
{
throw new IllegalAccessException();
}
editingGroup.Name = taskGroup.Name;
editingGroup.Description = taskGroup.Description;
_context.SaveChanges();
return(GetTaskGroup(userId, editingGroup.Id));
}
public TaskGroupViewModel CreateTaskGroup(string userId, TaskGroupViewModel taskGroup)
{
if (!KaCakeUtils.IsCourseTeacher(_context, taskGroup.CourseId, userId))
{
throw new IllegalAccessException();
}
var entry = _context.TaskGroups.Add(new TaskGroup()
{
CourseId = taskGroup.CourseId,
Name = taskGroup.Name,
Description = taskGroup.Description
});
_context.SaveChanges();
taskGroup.Id = entry.Entity.Id;
return(GetTaskGroup(userId, entry.Entity.Id));
}
public TaskVariantViewModel EditTaskVariant(string userId, int taskVariantId, TaskVariantViewModel taskVariant)
{
var editingTaskVariant = _context.TaskVariants
.Include(tv => tv.TaskGroup)
.FirstOrDefault(tv => tv.Id == taskVariantId);
if (editingTaskVariant == null)
{
throw new NotFoundException();
}
if (!KaCakeUtils.IsCourseTeacher(_context, editingTaskVariant.TaskGroup.CourseId, userId))
{
throw new IllegalAccessException();
}
editingTaskVariant.Name = taskVariant.Name;
editingTaskVariant.Description = taskVariant.Description;
_context.SaveChanges();
return(GetTaskVariant(userId, editingTaskVariant.Id));
}
public IList <UserInfoViewModel> GetTeachersCouldBeRemoved(string callerId, int courseId)
{
var editingCourse =
_context.Courses.Include(c => c.Teachers)
.FirstOrDefault(c => c.Id == courseId);
if (editingCourse == null)
{
throw new NotFoundException();
}
return(editingCourse.Teachers
.Where(teacher => KaCakeUtils.isAppointer(editingCourse, callerId, teacher))
.Select(teacher => new UserInfoViewModel
{
FullName = _context.Users.Find(teacher.TeacherId).FullName,
UserName = _context.Users.Find(teacher.TeacherId).UserName,
UserId = teacher.TeacherId
})
.ToList());
}
public bool AddAssignments(string userId, int taskVariantId, AddAsignmentsViewModel viewModel)
{
var taskVariant = _context.TaskVariants
.Include(tv => tv.TaskGroup)
.FirstOrDefault(tv => tv.Id == taskVariantId);
if (taskVariant == null)
{
throw new NotFoundException();
}
if (!KaCakeUtils.IsCourseTeacher(_context, taskVariant.TaskGroup.CourseId, userId))
{
throw new IllegalAccessException();
}
if (viewModel.UsersToRemove != null)
{
_context.Assignments.RemoveRange(
_context.Assignments.Where(
assignment => viewModel.UsersToRemove.Contains(assignment.UserId)
)
);
}
if (viewModel.UsersToAdd != null)
{
_context.Assignments.AddRange(viewModel.UsersToAdd.Select(user => new Assignment()
{
TaskVariantId = viewModel.TaskVariantId,
DeadlineUtc = viewModel.DeadlineUtc,
UserId = user,
ReviewerId = viewModel.ReviewerId
}));
}
_context.SaveChanges();
return(true);
}
public TaskVariantViewModel GetTaskVariant(string userId, int taskVariantId)
{
TaskVariant taskVariant = _context.TaskVariants
.Include(tv => tv.TaskGroup)
.Include(tv => tv.TaskGroup.Course)
.Include(tv => tv.Assignments)
.FirstOrDefault(tv => tv.Id == taskVariantId);
if (taskVariant == null)
{
throw new NotFoundException();
}
return(new TaskVariantViewModel()
{
Id = taskVariantId,
Name = taskVariant.Name,
Description = taskVariant.Description,
TaskGroupId = taskVariant.TaskGroupId,
TaskGroupName = taskVariant.TaskGroup.Name,
CourseId = taskVariant.TaskGroup.CourseId,
CourseName = taskVariant.TaskGroup.Course.Name,
IsAssigned = taskVariant.Assignments.Any(assignment => assignment.UserId == userId),
IsNeedingReview = taskVariant.Assignments.Any(assignment => assignment.ReviewerId == userId),
AssignmentsCount = taskVariant.Assignments.Count,
Assignments = taskVariant.Assignments
.Select(assignment => new AssignmentViewModel
{
TaskVariantId = taskVariant.Id,
Status = assignment.Status,
Score = assignment.Score,
TaskName = taskVariant.Name,
UserId = assignment.UserId
}).ToList(),
IsUserTeacher = KaCakeUtils.IsCourseTeacher(_context, taskVariant.TaskGroup.CourseId, userId)
});
}
public CourseViewModel Edit(string callerId, int courseId, CreateViewModel course)
{
Course editingCourse;
if ((editingCourse =
_context.Courses
.Include(c => c.Teachers)
.Include(c => c.Students)
.FirstOrDefault(c => c.Id == courseId)) != null)
{
// The course could be edited only by a teacher of that course
if (editingCourse.Teachers.Any(teacher => teacher.TeacherId == callerId))
{
editingCourse.Name = course.Name;
editingCourse.Description = course.Description;
if (course.TeachersToAdd != null)
{
course.TeachersToAdd.Select(
teacherId => new CourseTeacher2
{
CourseId = course.Id.GetValueOrDefault(),
TeacherId = teacherId,
AppointerId = callerId
}
).ToList().ForEach(teacher => editingCourse.Teachers.Add(teacher));
}
if (course.TeachersToRemove != null)
{
var teachersToRemove = course.TeachersToRemove
.Where(userId => editingCourse.Teachers.Any(teacher => teacher.TeacherId.Equals(userId)))
.Select(teacherId => editingCourse.Teachers.First(teacher => teacher.TeacherId.Equals(teacherId)));
foreach (var teacherToRemove in teachersToRemove)
{
// Only appointer can remove teachers appointed by him
if (KaCakeUtils.isAppointer(editingCourse, callerId, teacherToRemove))
{
editingCourse.Teachers.Remove(teacherToRemove);
}
else
{
throw new IllegalAccessException();
}
}
}
if (course.StudentsToAdd != null)
{
foreach (var student in course.StudentsToAdd)
{
editingCourse.Students.Add(new CourseEnrollment
{
CourseId = editingCourse.Id,
UserId = student
});
}
}
if (course.StudentsToRemove != null)
{
var studentsToRemove = course.StudentsToRemove
.Where(userId => editingCourse.Students.Any(student => student.UserId == userId))
.Select(studentId => editingCourse.Students.First(student => student.UserId == studentId));
foreach (var student in studentsToRemove)
{
editingCourse.Students.Remove(student);
}
}
_context.SaveChanges();
return(GetCourse(callerId, courseId));
}
else
{
throw new IllegalAccessException();
}
}
else
{
throw new NotFoundException();
}
}