public async Task <IActionResult> PutTask(Guid id, AssignmentTaskUpdateRequest taskRequest)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != taskRequest.Id)
{
return(BadRequest());
}
var assignmentTask = taskMapper.MapTaskUpdateRequest(taskRequest);
_context.Entry(assignmentTask).State = EntityState.Modified;
var assignment = await _context.Assignments.FindAsync(assignmentTask.AssignmentId);
if (assignment.Type == AssignmentType.CustomAssignedTasks)
{
var prevAssignedStudents = await _context.StudentAssignedTasks.Where(sat => sat.TaskId == assignmentTask.Id).ToListAsync();
if (prevAssignedStudents.Any())
{
_context.StudentAssignedTasks.RemoveRange(prevAssignedStudents.Where(s => s.StudentId != taskRequest.AssignedTo));
}
if (!string.IsNullOrWhiteSpace(taskRequest.AssignedTo) && !prevAssignedStudents.Any(s => s.StudentId == taskRequest.AssignedTo))
{
var studentUser = await _context.Students.FirstOrDefaultAsync(s => s.UserId == taskRequest.AssignedTo);
if (studentUser is null)
{
ModelState.AddModelError("assignedTo", "The selected student to be assigned could not be found.");
return(BadRequest(ModelState));
}
assignmentTask.StudentsAssigned.Add(new StudentAssignedTask {
State = StudentAssignedTaskState.Assigned,
Task = assignmentTask,
StudentId = taskRequest.AssignedTo
});
}
}
try {
await _context.SaveChangesAsync();
} catch (DbUpdateConcurrencyException) {
if (!TaskExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public AssignmentTask MapTaskUpdateRequest(AssignmentTaskUpdateRequest task)
{
return(new AssignmentTask {
Id = task.Id,
AssignmentId = task.AssignmentId,
Name = task.Name,
Description = task.Description
});
}
