def get_marks_for_user(user, sheet):
result = []
from marks.services import MarkAPI
for assignment in sheet.assignment_set.all():
if not assignment.task_set.exists():
result.append(
SheetAPI.get_last_or_create(MarkAPI.get_marks_manager(assignment.grade_system), student=user,
assignment=assignment,
sheet=sheet))
else:
for task in assignment.task_set.all():
if not task.problem_set.exists():
result.append(
SheetAPI.get_last_or_create(MarkAPI.get_marks_manager(task.grade_system),
student=user,
task=task,
sheet=sheet))
else:
for problem in task.problem_set.all():
result.append(
SheetAPI.get_last_or_create(MarkAPI.get_marks_manager(problem.grade_system),
student=user,
problem=problem,
sheet=sheet))
return result
