def detail(request, solution_id):
rating_check_request(request);
solution = get_object_or_404(Solution.objects.select_related('content',
'author', 'task', 'task.content'), id=solution_id)
if not solution.status == SolutionStatus.SUBMITTED:
return (404, u'Rješenje nije dostupno.')
# You are not allowed to view solution (including your own) if the task is
# not accessible to you. It would be a very rare case for someone to send a
# solution and then later lose his accessibilty permission.
if not solution.task.is_allowed_to_solve(request.user):
return (403, u'Zadatak nije dostupan.')
if solution.correctness_avg:
ratings = solution.correctness.select_related('user')
else:
ratings = []
# If I can view the solution, it means I can view the Task. Note that I
# might not even have met the actual prerequisites, but it means that I do
# have VIEW_SOLUTION permission or am the author of the task itself.
# (look at the docs of is_allowed_to_solve in task/models.py)
can_view, obfuscate = solution.check_accessibility(request.user)
if not can_view:
if solution.task.solution_settings == Task.SOLUTIONS_NOT_VISIBLE:
return (403, u'Autor zadatka je onemogućio pristup rješenjima ' \
u'drugih korisnika.')
else: # Task.SOLUTIONS_VISIBLE_IF_ACCEPTED
return (403, u'Rješenje dostupno samo korisnicima s točnim '
u'vlastitim rješenjem.')
return {
'can_edit': solution.can_edit(request.user),
'can_mark_as_official': \
can_mark_as_official(request.user, solution.task),
'can_view': can_view,
'obfuscate': obfuscate,
'ratings': ratings,
'solution': solution,
}
def _do_mark(request, solution, task):
"""
Update solution status:
As Solved
To Do
Blank
Or mark / unmark official flag
Creates Solution if it doesn't exist (in that case Task is given).
Returns None if no error.
"""
action = request.POST['action']
# check requset and privileges
if action not in ['official0', 'official1', 'blank', 'as_solved', 'todo']:
return (403, u'Action "%s" not valid.' % action)
if action in ['official0', 'official1'] and \
not can_mark_as_official(request.user, task):
return (403, u'No permission to mark as official solution.')
if not task.solvable:
return (403, u'This task is not solvable!')
if not task.is_allowed_to_solve(request.user):
return (403, u'Not allowed to view the task or send solutions.')
# as_solved, todo, blank
if solution is None:
solution, dummy = Solution.objects.get_or_create(
task=task, author=request.user)
elif not solution.can_edit(request.user):
return (403, 'Not allowed to modify this solution.')
# keep track of the number of solutions for the task
was_solved = solution.is_solved()
# update
if action in ['official0', 'official1']:
solution.is_official = action == 'official1'
elif action in ['blank', 'as_solved', 'todo']:
if action != 'blank':
solution.date_created = datetime.now()
solution.status = SOLUTION_STATUS_BY_NAME[action]
solution.save()
# log the action
# TODO: use signals!
if action in ['official1', 'as_solved', 'todo']:
type_desc = {'official1': _action.SOLUTION_AS_OFFICIAL,
'as_solved': _action.SOLUTION_AS_SOLVED,
'todo': _action.SOLUTION_TODO,
}
_action.replace_or_add(request.user, type_desc[action],
action_object=solution, target=task)
elif action == 'official0':
# temporary solution...
_action.remove(request.user, type=_action.SOLUTION_AS_OFFICIAL[0],
action_object=solution, target=task)
elif action == 'blank':
_action.remove(request.user, type=_action.SOLUTION_SEND,
action_object=solution, target=task)
# update solved count if necessary
# TODO: use signals!
delta = solution.is_solved() - was_solved
if delta:
_update_solved_count(delta, task, request.user.get_profile())
return None # ok
