def clean(self):
task = self.cleaned_data['task']
assignee = self.cleaned_data.get('assignee', -1)
if assignee != -1:
# There are a bunch of edge cases here that we need to check.
unassigning_from_self = (not assignee) and task.assignee and task.assignee.id == self.user.id
assigning_to_self = assignee and self.user.id == assignee.id
can_assign_to_other_people = can_assign_task(task, self.user)
# Users can always unassign a task from themselves.
if not unassigning_from_self:
# They can also assign a task TO themselves, assuming they can
# perform it (which is checked further down).
if not assigning_to_self:
# Otherwise they must have assign permissions in the team.
if not can_assign_to_other_people:
raise forms.ValidationError(_(
u'You do not have permission to assign this task.'))
if assignee is None:
return self.cleaned_data
else:
if not can_perform_task(assignee, task):
raise forms.ValidationError(_(
u'This user cannot perform that task.'))
return self.cleaned_data
def clean_task(self):
task = self.cleaned_data['task']
if not can_perform_task(self.user, task):
raise forms.ValidationError(_(u'You cannot perform that task.'))
if task.team_video.video_id != self.video.id:
raise forms.ValidationError(_(u'Mismatched video and task!'))
return task
def _verify_no_blocking_subtitle_translate_tasks(self, team_video,
language_code):
tasks = list(
team_video.task_set.incomplete_subtitle_or_translate().filter(
language__in=[language_code, '']))[:1]
if tasks:
task = tasks[0]
# If this language is already assigned to someone else, fail.
if (task.assignee and task.assignee != self.user):
raise forms.ValidationError(
_(u"Sorry, we can't upload your subtitles because another "
u"user is already assigned to this language."))
# If this language is unassigned, and the user can't assign herself
# to it, fail.
if (not task.assignee and not can_perform_task(self.user, task)):
raise forms.ValidationError(
_(u"Sorry, we can't upload your subtitles because you do not "
u"have permission to claim this language."))