def accept_next_task(request, batch_id):
"""
Security behavior:
- If the user does not have permission to access the Batch+Task, they
are redirected to the index page with an error message.
"""
try:
with transaction.atomic():
batch = Batch.objects.get(id=batch_id)
# Lock access to all Tasks available to current user in the batch
batch.available_task_ids_for(request.user).select_for_update()
task_id = _skip_aware_next_available_task_id(request, batch)
if task_id:
ha = TaskAssignment()
if request.user.is_authenticated:
ha.assigned_to = request.user
else:
ha.assigned_to = None
ha.task_id = task_id
ha.save()
except ObjectDoesNotExist:
messages.error(request, u'Cannot find Task Batch with ID {}'.format(batch_id))
return redirect(index)
if task_id:
return redirect(task_assignment, task_id, ha.id)
else:
messages.error(request, u'No more Tasks available from Batch {}'.format(batch_id))
return redirect(index)
def accept_task(request, batch_id, task_id):
"""
Accept task from preview
Security behavior:
- If the user does not have permission to access the Batch+Task, they
are redirected to the index page with an error message.
"""
try:
batch = Batch.objects.get(id=batch_id)
except ObjectDoesNotExist:
messages.error(request,
u'Cannot find Task Batch with ID {}'.format(batch_id))
return redirect(index)
try:
task = Task.objects.get(id=task_id)
except ObjectDoesNotExist:
messages.error(request, u'Cannot find Task with ID {}'.format(task_id))
return redirect(index)
try:
with transaction.atomic():
# Lock access to the specified Task
Task.objects.filter(id=task_id).select_for_update()
# Will throw ObjectDoesNotExist exception if Task no longer available
batch.available_tasks_for(request.user).get(id=task_id)
ha = TaskAssignment()
if request.user.is_authenticated:
ha.assigned_to = request.user
else:
ha.assigned_to = None
ha.task = task
ha.save()
if request.user.is_authenticated:
logger.info('User(%i) accepted Task(%i)', request.user.id,
task.id)
else:
logger.info('Anonymous user accepted Task(%i)', task.id)
except ObjectDoesNotExist:
messages.error(
request,
u'The Task with ID {} is no longer available'.format(task_id))
return redirect(index)
return redirect(task_assignment, task.id, ha.id)
def accept_task(request, batch_id, task_id):
"""
Accept task from preview
Security behavior:
- If the user does not have permission to access the Batch+Task, they
are redirected to the index page with an error message.
"""
try:
batch = Batch.objects.get(id=batch_id)
except ObjectDoesNotExist:
messages.error(request, u'Cannot find Task Batch with ID {}'.format(batch_id))
return redirect(index)
try:
task = Task.objects.get(id=task_id)
except ObjectDoesNotExist:
messages.error(request, u'Cannot find Task with ID {}'.format(task_id))
return redirect(index)
try:
with transaction.atomic():
# Lock access to the specified Task
Task.objects.filter(id=task_id).select_for_update()
# Will throw ObjectDoesNotExist exception if Task no longer available
batch.available_tasks_for(request.user).get(id=task_id)
ha = TaskAssignment()
if request.user.is_authenticated:
ha.assigned_to = request.user
else:
ha.assigned_to = None
ha.task = task
ha.save()
if request.user.is_authenticated:
logger.info('User(%i) accepted Task(%i)', request.user.id, task.id)
else:
logger.info('Anonymous user accepted Task(%i)', task.id)
except ObjectDoesNotExist:
messages.error(request, u'The Task with ID {} is no longer available'.format(task_id))
return redirect(index)
return redirect(task_assignment, task.id, ha.id)
def accept_next_task(request, batch_id):
"""
Accept task from index or auto accept next task
Security behavior:
- If the user does not have permission to access the Batch+Task, they
are redirected to the index page with an error message.
"""
try:
with transaction.atomic():
batch = Batch.objects.get(id=batch_id)
# Lock access to all Tasks available to current user in the batch
batch.available_task_ids_for(request.user).select_for_update()
task_id = _skip_aware_next_available_task_id(request, batch)
if task_id:
ha = TaskAssignment()
if request.user.is_authenticated:
ha.assigned_to = request.user
else:
ha.assigned_to = None
ha.task_id = task_id
ha.save()
if request.user.is_authenticated:
logger.info('User(%i) accepted Task(%i)', request.user.id, task_id)
else:
logger.info('Anonymous user accepted Task(%i)', task_id)
except ObjectDoesNotExist:
messages.error(request, u'Cannot find Task Batch with ID {}'.format(batch_id))
return redirect(index)
if task_id:
return redirect(task_assignment, task_id, ha.id)
else:
messages.error(request, u'No more Tasks available for Batch {}'.format(batch.name))
return redirect(index)