def is_locked(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
response = simplejson.dumps({
"is_active": obj.is_locked,
"for_user": getattr(obj.locked_by, 'username', None),
"applies": obj.lock_applies_to(request.user),
})
return HttpResponse(response, mimetype='application/json')
def test_gather_lockable_models(self):
from locking import utils
from locking.tests import models
lockable_models = utils.gather_lockable_models()
self.assertTrue("story" in lockable_models["tests"])
self.assertTrue("unlockable" not in lockable_models["tests"])
def lock(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
try:
obj.lock_for(request.user)
obj.save()
return HttpResponse(status=200)
except models.ObjectLockedError:
# The user tried to overwrite an existing lock by another user.
# No can do, pal!
return HttpResponse(status=403)
def is_locked(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
response = dumps(
{
"is_active": obj.is_locked,
"for_user": getattr(obj.locked_by, "username", None),
"applies": obj.lock_applies_to(request.user),
}
)
return HttpResponse(response)
def is_locked(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
response = simplejson.dumps({
"is_active":
obj.is_locked,
"for_user":
getattr(obj.locked_by, 'username', None),
"applies":
obj.lock_applies_to(request.user),
})
return HttpResponse(response)
def unlock(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
# Users who don't have exclusive access to an object anymore may still
# request we unlock an object. This happens e.g. when a user navigates
# away from an edit screen that's been open for very long.
# When this happens, LockableModel.unlock_for will throw an exception,
# and we just ignore the request.
# That way, any new lock that may since have been put in place by another
# user won't get accidentally overwritten.
try:
obj.unlock_for(request.user)
obj.save()
return HttpResponse(status=200)
except models.ObjectLockedError:
return HttpResponse(status=403)
def unlock(request, app, model, id):
obj = utils.gather_lockable_models()[app][model].objects.get(pk=id)
# Users who don't have exclusive access to an object anymore may still
# request we unlock an object. This happens e.g. when a user navigates
# away from an edit screen that's been open for very long.
# When this happens, LockableModel.unlock_for will throw an exception,
# and we just ignore the request.
# That way, any new lock that may since have been put in place by another
# user won't get accidentally overwritten.
try:
obj.unlock_for(request.user)
obj.save()
return HttpResponse(status=200)
except models.ObjectLockedError:
return HttpResponse(status=403)
def test_gather_lockable_models(self):
from locking import utils
from locking.tests import models
lockable_models = utils.gather_lockable_models()
self.assertTrue("story" in lockable_models["tests"])
self.assertTrue("unlockable" not in lockable_models["tests"])
