def book(request):
json_data = json.dumps({"HTTPRESPONSE":0})
if request.method == "POST":
room = Room.objects.get(pk=request.POST['room_id'])
date = datetime.strptime(request.POST['date'], '%Y-%m-%d')
hours = json.loads(request.POST['hours'])
delta = timedelta(hours = 1)
error = False
try:
with transaction.atomic():
for h in hours:
begin = datetime.strptime(h, "%H:%M").time()
end = (datetime.combine(dt.today(), begin) + delta).time()
reservation = Reservation(
user=request.user,
room=room,
date=date,
begin_time=begin,
end_time=end
)
try:
reservation.clean()
except ValidationError as e:
message = begin.__str__()[:5] + "-" + end.__str__()[:5] + " is not available"
json_data = json.dumps({"HTTPRESPONSE":0, "ERROR": message})
error = True
break
for t in room.freeterm_set.filter(date=date):
if t.begin_time <= begin and t.end_time >= end:
break
left = FreeTerm(
room=room,
date=date,
begin_time=t.begin_time,
end_time=begin
)
right = FreeTerm(
room=room,
date=date,
begin_time=end,
end_time=t.end_time
)
t.delete()
if left.begin_time < left.end_time:
left.save()
if right.begin_time < right.end_time:
right.save()
reservation.save()
if not error:
json_data = json.dumps({"HTTPRESPONSE":1})
except IntegrityError:
messages.error(request, 'Something went wrong')
return HttpResponse(json_data, mimetype="application/json")
def reserve(email,roombc,datetime_start,datetime_end):
ret = {
'success': False,
'error': '',
}
if len(email) == 0 or len(roombc) == 0 or datetime_start is None or datetime_end is None:
ret['error'] = 'INTERNAL ERROR: reserve function was not given valid values.'
#print "ERROR: {%s} {%s} {%s} {%s}" % (email,roombc,datetime_start,datetime_end)
return ret
try:
user = Patron.objects.get(email=email)
except:
user = Patron()
user.email = email
user.date_last_booking = datetime.now() # mostly for daily quotas
try:
roomkey = RoomKey.objects.get(barcode=roombc)
room = roomkey.room
except:
ret['error'] = 'That room doesn\'t appear to exist. Please select another room.'
return ret
# don't 'try-except' this if it errors because that means a core problem exists
# that should be fixed.
user.save()
res = Reservation()
res.requested_user = user
res.room = room
res.datetime_start = datetime_start
res.datetime_end = datetime_end
# Allow early returns of keys and semi-correction of reservation end datetimes.
_ = return_key(roombc,False)
try:
res.clean() # not called automatically without a form
except ValidationError as ve:
# failure to clean, only validation errors are raised
if len(ve.messages) > 1:
for msg in ve.messages:
ret['error'] += msg + '<br />'
else:
ret['error'] = ve.messages[0]
return ret
# again, if an exception occurs by now, it's likely a bug.
res.save()
ret['success'] = True
return ret
def book(request):
json_data = json.dumps({"HTTPRESPONSE": 0})
if request.method == "POST":
room = Room.objects.get(pk=request.POST['room_id'])
date = datetime.strptime(request.POST['date'], '%Y-%m-%d')
hours = json.loads(request.POST['hours'])
delta = timedelta(hours=1)
error = False
try:
with transaction.atomic():
for h in hours:
begin = datetime.strptime(h, "%H:%M").time()
end = (datetime.combine(dt.today(), begin) + delta).time()
reservation = Reservation(user=request.user,
room=room,
date=date,
begin_time=begin,
end_time=end)
try:
reservation.clean()
except ValidationError as e:
message = begin.__str__()[:5] + "-" + end.__str__(
)[:5] + " is not available"
json_data = json.dumps({
"HTTPRESPONSE": 0,
"ERROR": message
})
error = True
break
for t in room.freeterm_set.filter(date=date):
if t.begin_time <= begin and t.end_time >= end:
break
left = FreeTerm(room=room,
date=date,
begin_time=t.begin_time,
end_time=begin)
right = FreeTerm(room=room,
date=date,
begin_time=end,
end_time=t.end_time)
t.delete()
if left.begin_time < left.end_time:
left.save()
if right.begin_time < right.end_time:
right.save()
reservation.save()
if not error:
json_data = json.dumps({"HTTPRESPONSE": 1})
except IntegrityError:
messages.error(request, 'Something went wrong')
return HttpResponse(json_data, mimetype="application/json")
