def fuel_data(request, pos_id):
try:
params = extract_datatable_params(request)
pos_id = int(pos_id)
except:
return HttpResponseBadRequest()
pos = get_object_or_404(POS, item_id=pos_id)
fuelTypeIDs = (
pos.fuel_type_id,
constants.STRONTIUM_CLATHRATES_TYPEID,
)
fuelTable = []
for type_id in fuelTypeIDs:
try:
fuel = pos.fuel_levels.filter(type_id=type_id).latest()
quantity = fuel.current_fuel()
consumption = fuel.consumption
except FuelLevel.DoesNotExist:
quantity = 0
consumption = 0
if consumption == 0:
timeLeft = '-'
else:
hoursLeft = int(quantity / consumption)
timeLeft = print_duration(seconds=hoursLeft * 3600, verbose=False)
fuelTable.append([
type_id,
Type.objects.get(typeID=type_id).typeName,
print_fuel_quantity(quantity),
'%d / hour' % consumption,
'%d / day' % (consumption * 24),
timeLeft,
])
json_data = {
"sEcho": params.sEcho,
"iTotalRecords": len(fuelTypeIDs),
"iTotalDisplayRecords": len(fuelTypeIDs),
"aaData": fuelTable
}
return HttpResponse(json.dumps(json_data))
def fuel_data(request, pos_id):
try:
params = extract_datatable_params(request)
pos_id = int(pos_id)
except:
return HttpResponseBadRequest()
pos = get_object_or_404(POS, item_id=pos_id)
fuelTypeIDs = (
pos.fuel_type_id,
constants.STRONTIUM_CLATHRATES_TYPEID,
)
fuelTable = []
for type_id in fuelTypeIDs:
try:
fuel = pos.fuel_levels.filter(type_id=type_id).latest()
quantity = fuel.current_fuel()
consumption = fuel.consumption
except FuelLevel.DoesNotExist:
quantity = 0
consumption = 0
if consumption == 0:
timeLeft = '-'
else:
hoursLeft = int(quantity / consumption)
timeLeft = print_duration(seconds=hoursLeft * 3600, verbose=False)
fuelTable.append([
type_id,
Type.objects.get(typeID=type_id).typeName,
print_fuel_quantity(quantity),
'%d / hour' % consumption,
'%d / day' % (consumption * 24),
timeLeft,
])
json_data = {
"sEcho" : params.sEcho,
"iTotalRecords" : len(fuelTypeIDs),
"iTotalDisplayRecords" : len(fuelTypeIDs),
"aaData" : fuelTable
}
return HttpResponse(json.dumps(json_data))
def getFuelValue(pos, fuelTypeID, displayMode):
try:
fuel = pos.fuel_levels.filter(type_id=fuelTypeID).latest()
quantity = fuel.current_fuel()
consumption = fuel.consumption
except FuelLevel.DoesNotExist:
quantity = 0
consumption = 0
if displayMode == 'quantities':
value = print_fuel_quantity(quantity)
else:
if consumption == 0:
value = '-'
else:
hoursLeft = int(quantity / consumption)
if displayMode == 'hours':
value = '%dh' % hoursLeft
elif displayMode == 'hours_int':
value = hoursLeft
else:
value = print_duration(seconds=hoursLeft * 3600, verbose=False)
return value