public ActionResult Create(TariffViewModel tariffViewModel)
{
string fuel = tariffViewModel.fuel;
int meterId = tariffViewModel.meterId;
int propertyId = tariffViewModel.BelongsToProperty;
try
{
if (ModelState.IsValid)
{
Tariff tariff = TariffConverter.createTariffFromViewModel(tariffViewModel);
EMResponse response = JsonConvert.DeserializeObject<EMResponse>(emAPI.createTariff(tariff.SCValue, tariff.StartDate.ToString(),
tariff.SCPeriod.Id, tariff.BandPeriod.Id, tariffViewModel.meterId));
if (response.status == EMResponse.OK)
{
int tariffId = JsonConvert.DeserializeObject<int>(response.data);
foreach (TariffBand band in tariff.Bands)
{
EMResponse bandResponse = JsonConvert.DeserializeObject<EMResponse>(emAPI.createTariffBand(band.UpperkWhLimit,
band.LowerkWhLimit,
band.UnitRate, tariffId));
if (bandResponse.status != EMResponse.OK)
{
return View("Error");
}
}
return RedirectToAction("Home", "Meter", new { meterId = tariffViewModel.meterId, propertyId = tariffViewModel.BelongsToProperty, type = tariffViewModel.fuel });
}
}
else
{
return View(tariffViewModel);
}
return View(tariffViewModel);
}
catch
{
return View("Error");
}
}
//
// GET: /Tariff/Create
public ActionResult Create(int meterId, int propertyId, string fuel)
{
try
{
TariffViewModel model = new TariffViewModel();
model.fuel = fuel;
model.meterId = meterId;
model.BelongsToProperty = propertyId;
model.MinimumStartDate = Convert.ToDateTime(ResponseReader.convertTo<string>(emAPI.getMinimumTariffDate(meterId)));
model.StartDate = model.MinimumStartDate;
///cannot convert from JSON to a List<Period>, despite JSON being valid. Therefore SCPeriods is populated on ViewModel creation, see TariffViewModel.cs.
return View(model);
}
catch
{
return View("Error");
}
}
//
// GET: /Tariff/Edit/5
public ActionResult Edit(int tariffId, int meterId, int propertyId, string type)
{
try
{
TariffViewModel model = new TariffViewModel();
Tariff tariff = ResponseReader.convertTo<Tariff>(emAPI.getTariff(tariffId));
model = TariffConverter.createTariffViewFromTariff(tariff, true);
TimeSpan oneDay = new TimeSpan(1, 0, 0, 0);
model.MinimumStartDate = Convert.ToDateTime(ResponseReader.convertTo<string>(emAPI.getMinimumTariffDateForEdit(meterId)));
model.StartDate = model.MinimumStartDate + oneDay;
model.meterId = meterId;
model.BelongsToProperty = propertyId;
model.fuel = type;
return View(model);
}
catch
{
return View("Error");
}
}
public ActionResult Edit(int id, TariffViewModel model)
{
try
{
if (ModelState.IsValid)
{
Tariff updatedTariff = TariffConverter.createTariffFromViewModel(model);
string updatedTariffJSON = JsonConvert.SerializeObject(updatedTariff);
EMResponse response = JsonConvert.DeserializeObject<EMResponse>(emAPI.editTariff(id, updatedTariffJSON));
if (response.status == EMResponse.OK)
{
return RedirectToAction("Home", "Meter", new { meterId = model.meterId, propertyId = model.BelongsToProperty, type = model.fuel });
}
else
{
return View("Error");
}
}
return View(model);
}
catch
{
return View("Error");
}
}
public ActionResult Delete(TariffViewModel model)
{
try
{
EMResponse response = JsonConvert.DeserializeObject<EMResponse>(emAPI.deleteTariff(model.Id));
if (response.status == EMResponse.OK)
{
return RedirectToAction("Home", "Meter", new { meterId = model.meterId, propertyId = model.BelongsToProperty, type = model.fuel });
}
else
{
return View("Error");
}
}
catch
{
return View("Error");
}
}
public MeterViewModel(Meter m)
{
///populate fiel specific properties
///
ElectricityMeter elecMeter = m as ElectricityMeter;
GasMeter gasMeter = m as GasMeter;
if (elecMeter != null)
{
this.ScalingFactor = elecMeter.ScalingFactor;
}
else if (gasMeter != null)
{
this.MeterCoefficient = gasMeter.MeterCoefficient;
this.CorrectionFactor = gasMeter.CorrectionFactor;
this.CalorificValue = gasMeter.CalorificValue;
if (gasMeter.MeterCoefficient == 0.028316846)
{
this.MeterUnits = "cubic feet";
}
if (gasMeter.MeterCoefficient == 0.28316846)
{
this.MeterUnits = "10s of cubic feet";
}
if (gasMeter.MeterCoefficient == 2.8316846)
{
this.MeterUnits = "100s of cubic feet";
}
if (gasMeter.MeterCoefficient == 1)
{
this.MeterUnits = "cubic meters";
}
}
///load tariff view model with data from meter
///
Meter = m;
Tariff = new TariffViewModel();
if (Meter.Tariffs.Count == 0)
{
///no tariff set yet
///
Tariff = null;
}
else
{
///get most recent tariff
///
Meter.Tariffs = Meter.Tariffs.OrderByDescending(t => t.StartDate).ToList();
Tariff currentTariff = Meter.Tariffs.ElementAt(0);
currentTariff.Bands = Meter.Tariffs.ElementAt(0).Bands.ToList();
///convert model to viewModel
///
Tariff = TariffConverter.createTariffViewFromTariff(currentTariff, false);
}
}
public MeterViewModel(Meter m)
{
///populate fiel specific properties
///
ElectricityMeter elecMeter = m as ElectricityMeter;
GasMeter gasMeter = m as GasMeter;
if (elecMeter != null)
{
this.ScalingFactor = elecMeter.ScalingFactor;
}
else if ( gasMeter != null)
{
this.MeterCoefficient = gasMeter.MeterCoefficient;
this.CorrectionFactor = gasMeter.CorrectionFactor;
this.CalorificValue = gasMeter.CalorificValue;
if (gasMeter.MeterCoefficient == 0.028316846)
{
this.MeterUnits = "cubic feet";
}
if (gasMeter.MeterCoefficient == 0.28316846)
{
this.MeterUnits = "10s of cubic feet";
}
if (gasMeter.MeterCoefficient == 2.8316846)
{
this.MeterUnits = "100s of cubic feet";
}
if (gasMeter.MeterCoefficient == 1)
{
this.MeterUnits = "cubic meters";
}
}
///load tariff view model with data from meter
///
Meter = m;
Tariff = new TariffViewModel();
if (Meter.Tariffs.Count == 0)
{
///no tariff set yet
///
Tariff = null;
}
else
{
///get most recent tariff
///
Meter.Tariffs = Meter.Tariffs.OrderByDescending(t => t.StartDate).ToList();
Tariff currentTariff = Meter.Tariffs.ElementAt(0);
currentTariff.Bands = Meter.Tariffs.ElementAt(0).Bands.ToList();
///convert model to viewModel
///
Tariff = TariffConverter.createTariffViewFromTariff(currentTariff, false);
}
}
public static Tariff createTariffFromViewModel(TariffViewModel tariffViewModel)
{
Tariff tariff = new Tariff();
if (tariffViewModel.Id != 0)
{
tariff.Id = tariffViewModel.Id;
}
tariff.SCPeriod = new Period { Id = tariffViewModel.SCPeriodId };
tariff.BandPeriod = new Period { Id = tariffViewModel.BandPeriodId };
tariff.SCValue = tariffViewModel.SCValue;
tariff.StartDate = tariffViewModel.StartDate;
tariff.Bands = new List<TariffBand>();
TariffBand newBand = new TariffBand();
newBand.LowerkWhLimit = (int)tariffViewModel.LowerLimit1;
newBand.UnitRate = (int)tariffViewModel.Rate1;
newBand.Id = tariffViewModel.Band1Id;
///isBanded is determined during conversion to tariffViewModel when the tariff object is retreived in the HTTP GET Edit method
///of the TariffController. It is preserved to HTTP POST Edit via hidden fields in the Edit.cshtml view.
///isbanded should be determined at each conversion since the user may want to edit an existing tariff to include additional / fewer bands
///
tariffViewModel.IsBanded = !((tariffViewModel.LowerLimit1 == 0 | tariffViewModel.LowerLimit1 == null) &&
(tariffViewModel.UpperLimit1 == 0 | tariffViewModel.UpperLimit1 == null));
if (!tariffViewModel.IsBanded)
{
///no upper limit and therefore no subsequent bands
newBand.UpperkWhLimit = 0;
tariff.Bands.Add(newBand);
}
else
{
///get upperLimit for first band & save to tariff model object
newBand.UpperkWhLimit = (int)tariffViewModel.UpperLimit1;
tariff.Bands.Add(newBand);
///follow same pattern for second band
TariffBand newBand2 = new TariffBand();
newBand2.LowerkWhLimit = (int)tariffViewModel.LowerLimit2;
newBand2.UnitRate = tariffViewModel.Rate2;
newBand2.Id = tariffViewModel.Band2Id;
if ((tariffViewModel.UpperLimit2 == null | tariffViewModel.UpperLimit2 == 0) && (tariffViewModel.LowerLimit2 == 0 | tariffViewModel.LowerLimit2 == null))
{
///there is no band if lower is null/zero AND upper is null/zero
newBand2.UpperkWhLimit = -1; ///no band
}
else
{
///there is a band...
if (tariffViewModel.UpperLimit2 != 0)
{
///with an upper limit
newBand2.UpperkWhLimit = (int)tariffViewModel.UpperLimit2;
}
else
{
///without an upper limit
newBand2.UpperkWhLimit = 0;
}
}
tariff.Bands.Add(newBand2);
TariffBand newBand3 = new TariffBand();
newBand3.LowerkWhLimit = (int)tariffViewModel.LowerLimit3;
newBand3.UnitRate = tariffViewModel.Rate3;
newBand3.Id = tariffViewModel.Band3Id;
if ((tariffViewModel.UpperLimit3 == null | tariffViewModel.UpperLimit3 == 0) && (tariffViewModel.LowerLimit3 == 0 | tariffViewModel.LowerLimit3 == null))
{
///there is no band if lower is null/zero and upper is null/zero
newBand3.UpperkWhLimit = -1; ///no band
}
else
{
///there is a band...
if (tariffViewModel.UpperLimit3 != 0)
{
///with an upper limit
newBand3.UpperkWhLimit = (int)tariffViewModel.UpperLimit3;
}
else
{
///without an upper limit
newBand3.UpperkWhLimit = 0;
}
}
tariff.Bands.Add(newBand3);
}
return tariff;
}
public static TariffViewModel createTariffViewFromTariff(Tariff tariffModel, bool forEditing)
{
TariffViewModel tariffView = new TariffViewModel();
tariffView.Id = tariffModel.Id;
tariffView.StartDate = tariffModel.StartDate;
tariffView.SCPeriodId = tariffModel.SCPeriod.Id;
tariffView.SCValue = tariffModel.SCValue;
tariffView.BandPeriodId = tariffModel.BandPeriod.Id;
if (tariffModel.Bands.Count == 0)
{
///there are no bands so we can just return now
return tariffView;
}
else if (tariffModel.Bands.ElementAt(0) != null)
{
tariffView.IsBanded = (tariffModel.Bands.ElementAt(0).UpperkWhLimit > 0);
}
else
{
tariffView.IsBanded = false;
}
for (int i = 0; i < tariffModel.Bands.Count; i++)
{
TariffBand band = tariffModel.Bands.ElementAt(i);
if (i == 0)
{
tariffView.LowerLimit1 = band.LowerkWhLimit;
tariffView.UpperLimit1 = band.UpperkWhLimit;
tariffView.Rate1 = band.UnitRate;
tariffView.Band1Id = band.Id;
}
if (i == 1)
{
tariffView.LowerLimit2 = band.LowerkWhLimit;
tariffView.UpperLimit2 = band.UpperkWhLimit;
tariffView.Rate2 = band.UnitRate;
tariffView.Band2Id = band.Id;
}
if (i == 2)
{
tariffView.LowerLimit3 = band.LowerkWhLimit;
tariffView.UpperLimit3 = band.UpperkWhLimit;
tariffView.Rate3 = band.UnitRate;
tariffView.Band3Id = band.Id;
}
}
if (forEditing)
{
if (tariffView.UpperLimit2 == -1)
tariffView.UpperLimit2 = 0;
if (tariffView.UpperLimit3 == -1)
tariffView.UpperLimit3 = 0;
}
return tariffView;
}
