private Task <GetSoilTestNitrateOverrideViewModel> GetSoilTestNitrateOverrideAsync(string fldName)
{
GetSoilTestNitrateOverrideViewModel soilvm = new GetSoilTestNitrateOverrideViewModel();
// get the current associated value for nitrogen credit. Note, can be null
SERVERAPI.Utility.ChemicalBalanceMessage calculator = new Utility.ChemicalBalanceMessage(_ud, _sd);
FarmDetails farmdtl = _ud.FarmDetails();
Field fld = _ud.GetFieldDetails(fldName);
soilvm.display = false;
if ((fld.crops != null) && (fld.soilTest != null))
{
if (fld.crops.Count() > 0)
{
soilvm.display = _sd.IsNitrateCreditApplicable(farmdtl.farmRegion, fld.soilTest.sampleDate, Convert.ToInt16(farmdtl.year));
if (soilvm.display)
{
soilvm.fldName = fldName;
if (fld.SoilTestNitrateOverrideNitrogenCredit != null)
{
soilvm.nitrogen = Math.Round(Convert.ToDecimal(fld.SoilTestNitrateOverrideNitrogenCredit));
}
else
{
// lookup default Nitrogen credit
soilvm.nitrogen = Math.Round(fld.soilTest.valNO3H * _sd.GetSoilTestNitratePPMToPoundPerAcreConversionFactor());
}
}
else
{
fld.SoilTestNitrateOverrideNitrogenCredit = null;
_ud.UpdateField(fld);
}
}
else
{
fld.SoilTestNitrateOverrideNitrogenCredit = null;
_ud.UpdateField(fld);
}
}
else
{
fld.SoilTestNitrateOverrideNitrogenCredit = null;
_ud.UpdateField(fld);
}
return(Task.FromResult(soilvm));
}
public ChemicalBalances GetChemicalBalances(string fldName)
{
displayBalances = false;
chemicalBalances.balance_AgrN = 0;
chemicalBalances.balance_AgrP2O5 = 0;
chemicalBalances.balance_AgrK2O = 0;
chemicalBalances.balance_CropN = 0;
chemicalBalances.balance_CropP2O5 = 0;
chemicalBalances.balance_CropK2O = 0;
List <FieldCrop> crps = _ud.GetFieldCrops(fldName);
foreach (var c in crps)
{
chemicalBalances.balance_AgrN -= Convert.ToInt64(c.reqN);
chemicalBalances.balance_AgrP2O5 -= Convert.ToInt64(c.reqP2o5);
chemicalBalances.balance_AgrK2O -= Convert.ToInt64(c.reqK2o);
chemicalBalances.balance_CropN -= Convert.ToInt64(c.remN);
chemicalBalances.balance_CropP2O5 -= Convert.ToInt64(c.remP2o5);
chemicalBalances.balance_CropK2O -= Convert.ToInt64(c.remK2o);
}
List <NutrientManure> manures = _ud.GetFieldNutrientsManures(fldName);
foreach (var m in manures)
{
chemicalBalances.balance_AgrN += Convert.ToInt64(m.yrN);
chemicalBalances.balance_AgrP2O5 += Convert.ToInt64(m.yrP2o5);
chemicalBalances.balance_AgrK2O += Convert.ToInt64(m.yrK2o);
chemicalBalances.balance_CropN += Convert.ToInt64(m.ltN);
chemicalBalances.balance_CropP2O5 += Convert.ToInt64(m.ltP2o5);
chemicalBalances.balance_CropK2O += Convert.ToInt64(m.ltK2o);
}
List <NutrientFertilizer> fertilizers = _ud.GetFieldNutrientsFertilizers(fldName);
foreach (var f in fertilizers)
{
chemicalBalances.balance_AgrN += Convert.ToInt64(f.fertN);
chemicalBalances.balance_AgrP2O5 += Convert.ToInt64(f.fertP2o5);
chemicalBalances.balance_AgrK2O += Convert.ToInt64(f.fertK2o);
chemicalBalances.balance_CropN += Convert.ToInt64(f.fertN);
chemicalBalances.balance_CropP2O5 += Convert.ToInt64(f.fertP2o5);
chemicalBalances.balance_CropK2O += Convert.ToInt64(f.fertK2o);
}
List <NutrientOther> others = _ud.GetFieldNutrientsOthers(fldName);
foreach (var m in others)
{
chemicalBalances.balance_AgrN += Convert.ToInt64(m.ltN);
chemicalBalances.balance_AgrP2O5 += Convert.ToInt64(m.ltP2o5);
chemicalBalances.balance_AgrK2O += Convert.ToInt64(m.ltK);
chemicalBalances.balance_CropN += Convert.ToInt64(m.yrN);
chemicalBalances.balance_CropP2O5 += Convert.ToInt64(m.yrP2o5);
chemicalBalances.balance_CropK2O += Convert.ToInt64(m.yrK);
}
// include the Nitrogren credit as a result of adding manure in previous years
// lookup default Nitrogen credit.
Field fld = _ud.GetFieldDetails(fldName);
if (fld.crops != null)
{
if ((fld.prevYearManureApplicationNitrogenCredit != null) && (fld.crops.Count() > 0))
{
chemicalBalances.balance_AgrN += Convert.ToInt32(fld.prevYearManureApplicationNitrogenCredit);
}
else
{
// accomodate previous version of farm data - lookup default Nitrogen credit.
chemicalBalances.balance_AgrN += calcPrevYearManureApplDefault(fldName);
}
if (fld.soilTest != null)
{
if (_sd.IsNitrateCreditApplicable(_ud.FarmDetails().farmRegion, fld.soilTest.sampleDate, Convert.ToInt16(_ud.FarmDetails().year)))
{
if ((fld.SoilTestNitrateOverrideNitrogenCredit != null) && (fld.crops.Count() > 0))
{
chemicalBalances.balance_AgrN += Convert.ToInt32(Math.Round(Convert.ToDecimal(fld.SoilTestNitrateOverrideNitrogenCredit)));
}
else
{
// accomodate previous version of farm data - lookup default Nitrogen credit.
chemicalBalances.balance_AgrN += Convert.ToInt32(Math.Round(calcSoitTestNitrateDefault(fldName)));
}
}
}
}
if (crps.Count > 0) //display balance messages when at least one Crop has been added
{
displayBalances = true;
}
return(chemicalBalances);
}