/// <summary>
/// get lambda for confidential pollutant transfers
/// </summary>
private static Expression <Func <POLLUTANTRELEASE, bool> > getPollutantReleasesConfidentialLambda(DataClassesPollutantReleaseDataContext db, IndustrialActivitySearchFilter filter, bool includePollutant)
{
ParameterExpression param = Expression.Parameter(typeof(POLLUTANTRELEASE), "s");
PollutantReleaseSearchFilter filterReleases = FilterConverter.ConvertToPollutantReleaseSearchFilter(filter);
Expression exp = LinqExpressionBuilder.GetLinqExpressionPollutantReleasesConfidential(filterReleases, param, includePollutant);
Expression <Func <POLLUTANTRELEASE, bool> > lambda = Expression.Lambda <Func <POLLUTANTRELEASE, bool> >(exp, param);
return(lambda);
}
/// <summary>
/// invoke pollutant search search for this row
/// </summary>
protected void onPollutantSearchClick(object sender, CommandEventArgs e)
{
// create pollutant search filter
PollutantReleaseSearchFilter filter = FilterConverter.ConvertToPollutantReleaseSearchFilter(SearchFilter);
// create pollutant filter
filter.PollutantFilter = getPollutantFilter(e);
// set medium filter
filter.MediumFilter = getMediumFilter(e);
// go to pollutant release
LinkSearchRedirecter.ToPollutantReleases(Response, filter);
}
private void populateMediumSelector()
{
MediumFilter mf = new MediumFilter();
mf.ReleasesToAir = true;
mf.ReleasesToSoil = true;
mf.ReleasesToWater = true;
var filter = FilterConverter.ConvertToPollutantReleaseSearchFilter(SearchFilter);
var counts = PollutantReleases.GetFacilityCounts(filter);
this.ucMediumSelector.PopulateMediumRadioButtonList(mf, counts);
}
/// <summary>
/// return total list of areas
/// </summary>
public static IEnumerable <IAReleasesTreeListRow> GetPollutantReleases(IndustrialActivitySearchFilter filter)
{
DataClassesPollutantReleaseDataContext db = getPollutantReleaseDataContext();
ParameterExpression param = Expression.Parameter(typeof(POLLUTANTRELEASE), "s");
PollutantReleaseSearchFilter filterRelease = FilterConverter.ConvertToPollutantReleaseSearchFilter(filter);
Expression exp = LinqExpressionBuilder.GetLinqExpressionPollutantReleases(filterRelease, param);
Expression <Func <POLLUTANTRELEASE, bool> > lambda = Expression.Lambda <Func <POLLUTANTRELEASE, bool> >(exp, param);
int facilitiesCount = 0;
List <IAReleasesTreeListRow> pollutants = getReleases(db, lambda, out facilitiesCount).ToList <IAReleasesTreeListRow>();
filter.Count = facilitiesCount;
return(pollutants);
}
// ---------------------------------------------------------------------------------------------------
// Facility couting
// ---------------------------------------------------------------------------------------------------
#region Facility counting
/// <summary>
/// Returns the number of facilities for each medium type.
/// </summary>
public static PollutantReleases.FacilityCountObject GetFacilityCounts(PollutantReleasesTimeSeriesFilter tsFilter)
{
// removes all year span information
var filter = FilterConverter.ConvertToPollutantReleaseSearchFilter(tsFilter);
ParameterExpression param = Expression.Parameter(typeof(POLLUTANTRELEASE), "POLLUTANTRELEASE");
Expression exp = LinqExpressionBuilder.GetLinqExpressionPollutantReleases(filter, param);
// Exclude EPER reporting years
Expression prop = Expression.Property(param, "ReportingYear");
Expression val = Expression.Constant(2007);
Expression yearExp = Expression.GreaterThanOrEqual(prop, val);
exp = Expression.AndAlso(yearExp, exp);
Expression <Func <POLLUTANTRELEASE, bool> > lambda = Expression.Lambda <Func <POLLUTANTRELEASE, bool> >(exp, param);
return(PollutantReleases.GetFacilityCounts(lambda, filter.MediumFilter));
}
