private IEnumerable <string> GetUndesirabilityReasons <TBaseGrowthZoneClusterConsumption>(
TBaseGrowthZoneClusterConsumption baseGrowthZoneClusterConsumption,
Func <ICityBudgetConfiguration, decimal> getCityBudgetValue)
where TBaseGrowthZoneClusterConsumption : BaseGrowthZoneClusterConsumption
{
if (baseGrowthZoneClusterConsumption.PopulationDensity < 9)
{
return(Enumerable.Empty <string>());
}
if (!_taxRateMultiplier.HasValue)
{
_taxRateMultiplier = 1M / TaxDefinition.GetSelectableTaxRatePercentages().Max();
}
return(baseGrowthZoneClusterConsumption
.ZoneClusterMembers
.Single(x => x.IsCentralClusterMember)
.GetZoneInfo()
.WithResultIfHasMatch(centralZone =>
{
var issueThreshold = 1.5M - (getCityBudgetValue(_cityBudgetConfiguration) * _taxRateMultiplier);
return GetIssueResults(centralZone, x => x.RepresentsUndesirabilityFor(baseGrowthZoneClusterConsumption))
.Where(x => x.IssueAmount > issueThreshold)
.Select(x => x.Issue);
}));
}
