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);
}));
}
public TaxDefinition GetTaxDefinition(DateTime moment)
{
//This is prove of concept. Hard-coded data.
var result = new TaxDefinition()
{
Id = 0,
//First and last day of the month
PeriodFrom = new DateTime(moment.Year, moment.Month, 1),
PeriodTo = new DateTime(moment.Year, moment.Month, moment.AddMonths(1).AddDays(-1).Day),
Definitions = new List <TaxDefinitionItem>()
{
new TaxDefinitionItem()
{
Name = "Tax does not apply",
FromAmountIncluding = 0m,
UpToAmount = 1000m,
BaseTaxAmount = 0,
PercentAboveFrom = 0,
},
new TaxDefinitionItem()
{
Name = "Tax 10%",
FromAmountIncluding = 1000m,
UpToAmount = TaxDefinitionItem.MaxUpToAmount,
BaseTaxAmount = 0m,
PercentAboveFrom = 0.10m
},
new TaxDefinitionItem()
{
Name = "Social contribution",
FromAmountIncluding = 1000m,
UpToAmount = 3000m,
BaseTaxAmount = 0m,
PercentAboveFrom = 0.15m
},
// This definition adds social contribution for income above 3000 or the amount 1000-3000.
new TaxDefinitionItem()
{
Name = "Social contribution for above 3000",
FromAmountIncluding = 3000m,
UpToAmount = TaxDefinitionItem.MaxUpToAmount,
BaseTaxAmount = 300m,
PercentAboveFrom = 0m
}
}
};
return(result);
}
