private static FilterType ReadAdvancedFilterType(JsonElement element)
{
var filterType = FilterType.Unknown;
var comparisonKind = element
.GetOptionalChild(ReportLayoutDocument.FilterCondition)
?.GetChild(ReportLayoutDocument.FilterComparison)
?.GetChild(ReportLayoutDocument.FilterComparisonKind);
var negatedComparisonKind = element
.GetOptionalChild(ReportLayoutDocument.FilterCondition)
?.GetChild(ReportLayoutDocument.FilterNot)
?.GetChild(ReportLayoutDocument.FilterExpression)
?.GetChild(ReportLayoutDocument.FilterComparison)
?.GetChild(ReportLayoutDocument.FilterComparisonKind);
if (comparisonKind.HasValue &&
comparisonKind.Value.ValueKind == JsonValueKind.Number)
{
var kind = comparisonKind.Value.GetInt32();
filterType = kind switch
{
0 => GetDirectComparisonFllterType(element),
1 => FilterType.IsGreaterThan,
2 => FilterType.IsGreaterThanOrEqualTo,
3 => FilterType.IsLessThan,
4 => FilterType.IsLessThanOrEqualTo,
_ => FilterType.Unknown
};
}
if (negatedComparisonKind.HasValue &&
negatedComparisonKind.Value.ValueKind == JsonValueKind.Number)
{
var kind = negatedComparisonKind.Value.GetInt32();
filterType = kind switch
{
0 => GetDirectComparisonFllterType(element, true),
_ => FilterType.Unknown
};
}
return(filterType);
}
private static FilterType GetDirectComparisonFllterType(JsonElement whereElement, bool negateFilter = false)
{
var valueElement = whereElement
.GetOptionalChild(ReportLayoutDocument.FilterCondition)
?.GetOptionalChild(ReportLayoutDocument.FilterNot)
?.GetOptionalChild(ReportLayoutDocument.FilterExpression)
?.GetChild(ReportLayoutDocument.FilterComparison)
?.GetChild(ReportLayoutDocument.FilterRight)
?.GetChild(ReportLayoutDocument.FilterLiteral)
?.GetChild(ReportLayoutDocument.FilterValue);
var nullValue = valueElement.HasValue &&
valueElement.Value.ValueKind == JsonValueKind.String &&
valueElement.Value.GetString() == ReportLayoutDocument.FilterBlankValue;
return(negateFilter
? nullValue
? FilterType.IsNotBlank
: FilterType.IsNot
: nullValue
? FilterType.IsBlank
: FilterType.Is);
}