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fix isTaxYearLeapYear

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This commit is contained in:
Elijah Wright 2025-05-30 01:57:26 -07:00
parent e0d5c84451
commit 9739d20233
2 changed files with 85 additions and 12 deletions
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62
direct-file/backend/src/main/resources/tax/constants.xml
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@ -50,24 +50,62 @@
<!-- TODO: replace this with the calc to determine leap year (e.g. divisible by 4, but not 100 unless also divisible by 400) --> <!-- TODO: replace this with the calc to determine leap year (e.g. divisible by 4, but not 100 unless also divisible by 400) -->
<Case> <Case>
<When> <When>
<Any> <Equal>
<Left>
<Modulo>
<Left>
<Dependency path="/taxYear" />
</Left>
<Right>
<Int>100</Int>
</Right>
</Modulo>
</Left>
<Right>
<Int>0</Int>
</Right>
</Equal>
</When>
<Then>
<When>
<Equal> <Equal>
<Left> <Left>
<Dependency path="/taxYear" /> <Modulo>
<Left>
<Dependency path="/taxYear" />
</Left>
<Right>
<Int>400</Int>
</Right>
</Modulo>
</Left> </Left>
<Right> <Right>
<Int>2024</Int> <Int>0</Int>
</Right> </Right>
</Equal> </Equal>
<Equal> </When>
<Left> <Then>
<Dependency path="/taxYear" /> <True />
</Left> </When>
<Right> </Then>
<Int>2028</Int> </Case>
</Right> <Case>
</Equal> <When>
</Any> <Equal>
<Left>
<Modulo>
<Left>
<Dependency path="/taxYear" />
</Left>
<Right>
<Int>4</Int>
</Right>
</Modulo>
</Left>
<Right>
<Int>0</Int>
</Right>
</Equal>
</When> </When>
<Then> <Then>
<True /> <True />

35
direct-file/fact-graph-scala/shared/src/main/scala/gov/irs/factgraph/compnodes/Modulo.scala Normal file
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@ -0,0 +1,35 @@
package gov.irs.factgraph.compnodes
import gov.irs.factgraph.{Expression, FactDictionary, Factual}
import gov.irs.factgraph.definitions.fact.CompNodeConfigTrait
import gov.irs.factgraph.operators.BinaryOperator
object Modulo extends CompNodeFactory:
override val Key: String = "Modulo"
private val operator = ModuloOperator()
def apply(lhs: CompNode, rhs: CompNode): BooleanNode =
if (lhs.getClass != rhs.getClass)
throw new UnsupportedOperationException(
s"cannot modulate a ${lhs.getClass.getName} and a ${rhs.getClass.getName}",
)
BooleanNode(
Expression.Binary(
lhs.expr,
rhs.expr,
operator,
),
)
override def fromDerivedConfig(e: CompNodeConfigTrait)(using Factual)(using
FactDictionary,
): CompNode =
val lhs = CompNode.getConfigChildNode(e, "Left")
val rhs = CompNode.getConfigChildNode(e, "Right")
this(lhs, rhs)
private final class ModuloOperator extends BinaryOperator[Boolean, Any, Any]:
override protected def operation(x: Any, y: Any): Boolean = x % y