fix(fiat): don't enforce same currencies in plus/minus whe modifying with Zero

bmc08gt · bmc08gt · commit 26fd2327a305 · 2025-11-02T07:45:55.000-05:00
Signed-off-by: Brandon McAnsh &lt;git@bmcreations.dev&gt;
diff --git a/services/opencode/src/main/kotlin/com/getcode/opencode/model/financial/Fiat.kt b/services/opencode/src/main/kotlin/com/getcode/opencode/model/financial/Fiat.kt
@@ -180,11 +180,13 @@ data class Fiat(
 
 // Operator overloads
 operator fun Fiat.plus(other: Fiat): Fiat {
+    if (other.decimalValue == 0.0) return this
     require(currencyCode == other.currencyCode) { "Cannot add different currencies" }
     return Fiat(quarks = this.quarks + other.quarks, currencyCode = currencyCode)
 }
 
 operator fun Fiat.minus(other: Fiat): Fiat {
+    if (other.decimalValue == 0.0) return this
     require(currencyCode == other.currencyCode) { "Cannot subtract different currencies" }
     return Fiat(quarks = this.quarks - other.quarks, currencyCode = currencyCode)
 }

Original file line number	Diff line number	Diff line change
`@@ -180,11 +180,13 @@ data class Fiat(`
`180`	`180`
`181`	`181`	`// Operator overloads`
`182`	`182`	`operator fun Fiat.plus(other: Fiat): Fiat {`
	`183`	`+ if (other.decimalValue == 0.0) return this`
`183`	`184`	`require(currencyCode == other.currencyCode) { "Cannot add different currencies" }`
`184`	`185`	`return Fiat(quarks = this.quarks + other.quarks, currencyCode = currencyCode)`
`185`	`186`	`}`
`186`	`187`
`187`	`188`	`operator fun Fiat.minus(other: Fiat): Fiat {`
	`189`	`+ if (other.decimalValue == 0.0) return this`
`188`	`190`	`require(currencyCode == other.currencyCode) { "Cannot subtract different currencies" }`
`189`	`191`	`return Fiat(quarks = this.quarks - other.quarks, currencyCode = currencyCode)`
`190`	`192`	`}`