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Updated on 2026-08-14

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Tangem 2024-05-20 15:34:54 +05:00
commit c7558ad0a7
6 changed files with 64 additions and 41 deletions
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45
core/ui/src/main/java/com/tangem/core/ui/utils/BigDecimalFormatter.kt
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@ -16,6 +16,10 @@ object BigDecimalFormatter {
private const val TEMP_CURRENCY_CODE = "USD"
private val FIAT_FORMAT_THRESHOLD = BigDecimal("0.01")
private const val FIAT_MARKET_DEFAULT_DIGITS = 2
private const val FIAT_MARKET_EXTENDED_DIGITS = 6
fun formatCryptoAmount(
cryptoAmount: BigDecimal?,
cryptoCurrency: String,
@ -82,8 +86,43 @@ object BigDecimalFormatter {
val formatterCurrency = getCurrency(fiatCurrencyCode)
val formatter = NumberFormat.getCurrencyInstance(locale).apply {
currency = formatterCurrency
maximumFractionDigits = 2
minimumFractionDigits = 2
maximumFractionDigits = FIAT_MARKET_DEFAULT_DIGITS
minimumFractionDigits = FIAT_MARKET_DEFAULT_DIGITS
roundingMode = RoundingMode.HALF_UP
}
return if (fiatAmount.isLessThanThreshold()) {
buildString {
append(CAN_BE_LOWER_SIGN)
append(
formatter.format(FIAT_FORMAT_THRESHOLD)
.replace(formatterCurrency.getSymbol(locale), fiatCurrencySymbol),
)
}
} else {
formatter.format(fiatAmount)
.replace(formatterCurrency.getSymbol(locale), fiatCurrencySymbol)
}
}
fun formatFiatAmountUncapped(
fiatAmount: BigDecimal?,
fiatCurrencyCode: String,
fiatCurrencySymbol: String,
locale: Locale = Locale.getDefault(),
): String {
if (fiatAmount == null) return EMPTY_BALANCE_SIGN
val formatterCurrency = getCurrency(fiatCurrencyCode)
val digits = if (fiatAmount.isLessThanThreshold()) {
FIAT_MARKET_EXTENDED_DIGITS
} else {
FIAT_MARKET_DEFAULT_DIGITS
}
val formatter = NumberFormat.getCurrencyInstance(locale).apply {
currency = formatterCurrency
maximumFractionDigits = digits
minimumFractionDigits = FIAT_MARKET_DEFAULT_DIGITS
roundingMode = RoundingMode.HALF_UP
}
@ -141,4 +180,6 @@ object BigDecimalFormatter {
}
}
}
private fun BigDecimal.isLessThanThreshold() = this > BigDecimal.ZERO && this < FIAT_FORMAT_THRESHOLD
}