erik/mobibot
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Code Issues Releases Activity

Added currency formatting.

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This commit is contained in:
Erik C. Thauvin 2021-08-01 23:23:44 -07:00
parent d11f32189e
commit c7961c2817
2 changed files with 20 additions and 14 deletions
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25
src/main/kotlin/net/thauvin/erik/mobibot/modules/CurrencyConverter.kt
View file

@ -31,7 +31,6 @@
*/
package net.thauvin.erik.mobibot.modules
import net.thauvin.erik.mobibot.Constants
import net.thauvin.erik.mobibot.Mobibot
import net.thauvin.erik.mobibot.Utils.bold
import net.thauvin.erik.mobibot.Utils.buildCmdSyntax
@ -45,10 +44,12 @@ import org.jdom2.input.SAXBuilder
import java.io.IOException
import java.net.URL
import java.text.NumberFormat
import java.util.Currency
import java.util.Locale
import javax.xml.XMLConstants
/**
* The CurrentConverter module.
* The CurrencyConverter module.
*/
class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
override fun commandResponse(
@ -87,9 +88,9 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
helpResponse(sender, isPrivate)
}
} else if (args.contains(CURRENCY_RATES_KEYWORD)) {
send(sender, "The currency rates for ${bold(pubDate)} are:", isPrivate)
send(sender, "The reference rates for ${bold(pubDate)} are:", isPrivate)
@Suppress("MagicNumber")
sendList(sender, currencyRates(), 3, isPrivate, isIndent = true)
sendList(sender, currencyRates(), 3, " ", isPrivate, isIndent = true)
} else {
helpResponse(sender, isPrivate)
}
@ -116,7 +117,7 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
),
isPrivate
)
send(sender, "For a listing of current rates:", isPrivate)
send(sender, "For a listing of current reference rates:", isPrivate)
send(
sender,
helpFormat(
@ -126,7 +127,7 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
)
send(sender, "The supported currencies are: ", isPrivate)
@Suppress("MagicNumber")
sendList(sender, ArrayList(EXCHANGE_RATES.keys), 11, isPrivate, isIndent = true)
sendList(sender, ArrayList(EXCHANGE_RATES.keys), 11, isPrivate = isPrivate, isIndent = true)
}
}
return true
@ -151,8 +152,11 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
// Last exchange rates table publication date
private var pubDate = ""
private fun Double.formatCurrency(): String =
NumberFormat.getCurrencyInstance(Constants.LOCALE).format(this).substring(1)
private fun Double.formatCurrency(currency: String): String =
NumberFormat.getCurrencyInstance(Locale.getDefault(Locale.Category.FORMAT)).let {
it.currency = Currency.getInstance(currency)
it.format(this)
}
/**
* Converts from a currency to another.
@ -173,8 +177,7 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
val doubleFrom = EXCHANGE_RATES[to]!!.toDouble()
val doubleTo = EXCHANGE_RATES[from]!!.toDouble()
PublicMessage(
amt.formatCurrency() + " ${cmds[1].uppercase()} = "
+ (amt * doubleTo / doubleFrom).formatCurrency() + " ${cmds[3].uppercase()}"
amt.formatCurrency(to) + " = " + (amt * doubleTo / doubleFrom).formatCurrency(from)
)
} catch (e: NumberFormatException) {
ErrorMessage("Let's try with some real numbers next time, okay?")
@ -192,7 +195,7 @@ class CurrencyConverter(bot: Mobibot) : ThreadedModule(bot) {
val rates = mutableListOf<String>()
for ((key, value) in EXCHANGE_RATES.toSortedMap()) {
@Suppress("MagicNumber")
rates.add(" $key: ${value.padStart(8)}")
rates.add("$key: ${value.padStart(8)}")
}
return rates
}

9
src/test/kotlin/net/thauvin/erik/mobibot/modules/CurrencyConverterTest.kt
View file

@ -51,11 +51,14 @@ class CurrencyConverterTest {
@Test
fun testConvertCurrency() {
assertThat(convertCurrency("100 USD to EUR").msg)
.describedAs("100 USD to EUR").matches("100\\.00 USD = \\d{2,3}\\.\\d{2} EUR")
.describedAs("100 USD to EUR").matches("\\$100\\.00 = €\\d{2,3}\\.\\d{2}")
assertThat(convertCurrency("100 USD to USD").msg).describedAs("100 USD to USD")
.contains("You're kidding, right?")
assertThat(convertCurrency("100 USD").msg).describedAs("100 USD").contains("Invalid query.")
assertThat(currencyRates().size).describedAs("currencyRates().size() == 33").isEqualTo(33)
assertThat(currencyRates()).describedAs("currencyRates().get(EUR)").contains(" EUR: 1")
val rates = currencyRates()
assertThat(rates.size).describedAs("currencyRates.size == 33").isEqualTo(33)
assertThat(rates).describedAs("currencyRates(EUR)").contains("EUR: 1")
assertThat(rates.stream().anyMatch { it.matches("USD: .*".toRegex()) })
.describedAs("currencyRates(USD)").isTrue
}
}