Files
luna-tracker/app/src/main/java/utils/NumericUtils.kt
2025-09-29 04:57:13 +02:00

110 lines
4.2 KiB
Kotlin

package utils
import android.content.Context
import android.icu.util.LocaleData
import android.icu.util.ULocale
import android.os.Build
import it.danieleverducci.lunatracker.R
import it.danieleverducci.lunatracker.entities.LunaEvent
import java.text.NumberFormat
class NumericUtils (val context: Context) {
val numberFormat: NumberFormat
val measurement_unit_liquid_base: String
val measurement_unit_weight_base: String
val measurement_unit_weight_tiny: String
val measurement_unit_temperature_base: String
private fun isMetricSystem(): Boolean {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
val measurementSystem = LocaleData.getMeasurementSystem(ULocale.getDefault())
return (measurementSystem == LocaleData.MeasurementSystem.SI)
} else {
val locale = context.resources.configuration.locale
return when (locale.country) {
// https://en.wikipedia.org/wiki/United_States_customary_units
// https://en.wikipedia.org/wiki/Imperial_units
"US" -> false // US IMPERIAL
// UK, Myanmar, Liberia,
"GB", "MM", "LR" -> false // IMPERIAL
else -> true // METRIC
}
}
}
init {
this.numberFormat = NumberFormat.getInstance()
this.measurement_unit_liquid_base = context.getString(
if (isMetricSystem())
R.string.measurement_unit_liquid_base_metric
else
R.string.measurement_unit_liquid_base_imperial
)
this.measurement_unit_weight_base = context.getString(
if (isMetricSystem())
R.string.measurement_unit_weight_base_metric
else
R.string.measurement_unit_weight_base_imperial
)
this.measurement_unit_weight_tiny = context.getString(
if (isMetricSystem())
R.string.measurement_unit_weight_tiny_metric
else
R.string.measurement_unit_weight_tiny_imperial
)
this.measurement_unit_temperature_base = context.getString(
if (isMetricSystem())
R.string.measurement_unit_temperature_base_metric
else
R.string.measurement_unit_temperature_base_imperial
)
}
fun formatEventQuantity(item: LunaEvent): String {
val formatted = StringBuilder()
if (item.quantity > 0) {
formatted.append(when (item.type) {
LunaEvent.TYPE_TEMPERATURE ->
(item.quantity / 10.0f).toString()
else ->
item.quantity
})
formatted.append(" ")
formatted.append(
when (item.type) {
LunaEvent.TYPE_BABY_BOTTLE -> measurement_unit_liquid_base
LunaEvent.TYPE_WEIGHT -> measurement_unit_weight_base
LunaEvent.TYPE_MEDICINE -> measurement_unit_weight_tiny
LunaEvent.TYPE_TEMPERATURE -> measurement_unit_temperature_base
else -> ""
}
)
}
return formatted.toString()
}
/**
* Returns a valid quantity range for the event type.
* @return min, max, normal
*/
fun getValidEventQuantityRange(lunaEventType: String): Triple<Int, Int, Int>? {
return when (lunaEventType) {
LunaEvent.TYPE_TEMPERATURE -> {
if (isMetricSystem())
Triple(
context.resources.getInteger(R.integer.human_body_temp_min_metric),
context.resources.getInteger(R.integer.human_body_temp_max_metric),
context.resources.getInteger(R.integer.human_body_temp_normal_metric)
)
else
Triple(
context.resources.getInteger(R.integer.human_body_temp_min_imperial),
context.resources.getInteger(R.integer.human_body_temp_max_imperial),
context.resources.getInteger(R.integer.human_body_temp_normal_imperial)
)
}
else -> null
}
}
}