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Fixed old fix that fixed fix

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This commit is contained in:
Sad Ellie 2023-01-28 16:44:29 +04:00
parent febcec5201
commit 67b7af080f
1 changed files with 33 additions and 24 deletions
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53
feature/converter/src/main/java/com/sadellie/unitto/feature/converter/MainViewModel.kt
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@ -74,6 +74,7 @@ import kotlinx.coroutines.isActive
import kotlinx.coroutines.launch import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext import kotlinx.coroutines.withContext
import java.math.BigDecimal import java.math.BigDecimal
import java.math.RoundingMode
import javax.inject.Inject import javax.inject.Inject
@HiltViewModel @HiltViewModel
@ -394,8 +395,6 @@ class MainViewModel @Inject constructor(
} }
private suspend fun convertInput() { private suspend fun convertInput() {
// Loading don't do anything
if ((_unitFrom.value == null) or (_unitTo.value == null)) return
withContext(Dispatchers.Default) { withContext(Dispatchers.Default) {
while (isActive) { while (isActive) {
when (_unitFrom.value?.group) { when (_unitFrom.value?.group) {
@ -408,10 +407,14 @@ class MainViewModel @Inject constructor(
} }
private fun convertAsNumberBase() { private fun convertAsNumberBase() {
val conversionResult: String = try { // Units are still loading, don't convert anything yet
(_unitFrom.value as NumberBaseUnit).convertToBase( val unitFrom = _unitFrom.value ?: return
val unitTo = _unitTo.value ?: return
val conversionResult = try {
(unitFrom as NumberBaseUnit).convertToBase(
input = _input.value, input = _input.value,
toBase = (_unitTo.value as NumberBaseUnit).base toBase = (unitTo as NumberBaseUnit).base
) )
} catch (e: Exception) { } catch (e: Exception) {
when (e) { when (e) {
@ -424,11 +427,15 @@ class MainViewModel @Inject constructor(
} }
private fun convertAsExpression() { private fun convertAsExpression() {
// Units are still loading, don't convert anything yet
val unitFrom = _unitFrom.value ?: return
val unitTo = _unitTo.value ?: return
// First we clean the input from garbage at the end // First we clean the input from garbage at the end
var cleanInput = _input.value.dropLastWhile { !it.isDigit() } var cleanInput = _input.value.dropLastWhile { !it.isDigit() }
// Now we close open brackets that user didn't close // Now we close open brackets that user didn't close
// AUTO-CLOSE ALL BRACKETS // AUTOCLOSE ALL BRACKETS
val leftBrackets = _input.value.count { it.toString() == KEY_LEFT_BRACKET } val leftBrackets = _input.value.count { it.toString() == KEY_LEFT_BRACKET }
val rightBrackets = _input.value.count { it.toString() == KEY_RIGHT_BRACKET } val rightBrackets = _input.value.count { it.toString() == KEY_RIGHT_BRACKET }
val neededBrackets = leftBrackets - rightBrackets val neededBrackets = leftBrackets - rightBrackets
@ -437,38 +444,31 @@ class MainViewModel @Inject constructor(
// Now we evaluate expression in input // Now we evaluate expression in input
val evaluationResult: BigDecimal = try { val evaluationResult: BigDecimal = try {
Expressions().eval(cleanInput) Expressions().eval(cleanInput)
.setScale(_userPrefs.value.digitsPrecision, RoundingMode.HALF_EVEN)
.trimZeros()
} catch (e: Exception) { } catch (e: Exception) {
when (e) { when (e) {
// Invalid expression, don't do anything is ExpressionException,
is ArrayIndexOutOfBoundsException, is ArrayIndexOutOfBoundsException,
is IndexOutOfBoundsException, is IndexOutOfBoundsException,
is ExpressionException -> return is NumberFormatException,
// Divide by zero or SQRT of negative is ArithmeticException -> {
is NumberFormatException, is ArithmeticException -> { // Invalid expression, can't do anything further
_calculated.update { null }
_result.update { "" }
return return
} }
else -> throw e else -> throw e
} }
} }
// Now we just convert.
// We can use evaluation result here, input is valid
val conversionResult: BigDecimal = _unitFrom.value!!.convert(
_unitTo.value!!,
evaluationResult,
_userPrefs.value.digitsPrecision
)
// Evaluated. Hide calculated result if no expression entered. // Evaluated. Hide calculated result if no expression entered.
// 123.456 will be true // 123.456 will be true
// -123.456 will be true // -123.456 will be true
// -123.456-123 will be false (first minus gets removed, ending with 123.456) // -123.456-123 will be false (first minus gets removed, ending with 123.456)
_calculated.update {
if (_input.value.removePrefix(KEY_MINUS).all { it.toString() !in OPERATORS }) { if (_input.value.removePrefix(KEY_MINUS).all { it.toString() !in OPERATORS }) {
null // No operators
_calculated.update { null }
} else { } else {
_calculated.update {
evaluationResult evaluationResult
.setMinimumRequiredScale(_userPrefs.value.digitsPrecision) .setMinimumRequiredScale(_userPrefs.value.digitsPrecision)
.trimZeros() .trimZeros()
@ -476,6 +476,15 @@ class MainViewModel @Inject constructor(
} }
} }
// Now we just convert.
// We can use evaluation result here, input is valid.
val conversionResult: BigDecimal = unitFrom.convert(
unitTo,
evaluationResult,
_userPrefs.value.digitsPrecision
)
// Converted
_result.update { conversionResult.toStringWith(_userPrefs.value.outputFormat) } _result.update { conversionResult.toStringWith(_userPrefs.value.outputFormat) }
} }