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Optimize GradeCustomConverters

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Mikołaj Pich 2020-02-01 22:00:46 +01:00
parent 0f68c9b1d9
commit 9ac5de0aa5
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1 changed files with 11 additions and 9 deletions
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20
sdk-scrapper/src/main/kotlin/io/github/wulkanowy/sdk/scrapper/grades/GradeCustomConverters.kt
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@ -5,6 +5,10 @@ import pl.droidsonroids.jspoon.ElementConverter
import pl.droidsonroids.jspoon.annotation.Selector
private val validGrade = "^(\\++|-|--|=)?[0-6](\\++|-|--|=)?$".toRegex()
private val gradeMinus = "[-][0-6]|[0-6][-]".toRegex()
private val gradePlus = "[+][0-6]|[0-6][+]".toRegex()
private val gradeDoublePlus = "[+]{2}[0-6]|[0-6][+]{2}".toRegex()
private val gradeDoubleMinus = "[-|=]{1,2}[0-6]|[0-6][-|=]{1,2}".toRegex()
private const val modifierWeight = .33
class GradeValueConverter : ElementConverter<Int?> {
@ -36,16 +40,14 @@ fun isGradeValid(grade: String): Boolean {
fun getGradeValueWithModifier(grade: String): Pair<Int, Double> {
return grade.substringBefore(" (").run {
if (this.matches(validGrade)) {
if (matches(validGrade)) {
when {
matches("[-][0-6]|[0-6][-]".toRegex()) -> Pair(replace("-", "").toInt(), -modifierWeight)
matches("[+][0-6]|[0-6][+]".toRegex()) -> Pair(replace("+", "").toInt(), modifierWeight)
matches("[+]{2}[0-6]|[0-6][+]{2}".toRegex()) -> Pair(replace("++", "").toInt(), .5)
matches("[-|=]{1,2}[0-6]|[0-6][-|=]{1,2}".toRegex()) -> Pair(replace("[-|=]{1,2}".toRegex(), "").toInt(), -.5)
else -> Pair(this.toInt(), .0)
matches(gradeMinus) -> replace("-", "").toInt() to -modifierWeight
matches(gradePlus) -> replace("+", "").toInt() to modifierWeight
matches(gradeDoublePlus) -> replace("++", "").toInt() to .5
matches(gradeDoubleMinus) -> replace("[-|=]{1,2}".toRegex(), "").toInt() to -.5
else -> toInt() to .0
}
} else {
Pair(0, .0)
}
} else 0 to .0
}
}