io.github.wulkanowy.sdk.scrapper.grades.GradeCustomConverters.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sdk-scrapper Show documentation

Unified way of retrieving data from the UONET+ register through mobile api and scraping api

There is a newer version: 2.7.0

package io.github.wulkanowy.sdk.scrapper.grades

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 MODIFIER_WEIGHT = .33

fun isGradeValid(grade: String): Boolean {
    return grade.matches(validGrade)
}

fun getGradeValueWithModifier(grade: String): Pair {
    val gradeValue = grade.substringBefore(" (")
    if (!gradeValue.matches(validGrade)) {
        return null to null
    }

    return gradeValue.run {
        when {
            matches(gradeMinus) -> replace("-", "").toInt() to -MODIFIER_WEIGHT
            matches(gradePlus) -> replace("+", "").toInt() to MODIFIER_WEIGHT
            matches(gradeDoublePlus) -> replace("++", "").toInt() to .5
            matches(gradeDoubleMinus) -> replace("[-|=]{1,2}".toRegex(), "").toInt() to -.5
            else -> (toIntOrNull() ?: 0) to .0
        }
    }
}