Easy interface for Technion courses in Kotlin.

CourseApi.kt

import kotlinx.serialization.Serializable
import kotlinx.serialization.decodeFromString
import java.net.URL
import kotlinx.serialization.json.Json


data class ScheduleItem(val group: String?, val number: String?, val type: String?, val lecturer: String?, val day: String?,
                        val hours: String?, val building: String?, val room: String?)

data class Course(val faculty: String?, val name: String?, val number: String?, val pts: Double?,
                      val lectureHours: Int?, val recitationHours: Int?, val labHours: Int?, val seminarHours: Int?,
                      val syllabus: String?, val prerequisites: String?, val adjacent: String?, val noAdditionalCredit: String?,
                      val identical: String?, val containing: String?, val contained: String?, val responsible: String?,
                      val comments: String?, val schedule: List<ScheduleItem>)
@Serializable
data class CourseBase(val general: Map<String, String>, val schedule: List<Map<String, String>>) {
    fun toCourse(): Course {
        val faculty = general["פקולטה"]
        val name = general["שם מקצוע"]
        val number = general["מספר מקצוע"]
        val pts = general["נקודות"]?.toDoubleOrNull()
        val lectureHours = general["הרצאה"]?.toIntOrNull()
        val recitationHours = general["תרגיל"]?.toIntOrNull()
        val labHours = general["מעבדה"]?.toIntOrNull()
        val seminarHours = general["פרויקט\\/סמינר"]?.toIntOrNull()
        val syllabus = general["סילבוס"]
        val prerequisites = general["מקצועות קדם"]
        val adjacent = general["מקצועות צמודים"]
        val noAdditionalCredit = general["מקצועות ללא זיכוי נוסף"]
        val identical = general["מקצועות זהים"]
        val containing = general["מקצועות ללא זיכוי נוסף (מכילים)"]
        val contained = general["מקצועות ללא זיכוי נוסף (מוכלים)"]
        val responsible = general["אחראים"]
        val comments = general["הערות"]
        val schedule = schedule.map {
            val group = it["קבוצה"]
            val groupNumber = it["מס."]
            val type = it["סוג"]
            val lecturer = it["מרצה\\/מתרגל"]
            val day = it["יום"]
            val hours = it["שעה"]
            val building = it["בניין"]
            val room = it["חדר"]
            ScheduleItem(group, groupNumber, type, lecturer, day, hours, building, room)
        }
        return Course(faculty, name, number, pts, lectureHours, recitationHours, labHours, seminarHours, syllabus, prerequisites, adjacent, noAdditionalCredit, identical, containing, contained, responsible, comments, schedule)


    }
}
private val courses by lazy { loadCourses() }
fun getAllCourses(): List<Course> = courses.toList()
private fun loadCourses(): List<Course> {
    val text = URL("https://cheesefork.cf/courses/courses_$semester.min.js").readText()
            .removePrefix("var courses_from_rishum = ")
    val coursesBase = Json.decodeFromString<List<CourseBase>>(text)
    return coursesBase.map { it.toCourse() }
}

val semester = "202002"
fun main() {
    println(courses.filterNot { course-> (2 until course.number!!.toInt()).any { it % course.number.toInt() == 0 } }[0])
}