19 lines
677 B
Kotlin
19 lines
677 B
Kotlin
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package OOP.Java.lab_6
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import kotlin.time.Duration
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class Album(val albumName: String, val artist: String, val tracks: Array<Track>) {
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fun tracksInDurationRange(durationRange: ClosedRange<Duration>): Array<Track> {
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return this.tracks.filter { it.duration in durationRange }.toTypedArray()
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}
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fun totalDuration(): Duration {
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var totalDuration: Duration = Duration.ZERO
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this.tracks.forEach { totalDuration += it.duration }
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return totalDuration
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}
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override fun toString(): String {
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return "${this.albumName} by ${this.artist}\nTotal duration: ${this.totalDuration()}\nTracks:\n${this.tracks.joinToString("\n")}"
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}
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}
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