nilsandClaude Opus 5.5
2931b1feed
Vehicle info shows the km allowed by today (40,000 km over four years from 2023-05-01, evenly per day) and the odometer against it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6
32 lines
1.2 KiB
Java
32 lines
1.2 KiB
Java
package com.evsuite.abrp;
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import java.time.LocalDate;
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import java.time.temporal.ChronoUnit;
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/**
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* The lease's mileage allowance: 40,000 km over four years from 1 May 2023, accruing evenly per
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* day. The Overview's Vehicle info card shows what is allowed by today and how far the odometer
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* is above or below it. Pure Java, so it is unit-tested.
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*/
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final class LeaseAllowance {
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static final LocalDate START = LocalDate.of(2023, 5, 1);
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static final LocalDate END = START.plusYears(4);
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static final double TOTAL_KM = 40_000d;
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private LeaseAllowance() {}
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/** Kilometres allowed by {@code today}: none before the start, all of them from the end on. */
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static double allowedKm(LocalDate today) {
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long total = ChronoUnit.DAYS.between(START, END);
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long elapsed = Math.max(0L, Math.min(total, ChronoUnit.DAYS.between(START, today)));
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return TOTAL_KM * elapsed / total;
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}
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/** Odometer minus allowance: positive over, negative under; null when the odometer is unread. */
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static Double differenceKm(Float odometerKm, LocalDate today) {
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if (odometerKm == null || !Float.isFinite(odometerKm)) return null;
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return odometerKm - allowedKm(today);
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}
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}
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