31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
import type { MonitoringVehicle } from './types';
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import type { VehicleRecentDay } from './api';
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export function monitoringMileageValue(vehicle: MonitoringVehicle): number | string {
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if (vehicle.periodMileageKm !== undefined) return vehicle.periodMileageKm ?? '—';
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if (vehicle.mileageAnomaly) return '数据异常';
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if (!vehicle.isDataSynced) return '—';
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return Math.max(0, vehicle.dailyKm || 0);
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}
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export function hasDailyMileage(day: VehicleRecentDay): boolean {
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return day.isDataSynced && Number.isFinite(day.dailyKm) && day.dailyKm >= 0;
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}
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export function recentMileageStats(days: VehicleRecentDay[]) {
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const validDays = days.filter(hasDailyMileage);
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const totalKm = validDays.reduce((sum, day) => sum + day.dailyKm, 0);
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return {
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totalKm,
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synced: validDays.length,
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avg: validDays.length ? totalKm / validDays.length : 0,
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max: Math.max(1, ...validDays.map(day => day.dailyKm)),
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totalDays: days.length,
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};
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}
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export function mileageQualityLabel(vehicle: MonitoringVehicle): string | null {
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if (!vehicle.qualityStatus) return null;
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return `${vehicle.validDays ?? 0}天有效 · ${vehicle.missingDays ?? 0}天缺失 · ${vehicle.anomalyDays ?? 0}天异常`;
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}
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