59 lines
3.8 KiB
TypeScript
59 lines
3.8 KiB
TypeScript
import type { AlertEvent, AlertRule, AlertSeverity, AlertStatus } from '../../api/types';
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import { formatZhNumber } from './formatters';
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const alertTimeFormatter = new Intl.DateTimeFormat('zh-CN', {
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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hour12: false,
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timeZone: 'Asia/Shanghai'
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});
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export const severityLabels: Record<AlertSeverity, string> = { critical: '紧急', major: '重要', minor: '一般' };
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export const statusLabels: Record<AlertStatus, string> = { unprocessed: '未处理', processing: '处理中', recovered: '已恢复', closed: '已关闭', ignored: '已忽略' };
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export const actionLabels: Record<string, string> = { trigger: '触发', acknowledge: '已确认', close: '已关闭', ignore: '已忽略', recover: '已恢复', processing: '处理中', recovered: '已恢复', closed: '已关闭', ignored: '已忽略' };
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export const metricLabels: Record<string, string> = { speed_kmh: '速度', soc_percent: 'SOC', alarm_active: '协议告警位', freshness_sec: '离线时长', data_delay_sec: '数据延迟' };
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export const operatorLabels: Record<string, string> = { gt: '>', gte: '≥', lt: '<', lte: '≤', eq: '=', neq: '≠', between: '区间内', outside: '区间外', changed: '状态变化' };
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export function formatAlertTime(value: string) {
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if (!value) return '—';
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const date = new Date(value);
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if (Number.isNaN(date.getTime())) return value.replace('T', ' ').slice(0, 19);
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return alertTimeFormatter.format(date).replace(/\//g, '-');
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}
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export function alertValue(event: Pick<AlertEvent, 'triggerValue' | 'unit'>) {
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return `${formatZhNumber(Number(event.triggerValue.toFixed(2)), 2)} ${event.unit}`.trim();
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}
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export function thresholdText(event: Pick<AlertEvent, 'operator' | 'threshold' | 'thresholdHigh' | 'unit' | 'durationSec'>) {
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const duration = event.durationSec > 0 ? `，持续 ${event.durationSec} 秒` : '';
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if (event.operator === 'between' || event.operator === 'outside') return `${operatorLabels[event.operator]} ${event.threshold}–${event.thresholdHigh} ${event.unit}${duration}`.trim();
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if (event.operator === 'changed') return `状态发生变化${duration}`;
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return `${operatorLabels[event.operator] ?? event.operator} ${formatZhNumber(Number(event.threshold.toFixed(2)), 2)} ${event.unit}${duration}`.trim();
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}
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export function alertDeltaText(event: Pick<AlertEvent, 'operator' | 'triggerValue' | 'threshold' | 'unit'>) {
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if (!Number.isFinite(event.triggerValue) || !Number.isFinite(event.threshold)) return '规则已命中';
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const delta = event.operator === 'gt' || event.operator === 'gte'
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? event.triggerValue - event.threshold
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: event.operator === 'lt' || event.operator === 'lte'
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? event.threshold - event.triggerValue
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: Number.NaN;
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if (!Number.isFinite(delta)) return '规则已命中';
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return `+${formatZhNumber(Number(Math.max(0, delta).toFixed(2)), 2)} ${event.unit}`.trim();
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}
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export function ruleCondition(rule: AlertRule, labels: Record<string, string> = metricLabels) {
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const threshold = rule.operator === 'changed' ? '状态变化' : rule.operator === 'between' || rule.operator === 'outside' ? `${operatorLabels[rule.operator]} ${rule.threshold}–${rule.thresholdHigh}` : rule.valueType === 'boolean' ? (rule.booleanThreshold ? '是' : '否') : `${operatorLabels[rule.operator] ?? rule.operator} ${rule.threshold}`;
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return `${labels[rule.metric] ?? rule.metric} ${threshold}${rule.durationSec ? ` · ${rule.durationSec} 秒` : ''}`;
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}
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export function canAct(status: AlertStatus, action: 'acknowledge' | 'close' | 'ignore') {
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if (action === 'acknowledge') return status === 'unprocessed';
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if (action === 'close') return status === 'unprocessed' || status === 'processing' || status === 'recovered';
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return status === 'unprocessed' || status === 'processing';
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}
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