refactor: unify BI date range filters

src/modules/energy/date-range.ts

@@ -0,0 +1,50 @@
+import type { DateQuickPick } from './types';
+
+export type DateRangeMode = DateQuickPick | 'custom';
+
+export interface DateRangeValue {
+  start: string;
+  end: string;
+}
+
+const LABELS: Record<DateQuickPick, string> = {
+  thisWeek: '本周',
+  thisMonth: '本月',
+  last15: '近 15 天',
+};
+
+function fmtYmd(date: Date): string {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`;
+}
+
+function addDays(date: Date, days: number): Date {
+  const next = new Date(date);
+  next.setDate(next.getDate() + days);
+  return next;
+}
+
+export function getQuickDateRange(pick: DateQuickPick, now = new Date()): DateRangeValue {
+  const today = new Date(now);
+  today.setHours(0, 0, 0, 0);
+  if (pick === 'thisWeek') {
+    const day = today.getDay() || 7;
+    return { start: fmtYmd(addDays(today, -(day - 1))), end: fmtYmd(today) };
+  }
+  if (pick === 'thisMonth') {
+    return { start: fmtYmd(new Date(today.getFullYear(), today.getMonth(), 1)), end: fmtYmd(today) };
+  }
+  return { start: fmtYmd(addDays(today, -14)), end: fmtYmd(today) };
+}
+
+export function normalizeDateRange(start: string, end: string): DateRangeValue {
+  return start <= end ? { start, end } : { start: end, end: start };
+}
+
+export function dateRangeModeLabel(mode: DateRangeMode): string {
+  return mode === 'custom' ? '自定义区间' : LABELS[mode];
+}
+
+export const QUICK_DATE_OPTIONS = (Object.keys(LABELS) as DateQuickPick[]).map(id => ({
+  id,
+  label: LABELS[id],
+}));