refactor: modularize application domains

src/modules/energy/hydrogen-daily/model.ts

@@ -0,0 +1,41 @@
+import type { HydrogenDailyRow } from '../types';
+
+export {
+  formatYmd,
+  getQuickRange,
+  getRangeModeLabel,
+  normalizeRange,
+  QUICK_PICK_OPTIONS,
+  type RangeMode,
+} from '../daily-range/model';
+
+export function summarizeHydrogenRows(rows: HydrogenDailyRow[] | null) {
+  const source = rows ?? [];
+  // 图表固定按日期升序；复制数组避免改变接口返回及表格原始顺序。
+  const trendData = [...source].sort((left, right) => left.date.localeCompare(right.date));
+  const totalKg = source.reduce((total, row) => total + row.totalKg, 0);
+  const activeDays = source.filter(row => row.totalKg > 0).length;
+  const stationNames = new Set<string>();
+  source.forEach(row => row.stations.forEach(station => stationNames.add(station.name)));
+  const peakDay = trendData.reduce<HydrogenDailyRow | null>(
+    (best, item) => (!best || item.totalKg > best.totalKg ? item : best),
+    null,
+  );
+  const lowDay = trendData
+    .filter(item => item.totalKg > 0)
+    .reduce<HydrogenDailyRow | null>(
+      (low, item) => (!low || item.totalKg < low.totalKg ? item : low),
+      null,
+    );
+
+  return {
+    trendData,
+    totalKg,
+    activeDays,
+    stationCount: stationNames.size,
+    avgKg: activeDays > 0 ? totalKg / activeDays : 0,
+    peakDay,
+    lowDay,
+    zeroDays: source.filter(row => row.totalKg === 0).length,
+  };
+}