fix: dashboard

src/composables/useTehranCalendar.js

@@ -0,0 +1,50 @@
+import { toFaDigits } from '@/utils/persian'
+import { toJalaali } from '@/utils/date-utils'
+
+const WEEKDAY_NAMES = ['شنبه', 'یکشنبه', 'دوشنبه', 'سه شنبه', 'چهارشنبه', 'پنجشنبه', 'جمعه']
+const MONTH_NAMES = [
+  'فروردین',
+  'اردیبهشت',
+  'خرداد',
+  'تیر',
+  'مرداد',
+  'شهریور',
+  'مهر',
+  'آبان',
+  'آذر',
+  'دی',
+  'بهمن',
+  'اسفند',
+]
+const GREGORIAN_WEEKDAYS = ['Sat', 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri']
+const DAY_MS = 24 * 60 * 60 * 1000
+
+/**
+ * Builds the current Jalaali week (Saturday → Friday) anchored to the Asia/Tehran
+ * timezone, independent of the viewer's local clock. The day matching Tehran's
+ * "today" is flagged `selected`. Returns `{ month, days }` for DashboardCalendar.
+ */
+export const useTehranCalendar = () => {
+  const parts = new Intl.DateTimeFormat('en-US', {
+    timeZone: 'Asia/Tehran',
+    year: 'numeric',
+    month: 'numeric',
+    day: 'numeric',
+    weekday: 'short',
+  }).formatToParts(new Date())
+  const part = (type) => parts.find((p) => p.type === type)?.value
+  const todayIndex = GREGORIAN_WEEKDAYS.indexOf(part('weekday'))
+  const todayUtc = Date.UTC(Number(part('year')), Number(part('month')) - 1, Number(part('day')))
+  const weekStartUtc = todayUtc - todayIndex * DAY_MS
+
+  const today = new Date(todayUtc)
+  const { jm } = toJalaali(today.getUTCFullYear(), today.getUTCMonth() + 1, today.getUTCDate())
+
+  const days = WEEKDAY_NAMES.map((weekday, i) => {
+    const date = new Date(weekStartUtc + i * DAY_MS)
+    const { jd } = toJalaali(date.getUTCFullYear(), date.getUTCMonth() + 1, date.getUTCDate())
+    return { weekday, day: toFaDigits(jd), selected: i === todayIndex }
+  })
+
+  return { month: `${MONTH_NAMES[jm - 1]} ماه`, days }
+}