fix(dashboard): fix date conversion offset, calendar arrow directions, payment duplicate warning, attendance class filter, and session auto-generation

src/composables/usePersianDate.js

@@ -19,23 +19,71 @@ export function usePersianDate() {
     return result;
   };
 
+  const parseToMoment = (value) => {
+    if (!value) return null;
+    if (value instanceof Date) {
+      if (Number.isNaN(value.getTime())) return null;
+      return moment.utc(value.toISOString());
+    }
+    const latin = toLatinDigits(String(value)).trim();
+    if (!latin) return null;
+
+    if (/^\d{4}-\d{2}-\d{2}T/.test(latin)) {
+      const m = moment.utc(latin);
+      return m.isValid() ? m : null;
+    }
+
+    const match = latin.match(/^(\d{3,4})[./\-](\d{1,2})[./\-](\d{1,2})/);
+    if (match) {
+      const year = parseInt(match[1], 10);
+      const month = parseInt(match[2], 10);
+      const day = parseInt(match[3], 10);
+      if (year >= 1200 && year <= 1599) {
+        const normalized = `${year}/${String(month).padStart(2, '0')}/${String(day).padStart(2, '0')}`;
+        const m = moment(normalized, 'jYYYY/jMM/jDD');
+        return m.isValid() ? m : null;
+      }
+      if (year >= 1900 && year <= 2200) {
+        const normalized = `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
+        const m = moment.utc(normalized, 'YYYY-MM-DD');
+        return m.isValid() ? m : null;
+      }
+    }
+
+    const m = moment.utc(latin);
+    return m.isValid() ? m : null;
+  };
+
   const formatJalali = (date, formatStr = 'jYYYY/jMM/jDD') => {
     if (!date) return '-';
     try {
-      return toPersianDigits(moment(date).locale('fa').format(formatStr));
+      const m = parseToMoment(date);
+      if (!m || !m.isValid()) return '-';
+      return toPersianDigits(m.locale('fa').format(formatStr));
     } catch (e) {
       return '-';
     }
   };
 
   const formatJalaliWithTime = (date) => {
-    return formatJalali(date, 'jYYYY/jMM/jDD - HH:mm');
+    if (!date) return '-';
+    try {
+      const latin = toLatinDigits(String(date)).trim();
+      if (/^\d{4}-\d{2}-\d{2}T/.test(latin) || date instanceof Date) {
+        return toPersianDigits(moment(date).locale('fa').format('jYYYY/jMM/jDD - HH:mm'));
+      }
+      return formatJalali(date, 'jYYYY/jMM/jDD - HH:mm');
+    } catch (e) {
+      return '-';
+    }
   };
 
   const toJalaliPickerValue = (value) => {
     if (!value) return '';
     try {
-      return toLatinDigits(moment(value).locale('fa').format('jYYYY/jMM/jDD'));
+      const m = parseToMoment(value);
+      if (!m || !m.isValid()) return '';
+      return toLatinDigits(m.locale('fa').format('jYYYY/jMM/jDD'));
     } catch (e) {
       return '';
     }
@@ -43,11 +91,10 @@ export function usePersianDate() {
 
   const toGregorianIso = (jalaliValue) => {
     if (!jalaliValue) return undefined;
-    if (jalaliValue instanceof Date) return jalaliValue.toISOString();
     try {
-      const latin = toLatinDigits(String(jalaliValue));
-      const m = moment(latin, 'jYYYY/jMM/jDD');
-      return m.isValid() ? m.toDate().toISOString() : undefined;
+      const m = parseToMoment(jalaliValue);
+      if (!m || !m.isValid()) return undefined;
+      return `${m.format('YYYY-MM-DD')}T00:00:00.000Z`;
     } catch (e) {
       return undefined;
     }
@@ -66,6 +113,7 @@ export function usePersianDate() {
   return {
     toPersianDigits,
     toLatinDigits,
+    parseToMoment,
     formatJalali,
     formatJalaliWithTime,
     toJalaliPickerValue,