fix(dashboard): resolve loop and datepicker issues in class and session edit forms

src/views/sessions/SessionFormView.vue

@@ -112,7 +112,7 @@ import Button from 'primevue/button';
 const route = useRoute();
 const router = useRouter();
 const { showSuccess, showError } = useToast();
-const { toLatinDigits, getTodayJalali } = usePersianDate();
+const { toLatinDigits, toJalaliPickerValue, toGregorianIso, getTodayJalali } = usePersianDate();
 
 const sessionId = route.params.id;
 const isEditMode = computed(() => !!sessionId);
@@ -132,7 +132,7 @@ const form = reactive({
   course: null,
   class: null,
   professor: null,
-  day: moment().locale('fa').format('jYYYY/jMM/jDD'),
+  day: getTodayJalali(),
   startTime: '19:00',
   endTime: '20:30',
   status: 'scheduled',
@@ -142,27 +142,19 @@ const form = reactive({
   adminNotes: []
 });
 
-const toGregorianIso = (jalaliValue) => {
-  if (!jalaliValue) return null;
-  if (jalaliValue instanceof Date) return jalaliValue.toISOString();
-  const latin = toLatinDigits(String(jalaliValue));
-  const m = moment(latin, 'jYYYY/jMM/jDD');
-  return m.isValid() ? m.toDate().toISOString() : null;
-};
-
-const toJalaliDisplay = (value) => {
-  if (!value) return '';
-  return moment(value).locale('fa').format('jYYYY/jMM/jDD');
-};
-
 const loadClasses = async (courseId) => {
   if (!courseId) {
     classes.value = [];
     return;
   }
-  const res = await classApi.getAll({ limit: 100, courseId });
-  const data = res.data || res;
-  classes.value = Array.isArray(data) ? data : (data.items || data.data || []);
+  try {
+    const res = await classApi.getAll({ limit: 100, courseId });
+    const data = res.data || res;
+    classes.value = Array.isArray(data) ? data : (data.items || data.data || []);
+  } catch (err) {
+    console.warn('Failed to load classes for course:', err);
+    classes.value = [];
+  }
 };
 
 const onCourseChange = async () => {
@@ -172,19 +164,25 @@ const onCourseChange = async () => {
 
 const fetchData = async () => {
   try {
-    const [cRes, pRes] = await Promise.all([
+    const [cResult, pResult] = await Promise.allSettled([
       courseApi.getAll({ limit: 100 }),
       professorApi.getAll({ limit: 100 })
     ]);
 
-    const cData = cRes.data || cRes;
-    courses.value = Array.isArray(cData) ? cData : (cData.items || cData.courses || cData.data || []);
+    if (cResult.status === 'fulfilled') {
+      const cRes = cResult.value;
+      const cData = cRes.data || cRes;
+      courses.value = Array.isArray(cData) ? cData : (cData.items || cData.courses || cData.data || []);
+    }
 
-    const pData = pRes.data || pRes;
-    professors.value = (Array.isArray(pData) ? pData : (pData.items || pData.professors || pData.data || [])).map((p) => ({
-      ...p,
-      name: `${p.name || ''} ${p.surname || ''}`.trim()
-    }));
+    if (pResult.status === 'fulfilled') {
+      const pRes = pResult.value;
+      const pData = pRes.data || pRes;
+      professors.value = (Array.isArray(pData) ? pData : (pData.items || pData.professors || pData.data || [])).map((p) => ({
+        ...p,
+        name: `${p.name || ''} ${p.surname || ''}`.trim()
+      }));
+    }
 
     if (sessionId) {
       const res = await sessionApi.getOne(sessionId);
@@ -195,7 +193,7 @@ const fetchData = async () => {
         course: courseId,
         class: data.class?._id || data.class || null,
         professor: data.professor?._id || data.professor || null,
-        day: toJalaliDisplay(data.day || data.date),
+        day: toJalaliPickerValue(data.day || data.date) || getTodayJalali(),
         startTime: data.startTime || '19:00',
         endTime: data.endTime || '20:30',
         status: data.status || 'scheduled',