feat: Implement the course discovery and catalog page, including filtering, search, and course detail view.

Frontend-Learner/i18n/locales/en.json

@@ -117,7 +117,11 @@
     "foundTotal": "Found Total",
     "items": "items",
     "subtitle": "Choose to learn new skills from our curated quality courses",
-    "searchBtn": "Search"
+    "searchBtn": "Search",
+    "allCategory": "All",
+    "byInstructor": "by",
+    "students": "students",
+    "viewDetails": "View Details"
   },
   "myCourses": {
     "title": "My Courses",

Frontend-Learner/i18n/locales/th.json

@@ -117,7 +117,11 @@
     "foundTotal": "พบทั้งหมด",
     "items": "รายการ",
     "subtitle": "เลือกเรียนรู้ทักษะใหม่ๆ จากหลักสูตรคุณภาพที่คัดสรรมาเพื่อคุณ",
-    "searchBtn": "ค้นหา"
+    "searchBtn": "ค้นหา",
+    "allCategory": "ทั้งหมด",
+    "byInstructor": "โดย",
+    "students": "นักเรียน",
+    "viewDetails": "ดูรายละเอียด"
   },
   "myCourses": {
     "title": "คอร์สของฉัน",

Frontend-Learner/pages/browse/discovery.vue

@@ -180,19 +180,19 @@ onMounted(async () => {
   <div class="bg-[#F8F9FA] dark:bg-[#020617] min-h-screen p-4 md:p-8 transition-colors duration-300">
     <div class="max-w-[1240px] mx-auto">
         <!-- ส่วนของการค้นหาคอร์ส (Catalog View) -->
-        <div v-if="!showDetail" class="bg-white dark:bg-slate-900 rounded-[2rem] p-6 md:p-8 shadow-[0_2px_15px_rgb(0,0,0,0.02)] border border-slate-100 dark:border-slate-800 min-h-[500px] mb-12">
+        <div v-if="!showDetail" class="bg-white dark:!bg-slate-900 rounded-[2rem] p-6 md:p-8 shadow-[0_2px_15px_rgb(0,0,0,0.02)] border border-slate-100 dark:!border-slate-800 min-h-[500px] mb-12 transition-colors">
             
             <!-- ส่วนหัวและการค้นหา -->
             <div class="flex flex-col md:flex-row md:items-center justify-between gap-6 mb-8">
-               <h2 class="text-[1.35rem] font-bold text-slate-900 dark:text-white tracking-tight">คอร์สเรียนทั้งหมด</h2>
+               <h2 class="text-[1.35rem] font-bold text-slate-900 dark:text-[#f8fafc] tracking-tight">{{ $t('discovery.title') }}</h2>
                <div class="flex flex-wrap sm:flex-nowrap items-center gap-3 w-full md:w-auto">
                   <div class="relative w-full sm:w-[260px] flex-1">
                      <q-icon name="search" size="18px" class="absolute left-4 top-1/2 -translate-y-1/2 text-slate-400" />
                      <input v-model="searchQuery" class="w-full bg-slate-100 dark:bg-slate-800 border-none rounded-xl py-2.5 pl-11 pr-4 text-sm font-medium text-slate-700 dark:text-slate-200 placeholder:text-slate-400 focus:ring-2 focus:ring-blue-500/20 outline-none transition-all shadow-sm" :placeholder="$t('discovery.searchPlaceholder')" />
                   </div>
                   <div class="flex items-center gap-2 shrink-0">
-                     <button @click="viewMode = 'grid'" :class="viewMode === 'grid' ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-[#3B6BE8]' : 'bg-white border-slate-200 dark:bg-slate-800 dark:border-slate-700 text-slate-400 hover:bg-slate-50'" class="w-[42px] h-[42px] flex items-center justify-center rounded-xl border transition-colors outline-none"><q-icon name="grid_view" size="20px" /></button>
-                     <button @click="viewMode = 'list'" :class="viewMode === 'list' ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-[#3B6BE8]' : 'bg-white border-slate-200 dark:bg-slate-800 dark:border-slate-700 text-slate-400 hover:bg-slate-50'" class="w-[42px] h-[42px] flex items-center justify-center rounded-xl border transition-colors outline-none"><q-icon name="view_list" size="20px" /></button>
+                     <button @click="viewMode = 'grid'" :class="viewMode === 'grid' ? 'bg-[#E9EFFD] dark:!bg-blue-900/40 text-[#3B6BE8] dark:!text-blue-400 border-[#3B6BE8] dark:!border-blue-400' : 'bg-white border-slate-200 dark:!bg-slate-800 dark:!border-slate-700 text-slate-400 dark:!text-slate-300 hover:bg-slate-50 dark:hover:!bg-slate-700'" class="w-[42px] h-[42px] flex items-center justify-center rounded-xl border transition-colors outline-none"><q-icon name="grid_view" size="20px" /></button>
+                     <button @click="viewMode = 'list'" :class="viewMode === 'list' ? 'bg-[#E9EFFD] dark:!bg-blue-900/40 text-[#3B6BE8] dark:!text-blue-400 border-[#3B6BE8] dark:!border-blue-400' : 'bg-white border-slate-200 dark:!bg-slate-800 dark:!border-slate-700 text-slate-400 dark:!text-slate-300 hover:bg-slate-50 dark:hover:!bg-slate-700'" class="w-[42px] h-[42px] flex items-center justify-center rounded-xl border transition-colors outline-none"><q-icon name="view_list" size="20px" /></button>
                   </div>
                </div>
             </div>
@@ -203,17 +203,17 @@ onMounted(async () => {
                 <div class="flex flex-wrap items-center gap-3 w-full xl:w-auto">
                    <button 
                      @click="activeCategory = 'all'"
-                     :class="activeCategory === 'all' ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-transparent font-bold' : 'bg-white dark:bg-transparent border-slate-200 dark:border-slate-700 text-slate-800 dark:text-slate-300 hover:border-slate-300 font-medium'"
+                     :class="activeCategory === 'all' ? 'bg-[#E9EFFD] dark:!bg-blue-900/40 text-[#3B6BE8] dark:!text-blue-400 border-transparent font-bold' : 'bg-white dark:!bg-slate-800 border-slate-200 dark:!border-slate-700 text-slate-800 dark:!text-slate-200 hover:border-slate-300 dark:hover:!border-slate-600 font-medium'"
                      class="px-5 py-2.5 rounded-full border text-[13px] sm:text-[14px] flex items-center justify-center gap-2 transition-all outline-none">
-                     <q-icon name="check_circle_outline" size="18px" :class="activeCategory === 'all' ? 'text-[#3B6BE8]' : 'text-slate-400'"/> ทั้งหมด
+                     <q-icon name="check_circle_outline" size="18px" :class="activeCategory === 'all' ? 'text-[#3B6BE8] dark:!text-blue-400' : 'text-slate-400 dark:!text-slate-400'"/> {{ $t('discovery.allCategory') }}
                    </button>
                    
                    <button 
                      v-for="cat in categories" :key="cat.id"
                      @click="activeCategory = cat.id"
-                     :class="activeCategory === cat.id ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-transparent font-bold' : 'bg-white dark:bg-transparent border-slate-200 dark:border-slate-700 text-slate-800 dark:text-slate-300 hover:border-slate-300 font-medium'"
-                     class="px-5 py-2.5 rounded-full border text-[13px] sm:text-[14px] flex items-center justify-center gap-2 transition-all outline-none bg-transparent">
-                     <q-icon :name="getCategoryIcon(cat.name)" size="18px" :class="activeCategory === cat.id ? 'text-[#3B6BE8]' : 'text-slate-600 dark:text-slate-400'"/>
+                     :class="activeCategory === cat.id ? 'bg-[#E9EFFD] dark:!bg-blue-900/40 text-[#3B6BE8] dark:!text-blue-400 border-transparent font-bold' : 'bg-white dark:!bg-slate-800 border-slate-200 dark:!border-slate-700 text-slate-800 dark:!text-slate-200 hover:border-slate-300 dark:hover:!border-slate-600 font-medium'"
+                     class="px-5 py-2.5 rounded-full border text-[13px] sm:text-[14px] flex items-center justify-center gap-2 transition-all outline-none">
+                     <q-icon :name="getCategoryIcon(cat.name)" size="18px" :class="activeCategory === cat.id ? 'text-[#3B6BE8] dark:!text-blue-400' : 'text-slate-600 dark:!text-slate-400'"/>
                      {{ getLocalizedText(cat.name) }}
                    </button>
                 </div>
@@ -229,7 +229,7 @@ onMounted(async () => {
             <div v-else-if="filteredCourses.length > 0">
                <!-- GRID VIEW -->
                <div v-if="viewMode === 'grid'" class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
-                  <div v-for="course in filteredCourses" :key="course.id" class="flex flex-col rounded-[1.5rem] bg-white dark:bg-slate-900 border border-slate-100 dark:border-slate-800 overflow-hidden shadow-[0_2px_10px_rgb(0,0,0,0.03)] hover:shadow-[0_8px_30px_rgb(0,0,0,0.08)] transition-all duration-300 group cursor-pointer" @click="selectCourse(course.id)">
+                  <div v-for="course in filteredCourses" :key="course.id" class="flex flex-col rounded-[1.5rem] bg-white dark:!bg-slate-900 border border-slate-100 dark:!border-slate-800 overflow-hidden shadow-[0_2px_10px_rgb(0,0,0,0.03)] hover:shadow-[0_8px_30px_rgb(0,0,0,0.08)] transition-all duration-300 group cursor-pointer" @click="selectCourse(course.id)">
                      <!-- Thumbnail -->
                      <div class="relative w-full aspect-[16/10] bg-slate-100 dark:bg-slate-800 overflow-hidden">
                         <img :src="course.thumbnail_url" class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-500" />
@@ -240,7 +240,7 @@ onMounted(async () => {
                      
                      <!-- Body -->
                      <div class="p-5 flex flex-col flex-1">
-                        <h3 class="font-bold text-slate-900 dark:text-white text-[15px] leading-snug line-clamp-2 mb-2">{{ getLocalizedText(course.title) }}</h3>
+                        <h3 class="font-bold text-slate-900 dark:text-[#f8fafc] text-[15px] leading-snug line-clamp-2 mb-2 group-hover:text-blue-600 dark:group-hover:text-blue-400 transition-colors">{{ getLocalizedText(course.title) }}</h3>
                         
 
                         
@@ -248,8 +248,7 @@ onMounted(async () => {
                             <div class="font-[900] text-[18px]" :class="course.is_free ? 'text-green-500' : 'text-[#2563EB] dark:text-blue-400'">
                                 {{ course.formatted_price }}
                             </div>
-                            <!-- Eye icon circle button -->
-                            <button class="w-[38px] h-[38px] rounded-full bg-slate-50 dark:bg-slate-800 text-slate-400 dark:text-slate-500 flex items-center justify-center hover:bg-blue-50 hover:text-blue-600 dark:hover:bg-slate-700 border border-slate-100 dark:border-slate-700 transition-colors shadow-sm outline-none">
+                            <button class="w-[38px] h-[38px] rounded-full bg-slate-50 dark:!bg-slate-800 text-slate-400 dark:!text-slate-300 flex items-center justify-center hover:bg-blue-50 hover:text-blue-600 dark:hover:!bg-slate-700 dark:hover:!text-blue-400 border border-slate-100 dark:!border-slate-700 transition-colors shadow-sm outline-none">
                                 <q-icon name="visibility" size="18px" />
                             </button>
                         </div>
@@ -259,7 +258,7 @@ onMounted(async () => {
 
                <!-- LIST VIEW -->
                <div v-else class="flex flex-col gap-5">
-                  <div v-for="course in filteredCourses" :key="course.id" class="flex flex-col sm:flex-row rounded-[1.5rem] bg-white dark:bg-slate-900 border border-slate-100 dark:border-slate-800 p-3 sm:p-4 gap-4 sm:gap-6 shadow-sm hover:shadow-[0_8px_30px_rgb(0,0,0,0.06)] transition-all duration-300 group cursor-pointer" @click="selectCourse(course.id)">
+                  <div v-for="course in filteredCourses" :key="course.id" class="flex flex-col sm:flex-row rounded-[1.5rem] bg-white dark:!bg-slate-900 border border-slate-100 dark:!border-slate-800 p-3 sm:p-4 gap-4 sm:gap-6 shadow-sm hover:shadow-[0_8px_30px_rgb(0,0,0,0.06)] transition-all duration-300 group cursor-pointer" @click="selectCourse(course.id)">
                      <div class="relative w-full sm:w-[260px] aspect-[16/10] sm:aspect-auto sm:h-[160px] rounded-[1rem] bg-slate-100 dark:bg-slate-800 overflow-hidden shrink-0">
                         <img :src="course.thumbnail_url" class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-500" />
                         <div v-if="course.category_name" class="absolute top-3 left-3 bg-white/95 dark:bg-slate-900/95 backdrop-blur-md text-[#3B6BE8] dark:text-blue-400 font-bold text-[10px] px-3.5 py-1.5 rounded-full shadow-sm" style="border-radius: 9999px; padding: 4px 12px;">
@@ -268,15 +267,15 @@ onMounted(async () => {
                      </div>
                      <div class="flex flex-col flex-1 py-1">
                         <div class="flex-1">
-                            <h3 class="font-bold text-slate-900 dark:text-white text-[16px] md:text-[18px] leading-snug line-clamp-2 md:line-clamp-1 mb-2">{{ getLocalizedText(course.title) }}</h3>
+                            <h3 class="font-bold text-slate-900 dark:text-[#f8fafc] text-[16px] md:text-[18px] leading-snug line-clamp-2 md:line-clamp-1 mb-2 group-hover:text-blue-600 dark:group-hover:text-blue-400 transition-colors">{{ getLocalizedText(course.title) }}</h3>
 
                         </div>
                         <div class="mt-4 sm:mt-auto flex items-center justify-between">
                             <div class="font-[900] text-[20px]" :class="course.is_free ? 'text-green-500' : 'text-[#2563EB] dark:text-blue-400'">
                                 {{ course.formatted_price }}
                             </div>
-                            <button class="px-6 py-2 rounded-full bg-slate-50 text-slate-600 dark:bg-slate-800 dark:text-slate-300 font-bold text-[13px] flex items-center gap-2 hover:bg-blue-50 border border-slate-100 dark:border-slate-700 hover:text-blue-600 transition-colors">
-                                <q-icon name="visibility" size="16px" /> ดูรายละเอียด
+                            <button class="px-6 py-2 rounded-full bg-slate-50 text-slate-600 dark:!bg-slate-800 dark:!text-slate-300 font-bold text-[13px] flex items-center gap-2 hover:bg-blue-50 hover:text-blue-600 dark:hover:!bg-slate-700 dark:hover:!text-blue-400 border border-slate-100 dark:!border-slate-700 transition-colors">
+                                <q-icon name="visibility" size="16px" /> {{ $t('discovery.viewDetails') }}
                             </button>
                         </div>
                      </div>
@@ -290,9 +289,9 @@ onMounted(async () => {
             </div>
 
             <!-- Empty State -->
-            <div v-else class="flex flex-col items-center justify-center py-20 bg-white dark:bg-slate-900/40 rounded-3xl border border-dashed border-slate-200 dark:border-slate-800">
+            <div v-else class="flex flex-col items-center justify-center py-20 bg-white dark:!bg-slate-900/50 rounded-3xl border border-dashed border-slate-200 dark:!border-slate-800">
                <q-icon name="search_off" size="64px" class="text-slate-300 dark:text-slate-600 mb-4" />
-               <h3 class="text-xl font-bold text-slate-900 dark:text-white mb-2">{{ $t("discovery.emptyTitle") }}</h3>
+               <h3 class="text-xl font-bold text-slate-900 dark:!text-white mb-2">{{ $t("discovery.emptyTitle") }}</h3>
                <p class="text-slate-500 dark:text-slate-400 text-center max-w-md">{{ $t("discovery.emptyDesc") }}</p>
                <button class="mt-6 font-bold text-blue-600 hover:text-blue-700 transition-colors" @click="searchQuery = ''; activeCategory = 'all';">
                   {{ $t("discovery.showAll") }}

Frontend-Learner/pages/browse/index.vue

@@ -13,6 +13,7 @@ useHead({
   title: 'คอร์สทั้งหมด - E-Learning System'
 })
 
+const { t } = useI18n()
 const searchQuery = ref('')
 const { fetchCourses } = useCourse()
 const { fetchCategories, categories } = useCategory()
@@ -131,11 +132,11 @@ const viewMode = ref<'grid' | 'list'>('grid')
             
             <!-- ส่วนหัวและการค้นหา -->
             <div class="flex flex-col md:flex-row md:items-center justify-between gap-6 mb-8">
-               <h2 class="text-[1.35rem] font-bold text-slate-900 dark:text-white tracking-tight">คอร์สเรียนทั้งหมด</h2>
+               <h2 class="text-[1.35rem] font-bold text-slate-900 dark:text-white tracking-tight">{{ $t('discovery.title') }}</h2>
                <div class="flex flex-wrap sm:flex-nowrap items-center gap-3 w-full md:w-auto">
                   <div class="relative w-full sm:w-[260px] flex-1">
                      <q-icon name="search" size="18px" class="absolute left-4 top-1/2 -translate-y-1/2 text-slate-400 group-focus-within:text-[#3B6BE8]" />
-                     <input v-model="searchQuery" class="w-full bg-slate-100 dark:bg-slate-800 border-none rounded-xl py-2.5 pl-11 pr-4 text-sm font-medium text-slate-700 dark:text-slate-200 placeholder:text-slate-400 focus:ring-2 focus:ring-blue-500/20 outline-none transition-all shadow-sm" placeholder="ค้นหาคอร์ส..." />
+                     <input v-model="searchQuery" class="w-full bg-slate-100 dark:bg-slate-800 border-none rounded-xl py-2.5 pl-11 pr-4 text-sm font-medium text-slate-700 dark:text-slate-200 placeholder:text-slate-400 focus:ring-2 focus:ring-blue-500/20 outline-none transition-all shadow-sm" :placeholder="$t('discovery.searchPlaceholder')" />
                   </div>
                   <div class="flex items-center gap-2 shrink-0">
                      <button @click="viewMode = 'grid'" :class="viewMode === 'grid' ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-[#3B6BE8]' : 'bg-white border-slate-200 dark:bg-slate-800 dark:border-slate-700 text-slate-400 hover:bg-slate-50'" class="w-[42px] h-[42px] flex items-center justify-center rounded-xl border transition-colors outline-none"><q-icon name="grid_view" size="20px" /></button>
@@ -151,7 +152,7 @@ const viewMode = ref<'grid' | 'list'>('grid')
                      @click="selectCategory('all')"
                      :class="selectedCategory === 'all' ? 'bg-[#E9EFFD] dark:bg-blue-900/40 text-[#3B6BE8] border-transparent font-bold' : 'bg-white dark:bg-transparent border-slate-200 dark:border-slate-700 text-slate-800 dark:text-slate-300 hover:border-slate-300 font-medium'"
                      class="px-5 py-2.5 rounded-full border text-[13px] sm:text-[14px] flex items-center justify-center gap-2 transition-all outline-none">
-                     <q-icon name="check_circle_outline" size="18px" :class="selectedCategory === 'all' ? 'text-[#3B6BE8]' : 'text-slate-400'"/> ทั้งหมด
+                     <q-icon name="check_circle_outline" size="18px" :class="selectedCategory === 'all' ? 'text-[#3B6BE8]' : 'text-slate-400'"/> {{ $t('discovery.allCategory') }}
                    </button>
                    
                    <button 
@@ -187,13 +188,13 @@ const viewMode = ref<'grid' | 'list'>('grid')
                         <h3 class="font-bold text-slate-900 dark:text-white text-[15px] leading-snug line-clamp-2 mb-2 group-hover:text-blue-600 transition-colors">{{ getLocalizedText(course.title) }}</h3>
                         
                         <div class="flex items-center gap-2 mb-4">
-                           <span class="text-[12px] text-slate-500 font-medium">โดย {{ course.instructor_name }}</span>
+                           <span class="text-[12px] text-slate-500 font-medium">{{ $t('discovery.byInstructor') }} {{ course.instructor_name }}</span>
                         </div>
 
                         <div class="flex items-center gap-1.5 mb-5">
                              <q-icon name="star" class="text-amber-400" size="16px" />
                              <span class="text-[13px] font-bold text-slate-800 dark:text-slate-200">{{ course.rating }}</span>
-                             <span class="text-[12px] text-slate-400">({{ course.reviews_count.toLocaleString() }} นักเรียน)</span>
+                             <span class="text-[12px] text-slate-400">({{ course.reviews_count.toLocaleString() }} {{ $t('discovery.students') }})</span>
                         </div>
                         
                         <div class="mt-auto flex items-center justify-between">
@@ -222,12 +223,12 @@ const viewMode = ref<'grid' | 'list'>('grid')
                         <div class="flex-1">
                             <h3 class="font-bold text-slate-900 dark:text-white text-[16px] md:text-[18px] leading-snug line-clamp-2 md:line-clamp-1 mb-2 group-hover:text-blue-600 transition-colors">{{ getLocalizedText(course.title) }}</h3>
                             <div class="flex items-center gap-2 mb-3">
-                               <span class="text-[13px] text-slate-500 font-medium">โดย {{ course.instructor_name }}</span>
+                               <span class="text-[13px] text-slate-500 font-medium">{{ $t('discovery.byInstructor') }} {{ course.instructor_name }}</span>
                             </div>
                             <div class="flex items-center gap-1.5 mb-2">
                                  <q-icon name="star" class="text-amber-400" size="16px" />
                                  <span class="text-[13px] font-bold text-slate-800 dark:text-slate-200">{{ course.rating }}</span>
-                                 <span class="text-[12px] text-slate-400">({{ course.reviews_count.toLocaleString() }} นักเรียน)</span>
+                                 <span class="text-[12px] text-slate-400">({{ course.reviews_count.toLocaleString() }} {{ $t('discovery.students') }})</span>
                             </div>
                         </div>
                         <div class="mt-4 sm:mt-auto flex items-center justify-between">
@@ -235,7 +236,7 @@ const viewMode = ref<'grid' | 'list'>('grid')
                                 {{ course.formatted_price }}
                             </div>
                             <button class="px-6 py-2 rounded-full bg-slate-50 text-slate-600 dark:bg-slate-800 dark:text-slate-300 font-bold text-[13px] flex items-center gap-2 hover:bg-blue-50 border border-slate-100 dark:border-slate-700 hover:text-blue-600 transition-colors">
-                                <q-icon name="visibility" size="16px" /> ดูรายละเอียด
+                                <q-icon name="visibility" size="16px" /> {{ $t('discovery.viewDetails') }}
                             </button>
                         </div>
                      </div>
@@ -246,10 +247,10 @@ const viewMode = ref<'grid' | 'list'>('grid')
             <!-- กรณีไม่พบข้อมูลคอร์ส (Empty State) -->
             <div v-else class="flex flex-col items-center justify-center py-20 bg-white dark:bg-slate-900/40 rounded-3xl border border-dashed border-slate-200 dark:border-slate-800">
                <q-icon name="search_off" size="64px" class="text-slate-300 dark:text-slate-600 mb-4" />
-               <h3 class="text-xl font-bold text-slate-900 dark:text-white mb-2">{{ searchQuery ? 'ไม่พบคอร์สที่คุณค้นหา' : 'ไม่มีคอร์สในหมวดหมู่นี้' }}</h3>
-               <p class="text-slate-500 dark:text-slate-400 text-center max-w-md">ลองใช้คำค้นหาอื่น หรือเลือกหมวดหมู่อื่นเพื่อดูคอร์สที่เรามีให้บริการ</p>
+               <h3 class="text-xl font-bold text-slate-900 dark:text-white mb-2">{{ $t('discovery.emptyTitle') }}</h3>
+               <p class="text-slate-500 dark:text-slate-400 text-center max-w-md">{{ $t('discovery.emptyDesc') }}</p>
                <button class="mt-6 font-bold text-blue-600 hover:text-blue-700 transition-colors" @click="searchQuery = ''; selectedCategory = 'all';">
-                  แสดงคอร์สทั้งหมด
+                  {{ $t('discovery.showAll') }}
                </button>
             </div>
         </div>

frontend_management/components/course/AnnouncementsTab.vue

@@ -343,10 +343,12 @@ const save = async () => {
   saving.value = true;
   try {
     // Convert local datetime to ISO string to preserve timezone
-    const payload = { ...form.value };
+    const payload: any = { ...form.value };
     if (payload.published_at) {
       const localDate = new Date(payload.published_at.replace(' ', 'T'));
       payload.published_at = localDate.toISOString();
+    } else {
+      delete payload.published_at;
     }
 
     if (editing.value) {
@@ -447,10 +449,7 @@ const deleteAttachment = async (attachmentId: number) => {
   }
 };
 
-const formatDate = (dateStr: string) => {
-  const date = new Date(dateStr);
-  return date.toLocaleDateString('th-TH', { day: 'numeric', month: 'short', year: 'numeric' });
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 const formatFileSize = (bytes: number) => {
   if (bytes < 1024) return bytes + ' B';

frontend_management/components/course/ApprovalHistoryTab.vue

@@ -20,7 +20,7 @@
           v-for="item in history"
           :key="item.id"
           :title="titleMap[item.action] || item.action"
-          :subtitle="formatDate(item.created_at)"
+          :subtitle="formatDateTime(item.created_at)"
           :color="colorMap[item.action] || 'grey'"
           :icon="iconMap[item.action] || 'circle'"
         >
@@ -91,12 +91,7 @@ const getActorName = (item: ApprovalHistory) => {
   return actor.username || actor.email || 'Unknown User';
 };
 
-const formatDate = (dateString: string) => {
-  return new Date(dateString).toLocaleString('th-TH', {
-    dateStyle: 'medium',
-    timeStyle: 'short'
-  });
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 onMounted(() => {
   fetchHistory();

frontend_management/components/course/QuizResultsTab.vue

@@ -450,14 +450,7 @@ const openStudentDetail = async (studentId: number) => {
 
 const formatDate = (dateStr: string) => {
   if (!dateStr) return '-';
-  const date = new Date(dateStr);
-  return date.toLocaleDateString('th-TH', { 
-    day: 'numeric', 
-    month: 'short', 
-    year: 'numeric',
-    hour: '2-digit',
-    minute: '2-digit'
-  });
+  return formatDateTime(dateStr);
 };
 
 // Lifecycle

frontend_management/components/course/StudentsTab.vue

@@ -404,8 +404,7 @@ const getStudentStatusLabel = (status: string) => {
 };
 
 const formatEnrollDate = (dateStr: string) => {
-  const date = new Date(dateStr);
-  return date.toLocaleDateString('th-TH', { day: 'numeric', month: 'short', year: 'numeric' });
+  return formatDate(dateStr);
 };
 
 const getLessonTypeIcon = (type: string) => {
@@ -436,8 +435,7 @@ const formatVideoTime = (seconds: number) => {
 
 const formatCompletedDate = (dateStr: string | null) => {
   if (!dateStr) return '-';
-  const date = new Date(dateStr);
-  return date.toLocaleDateString('th-TH', { day: 'numeric', month: 'short' });
+  return formatDate(dateStr);
 };
 
 // Fetch on mount

frontend_management/pages/admin/audit-log/index.vue

@@ -136,7 +136,7 @@
       <!-- Created At Custom Column -->
       <template v-slot:body-cell-created_at="props">
         <q-td :props="props">
-            {{ formatDate(props.value) }}
+            {{ formatDateTime(props.value) }}
         </q-td>
       </template>
 
@@ -169,7 +169,7 @@
             </div>
              <div>
               <div class="text-subtitle2 text-grey">Date & Time</div>
-              <div>{{ formatDate(selectedLog.created_at) }}</div>
+              <div>{{ formatDateTime(selectedLog.created_at) }}</div>
             </div>
 
             <div>
@@ -241,7 +241,7 @@
 </template>
 
 <script setup lang="ts">
-import { useQuasar } from 'quasar';
+import { useQuasar, type QTableColumn } from 'quasar';
 import { adminService, type AuditLog, type AuditLogStats } from '~/services/admin.service';
 
 definePageMeta({
@@ -284,15 +284,15 @@ const pagination = ref({
 });
 
 // Table setup
-const columns = [
-  { name: 'id', label: 'ID', field: 'id', align: 'left', style: 'width: 60px' },
-  { name: 'action', label: 'Action', field: 'action', align: 'left' },
-  { name: 'user', label: 'User', field: 'user', align: 'left' },
-  { name: 'entity_type', label: 'Entity Type', field: 'entity_type', align: 'left' },
-  { name: 'entity_id', label: 'Entity ID', field: 'entity_id', align: 'left' },
+const columns: QTableColumn[] = [
+  { name: 'id', label: 'ID', field: 'id', align: 'left' as const, style: 'width: 60px' },
+  { name: 'action', label: 'Action', field: 'action', align: 'left' as const },
+  { name: 'user', label: 'User', field: 'user', align: 'left' as const },
+  { name: 'entity_type', label: 'Entity Type', field: 'entity_type', align: 'left' as const },
+  { name: 'entity_id', label: 'Entity ID', field: 'entity_id', align: 'left' as const },
 
-  { name: 'created_at', label: 'Date & Time', field: 'created_at', align: 'left' },
-  { name: 'actions', label: '', field: 'actions', align: 'center' }
+  { name: 'created_at', label: 'Date & Time', field: 'created_at', align: 'left' as const },
+  { name: 'actions', label: '', field: 'actions', align: 'center' as const }
 ];
 
 // Actions options (for filtering)
@@ -416,10 +416,7 @@ const tryFormatJson = (str: string | null) => {
     }
 };
 
-const formatDate = (date: string) => {
-  if (!date) return '-';
-  return new Date(date).toLocaleString('th-TH');
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 const ACTION_COLOR_MAP: Record<string, string> = {
   DELETE: 'negative',
@@ -453,10 +450,12 @@ onMounted(() => {
 :deep(input[type=number]::-webkit-outer-spin-button),
 :deep(input[type=number]::-webkit-inner-spin-button) {
   -webkit-appearance: none;
+  appearance: none;
   margin: 0;
 }
 
 :deep(input[type=number]) {
   -moz-appearance: textfield;
+  appearance: textfield;
 }
 </style>

frontend_management/pages/admin/categories/index.vue

@@ -233,13 +233,7 @@ const fetchCategories = async () => {
   }
 };
 
-const formatDate = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    year: 'numeric',
-    month: '2-digit',
-    day: '2-digit'
-  });
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 const resetForm = () => {
   form.value = {

frontend_management/pages/admin/courses/[id].vue

@@ -356,23 +356,7 @@ const getActionColor = (action: string) => {
   return colors[action] || 'grey';
 };
 
-const formatDate = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit'
-  });
-};
-
-const formatDateTime = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit',
-    hour: '2-digit',
-    minute: '2-digit'
-  });
-};
+// Date formatting functions are auto-imported from utils/date.ts
 
 const confirmApprove = () => {
   if (!course.value) return;

frontend_management/pages/admin/courses/pending.vue

@@ -135,7 +135,7 @@
                 <div v-if="course.latest_submission" class="mt-3 text-sm text-gray-500">
                   <q-icon name="send" size="16px" class="mr-1" />
                   ส่งโดย {{ course.latest_submission.submitter.username }} 
-                  เมื่อ {{ formatDate(course.latest_submission.created_at) }}
+                  เมื่อ {{ formatDateTime(course.latest_submission.created_at) }}
                 </div>
               </div>
 
@@ -203,7 +203,7 @@
         <template v-slot:body-cell-submitted_at="props">
           <q-td :props="props">
             <div v-if="props.row.latest_submission">
-               <div class="text-xs">{{ formatDate(props.row.latest_submission.created_at) }}</div>
+               <div class="text-xs">{{ formatDateTime(props.row.latest_submission.created_at) }}</div>
                <div class="text-xs text-gray-500">โดย {{ props.row.latest_submission.submitter.username }}</div>
             </div>
             <span v-else>-</span>
@@ -298,15 +298,7 @@ const getPrimaryInstructor = (course: PendingCourse) => {
   return primary?.user.username || course.creator.username;
 };
 
-const formatDate = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit',
-    hour: '2-digit',
-    minute: '2-digit'
-  });
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 const viewCourse = (course: PendingCourse) => {
   router.push(`/admin/courses/${course.id}`);

frontend_management/pages/admin/index.vue

@@ -136,7 +136,7 @@
                     <p class="text-xs text-gray-500 truncate">โดย {{ course.creator.username }}</p>
                 </div>
                 <div class="text-xs text-gray-400 whitespace-nowrap">
-                    {{ formatDate(course.created_at) }}
+                    {{ formatDateStr(course.created_at) }}
                 </div>
             </div>
         </div>
@@ -170,7 +170,7 @@
                         <span class="text-gray-600 mx-1">{{ formatAction(log.action) }}</span>
                         <span class="text-primary-700 font-medium">{{ log.entity_type }} #{{ log.entity_id }}</span>
                     </p>
-                    <p class="text-xs text-gray-400 mt-0.5">{{ formatDate(log.created_at) }}</p>
+                    <p class="text-xs text-gray-400 mt-0.5">{{ formatDateStr(log.created_at) }}</p>
                 </div>
             </div>
         </div>
@@ -254,14 +254,7 @@ const fetchDashboardData = async () => {
 };
 
 // Utilities
-const formatDate = (date: string) => {
-    return new Date(date).toLocaleDateString('th-TH', {
-        day: 'numeric',
-        month: 'short',
-        hour: '2-digit',
-        minute: '2-digit'
-    });
-};
+const formatDateStr = (date: string) => formatDateTime(date);
 
 const getActionIcon = (action: string) => {
     if (action.includes('create')) return 'add_circle';

frontend_management/pages/admin/profile/index.vue

@@ -301,7 +301,7 @@
 
 <script setup lang="ts">
 import { useQuasar } from 'quasar';
-import { userService, type UserProfileResponse } from '~/services/user.service';
+import { userService } from '~/services/user.service';
 import { authService } from '~/services/auth.service';
 
 definePageMeta({
@@ -368,20 +368,8 @@ const getRoleLabel = (role: string) => {
   return labels[role] || role;
 };
 
-const formatDate = (date: string, includeTime = true) => {
-  const options: Intl.DateTimeFormatOptions = {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit'
-  };
-
-  if (includeTime) {
-    options.hour = '2-digit';
-    options.minute = '2-digit';
-  }
-
-  return new Date(date).toLocaleDateString('th-TH', options);
-};
+// Use formatting utilities from utils/date.ts
+// Format functions are auto-imported
 
 // Avatar upload
 const avatarInputRef = ref<HTMLInputElement | null>(null);
@@ -425,8 +413,8 @@ const handleAvatarUpload = async (event: Event) => {
   try {
     const response = await userService.uploadAvatar(file);
     
-    // Re-fetch profile to get presigned URL from backend
-    await fetchProfile();
+    // Force refresh profile cache and update local state
+    await fetchProfile(true);
     
     $q.notify({
       type: 'positive',
@@ -457,8 +445,8 @@ const handleUpdateProfile = async () => {
       phone: editForm.value.phone || null
     });
     
-    // Refresh profile data from API
-    await fetchProfile();
+    // Force refresh profile cache and update local state
+    await fetchProfile(true);
     
     $q.notify({
       type: 'positive',
@@ -546,13 +534,9 @@ watch(showEditModal, (newVal) => {
   }
 });
 
-// Fetch profile from API
-const fetchProfile = async () => {
-  loading.value = true;
-  try {
-    const data = await userService.getProfile();
-    
-    // Map API response to profile
+// Helper to map fullProfile to local profile state
+const mapProfileData = (data: typeof authStore.fullProfile) => {
+  if (!data) return;
   profile.value = {
     fullName: `${data.profile.first_name} ${data.profile.last_name}`,
     email: data.email,
@@ -565,6 +549,14 @@ const fetchProfile = async () => {
     avatarUrl: data.profile.avatar_url,
     createdAt: data.created_at
   };
+};
+
+// Fetch profile — uses auth store cache, force=true to refresh
+const fetchProfile = async (force = false) => {
+  loading.value = true;
+  try {
+    await authStore.fetchUserProfile(force);
+    mapProfileData(authStore.fullProfile);
   } catch (error) {
     $q.notify({
       type: 'negative',
@@ -576,7 +568,7 @@ const fetchProfile = async () => {
   }
 };
 
-// Load profile on mount
+// Load profile on mount (uses cache if available)
 onMounted(() => {
   fetchProfile();
 });

frontend_management/pages/admin/users/index.vue

@@ -324,13 +324,7 @@ const getRoleBadgeColor = (roleCode: string) => {
   return colors[roleCode] || 'grey';
 };
 
-const formatDate = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit'
-  });
-};
+// Date formatting function is auto-imported from utils/date.ts
 
 const viewUser = (user: AdminUserResponse) => {
   selectedUser.value = user;

frontend_management/pages/instructor/courses/index.vue

@@ -449,13 +449,7 @@ const getStatusLabel = (status: string) => {
   return labels[status] || status;
 };
 
-const formatDate = (date: string) => {
-  return new Date(date).toLocaleDateString('th-TH', {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit'
-  });
-};
+// Date formatting function is auto-imported from utils/date.ts
 // Clone Dialog
 const cloneDialog = ref(false);
 const cloneLoading = ref(false);

frontend_management/pages/instructor/index.vue

@@ -64,21 +64,21 @@
     <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
       <q-card class="p-6 text-center">
         <div class="text-4xl font-bold text-primary-600 mb-2">
-          {{ instructorStore.stats.totalCourses }}
+          {{ stats.totalCourses }}
         </div>
         <div class="text-gray-600">หลักสูตรทั้งหมด</div>
       </q-card>
 
       <q-card class="p-6 text-center">
         <div class="text-4xl font-bold text-secondary-600 mb-2">
-          {{ instructorStore.stats.totalStudents }}
+          {{ stats.totalStudents }}
         </div>
         <div class="text-gray-600">ผู้เรียนทั้งหมด</div>
       </q-card>
 
       <q-card class="p-6 text-center">
         <div class="text-4xl font-bold text-accent-600 mb-2">
-          {{ instructorStore.stats.completedStudents }}
+          {{ stats.completedStudents }}
         </div>
         <div class="text-gray-600">เรียนจบแล้ว</div>
       </q-card>
@@ -96,28 +96,28 @@
                 <q-icon name="check_circle" color="green" size="24px" />
                 <span class="font-medium text-gray-700">เผยแพร่แล้ว</span>
               </div>
-              <span class="text-2xl font-bold text-green-600">{{ instructorStore.courseStatusCounts.approved }}</span>
+              <span class="text-2xl font-bold text-green-600">{{ courseStatusCounts.approved }}</span>
             </div>
             <div class="flex items-center justify-between p-3 bg-orange-50 rounded-lg">
               <div class="flex items-center gap-3">
                 <q-icon name="hourglass_empty" color="orange" size="24px" />
                 <span class="font-medium text-gray-700">รอตรวจสอบ</span>
               </div>
-              <span class="text-2xl font-bold text-orange-600">{{ instructorStore.courseStatusCounts.pending }}</span>
+              <span class="text-2xl font-bold text-orange-600">{{ courseStatusCounts.pending }}</span>
             </div>
             <div class="flex items-center justify-between p-3 bg-gray-50 rounded-lg">
               <div class="flex items-center gap-3">
                 <q-icon name="edit_note" color="grey" size="24px" />
                 <span class="font-medium text-gray-700">แบบร่าง</span>
               </div>
-              <span class="text-2xl font-bold text-gray-600">{{ instructorStore.courseStatusCounts.draft }}</span>
+              <span class="text-2xl font-bold text-gray-600">{{ courseStatusCounts.draft }}</span>
             </div>
-            <div v-if="instructorStore.courseStatusCounts.rejected > 0" class="flex items-center justify-between p-3 bg-red-50 rounded-lg">
+            <div v-if="courseStatusCounts.rejected > 0" class="flex items-center justify-between p-3 bg-red-50 rounded-lg">
               <div class="flex items-center gap-3">
                 <q-icon name="cancel" color="red" size="24px" />
                 <span class="font-medium text-gray-700">ถูกปฏิเสธ</span>
               </div>
-              <span class="text-2xl font-bold text-red-600">{{ instructorStore.courseStatusCounts.rejected }}</span>
+              <span class="text-2xl font-bold text-red-600">{{ courseStatusCounts.rejected }}</span>
             </div>
           </div>
         </q-card-section>
@@ -138,7 +138,7 @@
 
           <div class="space-y-4">
             <q-card
-              v-for="course in instructorStore.recentCourses"
+              v-for="course in recentCourses"
               :key="course.id"
               class="cursor-pointer hover:shadow-md transition"
               @click="router.push(`/instructor/courses/${course.id}`)"
@@ -172,6 +172,7 @@
 
 <script setup lang="ts">
 import { useQuasar } from 'quasar';
+import { instructorService } from '~/services/instructor.service';
 
 definePageMeta({
   layout: 'instructor',
@@ -179,10 +180,32 @@ definePageMeta({
 });
 
 const authStore = useAuthStore();
-const instructorStore = useInstructorStore();
 const router = useRouter();
 const $q = useQuasar();
 
+// Dashboard local state
+const stats = ref({
+  totalCourses: 0,
+  totalStudents: 0,
+  completedStudents: 0
+});
+
+const courseStatusCounts = ref({
+  approved: 0,
+  pending: 0,
+  draft: 0,
+  rejected: 0
+});
+
+const recentCourses = ref<{
+  id: number;
+  title: string;
+  students: number;
+  lessons: number;
+  icon: string;
+  thumbnail: string | null;
+}[]>([]);
+
 // Navigation functions
 const goToProfile = () => {
   router.push('/instructor/profile');
@@ -212,9 +235,41 @@ const handleLogout = () => {
   });
 };
 
-// Fetch dashboard data on mount
+// Fetch dashboard data
+const fetchDashboardData = async () => {
+  try {
+    const [courses, studentStats] = await Promise.all([
+      instructorService.getCourses(),
+      instructorService.getMyStudentsStats()
+    ]);
+
+    stats.value.totalCourses = courses.length;
+    stats.value.totalStudents = studentStats.total_students;
+    stats.value.completedStudents = studentStats.total_completed;
+
+    courseStatusCounts.value = {
+      approved: courses.filter(c => c.status === 'APPROVED').length,
+      pending: courses.filter(c => c.status === 'PENDING').length,
+      draft: courses.filter(c => c.status === 'DRAFT').length,
+      rejected: courses.filter(c => c.status === 'REJECTED').length
+    };
+
+    recentCourses.value = courses.slice(0, 3).map(course => ({
+      id: course.id,
+      title: course.title.th,
+      students: 0,
+      lessons: 0,
+      icon: 'book',
+      thumbnail: course.thumbnail_url || null
+    }));
+  } catch (error) {
+    console.error('Failed to fetch dashboard data:', error);
+  }
+};
+
+// Fetch data on mount
 onMounted(() => {
-  instructorStore.fetchDashboardData();
   authStore.fetchUserProfile();
+  fetchDashboardData();
 });
 </script>

frontend_management/pages/instructor/profile/index.vue

@@ -301,7 +301,7 @@
 
 <script setup lang="ts">
 import { useQuasar } from 'quasar';
-import { userService, type UserProfileResponse } from '~/services/user.service';
+import { userService } from '~/services/user.service';
 import { authService } from '~/services/auth.service';
 
 definePageMeta({
@@ -368,20 +368,8 @@ const getRoleLabel = (role: string) => {
   return labels[role] || role;
 };
 
-const formatDate = (date: string, includeTime = true) => {
-  const options: Intl.DateTimeFormatOptions = {
-    day: 'numeric',
-    month: 'short',
-    year: '2-digit'
-  };
-
-  if (includeTime) {
-    options.hour = '2-digit';
-    options.minute = '2-digit';
-  }
-
-  return new Date(date).toLocaleDateString('th-TH', options);
-};
+// Use formatting utilities from utils/date.ts
+// Format functions are auto-imported
 
 // Avatar upload
 const avatarInputRef = ref<HTMLInputElement | null>(null);
@@ -425,8 +413,8 @@ const handleAvatarUpload = async (event: Event) => {
   try {
     const response = await userService.uploadAvatar(file);
     
-    // Re-fetch profile to get presigned URL from backend
-    await fetchProfile();
+    // Force refresh profile cache and update local state
+    await fetchProfile(true);
     
     $q.notify({
       type: 'positive',
@@ -457,8 +445,8 @@ const handleUpdateProfile = async () => {
       phone: editForm.value.phone || null
     });
     
-    // Refresh profile data from API
-    await fetchProfile();
+    // Force refresh profile cache and update local state
+    await fetchProfile(true);
     
     $q.notify({
       type: 'positive',
@@ -546,13 +534,9 @@ watch(showEditModal, (newVal) => {
   }
 });
 
-// Fetch profile from API
-const fetchProfile = async () => {
-  loading.value = true;
-  try {
-    const data = await userService.getProfile();
-    
-    // Map API response to profile
+// Helper to map fullProfile to local profile state
+const mapProfileData = (data: typeof authStore.fullProfile) => {
+  if (!data) return;
   profile.value = {
     fullName: `${data.profile.first_name} ${data.profile.last_name}`,
     email: data.email,
@@ -565,6 +549,14 @@ const fetchProfile = async () => {
     avatarUrl: data.profile.avatar_url,
     createdAt: data.created_at
   };
+};
+
+// Fetch profile — uses auth store cache, force=true to refresh
+const fetchProfile = async (force = false) => {
+  loading.value = true;
+  try {
+    await authStore.fetchUserProfile(force);
+    mapProfileData(authStore.fullProfile);
   } catch (error) {
     $q.notify({
       type: 'negative',
@@ -576,7 +568,7 @@ const fetchProfile = async () => {
   }
 };
 
-// Load profile on mount
+// Load profile on mount (uses cache if available)
 onMounted(() => {
   fetchProfile();
 });

frontend_management/playwright.config.ts

@@ -34,11 +34,11 @@ export default defineConfig({
   use: {
     baseURL: 'http://localhost:3000/',// ปรับเป็น URL ที่ทดสอบ
     headless: false,                  // false = เห็น browser ขณะรัน
-    screenshot: 'only-on-failure',   // เก็บ screenshot เมื่อ fail
+    screenshot: 'on',   // เก็บ screenshot 
     trace: 'retain-on-failure',       // เก็บ trace เพื่อดีบักเมื่อ fail
-    // launchOptions: {
-    //   slowMo: 1000,
-    // },          // ช้าลง 10 วินาที
+    launchOptions: {
+      slowMo: 500,
+    },          // ช้าลง 10 วินาที
   },
 
   /* ──── Setup Projects: login ครั้งเดียว แล้ว save cookies ──── */

frontend_management/services/instructor.service.ts

@@ -610,6 +610,19 @@ export const instructorService = {
             { method: 'DELETE' }
         );
     },
+    async getMyStudentsStats(): Promise<{ total_students: number; total_completed: number }> {
+        const response = await authRequest<{
+            code: number;
+            message: string;
+            total_students: number;
+            total_completed: number;
+        }>('/api/instructors/courses/my-students');
+        return {
+            total_students: response.total_students,
+            total_completed: response.total_completed
+        };
+    },
+
     async getCourseApprovalHistory(courseId: number): Promise<ApprovalHistory[]> {
         const response = await authRequest<{
             code: number;

frontend_management/stores/auth.ts

@@ -1,6 +1,6 @@
 import { defineStore } from 'pinia';
 import { authService } from '~/services/auth.service';
-import { userService } from '~/services/user.service';
+import { userService, type UserProfileResponse } from '~/services/user.service';
 
 interface User {
     id: string;
@@ -15,7 +15,8 @@ export const useAuthStore = defineStore('auth', {
     state: () => ({
         user: null as User | null,
         token: null as string | null,
-        isAuthenticated: false
+        isAuthenticated: false,
+        fullProfile: null as UserProfileResponse | null
     }),
 
     getters: {
@@ -61,6 +62,7 @@ export const useAuthStore = defineStore('auth', {
             this.user = null;
             this.token = null;
             this.isAuthenticated = false;
+            this.fullProfile = null;
 
             // Clear cookies
             const tokenCookie = useCookie('token');
@@ -126,10 +128,16 @@ export const useAuthStore = defineStore('auth', {
             }
         },
 
-        async fetchUserProfile() {
+        async fetchUserProfile(force = false) {
+            // Skip if already cached (unless force refresh)
+            if (!force && this.fullProfile) return;
+
             try {
                 const response = await userService.getProfile();
 
+                // Cache raw API response
+                this.fullProfile = response;
+
                 // Update local user state
                 this.user = {
                     id: response.id.toString(),

frontend_management/stores/instructor.ts

@@ -1,122 +0,0 @@
-import { defineStore } from 'pinia';
-import { instructorService } from '~/services/instructor.service';
-
-interface Course {
-    id: number;
-    title: string;
-    students: number;
-    lessons: number;
-    icon: string;
-    thumbnail: string | null;
-}
-
-interface DashboardStats {
-    totalCourses: number;
-    totalStudents: number;
-    completedStudents: number;
-}
-
-interface CourseStatusCounts {
-    approved: number;
-    pending: number;
-    draft: number;
-    rejected: number;
-}
-
-export const useInstructorStore = defineStore('instructor', {
-    state: () => ({
-        stats: {
-            totalCourses: 0,
-            totalStudents: 0,
-            completedStudents: 0
-        } as DashboardStats,
-
-        courseStatusCounts: {
-            approved: 0,
-            pending: 0,
-            draft: 0,
-            rejected: 0
-        } as CourseStatusCounts,
-
-        recentCourses: [] as Course[],
-        loading: false
-    }),
-
-    getters: {
-        getDashboardStats: (state) => state.stats,
-        getRecentCourses: (state) => state.recentCourses
-    },
-
-    actions: {
-        async fetchDashboardData() {
-            this.loading = true;
-            try {
-                // Fetch real courses from API
-                const courses = await instructorService.getCourses();
-
-                // Fetch student counts for each course
-                let totalStudents = 0;
-                let completedStudents = 0;
-                const courseDetails: Course[] = [];
-
-                for (const course of courses.slice(0, 5)) {
-                    try {
-                        // Get student counts
-                        const studentsResponse = await instructorService.getEnrolledStudents(course.id, 1, 1);
-                        const courseStudents = studentsResponse.total || 0;
-                        totalStudents += courseStudents;
-
-                        // Get completed count from full list (if small) or estimate
-                        if (courseStudents > 0 && courseStudents <= 100) {
-                            const allStudents = await instructorService.getEnrolledStudents(course.id, 1, 100);
-                            completedStudents += allStudents.data.filter(s => s.status === 'COMPLETED').length;
-                        }
-
-                        // Get lesson count from course detail
-                        const courseDetail = await instructorService.getCourseById(course.id);
-                        const lessonCount = courseDetail.chapters.reduce((sum, ch) => sum + ch.lessons.length, 0);
-
-                        courseDetails.push({
-                            id: course.id,
-                            title: course.title.th,
-                            students: courseStudents,
-                            lessons: lessonCount,
-                            icon: 'book',
-                            thumbnail: course.thumbnail_url || null
-                        });
-                    } catch (e) {
-                        // Course might not have students endpoint
-                        courseDetails.push({
-                            id: course.id,
-                            title: course.title.th,
-                            students: 0,
-                            lessons: 0,
-                            icon: 'book',
-                            thumbnail: course.thumbnail_url || null
-                        });
-                    }
-                }
-
-                // Update stats
-                this.stats.totalCourses = courses.length;
-                this.stats.totalStudents = totalStudents;
-                this.stats.completedStudents = completedStudents;
-
-                // Update course status counts
-                this.courseStatusCounts = {
-                    approved: courses.filter(c => c.status === 'APPROVED').length,
-                    pending: courses.filter(c => c.status === 'PENDING').length,
-                    draft: courses.filter(c => c.status === 'DRAFT').length,
-                    rejected: courses.filter(c => c.status === 'REJECTED').length
-                };
-
-                // Update recent courses (first 3)
-                this.recentCourses = courseDetails.slice(0, 3);
-            } catch (error) {
-                console.error('Failed to fetch dashboard data:', error);
-            } finally {
-                this.loading = false;
-            }
-        }
-    }
-});