elearning/Frontend-Learner/pages/browse/discovery.vue

467 lines
16 KiB
Vue

<script setup lang="ts">
/**
* @file discovery.vue
* @description Course Discovery / Catalog Page.
* Allows users to browse, filter, and view details of available courses.
* Includes a toggleable detailed view for course previews.
*/
definePageMeta({
layout: "default",
middleware: "auth",
});
useHead({
title: "รายการคอร์ส - e-Learning",
});
// UI State
const showDetail = ref(false);
const searchQuery = ref("");
const isCategoryOpen = ref(true);
// Helper to get localized text
const getLocalizedText = (text: string | { th: string; en: string } | undefined) => {
if (!text) return ''
if (typeof text === 'string') return text
return text.th || text.en || ''
}
// Categories Data
const { fetchCategories } = useCategory();
const categories = ref<any[]>([]);
const showAllCategories = ref(false);
const loadCategories = async () => {
const res = await fetchCategories();
if (res.success) {
categories.value = res.data || [];
}
};
const visibleCategories = computed(() => {
return showAllCategories.value ? categories.value : categories.value.slice(0, 8);
});
// Courses Data
const { fetchCourses, fetchCourseById, enrollCourse } = useCourse();
const courses = ref<any[]>([]);
const isLoading = ref(false);
const selectedCourse = ref<any>(null);
const isLoadingDetail = ref(false);
const isEnrolling = ref(false);
const loadCourses = async () => {
isLoading.value = true;
const res = await fetchCourses();
if (res.success) {
courses.value = (res.data || []).map((c: any) => ({
...c,
rating: "0.0",
lessons: "0",
levelType: c.levelType || "neutral"
}));
}
isLoading.value = false;
};
const selectCourse = async (id: number) => {
isLoadingDetail.value = true;
selectedCourse.value = null;
showDetail.value = true;
const res = await fetchCourseById(id);
if (res.success) {
selectedCourse.value = res.data;
}
isLoadingDetail.value = false;
};
const handleEnroll = async (id: number) => {
if (isEnrolling.value) return;
isEnrolling.value = true;
const res = await enrollCourse(id);
if (res.success) {
// Navigate to my-courses where the success modal will be shown
return navigateTo('/dashboard/my-courses?enrolled=true');
} else {
alert(res.error || 'Failed to enroll');
}
isEnrolling.value = false;
};
onMounted(() => {
loadCategories();
loadCourses();
});
// Filter Logic based on search query
const filteredCourses = computed(() => {
if (!searchQuery.value) return courses.value;
const query = searchQuery.value.toLowerCase();
return courses.value.filter(
(c) => {
const title = getLocalizedText(c.title).toLowerCase();
const desc = getLocalizedText(c.description).toLowerCase();
return title.includes(query) || (desc && desc.includes(query));
}
);
});
</script>
<template>
<div>
<!-- CATALOG VIEW: Browse courses -->
<div v-if="!showDetail">
<!-- Search & Filters Header -->
<div
class="flex justify-between items-center mb-6"
style="flex-wrap: wrap; gap: 16px"
>
<h1 class="text-[28px] font-bold text-slate-900 dark:text-white">
{{ $t('discovery.title') }}
</h1>
<div class="flex gap-3" style="flex-wrap: wrap">
<!-- Search Input -->
<div class="relative">
<input
v-model="searchQuery"
type="text"
class="input-field text-slate-900 dark:text-white bg-white dark:bg-slate-800 placeholder:text-slate-500"
:placeholder="$t('discovery.searchPlaceholder')"
style="padding-left: 36px; width: 240px"
/>
</div>
<!-- Sorting Select -->
<select
class="input-field bg-white dark:bg-slate-800"
style="width: auto; color: #0f172a"
>
<option style="color: #0f172a">{{ $t('discovery.sortRecent') }}</option>
<option style="color: #0f172a">{{ $t('discovery.sortPopular') }}</option>
</select>
</div>
</div>
<!-- Main Grid Layout -->
<div class="grid-12">
<!-- Sidebar Filters -->
<div class="col-span-3">
<div class="card">
<div class="mb-6">
<div
class="flex items-center justify-between mb-4 cursor-pointer"
@click="isCategoryOpen = !isCategoryOpen"
>
<h4 class="text-lg font-bold text-slate-900 dark:text-white">
{{ $t('discovery.categoryTitle') }} ({{ categories.length }})
</h4>
<svg
xmlns="http://www.w3.org/2000/svg"
class="h-5 w-5 text-slate-400 transition-transform duration-200"
:class="{ 'rotate-180': !isCategoryOpen }"
fill="none"
viewBox="0 0 24 24"
stroke="currentColor"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M5 15l7-7 7 7"
/>
</svg>
</div>
<div v-show="isCategoryOpen" class="flex flex-col gap-1">
<div
v-for="cat in visibleCategories"
:key="cat.id"
class="flex items-center justify-between py-3 border-b border-slate-100 dark:border-slate-700/50 group cursor-pointer hover:bg-slate-50 dark:hover:bg-slate-800/50 -mx-4 px-4 transition-colors"
>
<label
class="flex items-center gap-3 text-slate-700 dark:text-slate-300 cursor-pointer w-full"
>
<input
type="checkbox"
class="w-4 h-4 rounded border-slate-300 text-primary focus:ring-primary"
/>
{{ getLocalizedText(cat.name) }}
</label>
</div>
<button
class="text-primary text-sm mt-4 font-medium hover:underline flex items-center gap-1"
@click="showAllCategories = !showAllCategories"
>
{{ showAllCategories ? $t('discovery.showLess') : $t('discovery.showMore') }}
<svg
xmlns="http://www.w3.org/2000/svg"
class="h-4 w-4 transition-transform duration-200"
:class="{ 'rotate-180': showAllCategories }"
fill="none"
viewBox="0 0 24 24"
stroke="currentColor"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M19 9l-7 7-7-7"
/>
</svg>
</button>
</div>
</div>
</div>
</div>
<!-- Course List -->
<div class="col-span-9" style="min-width: 0">
<div class="course-grid">
<CourseCard
v-for="course in filteredCourses"
:key="course.id"
:title="course.title"
:price="course.price"
:description="course.description"
:rating="course.rating"
:lessons="course.lessons"
:image="course.thumbnail_url"
show-view-details
@view-details="selectCourse(course.id)"
/>
</div>
<!-- Empty State -->
<div
v-if="filteredCourses.length === 0"
class="empty-state"
style="grid-column: 1 / -1"
>
<h3 class="empty-state-title">{{ $t('discovery.emptyTitle') }}</h3>
<p class="empty-state-description">
{{ $t('discovery.emptyDesc') }}
</p>
<button class="btn btn-secondary" @click="searchQuery = ''">
{{ $t('discovery.showAll') }}
</button>
</div>
<!-- Pagination / Load More -->
<div class="load-more-wrap">
<button
class="btn btn-secondary"
style="
border-color: #64748b;
color: white;
background: rgba(255, 255, 255, 0.05);
"
>
{{ $t('discovery.loadMore') }}
</button>
</div>
</div>
</div>
</div>
<!-- COURSE DETAIL VIEW: Detailed information about a specific course -->
<div v-else>
<button
@click="showDetail = false"
class="btn btn-secondary mb-6 inline-flex items-center gap-2"
>
<span></span> {{ $t('discovery.backToCatalog') }}
</button>
<div v-if="isLoadingDetail" class="flex justify-center py-20">
<div class="spinner-border animate-spin inline-block w-8 h-8 border-4 rounded-full" role="status">
<span class="visually-hidden">Loading...</span>
</div>
</div>
<div v-else-if="selectedCourse" class="grid-12">
<!-- Main Content (Left Column) -->
<div class="col-span-8">
<!-- Hero Video Placeholder -->
<div
style="
width: 100%;
height: 400px;
background: var(--neutral-900);
border-radius: var(--radius-xl);
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 24px;
position: relative;
border: 1px solid var(--border-color);
overflow: hidden;
"
>
<img
v-if="selectedCourse.thumbnail_url"
:src="selectedCourse.thumbnail_url"
class="absolute inset-0 w-full h-full object-cover opacity-50"
/>
<!-- Play Button -->
<div
class="relative z-10"
style="
width: 80px;
height: 80px;
background: var(--primary);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
"
>
<div
style="
width: 0;
height: 0;
border-top: 15px solid transparent;
border-bottom: 15px solid transparent;
border-left: 25px solid white;
margin-left: 6px;
"
/>
</div>
</div>
<h1 class="text-[32px] font-bold mb-4 text-slate-900 dark:text-white">
{{ getLocalizedText(selectedCourse.title) }}
</h1>
<p
class="text-slate-700 dark:text-slate-400 mb-6"
style="font-size: 1.1em; line-height: 1.7"
>
{{ getLocalizedText(selectedCourse.description) }}
</p>
<!-- Learning Objectives -->
<div class="card mb-6">
<h3 class="font-bold mb-4 text-slate-900 dark:text-white">
{{ $t('course.whatYouWillLearn') }}
</h3>
<ul
class="grid-12"
style="grid-template-columns: 1fr 1fr; gap: 12px"
>
<li class="flex gap-2 text-sm text-slate-700 dark:text-slate-300">
<span style="color: var(--success)"></span> การวยผใช
(User Research)
</li>
<li class="flex gap-2 text-sm text-slate-700 dark:text-slate-300">
<span style="color: var(--success)"></span>
การวาดโครงรางและทำตนแบบ
</li>
<li class="flex gap-2 text-sm text-slate-700 dark:text-slate-300">
<span style="color: var(--success)"></span> ระบบการออกแบบ
(Design Systems)
</li>
<li class="flex gap-2 text-sm text-slate-700 dark:text-slate-300">
<span style="color: var(--success)"></span> การทดสอบการใชงาน
(Usability Testing)
</li>
</ul>
</div>
<!-- Course Syllabus / Outline -->
<div class="card">
<h3 class="font-bold mb-4 text-slate-900 dark:text-white">
{{ $t('course.courseContent') }}
</h3>
<!-- Chapter 1 -->
<div class="mb-4">
<div
class="flex justify-between p-4 rounded mb-2"
style="background: #f3f4f6; border: 1px solid #e5e7eb"
>
<span class="font-bold text-slate-900 dark:text-slate-900"
>01. {{ $t('course.introduction') }}</span
>
<span class="text-sm text-slate-600 dark:text-slate-400"
>3 {{ $t('course.lessons') }}</span
>
</div>
<div style="padding-left: 16px">
<div
class="flex justify-between py-2 border-b"
style="border-color: var(--neutral-100)"
>
<span class="text-sm text-slate-700 dark:text-slate-300">1.1 การออกแบบ UX ออะไร?</span>
<span class="text-sm text-slate-600 dark:text-slate-400"
>10:00</span
>
</div>
<div
class="flex justify-between py-2 border-b"
style="border-color: var(--neutral-100)"
>
<span class="text-sm text-slate-700 dark:text-slate-300"
>1.2 กระบวนการคดเชงออกแบบ (Design Thinking)</span
>
<span class="text-sm text-slate-600 dark:text-slate-400"
>15:30</span
>
</div>
</div>
</div>
</div>
</div>
<!-- Sidebar (Right Column): Sticky CTA -->
<div class="col-span-4">
<div class="card" style="position: sticky; top: 88px">
<div class="mb-6">
<span
class="text-sm text-slate-600 dark:text-slate-400"
style="text-decoration: line-through"
></span
>
<h2
class="text-primary font-bold"
style="font-size: 32px; margin: 0"
>
{{ selectedCourse.price || 'ฟรี' }}
</h2>
</div>
<button
@click="handleEnroll(selectedCourse.id)"
class="btn btn-primary w-full mb-4 text-white"
style="height: 48px; font-size: 16px"
:disabled="isEnrolling"
>
<span v-if="isEnrolling" class="spinner-border animate-spin inline-block w-4 h-4 border-2 rounded-full mr-2"></span>
{{ $t('course.enrollNow') }}
</button>
<div class="text-sm text-slate-600 dark:text-slate-400 mb-4">
<div
class="flex justify-between py-2 border-b"
style="border-color: var(--neutral-100)"
>
<span>ระยะเวลา</span>
<span class="font-bold">4.5 วโมง</span>
</div>
<div
class="flex justify-between py-2 border-b"
style="border-color: var(--neutral-100)"
>
<span>{{ $t('course.certificate') }}</span>
<span class="font-bold">{{ $t('course.available') }}</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</template>