Revisione/app/pages/index.vue

573 lines
14 KiB
Vue

<script setup lang="ts">
type CourseStatus = "processing" | "ready" | "error";
interface CourseSummary {
id: string
title: string
subject: string
status: CourseStatus
stage: string | null
createdAt: string
topicCount: number
completedCount: number
costAI: number | null
costAudio: number | null
organisation: string | null
}
const { data: courses, refresh } = await useAsyncData(
"courses-list",
() => $fetch<CourseSummary[]>("/api/courses")
);
let pollTimer: ReturnType<typeof setInterval> | null = null;
function maybeStartPolling() {
const hasProcessing = courses.value?.some((c) => c.status === "processing");
if (hasProcessing && !pollTimer) {
pollTimer = setInterval(async () => {
await refresh();
if (!courses.value?.some((c) => c.status === "processing")) {
clearInterval(pollTimer!);
pollTimer = null;
}
}, 4000);
}
}
onMounted(maybeStartPolling);
watch(courses, maybeStartPolling);
onUnmounted(() => { if (pollTimer) clearInterval(pollTimer); });
function relativeTime(dateStr: string): string {
const diff = Date.now() - new Date(dateStr).getTime();
const mins = Math.floor(diff / 60000);
const hours = Math.floor(diff / 3600000);
const days = Math.floor(diff / 86400000);
if (mins < 2) return "just now";
if (mins < 60) return `${mins}m ago`;
if (hours < 24) return `${hours}h ago`;
if (days < 30) return `${days}d ago`;
return new Date(dateStr).toLocaleDateString("en-GB", { day: "numeric", month: "short" });
}
const STAGE_LABELS: Record<string, string> = {
parsing_pdfs: "Reading your documents…",
analysing_sources: "Identifying key topics…",
building_curriculum: "Building your curriculum…",
finalising: "Generating lessons & quizzes…",
};
function stageLabel(stage: string | null): string {
return (stage && STAGE_LABELS[stage]) ?? "Processing…";
}
const retrying = ref<Record<string, boolean>>({});
async function retry(courseId: string) {
retrying.value[courseId] = true;
try {
await $fetch(`/api/courses/${courseId}/generate`, { method: "POST" });
await refresh();
maybeStartPolling();
} catch {
// leave error state
} finally {
retrying.value[courseId] = false;
}
}
function progressPct(course: CourseSummary): number {
if (!course.topicCount) return 0;
return Math.round((course.completedCount / course.topicCount) * 100);
}
// deterministic warm color from subject string
function subjectColor(subject: string): string {
const palette = [
"#c9a87c", "#7a9e8e", "#8b7faa", "#b07c7c",
"#7c9db0", "#a89e7c", "#8aaa7c", "#aa7c9e",
];
let hash = 0;
for (let i = 0; i < subject.length; i++) {
hash = (hash * 31 + subject.charCodeAt(i)) & 0xffff;
}
return palette[hash % palette.length] ?? palette[0]!;
}
</script>
<template>
<div class="dashboard">
<!-- header -->
<div class="dash-head">
<div class="dash-head-date">{{ new Date().toLocaleDateString("en-GB", { weekday: "long", day: "numeric", month: "long", year: "numeric" }) }}</div>
<h1 class="dash-head-title">Your courses</h1>
</div>
<!-- empty state -->
<div v-if="!courses?.length" class="empty-state">
<div class="empty-icon">
<svg width="32" height="32" viewBox="0 0 20 20" fill="none" stroke="var(--accent)" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
<path d="M4 3h10a1 1 0 011 1v12a1 1 0 01-1 1H4a1 1 0 01-1-1V4a1 1 0 011-1z"/>
<path d="M7 7h6M7 10h6M7 13h4"/>
</svg>
</div>
<h2 class="empty-heading">No courses yet</h2>
<p class="empty-sub">Upload your lecture slides and past papers to generate a personalised learning path.</p>
<NuxtLink to="/new" class="empty-cta">Create your first course </NuxtLink>
</div>
<!-- grid -->
<div v-else class="course-grid">
<a
v-for="course in courses"
:key="course.id"
:href="course.status !== 'error' ? `/course/${course.id}` : undefined"
class="course-card"
:class="{
'course-card--ready': course.status === 'ready',
'course-card--processing': course.status === 'processing',
'course-card--error': course.status === 'error',
}"
:style="course.status === 'error' ? 'cursor: default;' : ''"
@click.prevent="course.status !== 'error' && $router.push(`/course/${course.id}`)"
>
<!-- color strip derived from subject initials hash for consistency -->
<div class="card-strip" :style="{ background: subjectColor(course.subject) }" />
<div class="card-body">
<!-- top row -->
<div class="card-top">
<div>
<div class="card-subject">{{ course.subject }}</div>
<h3 class="card-title">{{ course.title }}</h3>
<!-- org chip -->
<div v-if="course.organisation" class="card-org-chips">
<span class="org-chip">{{ course.organisation }}</span>
</div>
</div>
<span class="status-badge" :class="`status-badge--${course.status}`">
<span v-if="course.status === 'processing'" class="badge-pulse" />
{{ course.status === 'ready' ? 'Ready' : course.status === 'error' ? 'Error' : 'Processing' }}
</span>
</div>
<!-- bottom -->
<div class="card-bottom">
<template v-if="course.status === 'ready'">
<!-- progress bar -->
<div class="progress-row">
<div class="progress-track">
<div class="progress-fill" :style="{ width: `${progressPct(course)}%`, background: subjectColor(course.subject) }" />
</div>
<span class="progress-label">{{ course.completedCount }}&thinsp;/&thinsp;{{ course.topicCount }}</span>
</div>
<div class="card-footer">
<span class="card-date">Last opened {{ relativeTime(course.createdAt) }}</span>
<div v-if="(course.costAI ?? 0) + (course.costAudio ?? 0) > 0" class="cost-row">
<span>${{ ((course.costAI ?? 0) + (course.costAudio ?? 0)).toFixed(2) }}</span>
</div>
</div>
</template>
<template v-else-if="course.status === 'processing'">
<p class="stage-label">
<span class="stage-dot" />
Generating lessons...
</p>
<span class="card-date">{{ relativeTime(course.createdAt) }}</span>
</template>
<template v-else-if="course.status === 'error'">
<div class="error-row">
<span class="error-msg">Generation failed</span>
<button
class="retry-btn"
:disabled="retrying[course.id]"
@click.prevent="retry(course.id)"
>{{ retrying[course.id] ? 'Retrying…' : 'Retry' }}</button>
</div>
<span class="card-date">{{ relativeTime(course.createdAt) }}</span>
</template>
</div>
</div>
</a>
<!-- add new card -->
<NuxtLink to="/new" class="add-card">
<div class="add-card-circle">
<svg width="18" height="18" viewBox="0 0 20 20" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round">
<path d="M10 4v12M4 10h12"/>
</svg>
</div>
<span class="add-card-label">Upload new course materials</span>
</NuxtLink>
</div>
</div>
</template>
<style scoped>
.dashboard {
padding: 40px 48px;
max-width: 960px;
}
.dash-head {
margin-bottom: 36px;
}
.dash-head-date {
font-size: 12px;
font-weight: 500;
color: var(--text-3);
letter-spacing: 0.08em;
text-transform: uppercase;
margin-bottom: 6px;
}
.dash-head-title {
font-family: "Lora", serif;
font-size: 28px;
font-weight: 600;
color: var(--text);
letter-spacing: -0.4px;
}
/* empty state */
.empty-state {
display: flex;
flex-direction: column;
align-items: center;
text-align: center;
padding: 6rem 0;
gap: 1rem;
}
.empty-icon {
width: 64px;
height: 64px;
border-radius: 50%;
background: var(--accent-light);
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 0.5rem;
}
.empty-heading {
font-family: "Lora", serif;
font-size: 1.5rem;
font-weight: 600;
color: var(--text);
}
.empty-sub {
font-size: 0.9rem;
line-height: 1.7;
color: var(--text-2);
max-width: 380px;
}
.empty-cta {
margin-top: 0.5rem;
display: inline-block;
background: var(--accent);
color: white;
font-size: 0.875rem;
font-weight: 500;
padding: 0.75rem 1.75rem;
border-radius: var(--r-btn);
text-decoration: none;
transition: opacity 0.15s;
}
.empty-cta:hover { opacity: 0.88; }
/* grid */
.course-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
}
@media (max-width: 700px) {
.dashboard { padding: 24px 20px; }
.course-grid { grid-template-columns: 1fr; }
}
/* card */
.course-card {
display: flex;
flex-direction: column;
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--r-card);
overflow: hidden;
text-decoration: none;
cursor: default;
transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.course-card--ready {
cursor: pointer;
}
.course-card--ready:hover {
border-color: var(--border-2);
transform: translateY(-2px);
box-shadow: 0 8px 28px oklch(0% 0 0 / 0.06);
}
.course-card--error {
border-color: oklch(80% 0.06 15);
}
.card-strip {
height: 6px;
opacity: 0.85;
}
.card-body {
padding: 20px 22px;
display: flex;
flex-direction: column;
gap: 0;
flex: 1;
}
.card-top {
display: flex;
justify-content: space-between;
align-items: flex-start;
gap: 12px;
margin-bottom: 16px;
}
.card-subject {
font-size: 11px;
font-weight: 600;
letter-spacing: 0.07em;
color: var(--text-3);
text-transform: uppercase;
margin-bottom: 4px;
}
.card-title {
font-family: "Lora", serif;
font-weight: 600;
font-size: 16px;
color: var(--text);
line-height: 1.3;
margin-bottom: 8px;
}
.card-org-chips {
display: flex;
flex-wrap: wrap;
gap: 5px;
}
.org-chip {
font-size: 11px;
font-weight: 500;
color: var(--text-2);
border: 1px solid var(--border-2);
border-radius: 20px;
padding: 2px 9px;
background: var(--surface-2);
white-space: nowrap;
letter-spacing: 0.01em;
}
.status-badge {
font-size: 10px;
letter-spacing: 0.08em;
text-transform: uppercase;
padding: 3px 8px;
border-radius: 20px;
display: flex;
align-items: center;
gap: 5px;
flex-shrink: 0;
font-weight: 500;
}
.status-badge--ready {
background: var(--green-light);
color: var(--green);
}
.status-badge--processing {
background: var(--accent-light);
color: var(--accent);
}
.status-badge--error {
background: oklch(93% 0.04 15);
color: oklch(42% 0.12 15);
}
.badge-pulse {
width: 5px;
height: 5px;
border-radius: 50%;
background: currentColor;
animation: badge-blink 1.4s ease-in-out infinite;
}
@keyframes badge-blink {
0%, 100% { opacity: 0.35; }
50% { opacity: 1; }
}
.card-bottom {
display: flex;
flex-direction: column;
gap: 8px;
margin-top: auto;
}
.progress-row {
display: flex;
align-items: center;
gap: 10px;
}
.progress-track {
flex: 1;
height: 6px;
background: var(--border);
border-radius: 99px;
overflow: hidden;
}
.progress-fill {
height: 100%;
border-radius: 99px;
transition: width 0.5s ease;
}
.progress-label {
font-size: 12px;
color: var(--text-3);
flex-shrink: 0;
}
.card-footer {
display: flex;
justify-content: space-between;
align-items: center;
}
.card-date {
font-size: 12px;
color: var(--text-3);
}
.cost-row {
font-size: 11px;
color: var(--text-3);
}
.stage-label {
font-size: 13px;
color: var(--accent);
display: flex;
align-items: center;
gap: 6px;
}
.stage-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--accent);
flex-shrink: 0;
animation: badge-blink 1.4s ease-in-out infinite;
}
.course-card--processing {
cursor: pointer;
}
.course-card--processing:hover {
border-color: var(--border-2);
transform: translateY(-2px);
box-shadow: 0 8px 28px oklch(0% 0 0 / 0.06);
}
.error-row {
display: flex;
align-items: center;
justify-content: space-between;
gap: 10px;
}
.error-msg {
font-size: 13px;
color: oklch(42% 0.12 15);
}
.retry-btn {
font-size: 11px;
letter-spacing: 0.06em;
text-transform: uppercase;
background: none;
border: 1px solid oklch(78% 0.06 15);
color: oklch(42% 0.12 15);
padding: 3px 10px;
border-radius: 20px;
cursor: pointer;
transition: background 0.15s;
flex-shrink: 0;
}
.retry-btn:hover:not(:disabled) { background: oklch(93% 0.04 15); }
.retry-btn:disabled { opacity: 0.4; cursor: not-allowed; }
/* add card */
.add-card {
background: transparent;
border: 1.5px dashed var(--border-2);
border-radius: var(--r-card);
padding: 40px 22px;
text-align: center;
cursor: pointer;
color: var(--text-3);
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 10px;
text-decoration: none;
transition: all 0.18s;
min-height: 160px;
}
.add-card:hover {
border-color: var(--accent);
color: var(--accent);
background: var(--accent-light);
}
.add-card-circle {
width: 40px;
height: 40px;
border-radius: 50%;
border: 1.5px dashed currentColor;
display: flex;
align-items: center;
justify-content: center;
}
.add-card-label {
font-size: 14px;
font-weight: 500;
}
</style>