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import { useState } from "react";
import { getState } from "@/lib/db";
import { getUserLessons, getLessonProgress } from "@/actions/srs";
import { Button } from "@/components/ui/button";
import { Card } from "@/components/ui/card";
import { Progress } from "@/components/ui/progress";
// This is a server component that gets the initial data
export default async function LessonsPage() {
const state = getState(null);
const userId = state.user?.id;
// If not logged in, show login required message
if (!userId) {
return (
<div className="container mx-auto py-8">
<Card className="p-6 text-center">
<h1 className="text-2xl font-bold mb-4">Login Required</h1>
<p className="mb-4">You need to be logged in to view your lessons.</p>
<Button asChild>
<a href="/login">Login</a>
</Button>
</Card>
</div>
);
}
// Get user lessons data
let lessons;
try {
lessons = await getUserLessons(userId);
} catch (error) {
console.error("Error fetching lessons:", error);
}
return (
<div className="container mx-auto py-8">
<div className="flex justify-between items-center mb-6">
<h1 className="text-3xl font-bold">Your Lessons</h1>
<Button asChild>
<a href="/">Back to Home</a>
</Button>
</div>
{!lessons || lessons.length === 0 ? (
<NoLessonsFound />
) : (
<div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
{lessons.map((lesson) => (
<LessonCard key={lesson.id} lesson={lesson} userId={userId} />
))}
</div>
)}
</div>
);
}
// Component to display when no lessons are found
function NoLessonsFound() {
return (
<Card className="p-6 text-center">
<h2 className="text-xl font-semibold mb-3">No Lessons Found</h2>
<p className="text-gray-500 mb-4">
You don't have any lessons available yet.
</p>
</Card>
);
}
// Component to display a lesson card
function LessonCard({ lesson, userId }: { lesson: any; userId: number }) {
const [isHovered, setIsHovered] = useState(false);
// Calculate progress percentage
const progressPercentage = lesson.progress || 0;
// Determine progress color
const getProgressColor = (percentage: number) => {
if (percentage >= 80) return "bg-green-500";
if (percentage >= 50) return "bg-yellow-500";
return "bg-blue-500";
};
return (
<Card
className="overflow-hidden transition-shadow duration-300 hover:shadow-lg"
onMouseEnter={() => setIsHovered(true)}
onMouseLeave={() => setIsHovered(false)}
>
<div className="p-6">
<h3 className="text-xl font-bold mb-2">{lesson.name}</h3>
<p className="text-gray-500 text-sm mb-4 line-clamp-2">
{lesson.description || "No description available."}
</p>
<div className="flex items-center justify-between mb-4">
<div className="text-sm">
<span className="font-medium">{lesson.masteredCards}</span>
<span className="text-gray-500"> / {lesson.totalCards} cards</span>
</div>
<div className="text-sm">
<span className="font-medium text-amber-600">
{lesson.dueCards} due
</span>
</div>
</div>
<div className="mb-6">
<Progress
value={progressPercentage}
className={`h-2 ${getProgressColor(progressPercentage)}`}
/>
</div>
<div className="flex gap-3">
<Button asChild className="flex-1">
<a href={`/study?lessonId=${lesson.id}`}>Study Now</a>
</Button>
<Button variant="outline" asChild className="flex-1">
<a href={`/lesson/${lesson.id}`}>View Details</a>
</Button>
</div>
</div>
</Card>
);
}
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