Explore Page Created

src/app/explore/page.tsx

@@ -0,0 +1,34 @@
+import { headers } from "next/headers";
+import { auth } from "@/lib/auth";
+import { db } from "@/db";
+import { courses } from "@/db/schema";
+import { desc } from "drizzle-orm";
+import { ExploreCoursesClient } from "@/components/ExploreCoursesClient";
+
+export default async function ExplorePage() {
+  const session = await auth.api.getSession({
+    headers: await headers(),
+  });
+
+  const inProgressCourseIds: Array<number | string> = [];
+
+  const allCourses = await db
+    .select()
+    .from(courses)
+    .orderBy(desc(courses.createdAt));
+
+  return (
+    <div className="max-w-6xl mx-auto py-10 px-4">
+      <ExploreCoursesClient
+        courses={allCourses.map((c) => ({
+          id: c.id,
+          title: c.title,
+          description: c.description ?? "",
+          difficulty: c.difficulty,
+          createdAt: Number(c.createdAt || 0),
+        }))}
+        inProgressCourseIds={inProgressCourseIds}
+      />
+    </div>
+  );
+}

src/components/ExploreCoursesClient.tsx

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+"use client";
+
+import { useMemo, useState } from "react";
+import Link from "next/link";
+
+import {
+  Card,
+  CardHeader,
+  CardTitle,
+  CardDescription,
+  CardContent,
+} from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Input } from "@/components/ui/input";
+import { Button } from "@/components/ui/button";
+import {
+  Tabs,
+  TabsList,
+  TabsTrigger,
+  TabsContent,
+} from "@/components/ui/tabs";
+
+type CourseItem = {
+  id: number | string;
+  title: string;
+  description: string;
+  difficulty: string | null;
+  createdAt: number;
+};
+
+type ExploreCoursesClientProps = {
+  courses: CourseItem[];
+  inProgressCourseIds: Array<number | string>;
+};
+
+const PAGE_SIZE = 10;
+
+export function ExploreCoursesClient({
+  courses,
+  inProgressCourseIds,
+}: ExploreCoursesClientProps) {
+  const [search, setSearch] = useState("");
+  const [visibleCount, setVisibleCount] = useState(PAGE_SIZE);
+
+  const normalizedSearch = search.trim().toLowerCase();
+
+  const filteredCourses = useMemo(() => {
+    if (!normalizedSearch) return courses;
+    return courses.filter((course) => {
+      const haystack = `${course.title} ${course.description}`.toLowerCase();
+      return haystack.includes(normalizedSearch);
+    });
+  }, [courses, normalizedSearch]);
+
+  const popularCourses = useMemo(() => {
+    return filteredCourses.slice(0, 5);
+  }, [filteredCourses]);
+
+  const inProgressCourses = useMemo(() => {
+    if (!inProgressCourseIds.length) return [];
+    const set = new Set(inProgressCourseIds.map(String));
+    return filteredCourses.filter((c) => set.has(String(c.id)));
+  }, [filteredCourses, inProgressCourseIds]);
+
+  const visibleCourses = filteredCourses.slice(0, visibleCount);
+  const hasMore = filteredCourses.length > visibleCourses.length;
+
+  const renderCourseCard = (course: CourseItem) => {
+    const difficultyLabel =
+      course.difficulty?.charAt(0).toUpperCase() +
+        course.difficulty?.slice(1) || "Beginner";
+
+    const date =
+      course.createdAt && !Number.isNaN(course.createdAt)
+        ? new Date(course.createdAt * 1000)
+        : null;
+
+    return (
+      <Link key={course.id} href={`/courses/${course.id}`}>
+        <Card className="h-full transition hover:border-primary/60 hover:shadow-sm">
+          <CardHeader>
+            <div className="flex items-center justify-between gap-2">
+              <CardTitle className="line-clamp-1 text-base">
+                {course.title}
+              </CardTitle>
+              <Badge variant="outline" className="text-xs">
+                {difficultyLabel}
+              </Badge>
+            </div>
+            {date && (
+              <p className="text-[11px] text-muted-foreground">
+                Created on{" "}
+                {date.toLocaleDateString(undefined, {
+                  month: "short",
+                  day: "numeric",
+                  year: "numeric",
+                })}
+              </p>
+            )}
+          </CardHeader>
+          <CardContent>
+            <CardDescription className="line-clamp-2 text-sm">
+              {course.description || "No description provided yet."}
+            </CardDescription>
+          </CardContent>
+        </Card>
+      </Link>
+    );
+  };
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
+        <div>
+          <h1 className="text-2xl font-semibold tracking-tight">
+            Explore Courses
+          </h1>
+          <p className="text-sm text-muted-foreground">
+            Browse all available courses or jump back into what you&apos;re
+            working on.
+          </p>
+        </div>
+
+        {/* Search */}
+        <div className="w-full sm:w-72">
+          <Input
+            value={search}
+            onChange={(e) => {
+              setSearch(e.target.value);
+              // reset pagination when search changes
+              setVisibleCount(PAGE_SIZE);
+            }}
+            placeholder="Search courses…"
+          />
+        </div>
+      </div>
+
+      {/* Tabs */}
+      <Tabs defaultValue="popular" className="w-full">
+        <TabsList className="grid w-full grid-cols-3 sm:w-auto">
+          <TabsTrigger value="popular">Popular</TabsTrigger>
+          <TabsTrigger value="in-progress">In progress</TabsTrigger>
+          <TabsTrigger value="all">All courses</TabsTrigger>
+        </TabsList>
+
+        {/* Popular */}
+        <TabsContent value="popular" className="mt-4 space-y-4">
+          {popularCourses.length === 0 ? (
+            <p className="text-sm text-muted-foreground">
+              No courses to show here yet. Once courses are added and gets
+              activity, they&apos;ll show up under Popular.
+            </p>
+          ) : (
+            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+              {popularCourses.map(renderCourseCard)}
+            </div>
+          )}
+        </TabsContent>
+
+        {/* In progress */}
+        <TabsContent value="in-progress" className="mt-4 space-y-4">
+          {inProgressCourses.length === 0 ? (
+            <p className="text-sm text-muted-foreground">
+              You don&apos;t have any courses in progress yet. Start any course
+              to see it here.
+            </p>
+          ) : (
+            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+              {inProgressCourses.map(renderCourseCard)}
+            </div>
+          )}
+        </TabsContent>
+
+        {/* All courses with pagination */}
+        <TabsContent value="all" className="mt-4 space-y-4">
+          {visibleCourses.length === 0 ? (
+            <p className="text-sm text-muted-foreground">
+              No courses match your search.
+            </p>
+          ) : (
+            <>
+              <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+                {visibleCourses.map(renderCourseCard)}
+              </div>
+
+              {hasMore && (
+                <div className="flex justify-center pt-2">
+                  <Button
+                    variant="outline"
+                    onClick={() =>
+                      setVisibleCount((prev) => prev + PAGE_SIZE)
+                    }
+                  >
+                    Load more
+                  </Button>
+                </div>
+              )}
+            </>
+          )}
+        </TabsContent>
+      </Tabs>
+    </div>
+  );
+}