feat(discover): add topic selection

src/app/discover/page.tsx

@@ -4,6 +4,7 @@ import { Search } from 'lucide-react';
 import { useEffect, useState } from 'react';
 import Link from 'next/link';
 import { toast } from 'sonner';
+import { cn } from '@/lib/utils';
 
 interface Discover {
   title: string;
@@ -12,14 +13,39 @@ interface Discover {
   thumbnail: string;
 }
 
+const topics: { key: string; display: string }[] = [
+  {
+    display: 'Tech & Science',
+    key: 'tech',
+  },
+  {
+    display: 'Finance',
+    key: 'finance',
+  },
+  {
+    display: 'Art & Culture',
+    key: 'art',
+  },
+  {
+    display: 'Sports',
+    key: 'sports',
+  },
+  {
+    display: 'Entertainment',
+    key: 'entertainment',
+  },
+];
+
 const Page = () => {
   const [discover, setDiscover] = useState<Discover[] | null>(null);
   const [loading, setLoading] = useState(true);
+  const [activeTopic, setActiveTopic] = useState<string>(topics[0].key);
 
-  useEffect(() => {
+  const fetchArticles = async (topic: string) => {
-    const fetchData = async () => {
+    setLoading(true);
+    console.log(topic);
     try {
-        const res = await fetch(`/api/discover`, {
+      const res = await fetch(`/api/discover?topic=${topic}`, {
         method: 'GET',
         headers: {
           'Content-Type': 'application/json',
@@ -43,10 +69,39 @@ const Page = () => {
     }
   };
 
-    fetchData();
+  useEffect(() => {
-  }, []);
+    fetchArticles(activeTopic);
+  }, [activeTopic]);
 
-  return loading ? (
+  return (
+    <>
+      <div>
+        <div className="flex flex-col pt-4">
+          <div className="flex items-center">
+            <Search />
+            <h1 className="text-3xl font-medium p-2">Discover</h1>
+          </div>
+          <hr className="border-t border-[#2B2C2C] my-4 w-full" />
+        </div>
+
+        <div className="flex flex-row items-center space-x-2 overflow-x-auto">
+          {topics.map((t, i) => (
+            <div
+              key={i}
+              className={cn(
+                'border-[0.1px] rounded-full text-sm px-3 py-1 text-nowrap transition duration-200 cursor-pointer',
+                activeTopic === t.key
+                  ? 'text-cyan-300 bg-cyan-300/30 border-cyan-300/60'
+                  : 'border-white/30 text-white/70 hover:text-white hover:border-white/40 hover:bg-white/5',
+              )}
+              onClick={() => setActiveTopic(t.key)}
+            >
+              <span>{t.display}</span>
+            </div>
+          ))}
+        </div>
+
+        {loading ? (
           <div className="flex flex-row items-center justify-center min-h-screen">
             <svg
               aria-hidden="true"
@@ -66,17 +121,7 @@ const Page = () => {
             </svg>
           </div>
         ) : (
-    <>
+          <div className="grid lg:grid-cols-3 sm:grid-cols-2 grid-cols-1 gap-4 pb-28 pt-5 lg:pb-8 w-full justify-items-center lg:justify-items-start">
-      <div>
-        <div className="flex flex-col pt-4">
-          <div className="flex items-center">
-            <Search />
-            <h1 className="text-3xl font-medium p-2">Discover</h1>
-          </div>
-          <hr className="border-t border-[#2B2C2C] my-4 w-full" />
-        </div>
-
-        <div className="grid lg:grid-cols-3 sm:grid-cols-2 grid-cols-1 gap-4 pb-28 lg:pb-8 w-full justify-items-center lg:justify-items-start">
             {discover &&
               discover?.map((item, i) => (
                 <Link
@@ -105,6 +150,7 @@ const Page = () => {
                 </Link>
               ))}
           </div>
+        )}
       </div>
     </>
   );