pagination

app/src/App.svelte

@@ -12,8 +12,13 @@
 
   let loading = false;
 
+  let searchAlbums = [];
+  let total;
+  let next;
+  let query;
+
   async function search(event) {
-    const query = event.target.value;
+    query = event.target.value;
 
     searchAlbums = [];
     loading = true;
@@ -24,14 +29,33 @@
       const response = await fetch(url);
       const data = await response.json();
       loading = false;
-      searchAlbums = data;
+      searchAlbums = data.data;
+      total = data.total;
+      next = data.next;
     } catch (error) {
       console.error(error);
       loading = false;
     }
   }
 
-  let searchAlbums = [];
+  async function searchMore() {
+    loading = true;
+
+    try {
+      let url = dev ? (new URL('http://localhost:4500/api/search')) : (new URL('/api/search', window.location.origin));
+      url.searchParams.set('search', query);
+      url.searchParams.set('index', next);
+      const response = await fetch(url);
+      const data = await response.json();
+      loading = false;
+      searchAlbums = [...searchAlbums, ...data.data];
+      total = data.total;
+      next = data.next;
+    } catch (error) {
+      console.error(error);
+      loading = false;
+    }
+  }
 </script>
 
 <SvelteToast options={{
@@ -45,15 +69,21 @@
     <span class="main">
       <Header/>
       <Search onChange={search}/>
-      {#if loading}
-        <Loading/>
-      {/if}
       {#if searchAlbums.length > 0}
         <div class="albums">
           {#each searchAlbums as album, i}
             <Album title={album.title} id={album.id} cover={album.cover} artist={album.artist}/>
           {/each}
         </div>
+
+        {#if total > searchAlbums.length}
+          <div style="padding: 1.5em">
+            <button on:click={searchMore}>Load more</button>
+          </div>
+        {/if}
+      {/if}
+      {#if loading}
+        <Loading/>
       {/if}
     </span>
   </main>

app/src/app.css

@@ -23,6 +23,14 @@ body {
     color: rgb(151, 151, 255);
     filter: drop-shadow( 0px 0px 2px #8383F3);
   }
+  button {
+    background-color: #161627;
+    color: #fff;
+    border-color: #161627;
+  }
+  button:hover {
+    border-color: rgb(131, 131, 243);
+  }
 }
 @media (prefers-color-scheme: light) {
   body {
@@ -40,6 +48,14 @@ body {
     color: #f484b6;
     filter: drop-shadow( 0px 0px 2px #f484b6);
   }
+  button {
+    background-color: #ffffff;
+    color: #1e1e2d;
+    border-color: #ffffff;
+  }
+  button:hover {
+    border-color: #ea74ac;
+  }
 }
 
 body {
@@ -57,4 +73,14 @@ body {
 .link {
   cursor: pointer;
   transition: 0.1s color ease-out;
+}
+
+button {
+  cursor: pointer;
+  border-width: 2px;
+  border-radius: 8px;
+  border-style: solid;
+  font-size: large;
+  padding: 0.25em;
+  transition: 0.1s border-color ease-out;
 }

src/get/album.ts

@@ -24,13 +24,15 @@ router.get('/api/album', async (req, res) => {
     id: album.id,
     title: album.title,
     link: album.link,
+    releaseDate: album.release_date,
+    explicitCover: album.explicit_content_cover,
     tracks: album.tracks.data.map(t => {
       return {
         id: t.id,
         title: t.title,
         duration: t.duration,
         link: t.link,
-        artist: t.artist.name,
+        artist: t.artist.name
       };
     })
   });

src/get/search.ts

@@ -12,19 +12,22 @@ router.get('/api/search', async (req, res) => {
   if (Array.isArray(req.query.search)) req.query.search = req.query.search.join('');
   req.query.search = req.query.search as string;
 
-  let s: [Album];
+  let s: DeezerResponse<[Album]>;
   try {
-    s = searchcache[req.query.search] || (await deezerInstance.api.search_album(req.query.search, {
+    s = searchcache[req.query.search+'/'+req.query.index] || (await deezerInstance.api.search_album(req.query.search, {
       limit: config.limits.searchLimit || 15,
-    })).data;
+      index: parseInt(req.query.index as string) || undefined
+    }));
   } catch(err) {
     logger.error((err as Error).toString());
     return res.sendStatus(500);
   }
-  if (!searchcache[req.query.search]) searchcache[req.query.search] = s;
+  searchcache[req.query.search+'/'+req.query.index] = s;
 
-  let format = s.map(s => {
-    return {
+  let format = {
+    next: s.next && s.next.split('=').pop(), // dumb workaround of having to use regexes because i hate regexes
+    total: s.total,
+    data: s.data.map(s => ({
       id: s.id,
       title: s.title,
       cover: s.md5_image,
@@ -32,8 +35,8 @@ router.get('/api/search', async (req, res) => {
         id: s.artist.id,
         name: s.artist.name
       },
-    };
-  });
+    }))
+  };
 
   res.send(format);
 });

src/index.ts

@@ -10,7 +10,7 @@ import { deezerInstance } from './deemix';
 
 export const port = config.server.port || 4500;
 
-export let searchcache: Record<string, [Album]> = {};
+export let searchcache: Record<string, DeezerResponse<[Album]>> = {};
 export let albumcache: Record<string, Album> = {};
 export let trackcache: Record<string, Track> = {};