init: backend

src/download_cover.ts

@@ -0,0 +1,77 @@
+import axios from "axios";
+import fs from "node:fs";
+
+export async function download_image_from_caa(mbid: string) {
+  console.log("[DEBUG]: download_image_from_caa:", mbid);
+  try {
+    const response = await axios.get(
+      `http://coverartarchive.org/release/${mbid}`,
+    );
+    const img_response = await axios.get(
+      response.data.images[0].thumbnails["250"],
+      {
+        responseType: "arraybuffer",
+      },
+    );
+
+    fs.writeFileSync(`public/covers/mb/${mbid}.png`, img_response.data);
+  } catch (error) {
+    console.error("Error fetching data:", error);
+    throw error;
+  }
+}
+
+export async function itunes_cover_url(artist: string, album: string) {
+  artist = (
+    artist.toLowerCase().split(/\s+feat\.?|\s+w\s*|\s+&\s+/)[0] || artist
+  ).trim();
+
+  let query = `${artist} ${album}`
+    .replace(/\([^)]*\)/g, "")
+    .replace(/\[[^\]]*\]/g, "")
+    .replace(/[-_,"':;|]/g, " ")
+    .toLowerCase();
+
+  const apple_music_results = await fetch("https://itunes.apple.com/search", {
+    body: new URLSearchParams({
+      term: query,
+      entity: "song",
+      limit: "10",
+    }),
+    method: "POST",
+  }).then((res) => res.json());
+
+  for (let result of apple_music_results.results) {
+    if (artist == result.artistName.toLowerCase()) {
+      return result.artworkUrl100.replace("100x100bb.jpg", "200x200bb.png");
+    }
+  }
+}
+
+export async function download_image_from_itunes(
+  artist: string,
+  album: string,
+) {
+  console.log("[DEBUG]: download_image_from_itunes:", artist, album);
+  try {
+    const itunes_url = await itunes_cover_url(artist, album);
+
+    if (!itunes_url) {
+      throw new Error(`iTunes URL not found for ${artist} - ${album}`);
+    }
+
+    const artist_dir = `public/covers/itunes/${artist}`;
+    if (!fs.existsSync(artist_dir)) {
+      fs.mkdirSync(artist_dir, { recursive: true });
+    }
+
+    const img_response = await axios.get(itunes_url, {
+      responseType: "arraybuffer",
+    });
+
+    fs.writeFileSync(`${artist_dir}/${album}.png`, img_response.data);
+  } catch (error) {
+    console.error("Error fetching data:", error);
+    throw error;
+  }
+}