Add kiosk launcher downloads and player URL resolution

src/data/screens.js

@@ -50,6 +50,17 @@ async function fetchScreenPlayerUrls(pool) {
   return playerUrls;
 }
 
+async function fetchPlayerPublicBaseUrl(pool) {
+  const [rows] = await pool.query(`
+    SELECT public_base_url
+    FROM d_players
+    WHERE device_id = '1'
+    LIMIT 1
+  `);
+
+  return normalizePlayerBaseUrl(rows[0] && rows[0].public_base_url) || null;
+}
+
 async function fetchScreenPlayerRecord(pool, slug) {
   const [rows] = await pool.query(`
     SELECT p.device_id, p.public_base_url, p.internal_base_url, p.last_seen_at
@@ -103,6 +114,7 @@ module.exports = {
   normalizePlayerBaseUrl,
   buildScreenPlayerUrl,
   fetchScreenPlayerUrls,
+  fetchPlayerPublicBaseUrl,
   fetchScreenPlayerRecord,
   uniqueScreenSlug,
   fetchScreenById,