Add multi-player and remote bridge support

src/data/screens.js

@@ -13,6 +13,27 @@ function normalizePlayerBaseUrl(value) {
   return String(value || '').trim().replace(/\/$/, '');
 }
 
+function getConfiguredPlayerIdentifier() {
+  return String(process.env.PLAYER_IDENTIFIER || process.env.PLAYER_DEVICE_ID || '').trim() || null;
+}
+
+async function fetchPlayerRecordByIdentifier(pool, identifier) {
+  const normalizedIdentifier = String(identifier || '').trim();
+  if (!normalizedIdentifier) {
+    return null;
+  }
+
+  const [rows] = await pool.query(
+    `SELECT id, identifier, public_base_url, internal_base_url, last_seen_at
+     FROM d_players
+     WHERE identifier = ?
+     LIMIT 1`,
+    [normalizedIdentifier]
+  );
+
+  return rows[0] || null;
+}
+
 function buildScreenPlayerUrl(screen, fallbackBaseUrl) {
   const slug = String(screen && screen.slug || '').trim();
   if (!slug) {
@@ -28,20 +49,21 @@ function buildScreenPlayerUrl(screen, fallbackBaseUrl) {
 }
 
 async function fetchScreenPlayerUrls(pool) {
+  const playerBaseUrl = await fetchPlayerPublicBaseUrl(pool);
+  if (!playerBaseUrl) {
+    return {};
+  }
+
   const [rows] = await pool.query(`
-    SELECT s.slug, p.public_base_url
-    FROM d_screens s
-    LEFT JOIN d_players p ON p.device_id = s.player_id
-    WHERE p.public_base_url IS NOT NULL
-      AND TRIM(p.public_base_url) <> ''
-    ORDER BY p.modified_at DESC, s.slug ASC
+    SELECT slug
+    FROM d_screens
+    ORDER BY slug ASC
   `);
 
   const playerUrls = {};
   rows.forEach(function (row) {
     const slug = String(row && row.slug || '').trim();
-    const publicBaseUrl = normalizePlayerBaseUrl(row && row.public_base_url);
-    const playerUrl = buildScreenPlayerUrl({ slug: slug }, publicBaseUrl);
+    const playerUrl = buildScreenPlayerUrl({ slug: slug }, playerBaseUrl);
     if (slug && playerUrl && !playerUrls[slug]) {
       playerUrls[slug] = playerUrl;
     }
@@ -51,27 +73,32 @@ async function fetchScreenPlayerUrls(pool) {
 }
 
 async function fetchPlayerPublicBaseUrl(pool) {
+  const configuredPlayerIdentifier = getConfiguredPlayerIdentifier();
   const [rows] = await pool.query(`
     SELECT public_base_url
     FROM d_players
-    WHERE device_id = '1'
+    WHERE identifier = ?
     LIMIT 1
-  `);
+  `, [configuredPlayerIdentifier]);
 
   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
-    FROM d_screens s
-    JOIN d_players p ON p.device_id = s.player_id
-    WHERE s.slug = ?
-    ORDER BY p.modified_at DESC, p.device_id ASC
-    LIMIT 1
-  `, [slug]);
+  if (slug) {
+    const [rows] = await pool.query(
+      `SELECT slug
+       FROM d_screens
+       WHERE slug = ?
+       LIMIT 1`,
+      [slug]
+    );
+    if (!rows.length) {
+      return null;
+    }
+  }
 
-  return rows[0] || null;
+  return fetchPlayerRecordByIdentifier(pool, getConfiguredPlayerIdentifier());
 }
 
 async function uniqueScreenSlug(pool, baseSlug, excludeId) {
@@ -112,6 +139,8 @@ async function fetchScreenEditData(pool) {
 module.exports = {
   slugify,
   normalizePlayerBaseUrl,
+  getConfiguredPlayerIdentifier,
+  fetchPlayerRecordByIdentifier,
   buildScreenPlayerUrl,
   fetchScreenPlayerUrls,
   fetchPlayerPublicBaseUrl,