Add multi-player and remote bridge support

src/web/bootstrap.js

@@ -9,6 +9,7 @@ function createWebBootstrap(options) {
   const pool = options && options.pool;
   const common = options && options.common;
   const configuredPlayerInternalBaseUrl = String(options && options.playerInternalBaseUrl || '').replace(/\/$/, '');
+  const configuredThinClientBaseUrl = String(options && options.thinClientBaseUrl || process.env.THIN_CLIENT_BASE_URL || '').trim().replace(/\/$/, '');
   const uploadDir = String(options && options.uploadDir || '').trim();
   const dashboardRefreshIntervalMs = 5000;
   const formatDashboardDate = options && options.formatDashboardDate;
@@ -25,49 +26,8 @@ function createWebBootstrap(options) {
   const playerSnapshotSockets = new Map();
   let dashboardRefreshInFlight = null;
   let broadcastDashboardState = null;
-  let playerInternalBaseUrl = null;
-  let playerInternalBaseUrlPromise = null;
-
-  async function getPlayerInternalBaseUrl() {
-    if (playerInternalBaseUrl) {
-      return playerInternalBaseUrl;
-    }
-
-    if (playerInternalBaseUrlPromise) {
-      return playerInternalBaseUrlPromise;
-    }
-
-    playerInternalBaseUrlPromise = (async function () {
-      if (!pool) {
-        return configuredPlayerInternalBaseUrl || null;
-      }
-
-      try {
-        const [rows] = await pool.query(
-          `SELECT internal_base_url
-           FROM d_players
-           WHERE device_id = '1'
-           LIMIT 1`
-        );
-        const resolvedBaseUrl = String(rows && rows[0] && rows[0].internal_base_url || '').trim().replace(/\/$/, '');
-        return resolvedBaseUrl || configuredPlayerInternalBaseUrl || null;
-      } catch (_error) {
-        return configuredPlayerInternalBaseUrl || null;
-      }
-    })().then(function (baseUrl) {
-      playerInternalBaseUrl = baseUrl || null;
-      playerInternalBaseUrlPromise = null;
-      return playerInternalBaseUrl;
-    }, function () {
-      playerInternalBaseUrlPromise = null;
-      return configuredPlayerInternalBaseUrl || null;
-    });
-
-    return playerInternalBaseUrlPromise;
-  }
-
-  async function getPlayerSnapshotSocketUrl(slug) {
-    const resolvedPlayerInternalBaseUrl = await getPlayerInternalBaseUrl();
+  function getPlayerSnapshotSocketUrl(slug) {
+    const resolvedPlayerInternalBaseUrl = configuredThinClientBaseUrl || configuredPlayerInternalBaseUrl;
     if (!resolvedPlayerInternalBaseUrl) {
       throw new Error('Unable to resolve the player internal base URL.');
     }
@@ -78,16 +38,6 @@ function createWebBootstrap(options) {
     return url.toString();
   }
 
-  function storePlayerSnapshot(slug, connections) {
-    const normalizedSlug = String(slug || '').trim();
-    const normalizedConnections = Array.isArray(connections) ? connections : [];
-    playerSnapshotCache.set(normalizedSlug, {
-      slug: normalizedSlug,
-      count: normalizedConnections.length,
-      connections: normalizedConnections
-    });
-  }
-
   function clearPlayerSnapshotSocket(slug) {
     const key = String(slug || '').trim();
     playerSnapshotSockets.delete(key);
@@ -100,12 +50,12 @@ function createWebBootstrap(options) {
     }
 
     playerSnapshotSockets.set(key, null);
-    const socketUrlPromise = getPlayerSnapshotSocketUrl(key);
     const authHeaders = createRequestAuthHeaders({
       method: 'GET',
       pathname: `/ws/screens/${encodeURIComponent(key)}/events`
     });
-    socketUrlPromise.then(function (socketUrl) {
+
+    Promise.resolve(getPlayerSnapshotSocketUrl(key)).then(function (socketUrl) {
       const socket = new WebSocket(socketUrl, {
         headers: authHeaders
       });
@@ -117,7 +67,11 @@ function createWebBootstrap(options) {
           if (!payload || payload.type !== 'snapshot' || payload.slug !== key) {
             return;
           }
-          storePlayerSnapshot(key, payload.connections || []);
+          playerSnapshotCache.set(key, {
+            slug: key,
+            count: Array.isArray(payload.connections) ? payload.connections.length : 0,
+            connections: Array.isArray(payload.connections) ? payload.connections : []
+          });
           if (broadcastDashboardState) {
             broadcastDashboardState().catch(function (error) {
               console.error(error);
@@ -151,6 +105,7 @@ function createWebBootstrap(options) {
   const dashboardStateService = createDashboardStateService({
     pool: pool,
     common: common,
+    thinClientBaseUrl: configuredThinClientBaseUrl,
     playerSnapshotCache: playerSnapshotCache,
     playerSnapshotSockets: playerSnapshotSockets,
     ensurePlayerSnapshotSubscription: ensurePlayerSnapshotSubscription,
@@ -259,6 +214,7 @@ function createWebBootstrap(options) {
   return {
     upload: upload,
     uploadSyncService: uploadSyncService,
+    playerInternalBaseUrl: configuredPlayerInternalBaseUrl || null,
     buildDashboardState: buildDashboardState,
     collectUploadReferencesFromSlide: collectUploadReferencesFromSlide,
     collectUploadReferencesFromTemplate: collectUploadReferencesFromTemplate,