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2026-08-09 06:54:43 +08:00 · 2026-02-12 08:11:37 +00:00
parent 47fa783913
commit b33ef907d4
2029 changed files with 53320 additions and 0 deletions
@@ -0,0 +1,62 @@
+import { getErrorMessage, logMessage, } from './helpers';
+export class QuotesPulseProvider {
+    constructor(quotesProvider) {
+        this._subscribers = {};
+        this._requestsPending = 0;
+        this._timers = null;
+        this._quotesProvider = quotesProvider;
+    }
+    subscribeQuotes(symbols, fastSymbols, onRealtimeCallback, listenerGuid) {
+        this._subscribers[listenerGuid] = {
+            symbols: symbols,
+            fastSymbols: fastSymbols,
+            listener: onRealtimeCallback,
+        };
+        this._createTimersIfRequired();
+        logMessage(`QuotesPulseProvider: subscribed quotes with #${listenerGuid}`);
+    }
+    unsubscribeQuotes(listenerGuid) {
+        delete this._subscribers[listenerGuid];
+        if (Object.keys(this._subscribers).length === 0) {
+            this._destroyTimers();
+        }
+        logMessage(`QuotesPulseProvider: unsubscribed quotes with #${listenerGuid}`);
+    }
+    _createTimersIfRequired() {
+        if (this._timers === null) {
+            const fastTimer = window.setInterval(this._updateQuotes.bind(this, 1 /* SymbolsType.Fast */), 10000 /* UpdateTimeouts.Fast */);
+            const generalTimer = window.setInterval(this._updateQuotes.bind(this, 0 /* SymbolsType.General */), 60000 /* UpdateTimeouts.General */);
+            this._timers = { fastTimer, generalTimer };
+        }
+    }
+    _destroyTimers() {
+        if (this._timers !== null) {
+            clearInterval(this._timers.fastTimer);
+            clearInterval(this._timers.generalTimer);
+            this._timers = null;
+        }
+    }
+    _updateQuotes(updateType) {
+        if (this._requestsPending > 0) {
+            return;
+        }
+        // eslint-disable-next-line guard-for-in
+        for (const listenerGuid in this._subscribers) {
+            this._requestsPending++;
+            const subscriptionRecord = this._subscribers[listenerGuid];
+            this._quotesProvider.getQuotes(updateType === 1 /* SymbolsType.Fast */ ? subscriptionRecord.fastSymbols : subscriptionRecord.symbols)
+                .then((data) => {
+                this._requestsPending--;
+                if (!this._subscribers.hasOwnProperty(listenerGuid)) {
+                    return;
+                }
+                subscriptionRecord.listener(data);
+                logMessage(`QuotesPulseProvider: data for #${listenerGuid} (${updateType}) updated successfully, pending=${this._requestsPending}`);
+            })
+                .catch((reason) => {
+                this._requestsPending--;
+                logMessage(`QuotesPulseProvider: data for #${listenerGuid} (${updateType}) updated with error=${getErrorMessage(reason)}, pending=${this._requestsPending}`);
+            });
+        }
+    }
+}