@signiant/media-shuttle-sdk-base/dist/esm/internal/common/channelproviders/pubnub/PubNubDualChannelProvider.js

The base parent sdk behind other media shuttle sdks (e.g. media-shuttle-sdk)

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/* eslint-disable import/first,@typescript-eslint/no-explicit-any */
/**
 * A PubNub channel provider that operates on two channels (one for publish, one for subscribe).
 */
import MessageChannelProvider from '../MessageChannelProvider';
import PubNub from 'pubnub';
import { LogManager } from '../../../system';
import { v4 as uuid } from 'uuid';
var PubNubDualChannelProvider = /** @class */ (function (_super) {
    __extends(PubNubDualChannelProvider, _super);
    function PubNubDualChannelProvider(params) {
        return _super.call(this, params) || this;
    }
    PubNubDualChannelProvider.prototype.getProviderInfo = function () {
        return 'pubnub';
    };
    PubNubDualChannelProvider.prototype.initialize = function (callback) {
        this._msgCallback = callback;
        this._pubnub = this.initializePubNub();
        this._pubnub.addListener({
            message: this.onMessage.bind(this),
            status: PubNubDualChannelProvider.channelStatusHandler,
        });
        this._pubnub.subscribe({
            channels: [this._channelParams.subchannel],
        });
        LogManager.info("Initialization successful on Subscribe Channel -  ".concat(this._channelParams.subchannel, ", Publish Channel - ").concat(this._channelParams.pubchannel));
    };
    PubNubDualChannelProvider.prototype.onMessage = function (message) {
        LogManager.debug('Message received on channel', message);
        if (this._msgCallback) {
            try {
                this._msgCallback(message.message);
            }
            catch (e) {
                LogManager.warn('PubNubDualChannel cannot handle message', message, e.message);
            }
        }
    };
    PubNubDualChannelProvider.channelStatusHandler = function (message) {
        LogManager.info('Received channel status message:', message);
    };
    PubNubDualChannelProvider.prototype.initializePubNub = function () {
        return new PubNub({
            publishKey: this._channelParams.providerinfo.pubkey,
            subscribeKey: this._channelParams.providerinfo.subkey,
            authKey: this._channelParams.subtoken,
            ssl: this._channelParams.providerinfo.usessl,
            heartbeatInterval: this._channelParams.providerinfo.heartbeat,
            presenceTimeout: this._channelParams.providerinfo.timeout,
            restore: true,
            // logVerbosity: true, //enable this line only if pubnub related logs should be in trace level
            uuid: PubNubDualChannelProvider._identifier,
        });
    };
    PubNubDualChannelProvider.prototype.publish = function (message) {
        return __awaiter(this, void 0, void 0, function () {
            var err_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        _a.trys.push([0, 2, , 3]);
                        return [4 /*yield*/, this._pubnub.publish({
                                channel: this._channelParams.pubchannel,
                                message: message,
                            })];
                    case 1:
                        _a.sent();
                        LogManager.debug("Publish on ".concat(this._channelParams.pubchannel, " successful for message context = ").concat(message['context']));
                        return [3 /*break*/, 3];
                    case 2:
                        err_1 = _a.sent();
                        LogManager.error('Error while publishing message', err_1);
                        throw err_1;
                    case 3: return [2 /*return*/];
                }
            });
        });
    };
    PubNubDualChannelProvider.prototype.unsubscribeFromChannels = function () {
        LogManager.info('unsubscribe from pubnub');
        if (this._pubnub !== null) {
            this._pubnub.unsubscribe({
                channels: [this._channelParams.subchannel, this._channelParams.pubchannel],
            });
        }
    };
    Object.defineProperty(PubNubDualChannelProvider.prototype, "clientInfo", {
        get: function () {
            return this._clientInfo;
        },
        enumerable: false,
        configurable: true
    });
    PubNubDualChannelProvider._identifier = uuid();
    return PubNubDualChannelProvider;
}(MessageChannelProvider));
export default PubNubDualChannelProvider;