sofya.transcription
Version:
a JavaScript library that provides a robust and flexible solution for real-time audio transcription. It is designed to transcribe audio streams and can be easily integrated into web applications.
154 lines • 8.41 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.TranscriptionServiceFactory = void 0;
var OracleTranscriptionAdapter_1 = require("./adapters/OracleTranscriptionAdapter");
var WhisperTranscriptionAdapter_1 = require("./adapters/WhisperTranscriptionAdapter");
var websocketSecurity_1 = require("../../utils/websocketSecurity");
// import { WhisperVadTranscriptionAdapter } from "./adapters/WhisperVadTranscriptionAdapter";
var languageSelector = function (language) {
switch (language) {
case 'pt-BR':
return "portuguese";
case 'en-US':
return "english";
case 'es-ES':
return "spanish";
default:
return "multilingual";
}
};
var TranscriptionServiceFactory = /** @class */ (function () {
function TranscriptionServiceFactory() {
}
TranscriptionServiceFactory.create = function (provider, config) {
return __awaiter(this, void 0, void 0, function () {
var _a, websocketOptions, finalUrl, ws;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = provider;
switch (_a) {
case "sofya_compliance": return [3 /*break*/, 1];
case "oracle": return [3 /*break*/, 1];
case "sofya_as_service": return [3 /*break*/, 2];
case "stt_wvad": return [3 /*break*/, 2];
case "sofya_whisper_flow": return [3 /*break*/, 2];
}
return [3 /*break*/, 5];
case 1: return [2 /*return*/, new OracleTranscriptionAdapter_1.OracleTranscriptionAdapter(config)];
case 2:
if (!config.endpoint.endpoint) return [3 /*break*/, 4];
websocketOptions = config.websocketOptions;
finalUrl = this.buildWebSocketUrl(config.endpoint.endpoint, config.language, config.translation_lang, websocketOptions);
return [4 /*yield*/, this.connectToWebSocket(finalUrl, websocketOptions === null || websocketOptions === void 0 ? void 0 : websocketOptions.protocols)];
case 3:
ws = _b.sent();
// if (provider === "stt_wvad") {
return [2 /*return*/, new WhisperTranscriptionAdapter_1.WhisperTranscriptionAdapter(__assign(__assign({}, config), { ws: ws }))];
case 4: throw new Error("Endpoint missing for Whisper provider.");
case 5: throw new Error("Provider não suportado");
}
});
});
};
/**
* Builds the WebSocket URL with validated query parameters
* @param endpoint - Base WebSocket endpoint
* @param language - Transcription language
* @param translationLang - Translation language (optional)
* @param websocketOptions - Custom WebSocket options (optional)
* @returns Final validated URL
*/
TranscriptionServiceFactory.buildWebSocketUrl = function (endpoint, language, translationLang, websocketOptions) {
var url = new URL(endpoint);
var validator = new websocketSecurity_1.WebSocketSecurityValidator();
// Add internal params first (these always take precedence)
if (language) {
url.searchParams.set('transcription_language', languageSelector(language));
}
if (translationLang) {
url.searchParams.set('translation_language', languageSelector(translationLang));
}
// Add custom query params if provided
if (websocketOptions === null || websocketOptions === void 0 ? void 0 : websocketOptions.queryParams) {
var validatedParams = validator.validateQueryParams(websocketOptions.queryParams);
for (var _i = 0, _a = Object.entries(validatedParams); _i < _a.length; _i++) {
var _b = _a[_i], key = _b[0], value = _b[1];
url.searchParams.set(key, value);
}
}
var finalUrl = url.toString();
// Check final URL length
validator.checkUrlLength(finalUrl);
return finalUrl;
};
/**
* Connects to a WebSocket endpoint with optional protocols
* @param endpoint - WebSocket URL
* @param protocols - Optional WebSocket protocols
* @returns Promise that resolves to connected WebSocket
*/
TranscriptionServiceFactory.connectToWebSocket = function (endpoint, protocols) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
var ws = protocols
? new WebSocket(endpoint, protocols)
: new WebSocket(endpoint);
ws.onopen = function () { return resolve(ws); };
ws.onerror = function (error) { return reject(new Error("WebSocket connection failed: ".concat(endpoint))); };
})];
});
});
};
return TranscriptionServiceFactory;
}());
exports.TranscriptionServiceFactory = TranscriptionServiceFactory;
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