@gotake/gotake-sdk
Version:
SDK for interacting with GoTake blockchain contracts
182 lines (181 loc) • 8.09 kB
JavaScript
;
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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Object.defineProperty(exports, "__esModule", { value: true });
exports.StatusTracker = void 0;
/**
* Status tracker for video processing
*/
var eventEmitter_1 = require("./eventEmitter");
var types_1 = require("../types");
var StatusTracker = /** @class */ (function () {
function StatusTracker() {
this.videoStatuses = new Map();
this.activePolls = new Map();
this.emitter = new eventEmitter_1.EventEmitter();
}
/**
* Get StatusTracker singleton instance
*/
StatusTracker.getInstance = function () {
if (!StatusTracker.instance) {
StatusTracker.instance = new StatusTracker();
}
return StatusTracker.instance;
};
/**
* Update status of a video
* @param videoId Video ID
* @param status New status information
*/
StatusTracker.prototype.updateStatus = function (videoId, status) {
var currentStatus = this.videoStatuses.get(videoId) || {
id: videoId,
status: types_1.VideoStatus.UPLOADING,
updated_at: new Date().toISOString()
};
var newStatus = __assign(__assign(__assign({}, currentStatus), status), { updated_at: new Date().toISOString() });
this.videoStatuses.set(videoId, newStatus);
this.emitter.emit("status:".concat(videoId), newStatus);
};
/**
* Get current status of a video
* @param videoId Video ID
* @returns Status information or undefined if not found
*/
StatusTracker.prototype.getStatus = function (videoId) {
return this.videoStatuses.get(videoId);
};
/**
* Subscribe to status updates for a video
* @param videoId Video ID
* @param callback Function to call when status changes
* @returns Subscription object
*/
StatusTracker.prototype.subscribe = function (videoId, callback) {
// Send current status immediately if available
var currentStatus = this.getStatus(videoId);
if (currentStatus) {
setTimeout(function () { return callback(currentStatus); }, 0);
}
// Subscribe to future updates
return this.emitter.on("status:".concat(videoId), callback);
};
/**
* Start polling for status updates
* @param videoId Video ID
* @param statusFetcher Function to fetch the latest status
* @param options Polling options
* @returns Poll controller
*/
StatusTracker.prototype.startPolling = function (videoId, statusFetcher, options) {
var _this = this;
// Clear any existing poll for this video
this.stopPolling(videoId);
var interval = options.interval || 5000; // Default: 5 seconds
// Define poll function
var poll = function () { return __awaiter(_this, void 0, void 0, function () {
var status_1, timeoutId, error_1, timeoutId;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, statusFetcher()];
case 1:
status_1 = _a.sent();
this.updateStatus(videoId, status_1);
// Call callback
options.callback(status_1);
// Check stop condition
if (options.stopCondition && options.stopCondition(status_1)) {
this.stopPolling(videoId);
return [2 /*return*/];
}
timeoutId = setTimeout(poll, interval);
this.activePolls.set(videoId, timeoutId);
return [3 /*break*/, 3];
case 2:
error_1 = _a.sent();
console.error("Error polling status for video ".concat(videoId, ":"), error_1);
timeoutId = setTimeout(poll, interval);
this.activePolls.set(videoId, timeoutId);
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); };
// Start polling
poll();
// Return controller
return {
stop: function () { return _this.stopPolling(videoId); }
};
};
/**
* Stop polling for a video
* @param videoId Video ID
*/
StatusTracker.prototype.stopPolling = function (videoId) {
var timeoutId = this.activePolls.get(videoId);
if (timeoutId) {
clearTimeout(timeoutId);
this.activePolls.delete(videoId);
}
};
/**
* Clear all data for a video
* @param videoId Video ID
*/
StatusTracker.prototype.clearVideo = function (videoId) {
this.stopPolling(videoId);
this.videoStatuses.delete(videoId);
this.emitter.removeAllListeners("status:".concat(videoId));
};
return StatusTracker;
}());
exports.StatusTracker = StatusTracker;