fontend-app/lib/JsApi/Datafeed.js

"use strict";

function Datafeed(vue) {
  this.vue = vue;
}

Datafeed.prototype.onReady = function (callback) {
  setTimeout(function () {
    callback({
      supports_search: false,
      supports_group_request: true,
      supported_resolutions: [1, 5, 15, 30, 60, 240, 720, 'D', '2D', 'W', 'M'],
      supports_marks: true,
      supports_timescale_marks: true,
      supports_time: true
    });
  }, 500);
};

Datafeed.prototype.searchSymbols = function (userInput, exchange, symbolType, onResultReadyCallback) {};

Datafeed.prototype.resolveSymbol = function (symbolName, onSymbolResolvedCallback, onResolveErrorCallback) {
  var _this = this;

  new Promise(function () {
    setTimeout(function () {
      onSymbolResolvedCallback(_this.vue.billinfo());
    }, 500);
  });
};

Datafeed.prototype.getBars = function (symbolInfo, resolution, from, to, onHistoryCallback, onErrorCallback, firstDataRequest) {
  this.vue.interval = resolution;

  var onDataCallback = function onDataCallback(data) {
    if (data && data.length) {
      onHistoryCallback(data, {
        noData: false
      });
    } else {
      onHistoryCallback([], {
        noData: true
      });
    }
  };

  this.vue.getBars(symbolInfo, resolution, from, to, onHistoryCallback, onDataCallback);
};

Datafeed.prototype.subscribeBars = function (symbolInfo, resolution, onRealtimeCallback, subscriberUID, onResetCacheNeededCallback) {
  this.vue.subscribeBars(onRealtimeCallback);
};

Datafeed.prototype.unsubscribeBars = function () {// clearInterval(this.vue.subInterval);
  // this.vue.subObjMarket.unsubscribe();
};

Datafeed.prototype.calculateHistoryDepth = function (resolution, resolutionBack, intervalBack) {
  localStorage.setItem('resolution', resolution);
  return {
    resolutionBack: 'M',
    intervalBack: 24
  };
};

Datafeed.prototype.getMarks = function (symbolInfo, startDate, endDate, onDataCallback, resolution) {};

Datafeed.prototype.getTimescaleMarks = function (symbolInfo, startDate, endDate, onDataCallback, resolution) {};

Datafeed.prototype.getServerTime = function (callback) {}; // export default Datafeed;