71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
import { getErrorMessage, } from './helpers';
|
|
var HistoryProvider = /** @class */ (function () {
|
|
function HistoryProvider(datafeedUrl, requester) {
|
|
this._datafeedUrl = datafeedUrl;
|
|
this._requester = requester;
|
|
}
|
|
HistoryProvider.prototype.getBars = function (symbolInfo, resolution, rangeStartDate, rangeEndDate) {
|
|
var _this = this;
|
|
var requestParams = {
|
|
symbol: symbolInfo.ticker || '',
|
|
resolution: resolution,
|
|
from: rangeStartDate,
|
|
to: rangeEndDate,
|
|
};
|
|
if (symbolInfo.currency_code !== undefined) {
|
|
requestParams.currencyCode = symbolInfo.currency_code;
|
|
}
|
|
return new Promise(function (resolve, reject) {
|
|
_this._requester.sendRequest(_this._datafeedUrl, 'history', requestParams)
|
|
.then(function (response) {
|
|
if (response.s !== 'ok' && response.s !== 'no_data') {
|
|
reject(response.errmsg);
|
|
return;
|
|
}
|
|
var bars = [];
|
|
var meta = {
|
|
noData: false,
|
|
};
|
|
if (response.s === 'no_data') {
|
|
meta.noData = true;
|
|
meta.nextTime = response.nextTime;
|
|
}
|
|
else {
|
|
var volumePresent = response.v !== undefined;
|
|
var ohlPresent = response.o !== undefined;
|
|
for (var i = 0; i < response.t.length; ++i) {
|
|
var barValue = {
|
|
time: response.t[i] * 1000,
|
|
close: parseFloat(response.c[i]),
|
|
open: parseFloat(response.c[i]),
|
|
high: parseFloat(response.c[i]),
|
|
low: parseFloat(response.c[i]),
|
|
};
|
|
if (ohlPresent) {
|
|
barValue.open = parseFloat(response.o[i]);
|
|
barValue.high = parseFloat(response.h[i]);
|
|
barValue.low = parseFloat(response.l[i]);
|
|
}
|
|
if (volumePresent) {
|
|
barValue.volume = parseFloat(response.v[i]);
|
|
}
|
|
bars.push(barValue);
|
|
}
|
|
}
|
|
resolve({
|
|
bars: bars,
|
|
meta: meta,
|
|
});
|
|
})
|
|
.catch(function (reason) {
|
|
var reasonString = getErrorMessage(reason);
|
|
// tslint:disable-next-line:no-console
|
|
console.warn("HistoryProvider: getBars() failed, error=" + reasonString);
|
|
reject(reasonString);
|
|
});
|
|
});
|
|
};
|
|
return HistoryProvider;
|
|
}());
|
|
export { HistoryProvider };
|