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Changed 'startdate' to 'from' in histPrc function and added a callback in Lightstream onItemUpdate function #5

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Changed 'startdate' to 'from' in histPrc function and added a callback in Lightstream onItemUpdate function #5

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d7054e2
Changed 'startdate' to 'from' in histPrc function
sacharbit Apr 15, 2019
b468741
Changed onItemUpdate to send the data to a callback function on Light…
sacharbit Apr 15, 2019
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35 changes: 10 additions & 25 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,7 @@ function login(encryption) {
/**
* Log in (retrive client and session tokens)
* @param {boolean} encryption
* @return {json}
* @return {json}
*/
return new Promise((res, rej) => {
encryption = typeof(encryption) === 'undefined' ? false : encryption;
Expand Down Expand Up @@ -834,18 +834,18 @@ function marketNode(id) {
function histPrc(epic, resolution, from, to) {

/**
* @param {string} epic
* @param {string} epic
* @param {string} resolution
* Permitted values are: DAY, HOUR, HOUR_2, HOUR_3, HOUR_4, MINUTE, MINUTE_10, MINUTE_15, MINUTE_2, MINUTE_3,
* Permitted values are: DAY, HOUR, HOUR_2, HOUR_3, HOUR_4, MINUTE, MINUTE_10, MINUTE_15, MINUTE_2, MINUTE_3,
* MINUTE_30, MINUTE_5, MONTH, SECOND, WEEK
* @param {from} string
* Permitted values are:
* Permitted values are:
* * @param {to} string
* Permitted values are:
*/

return new Promise((res, rej) => {
get('/prices/' + epic + '?resolution=' + resolution + '&startdate=' + from + '&to=' + to, 3)
get('/prices/' + epic + '?resolution=' + resolution + '&from=' + from + '&to=' + to, 3)
.then(r => {
if (r.status !== 200) {
rej(r);
Expand Down Expand Up @@ -1036,14 +1036,14 @@ function connectToLightstreamer() {
}

// Subscribe to lightstreamer
function subscribeToLightstreamer(subscriptionMode, items, fields, maxFreq) {
function subscribeToLightstreamer(subscriptionMode, items, fields, maxFreq, callbackOnUpdate) {
/**
* @param {string} subscriptionMode
* @param {string} subscriptionMode
* Permitted values are: MERGE, DISTINCT, RAW, COMMAND
* @param {array} items
* Array of epics with format: 'L1:'+epics
* @param {fields} fields
* Permitted values are: MID_OPEN, HIGH, LOW, CHANGE, CHANGE_PCT, UPDATE_TIME, MARKET_DELAY, MARKET_STATE, BID, OFFER,
* Permitted values are: MID_OPEN, HIGH, LOW, CHANGE, CHANGE_PCT, UPDATE_TIME, MARKET_DELAY, MARKET_STATE, BID, OFFER,
* STRIKE_PRICE, ODDS
* @param {number} maxFreq
* Number of max updated per second
Expand Down Expand Up @@ -1083,22 +1083,7 @@ function subscribeToLightstreamer(subscriptionMode, items, fields, maxFreq) {
console.log('Update item lost');
},

onItemUpdate: updateInfo => {

str.push(new Date().getTime());

str.push(updateInfo.getItemName().split(':')[1]); // epic without 'L1:'

updateInfo.forEachField((fieldName, fieldPos, value) => {

str.push(value);

});

//str.push(os.EOL);
console.log(str.join(','));
str = [];
}
onItemUpdate: callbackOnUpdate
});

// Subscribe to Lightstreamer
Expand Down Expand Up @@ -1140,4 +1125,4 @@ module.exports = {
connectToLightstreamer: connectToLightstreamer,
subscribeToLightstreamer: subscribeToLightstreamer,
epicDetails: epicDetails
};
};