algotrader
Version:
Algorithmically trade stocks and options using Robinhood, Yahoo Finance, and more.
274 lines (260 loc) • 8.66 kB
JavaScript
const LibraryError = require('../globals/LibraryError');
const Robinhood = require('../broker/robinhood/Robinhood');
const request = require('request');
const cheerio = require('cheerio');
/**
* Find and filter securities based on certain criteria.
*/
class Query {
/**
* Searches for a given symbol based on the given string.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {String} string - Search query.
* @returns {Promise<Array>}
*/
static search(string) {
return new Promise((resolve, reject) => {
request({
uri: 'https://autoc.finance.yahoo.com/autoc?query=' + string + '®ion=1&lang=en'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).ResultSet.Result;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of quotes for the best performing 'x' amount of stocks.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getTopGainers(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query2.finance.yahoo.com/v1/finance/screener/predefined/saved?formatted=false&lang=en-US®ion=US&scrIds=day_gainers&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].quotes;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of quotes for the worst performing 'x' amount of stocks.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getTopLosers(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query2.finance.yahoo.com/v1/finance/screener/predefined/saved?formatted=false&lang=en-US®ion=US&scrIds=day_losers&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].quotes;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of quotes for 'x' amount of stocks with the highest volume today.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getHighestVolume(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query2.finance.yahoo.com/v1/finance/screener/predefined/saved?formatted=false&lang=en-US®ion=US&scrIds=most_actives&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].quotes;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of quotes for options with the highest open interest.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getHighestOpenInterest(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query2.finance.yahoo.com/v1/finance/screener/predefined/saved?formatted=false&lang=en-US®ion=US&scrIds=65f51cea-8dc8-4e56-9f99-6ef7720eb69c&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].quotes;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of quotes for the most actively traded ETFs.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getTopETFs(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query2.finance.yahoo.com/v1/finance/screener/predefined/saved?formatted=false&lang=en-US®ion=US&scrIds=top_etfs_us&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].quotes;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of equities similar to the one given.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {String} symbol
* @returns {Promise<Array>}
*/
static getSimilar(symbol) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query1.finance.yahoo.com/v6/finance/recommendationsbysymbol/' + symbol
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
let result = JSON.parse(body).finance.result[0].recommendedSymbols;
if (result instanceof Array) resolve(result);
else reject(new LibraryError(body));
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of 'x' amount of trending symbols on Yahoo Finance.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} count
* @returns {Promise<Array>}
*/
static getTrendingSymbols(count) {
return new Promise((resolve, reject) => {
request({
uri: 'https://query1.finance.yahoo.com/v1/finance/trending/US?lang=en-US®ion=US&count=' + count + '&corsDomain=finance.yahoo.com'
}, (error, response, body) => {
if (error) reject(error);
else if (response.statusCode !== 200) reject(new LibraryError(body));
else try {
const json = JSON.parse(body).finance.result[0].quotes;
let array = [];
json.forEach(o => {
array.push(o.symbol);
});
resolve(array);
} catch (error) {
reject(error);
}
})
})
}
/**
* Returns an array of objects with information on companies that are reporting earnings within 'x' number of days, along with estimates and call URLs.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {Number} days
* @returns {Promise<Array>}
*/
static getEarnings(days) {
return new Promise((resolve, reject) => {
request({
uri: "https://api.robinhood.com/marketdata/earnings/",
qs: {
range: days + "day"
}
}, (error, response, body) => {
return Robinhood.handleResponse(error, response, body, null, resolve, reject);
})
})
};
/**
* Returns an object containing this company's past and future earnings data.
* @author Torrey Leonard <https://github.com/Ladinn>
* @param {String} symbol
* @returns {Promise<Object>}
*/
static getEarningsBySymbol(symbol) {
return new Promise((resolve, reject) => {
request({
uri: "http://finance.yahoo.com/q/ks?s=",
qs: {
symbol: symbol
}
}, (error, response, body) => {
return Robinhood.handleResponse(error, response, body, null, resolve, reject);
})
})
}
// static getFinancials(symbol) {
// return new Promise((resolve, reject) => {
// request({
// uri: "http://finance.yahoo.com/q/ks",
// qs: {
// s: symbol
// }
// }, (error, response, body) => {
// if (error) reject(error);
// else if (response.statusCode !== 200) reject(new LibraryError(body));
// else {
// let keys = [];
// let data = [];
// const $ = cheerio.load(body);
// const td = $('.table-qsp-stats');
// $(td).each((j, val) => {
// console.log(val);
// keys[j] = $(val).text();
// });
// $(td).each(function(j, val) {
// data[j] = $(val).text();
// });
// resolve(null);
// }
// })
// })
// }
}
module.exports = Query;