marketdata-api/lib/server.js

OData server. Get market data from crypto exchanges open REST API.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const event_stream_1 = __importDefault(require("event-stream"));
const get_candles_1 = require("get-candles");
const odata_v4_server_1 = require("odata-v4-server");
const connect_1 = __importDefault(require("./connect"));
const Candle_1 = require("./controllers/Candle");
let MarketDataServer = class MarketDataServer extends odata_v4_server_1.ODataServer {
    importData(body) {
        return __awaiter(this, void 0, void 0, function* () {
            const { exchange, currency, asset, period, begin, end } = body;
            const db = yield connect_1.default();
            const collection = db.collection("candle");
            return new Promise(resolve => {
                // UNDONE сначала удалить
                const rs = get_candles_1.streamCandle({
                    exchange,
                    currency,
                    asset,
                    period,
                    start: begin,
                    end
                }).pipe(event_stream_1.default.map((chunk, next) => {
                    const candles = JSON.parse(chunk).map(e => Object.assign(e, {
                        exchange,
                        currency,
                        asset,
                        period
                    }));
                    collection.insertMany(candles, next);
                }));
                rs.on("end", () => resolve());
            });
        });
    }
};
__decorate([
    odata_v4_server_1.Edm.ActionImport(),
    __param(0, odata_v4_server_1.odata.body)
], MarketDataServer.prototype, "importData", null);
MarketDataServer = __decorate([
    odata_v4_server_1.odata.cors,
    odata_v4_server_1.odata.namespace("MarketData"),
    odata_v4_server_1.odata.controller(Candle_1.CandleController, true)
], MarketDataServer);
exports.MarketDataServer = MarketDataServer;
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