emotiv-ts/src/services/marker.service.js

A Typescript library that wraps the Cortex API functionalities to communicate with Emotiv headsets

import { EmotivService } from "./emotiv.service";
import { RecordService } from "./record.service";
import { AuthenticationService } from "./authentication.service";
import { SessionService } from "./session.service";
import { Requests } from "../enums/internal/emotiv.requests";
import { InjectMarker } from "../models/requests/markers/inject-marker";
export class MarkerService {
    socket;
    emotivService;
    recordService;
    constructor(socket, application) {
        this.socket = socket;
        this.emotivService = new EmotivService(this.socket.url, application);
        this.recordService = new RecordService(this.socket);
    }
    addMarker() {
        let context = this;
        this.socket.onopen = async () => {
            await this.emotivService.connect();
            let recordName = 'test_marker';
            await this.recordService.startRecord(recordName);
            let numberOfMarker = 10;
            for (let numMarker = 0; numMarker < numberOfMarker; numMarker++) {
                setTimeout(async function () {
                    let markerLabel = `marker_number_${numMarker}`;
                    let markerTime = Date.now();
                    let marker = {
                        label: markerLabel,
                        value: "test",
                        port: "Software",
                        time: markerTime
                    };
                    await context.injectMarker(marker.label, marker.value, marker.port, marker.time);
                }, 3000);
            }
            //await thisStopRecord.stopRecord(thisStopRecord.authToken, thisStopRecord.sessionId, recordName)
        };
    }
    injectMarker(label, value, port, time) {
        let context = this;
        let authToken = AuthenticationService.getAuthToken();
        let sessionId = SessionService.getSessionId();
        let injectMarkerRequest = new InjectMarker(authToken, sessionId, time, value, label, port);
        return new Promise(function (resolve, reject) {
            context.socket.send(JSON.stringify(injectMarkerRequest));
            context.socket.onmessage = (message) => {
                try {
                    if (JSON.parse(message.data)['id'] == Requests.INJECT_MARKER_REQUEST) {
                        console.log('INJECT MARKER RESULT --------------------------------');
                        console.log(message.data);
                        resolve(message.data);
                    }
                }
                catch (error) {
                    console.error(error);
                }
            };
        });
    }
}