Faceapi Meteor.wrapAsync

meteor-facepi-gist.js

/**
 * Created by 4F2E4A2E & Daniel P. on 27.08.2016.
 */
var oxford = require('project-oxford'),
    fs = require('fs');

/**
 * TODO: Require the faceapi's id in order to start the app &/ give the possibility to add one via the ui.
 * @type {oxford.Client}
 */
var client = new oxford.Client('');
/**
 * TODO: Require the person's group id in order to start the app &/ give the possibility to add one via the ui.
 * @type {oxford.Person.Group}
 */
var personGroupId = '';


/**
 * TODO: Pass the error response, correctly.
 * Detects faces on an image, returning random face ids and coordinates of the location of the detected faces.
 * Mind the Gap: The face ids are unique but differs from each detect call to the faceapi. Yep.
 * @param imageData Base64 encode image data. Big thanks to cthrash, https://github.com/felixrieseberg/project-oxford/issues/15#issuecomment-244839202
 * @param callback
 */
var detectAsync = function (imageData, callback) {
    client.face.detect({
        path: getImageData(imageData),
        returnFaceId: true,
        analyzesAge: false,
        analyzesGender: false
    }).then(function (response) {
        callback && callback(null, response);
    }).catch(function (error) {
        callback(null, error);
        return;
    });

}, detectSync = Meteor.wrapAsync(detectAsync);


Meteor.methods({

    checkFaceMatch: function (imageData) {
        console.log('Checking for a face match.');
        var detectedFacesList = detectSync(imageData);
        console.log('detectedFacesList: ' + JSON.stringify(detectedFacesList));

        if (detectedFacesList.errno) {
            return 'Server side error number: ' + detectedFacesList.errno + ' and code: ' + detectedFacesList.code;
        } else if (detectedFacesList.code) {
            return detectedFacesList;
        }

        return person;
    }

});