pizzarob

function paginate(query = {}, options = {}, callback) {
    const limit = options.limit || 10;
    let page = options.page || 1;

    const countQuery = this.find(query).count();
    return new Promise(resolve => {
        countQuery.exec().then(count => {

            const pages = Math.ceil(count / limit) || 1;

pizzarob

function post(url, data) {
    return new Promise((resolve, reject) => {
        let xhr = new XMLHttpRequest();
        xhr.open('POST', url);
        xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');

        xhr.addEventListener('load', () => {
            let { response, status } = xhr;
            let res = JSON.parse(response);
            if(status >= 200 && status < 400){

pizzarob

schema.statics = {
    getSingleton: function (cb) {
        this.findOne()
            .sort({ updated: -1 })
            .limit(1)
            .exec((err, model) => {
                if (err) {
                    cb(err, null);
                } else if (!model) {
                    cb(err, new this());

pizzarob

const dataURItoBlob = (dataURI, type) => {
    const byteString = atob(dataURI.split(',')[1]);
    const ab = new ArrayBuffer(byteString.length);
    const ia = new Uint8Array(ab);
    for (let i = 0; i < byteString.length; i++) {
        ia[i] = byteString.charCodeAt(i);
    }

    return new Blob([ab], {
        type

pizzarob

import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';

const ANIMATION_DURATION = 1000;

class BatchDropZone extends React.Component {

  static propTypes = {