phone-book.js

'use strict';

var phoneBook = [];

function UserData(name, phone, email) {
    this.name = name;
    this.phone = phone;
    this.email = email;
}

module.exports.add = function add(name, phone, email) {
    if (isDataCorrect(name, phone, email)) {
        phoneBook.push(new UserData(name, phone, email));
        console.log('** Запись ' + name + ' добавлена');
        return true;
    } else {
        console.log('** Невозможно добавить запись. Запись ' + name + ' некорректна.\n');
        return false;
    }
};

function isQueryInData (currentContact, query) {
    query = query.toLowerCase();
    for(var propetry in currentContact) {
        if (currentContact[propetry].toLowerCase().indexOf(query) > -1) {
            return true;
        }
    };
    return false;
}

function findIndexes(query) {
    var goodIndexes = [];
    phoneBook.forEach(function (item, i, phoneBook) {
        if (isQueryInData(item, query)) {
            goodIndexes.push(i);
        };
    });
    return goodIndexes;
};

module.exports.find = function find(query) {
    query = query || '';
    if (query === '') {
        for (var i = 0; i < phoneBook.length; i++) {
            printLine(i);
        };
    } else {
        var indexes = findIndexes(query);
        for (var item = 0; item < indexes.length; item++) {
            printLine(indexes[item]);
        };
    }
};

module.exports.remove = function remove(query) {
    query = query || '';
    var indexes = findIndexes(query);
    indexes = indexes.reverse();
    for (var i = 0; i < indexes.length; i++) {
        phoneBook.splice(indexes[i], 1);
    };
    console.log('** Удален(ы) ' + indexes.length + ' контакта(ов)\n');
};

module.exports.importFromCsv = function importFromCsv(filename) {
    var data = require('fs').readFileSync(filename, 'utf-8');
    var counter = 0;
    data = data.split('\n');
    for (var i = 0; i < data.length; i++) {
        var tmp = data[i].split(';');
        if (module.exports.add(tmp[0], tmp[1], tmp[2])) {
            counter++;
        };
    };
    console.log('** Импортировано ' + counter + ' контактов из ' + filename + '.\n');
};

module.exports.showTable = function showTable(filename) {

};

function printLine(index) {
    console.log(phoneBook[index].name +
    ', ' + phoneBook[index].phone +
    ', ' + phoneBook[index].email);
}

var PHONE_REGEXP = /^\+?\d{1,11} ?-?((\(\d{3}\))|(\d{3})) ?-?\d{1,3} ?-?\d{1,3} ?-?\d{1,3}$/;
var EMAIL_REGEXP = /^\w*\@[\-a-zA-Zа-яА-Я]+(\.[\-a-zA-Zа-яА-Я]{2,})+$/;

function isDataCorrect(name, phone, email) {
    return EMAIL_REGEXP.test(email) && PHONE_REGEXP.test(phone);
};