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Кужелев Евгений #33

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askeip wants to merge 10 commits into urfu-2016:master from askeip:master
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25 changes: 14 additions & 11 deletions index.js
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,23 +3,26 @@
var phoneBook = require('./phone-book');

// Эти записи добавятся, вернется true
phoneBook.add('5554440044', 'Григорий', 'grisha@example.com');
phoneBook.add('5552220022', 'Борис', 'boris@example.com');
phoneBook.add('5551110011', 'Алекс');
phoneBook.add('5553330033', 'Валерий', 'valera@example.com');
console.info(phoneBook.add('5554440044', '', ''));
console.info(phoneBook.add('5552220022', 'Борис', 'boris@example.com'));
console.info(phoneBook.add('5551110011', 'Алекс'));
console.info(phoneBook.add('5553330033', 'Валерий', 'valera@example.com'));

// Эти запись не добавятся
phoneBook.add('3330033', 'Неизвестный', 'unknown@example.com');
phoneBook.add('5551110011', 'Алексей');
phoneBook.add('5555550055');
console.info(phoneBook.add('3330033', 'Неизвестный', 'unknown@example.com'));
console.info(phoneBook.add('5551110011', 'Алексей'));
console.info(phoneBook.add('5555550055'));

// Обновление
phoneBook.update('5551110011', 'Алексей', 'alex@example.com');
phoneBook.update('5553330033', 'Валерий');


// В следующих примерах вернутся все записи
console.info(phoneBook.find('*'));
console.info(phoneBook.find(''));
// phoneBook.find('*');
console.info(phoneBook.find('555'));
// phoneBook.find('555');
// Вывод будет следующий
// [
// 'Алексей, +7 (555) 111-00-11, alex@example.com',
Expand All @@ -29,16 +32,16 @@ console.info(phoneBook.find('555'));
// ]

// Удаление
phoneBook.findAndRemove('@'); // returns 3
console.info(phoneBook.findAndRemove('')); // returns 3

if (phoneBook.isStar) {
// Импортируем из csv
var csv = [
'Борис;5552220022;boris@example.com',
'Борис;5552220022',
'Григорий;5554440044;grisha@example.com',
'Алексей;5551110011;alex@example.com',
'Валерий;5553330033;valera@example.com',
'Неизвестный;3330033;unknown@example.com'
].join('\n');
phoneBook.importFromCsv(csv); // returns 4
console.info(phoneBook.importFromCsv(csv)); // returns 4
}
221 changes: 214 additions & 7 deletions phone-book.js
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,42 +9,214 @@ exports.isStar = true;
/**
* Телефонная книга
*/
var phoneBook;
var phoneBook = []; /* {phone: string, name: string, (email: string)*/

/**
* Добавление записи в телефонную книгу
* @param {String} phone
* @param {String} name
* @param {String} email
* @returns {boolean}
*/
var phoneReg = /\d+/;
exports.add = function (phone, name, email) {
if (addNote(phone, name, email)) {
phoneBook.sort(compareByName);

return true;
}

return false;
};

function addNote(phone, name, email) {
if (!isCorrectPhone(phone) || phoneBook.some(isPhoneInBook, phone) || !isCorrectName(name)) {
return false;
}
phoneBook.push(createPhoneBookObject(phone, name, email));

return true;
}

function isCorrectPhone(phone) {
return phone !== undefined && phone.length === 10 && phoneReg.exec(phone)[0].length === 10;
}

function isCorrectName(name) {
return name !== undefined && name.length !== 0;
}

function compareByName(note1, note2) {
return note1.name.localeCompare(note2.name);
}

function createPhoneBookObject(phone, name, email) {
var phoneBookObj = { phone: phone, name: name };
if (email !== undefined) {
phoneBookObj.email = email;
}

return phoneBookObj;
}

/** @this isPhoneInBook
* @param {String} element
* @returns {boolean}
*/
function isPhoneInBook(element) {
return isEquals(element.phone, this);
}

function isEquals(item1, item2) {
return item1 === item2;
}

/**
* Обновление записи в телефонной книге
* @param {String} phone
* @param {String} name
* @param {String} email
* @returns {boolean}
*/
exports.update = function (phone, name, email) {
if (updateNote(phone, name, email)) {
phoneBook.sort(compareByName);

return true;
}

return false;
};

function updateNote(phone, name, email) {
if (!isCorrectPhone(phone) || !isCorrectName(name)) {
return false;
}
for (var i = 0; i < phoneBook.length; i++) {
if (phoneBook[i].phone === phone) {
phoneBook[i] = createPhoneBookObject(phone, name, email);

return true;
}
}

return false;
}

/**
* Удаление записей по запросу из телефонной книги
* Поиск записей по запросу в телефонной книге
* @param {String} query
* @returns {Array}
*/
exports.findAndRemove = function (query) {

exports.find = function (query) {
return findCorrectNotes(query, isNoteInBook).map(stylizeNote);
};

/**
* Поиск записей по запросу в телефонной книге
* @param {Object} note
* @returns {String}
*/
function stylizeNote(note) {
var stylizedNote = '';
stylizedNote += note.name + ', ';
stylizedNote += stylizePhoneNumber(note.phone);
if (note.hasOwnProperty('email')) {
stylizedNote += ', ' + note.email;
}

return stylizedNote;
}

/**
* @param {String} phone
* @returns {String}
*/
function stylizePhoneNumber(phone) {
return '+7 (' + phone.slice(0, 3) + ') ' + stylizeLastSevenNumbers(phone);
}

/**
* @param {String} phone
* @returns {String}
*/
function stylizeLastSevenNumbers(phone) {
var result = '';
var indexes = [3, 6, 8];
for (var i = 0; i < indexes.length; i++) {
if (i !== indexes.length - 1) {
result += phone.slice(indexes[i], indexes[i + 1]) + '-';
} else {
result += phone.slice(indexes[i], phone.length);
}
}

return result;
}

/**
* @param {String} query
* @param {Function} filterFunc
* @returns {Array}
*/
exports.find = function (query) {
function findCorrectNotes(query, filterFunc) {
if (isQueryEmpty(query)) {
return [];
}
if (query === '*') {
query = '';
}

return phoneBook.filter(filterFunc, query);
}

/**
* @param {String} query
* @returns {boolean}
*/
function isQueryEmpty(query) {
return !query || query.length === 0;
}

/**
* @this isNoteInBook
* @param {Object} item
* @param {String} query
* @returns {boolean}
*/
function isNoteInBook(item, query) {
if (typeof query === 'number') {
query = this;
}
for (var key in item) {
if (item[key].indexOf(query) !== -1) {
return true;
}
}

return false;
}

/**
* @this isNotNoteInBook
* @param {Object} item
* @returns {boolean}
*/
function isNotNoteInBook(item) {
return !isNoteInBook(item, this);
}

/**
* Удаление записей по запросу из телефонной книги
* @param {String} query
* @returns {Number}
*/
exports.findAndRemove = function (query) {
var oldPhoneBookLength = phoneBook.length;
if (!isQueryEmpty(query)) {
phoneBook = findCorrectNotes(query, isNotNoteInBook);
}

return oldPhoneBookLength - phoneBook.length;
};

/**
Expand All @@ -57,6 +229,41 @@ exports.importFromCsv = function (csv) {
// Парсим csv
// Добавляем в телефонную книгу
// Либо обновляем, если запись с таким телефоном уже существует
var notesArray = csv.split('\n');
var result = notesArray.reduce(countSuccessfulAddsOrUpdates, 0);
phoneBook.sort(compareByName);

return csv.split('\n').length;
return result;
};

/**
* @param {Number} acc
* @param {String} item
* @returns {Number}
*/
function countSuccessfulAddsOrUpdates(acc, item) {
if (addOrUpdate(item)) {
acc++;
}

return acc;
}

/**
* @param {String} note
* @returns {boolean}
*/
function addOrUpdate(note) {
var parsedNote = note.split(';');
if (parsedNote.length > 3) {
return false;
}
var name = parsedNote[0];
var phone = parsedNote[1];
var email = parsedNote[2];
if (!updateNote(phone, name, email)) {
return addNote(phone, name, email);
}

return true;
}

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