Начну с предыстории самого проекта. Мысль пришла в голову совершенно случайно — мне явно не хватало для работы над своими проектами какой-то дополнительной ответственности. Вот и решил создать портал, где я смог бы стимулировать собственную мотивацию, публично рискуя репутацией и деньгами.
Ну а теперь перейду к делу. Тема обширная, но я надеюсь, что на выходе у меня получится донести картину целиком и вспомнить все подводные камни, которые всплыли до момента создания проекта. Я буду указывать все первоисточники, которые я использовал, чтобы помочь тем, кто хочет написать своё приложение на angular. Да, собственно, все желающие смогут найти ответы на большинство интересующих их вопросов по данной теме в одном цикле статей.
Я давно уже лелеял мысль апробировать material.angularjs.org на каком-то боевом проекте. Тут возникла идея и я решился… С виду всё казалось довольно просто — набор готовых компонентов = быстрая разработка, на backend знакомый Yii и… Но я не рассчитывал, что маленькое приложение окажется немного больше, чем планировалось вначале, и предстоит такая возня с веб-сервером. Как говорится, упс…
Началось всё с конфигурации nginx. Получалось, что все запросы, кроме REST location, мне надо было перенаправлять на index.html, где у меня и начинал отрабатывать angular. Выглядела первая конфигурация примерно так:
server {
charset utf-8;
listen 80;
server_name truemania.ru;
root /path/to/root;
access_log /path/to/root/log/access.log;
error_log /path/to/root/log/error.log;
location / {
# Angular app conf
root /path/to/root/frontend/web;
try_files $uri $uri/ /index.html =404;
}
location ~* \.php$ {
include fastcgi_params;
#fastcgi_pass 127.0.0.1:9000;
fastcgi_pass unix:/var/run/php5-fpm.sock;
try_files $uri =404;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
}
# avoid processing of calls to non-existing static files by Yii (uncomment if necessary)
location ~* \.(css|js|jpg|jpeg|png|gif|bmp|ico|mov|swf|pdf|zip|rar)$ {
try_files $uri =404;
}
location ~* \.(htaccess|htpasswd|svn|git) {
deny all;
}
location /api-location {
client_max_body_size 2000M;
alias /path/to/root/frontend/web;
try_files $uri /frontend/web/index.php?$args;
location ~* ^/api-location/(.+\.php)$ {
try_files $uri /frontend/web/$1?$args;
}
}
}
Здесь всё наше API находится по locationapi-location. Конфигурация angular $routeProvider:
app.config(['$routeProvider', '$locationProvider', function ($routeProvider, $locationProvider) {
$routeProvider.
when('/route1', {
templateUrl: '/views/route1.html',
controller: 'route1Ctrl'
}).
when('/route2', {
templateUrl: '/views/route2.html',
controller: 'route2Ctrl'
}).
when('/route3', {
templateUrl: '/views/route3.html',
controller: 'route3Ctrl'
}).
otherwise({
redirectTo: '/route1'
});
// use the HTML5 History API
$locationProvider.html5Mode({
enabled: true,
requireBase: false
});
}]);
Но как angular-сайт будет индексироваться?
В голову сразу пришло решение, что статику надо отдавать отдельно. Немного погуглив, нашел информацию о ?_escaped_fragment. Нужно было отдельно генерировать статику и отдавать на запросы типа truemania.ru/?_escaped_fragment готовые для индексации фрагменты.
При недолгом поиске наткнулся на статью, где был подробно описан механизм индексации для angular-сайтов, как раз для сервера nginx. В конфигурацию было добавлено ещё несколько location:
if ($args ~ "_escaped_fragment_=(.*)") {
rewrite ^ /snapshot${uri};
}
location /snapshot {
proxy_pass http://help.truemania.ru/snapshot;
proxy_connect_timeout 60s;
}
Создаём домен второго уровня, где будет происходить обработка запросов на отдачу готовых фрагментов. На запрос типа
http://truemania.ru/user/50?_escaped_fragment_=
вы получите
http://help.truemania.ru/snapshot/user/50
Остаётся только создавать все необходимые слепки, которые нужно отдавать поисковому боту. При этом я пользовался стандартами микроразметки schema.org. Кто не знаком с миром семантической разметки, советую ознакомиться с в этой статье.
Создание динамического sitemap очень подробно описано в этой статье — советую прочесть. Но жаль, что тут описано решение для первой версии Yii. Sitemap создаётся при каждом новом запросе заново, что может вызвать весьма высокую нагрузку на сервер. Выход — создание консольного контроллера и обновление sitemap с интервалом 10 минут, используя crontab. Совсем немного изменив исходный код, я получил годное решение для Yii2 console:
<?php
namespace console\models;
use Yii;
/**
* @author ElisDN <mail@elisdn.ru>
* @link http://www.elisdn.ru
*/
class DSitemap
{
const ALWAYS = 'always';
const HOURLY = 'hourly';
const DAILY = 'daily';
const WEEKLY = 'weekly';
const MONTHLY = 'monthly';
const YEARLY = 'yearly';
const NEVER = 'never';
protected $items = array();
/**
* @param $url
* @param string $changeFreq
* @param float $priority
* @param int $lastMod
*/
public function addUrl($url, $changeFreq=self::DAILY, $priority = 0.5, $lastMod = 0)
{
$host = Yii::$app->urlManager->getBaseUrl();
$item = array(
'loc' => $host . $url,
'changefreq' => $changeFreq,
'priority' => $priority
);
if ($lastMod)
$item['lastmod'] = $this->dateToW3C($lastMod);
$this->items[] = $item;
}
/**
* @param \yii\db\ActiveRecord[] $models
* @param string $changeFreq
* @param float $priority
*/
public function addModels($models, $changeFreq=self::DAILY, $priority=0.5)
{
$host = Yii::$app->urlManager->getBaseUrl();
foreach ($models as $model)
{
$item = array(
'loc' => $host . $model->getUrl(),
'changefreq' => $changeFreq,
'priority' => $priority
);
if ($model->hasAttribute('create_date'))
$item['lastmod'] = $this->dateToW3C($model->create_date);
$this->items[] = $item;
}
}
/**
* @return string XML code
*/
public function render()
{
$dom = new \DOMDocument('1.0', 'utf-8');
$urlset = $dom->createElement('urlset');
$urlset->setAttribute('xmlns','http://www.sitemaps.org/schemas/sitemap/0.9');
foreach($this->items as $item)
{
$url = $dom->createElement('url');
foreach ($item as $key=>$value)
{
$elem = $dom->createElement($key);
$elem->appendChild($dom->createTextNode($value));
$url->appendChild($elem);
}
$urlset->appendChild($url);
}
$dom->appendChild($urlset);
return $dom->saveXML();
}
protected function dateToW3C($date)
{
if (is_int($date))
return date(DATE_W3C, $date);
else
return date(DATE_W3C, strtotime($date));
}
}
Консольный action:
public function actionGetsitemap()
{
$sitemap = new DSitemap();
$sitemap->addModels(Model1::find()->active()->all(), DSitemap::HOURLY);
$sitemap->addModels(Model2::find()->all(), DSitemap::HOURLY);
$sitemap->addModels(Model3::find()->all(), DSitemap::HOURLY);
$path = \Yii::getAlias("@frontend/web") . DIRECTORY_SEPARATOR . "sitemap.xml";
return file_put_contents($path, $sitemap->render());
}
Конфигурация crontab для запуска через каждые 10 мин.
*/10 * * * * /path/to/yii cron/getsitemap >> /path/to/log/command_log/getsitemap.log;
Это решение оптимальное и весьма производительное. Таким образом мы получаем довольно актуальные данные. При необходимости можно пересоздавать sitemap с более частым или более редким интервалом.
Далее пошла работа над красивым выводом ссылок в соцсетях. Для тех, кто не в теме, — это стандарт разметки http://ogp.me/. Меня постигло очень большое разочарование, что боты не понимают meta-тег:
<meta name="fragment" content="!" />
На данном этапе я немного застопорился, так как элементарно в лоб решения не нашлось. Я хотел заставить ботов понимать, что за страницей скрывается реальный фрагмент. Погуглив, я принял решение отдавать фрагменты по user-agent. Пришлось изучить документацию для соответствующего сервиса, чтобы получить примерные user-agent, которые можно было бы извлечь, пользуясь регулярными выражениями.
Моя конфигурация для отдачи статики ботам соцсетей:
# Вот тут происходит обработка user-agent — если это бот соцсетей, отдаём статику
if ( $http_user_agent ~* (facebookexternalhit|facebot|twitterbot|tinterest|google.*snippet|vk.com|vkshare) ){
rewrite ^ /snapshot${uri};
}
Естественно, осталось включить в мои слепки информацию о разметке open graph.
Далее я захотел использовать в некоторых очень выгодных моментах websocket — это отлично подходило для решения таких задач, как состояние online/offline для пользователя. Конечно, сами websocket вещь весьма нестандартная для PHP, но готовое решение быстро нашлось — http://socketo.me/.
Осталось только понять, как мне эти сокеты запустить на Yii2 в ubuntu. Собственно, создал консольный контроллер, и вот как выглядел action:
public function actionWebsocketaction()
{
$server = IoServer::factory(
new HttpServer(
new WsServer(
new UserOnline()
)
),
8099,
'127.0.0.1'
);
$server->run();
}
Ну, и далее прилагаю саму модель UserOnline:
<?php
namespace console\models;
use Yii;
use common\modules\core\models\User;
use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use yii\web\ServerErrorHttpException;
class UserOnline implements MessageComponentInterface {
/**
* Люблю константы, не люблю цифры
*/
const USER_OFFLINE = 0;
const USER_ONLINE = 1;
//При открытии нового соединения выведем в лог resourceId
public function onOpen(ConnectionInterface $conn) {
echo "New connection! ({$conn->resourceId})\n";
}
//Если было получено сообщение, ставим данному пользователю статус online
public function onMessage(ConnectionInterface $from, $username) {
$model = UserOnlineConnections::findByUsername($username);
if(empty($model))
{
$model = new UserOnlineConnections();
//Параметры передаются с символом переноса строки, пришлось выпилить их регуляркой
$model->username = preg_replace('/\\r\\n$/', '', $username);
$model->conn_id = $from->resourceId;
if(!($model->validate() && $model->save()))
throw new ServerErrorHttpException(json_encode($model->getErrors()));
}
else
{
$model->conn_id = $from->resourceId;
if(!($model->validate() && $model->save()))
throw new ServerErrorHttpException(json_encode($model->getErrors()));
}
echo "New user online $model->username \n";
self::setUserStatus($username, self::USER_ONLINE);
}
//Если соединение закрылось — пользователя в offline
public function onClose(ConnectionInterface $conn) {
echo "Close connection! ({$conn->resourceId})\n";
$username = UserOnlineConnections::findByConnId($conn->resourceId)->username;
if($username) {
//Set status offline
echo "User offline $username \n";
self::setUserStatus($username, self::USER_OFFLINE);
}
}
//Если ошибка — пользователя в offline
public function onError(ConnectionInterface $conn, \Exception $e) {
$username = UserOnlineConnections::findByConnId($conn->resourceId)->username;
if($username) {
//Set status offline
echo "User offline $username \n";
self::setUserStatus($username, self::USER_OFFLINE);
echo "An error has occurred: {$e->getMessage()}\n";
$conn->close();
}
}
/**
* Устанавливаем пользователю нужный статус
* @param $username
* @param $status
* @return bool
* @throws ServerErrorHttpException
*/
public function setUserStatus($username, $status)
{
$model = User::findByUsername($username);
if ($model) {
$model->online = $status;
if(!($model->validate() && $model->save()))
throw new ServerErrorHttpException(json_encode($model->getErrors()));
return true;
}
if($status == self::USER_OFFLINE) {
UserOnlineConnections::deleteAll(
"username=".$username
);
}
}
}
Осталось только всё это запустить. Нужно было сделать вывод stderr в stdout, но &> почему-то не хотел работать. Решение пришло с помощью nohup. Запуск сокета выглядел вот так:
nohup /path/to/yii ws/useronline >> /path/to/log/command_log/useronline.log;
Также в случае падения надо перезапустить данный процесс. Не нашёл решения более элегантного, как через каждую минуту запускать команду в crontab. В случае если порт занят, ничего не произойдет (выйдет ошибка), но если порт свободен, процесс будет запущен заново.
Далее надо websocet проксировать с помощью nginx. И тут в конфигурацию были добавлены следующие строки:
upstream useronline {
server 127.0.0.1:8099;
}
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
# Добавка в секцию server
server {
#ws proxy
location /useronline {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_pass http://useronline;
}
}
Вот теперь наш веб-сокет будет доступен по адресу ws://truemania.ru/useronline.
И последнее, с чем я столкнулся (из настроек веб-сервера) в процессе разработки — это переход на протокол https. Проблема была в следующем — facebook и google+ хотели, чтобы картинки отдавались по http и упорно не хотели выводить в превью картинку. Для этого пришлось изменить конфигурацию, а именно — заставить сервер отдавать медиафайлы по http:
server {
listen 80;
server_name truemania.ru;
root /path/to/frontend/web;
location / {
return 301 https://$server_name$request_uri; # enforce https
}
#отдать статику по http
location ~* \.(css|js|jpg|jpeg|png|gif|bmp|ico|mov|swf|pdf|zip|rar)$ {
try_files $uri =404;
}
}
server {
charset utf-8;
listen 443 ssl;
ssl_certificate /path/to/ssl/truemania.crt;
ssl_certificate_key /path/to/ssl/truemania.key;
}
Также после того, как протокол поменялся, обращение к socet происходит по адресу wss://truemania.ru/useronline.
<!doctype html>
<html lang="ru" class="no-js no-touch ">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="yandex-verification" content="3019a35aeda6b45d" />
<script type="text/javascript">
var html = document.getElementsByTagName('html')[0];
html.className = html.className.replace('no-js', '');
window.React = {};
window.metrics = [];
window.TEST_ENV = false;
window.isSuperuser = false;
window.isStaff = false;
window.isHeadTeacher = false;
</script>
<script type="text/javascript">
window.DEBUG_COUNTERS = true;
var yaParams = {
'course_title': 'b',
'ab': 'b',
'features': JSON.parse('{"category-catalog-redirect": true, "landing-price-mode-switcher": true, "register-instead-of-start-test": true, "main-page-redesign": true, "subscription_genus_basic": true, "adblender": true, "greenlight": true, "phone": true, "professions": true, "course_enrol": true, "new_lessons_page": true, "jivosite": false, "course-page-single-screen": true, "right-price": false, "course_page_header_footer_new": true, "submit-application": false, "prof_dev_certificate": false, "assessment-react": true, "new-events-calendar": true, "new-pre-assessment-screen": true, "recommended_courses": true, "tinkoff_payment": true, "payment-page-3-front-refactor": true, "installment-calculator": true, "boomstream-player": true, "finsystems": true, "new-reviews": true}')
};
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.017.094h-4Zm0-2.409v2.409h4v-2.409h-4Zm22.43 0a.37.37 0 0 1-.103.236.774.774 0 0 1-.581.245v-4c-2.09 0-3.316 1.854-3.316 3.519h4Zm0 2.409v-2.409h-4v2.409h4Zm-.103-.236a.453.453 0 0 1 .085.142.277.277 0 0 1 .018.094h-4c0 .848.29 1.71.874 2.384l3.023-2.62Zm-1.162 0a.776.776 0 0 1 .581-.245c.27 0 .476.124.58.245l-3.022 2.62c1.311 1.513 3.573 1.513 4.884 0l-3.023-2.62Zm-.103.236c0-.027.005-.058.018-.094a.45.45 0 0 1 .085-.142l3.023 2.62a3.644 3.644 0 0 0 .874-2.384h-4Zm0-2.409v2.409h4v-2.409h-4Zm.684.481c-.29 0-.49-.14-.58-.245a.37.37 0 0 1-.104-.236h4c0-1.665-1.225-3.519-3.316-3.519v4Zm-14.48-4c-2.091 0-3.316 1.854-3.316 3.519h4a.37.37 0 0 1-.104.236.774.774 0 0 1-.58.245v-4Zm3.316 3.519c0-1.665-1.225-3.519-3.316-3.519v4c-.29 0-.49-.14-.58-.245a.37.37 0 0 1-.104-.236h4Zm0 2.409v-2.409h-4v2.409h4Zm-.874 2.384a3.644 3.644 0 0 0 .874-2.384h-4c0-.027.005-.058.018-.094a.45.45 0 0 1 .085-.142l3.023 2.62Zm-4.884 0c1.311 1.513 3.573 1.513 4.884 0l-3.023-2.62a.776.776 0 0 1 .58-.245c.271 0 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<div class="post-info__time">02.09.19 в 10:23</div>
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<h1 class="blog__h1">Как я писал web app angular + material и REST на Yii2 + webserver nginx</h1>
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Теги: javascript, angular, js, nginx angularjs yii2
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<p><img alt="JS_Deep_12.9-5020-916232.png" src="https://cdn.otus.ru/media/public/91/62/JS_Deep_12.9-5020-916232.png"></p>
<p>Начну с предыстории самого проекта. Мысль пришла в голову совершенно случайно — мне явно не хватало для работы над своими проектами какой-то дополнительной ответственности. Вот и решил создать <strong>портал</strong>, где я смог бы стимулировать собственную мотивацию, публично рискуя репутацией и деньгами.<cut></cut></p>
<p>Ну а теперь перейду к делу. Тема обширная, но я надеюсь, что на выходе у меня получится донести картину целиком и вспомнить все подводные камни, которые всплыли до момента создания проекта. Я буду указывать все первоисточники, которые я использовал, чтобы помочь тем, кто хочет написать своё приложение на <strong>angular</strong>. Да, собственно, все желающие смогут найти ответы на большинство интересующих их вопросов по данной теме в одном цикле статей.</p>
<p>Я давно уже лелеял мысль апробировать <strong>material.angularjs.org</strong> на каком-то боевом проекте. Тут возникла идея и я решился… С виду всё казалось довольно просто — набор готовых компонентов = быстрая разработка, на backend знакомый Yii и… Но я не рассчитывал, что маленькое приложение окажется немного больше, чем планировалось вначале, и предстоит такая возня с веб-сервером. Как говорится, упс…</p>
<p>Началось всё с конфигурации <strong>nginx</strong>. Получалось, что все запросы, кроме REST location, мне надо было перенаправлять на index.html, где у меня и начинал отрабатывать angular. Выглядела первая конфигурация примерно так:</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">server</span> <span class="p">{</span>
<span class="nx">charset</span> <span class="nx">utf</span><span class="o">-</span><span class="mi">8</span><span class="p">;</span>
<span class="nx">listen</span> <span class="mi">80</span><span class="p">;</span>
<span class="nx">server_name</span> <span class="nx">truemania</span><span class="p">.</span><span class="nx">ru</span><span class="p">;</span>
<span class="nx">root</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">root</span><span class="p">;</span>
<span class="nx">access_log</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">root</span><span class="o">/</span><span class="nx">log</span><span class="o">/</span><span class="nx">access</span><span class="p">.</span><span class="nx">log</span><span class="p">;</span>
<span class="nx">error_log</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">root</span><span class="o">/</span><span class="nx">log</span><span class="o">/</span><span class="nx">error</span><span class="p">.</span><span class="nx">log</span><span class="p">;</span>
<span class="nx">location</span> <span class="o">/</span> <span class="p">{</span>
<span class="err">#</span> <span class="nx">Angular</span> <span class="nx">app</span> <span class="nx">conf</span>
<span class="nx">root</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">root</span><span class="o">/</span><span class="nx">frontend</span><span class="o">/</span><span class="nx">web</span><span class="p">;</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="nx">$uri</span><span class="o">/</span> <span class="err">/index.html =404;</span>
<span class="p">}</span>
<span class="nx">location</span> <span class="o">~*</span> <span class="err">\</span><span class="p">.</span><span class="nx">php$</span> <span class="p">{</span>
<span class="nx">include</span> <span class="nx">fastcgi_params</span><span class="p">;</span>
<span class="err">#</span><span class="nx">fastcgi_pass</span> <span class="mf">127.0.0.1</span><span class="o">:</span><span class="mi">9000</span><span class="p">;</span>
<span class="nx">fastcgi_pass</span> <span class="nx">unix</span><span class="o">:</span><span class="err">/var/run/php5-fpm.sock;</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="o">=</span><span class="mi">404</span><span class="p">;</span>
<span class="nx">fastcgi_param</span> <span class="nx">SCRIPT_FILENAME</span> <span class="nx">$document_root$fastcgi_script_name</span><span class="p">;</span>
<span class="p">}</span>
<span class="err">#</span> <span class="nx">avoid</span> <span class="nx">processing</span> <span class="k">of</span> <span class="nx">calls</span> <span class="nx">to</span> <span class="nx">non</span><span class="o">-</span><span class="nx">existing</span> <span class="kr">static</span> <span class="nx">files</span> <span class="nx">by</span> <span class="nx">Yii</span> <span class="p">(</span><span class="nx">uncomment</span> <span class="k">if</span> <span class="nx">necessary</span><span class="p">)</span>
<span class="nx">location</span> <span class="o">~*</span> <span class="err">\</span><span class="p">.(</span><span class="nx">css</span><span class="o">|</span><span class="nx">js</span><span class="o">|</span><span class="nx">jpg</span><span class="o">|</span><span class="nx">jpeg</span><span class="o">|</span><span class="nx">png</span><span class="o">|</span><span class="nx">gif</span><span class="o">|</span><span class="nx">bmp</span><span class="o">|</span><span class="nx">ico</span><span class="o">|</span><span class="nx">mov</span><span class="o">|</span><span class="nx">swf</span><span class="o">|</span><span class="nx">pdf</span><span class="o">|</span><span class="nx">zip</span><span class="o">|</span><span class="nx">rar</span><span class="p">)</span><span class="nx">$</span> <span class="p">{</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="o">=</span><span class="mi">404</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">location</span> <span class="o">~*</span> <span class="err">\</span><span class="p">.(</span><span class="nx">htaccess</span><span class="o">|</span><span class="nx">htpasswd</span><span class="o">|</span><span class="nx">svn</span><span class="o">|</span><span class="nx">git</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">deny</span> <span class="nx">all</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">location</span> <span class="o">/</span><span class="nx">api</span><span class="o">-</span><span class="nx">location</span> <span class="p">{</span>
<span class="nx">client_max_body_size</span> <span class="mi">2000</span><span class="nx">M</span><span class="p">;</span>
<span class="nx">alias</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">root</span><span class="o">/</span><span class="nx">frontend</span><span class="o">/</span><span class="nx">web</span><span class="p">;</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="o">/</span><span class="nx">frontend</span><span class="o">/</span><span class="nx">web</span><span class="o">/</span><span class="nx">index</span><span class="p">.</span><span class="nx">php</span><span class="o">?</span><span class="nx">$args</span><span class="p">;</span>
<span class="nx">location</span> <span class="o">~*</span> <span class="o">^</span><span class="sr">/api-location/</span><span class="p">(.</span><span class="o">+</span><span class="err">\</span><span class="p">.</span><span class="nx">php</span><span class="p">)</span><span class="nx">$</span> <span class="p">{</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="o">/</span><span class="nx">frontend</span><span class="o">/</span><span class="nx">web</span><span class="o">/</span><span class="nx">$1</span><span class="o">?</span><span class="nx">$args</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Здесь всё наше API находится по locationapi-location. Конфигурация angular <codeinline>$routeProvider</codeinline>:</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">app</span><span class="p">.</span><span class="nx">config</span><span class="p">([</span><span class="s1">'$routeProvider'</span><span class="p">,</span> <span class="s1">'$locationProvider'</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">$routeProvider</span><span class="p">,</span> <span class="nx">$locationProvider</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">$routeProvider</span><span class="p">.</span>
<span class="nx">when</span><span class="p">(</span><span class="s1">'/route1'</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">templateUrl</span><span class="o">:</span> <span class="s1">'/views/route1.html'</span><span class="p">,</span>
<span class="nx">controller</span><span class="o">:</span> <span class="s1">'route1Ctrl'</span>
<span class="p">}).</span>
<span class="nx">when</span><span class="p">(</span><span class="s1">'/route2'</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">templateUrl</span><span class="o">:</span> <span class="s1">'/views/route2.html'</span><span class="p">,</span>
<span class="nx">controller</span><span class="o">:</span> <span class="s1">'route2Ctrl'</span>
<span class="p">}).</span>
<span class="nx">when</span><span class="p">(</span><span class="s1">'/route3'</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">templateUrl</span><span class="o">:</span> <span class="s1">'/views/route3.html'</span><span class="p">,</span>
<span class="nx">controller</span><span class="o">:</span> <span class="s1">'route3Ctrl'</span>
<span class="p">}).</span>
<span class="nx">otherwise</span><span class="p">({</span>
<span class="nx">redirectTo</span><span class="o">:</span> <span class="s1">'/route1'</span>
<span class="p">});</span>
<span class="c1">// use the HTML5 History API</span>
<span class="nx">$locationProvider</span><span class="p">.</span><span class="nx">html5Mode</span><span class="p">({</span>
<span class="nx">enabled</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span>
<span class="nx">requireBase</span><span class="o">:</span> <span class="kc">false</span>
<span class="p">});</span>
<span class="p">}]);</span>
</pre></div>
</pre>
<h2>Но как angular-сайт будет индексироваться?</h2>
<p>В голову сразу пришло решение, что статику надо отдавать отдельно. Немного погуглив, нашел информацию о <codeinline>?_escaped_fragment</codeinline>. Нужно было отдельно генерировать статику и отдавать на запросы типа <codeinline>truemania.ru/?_escaped_fragment</codeinline> готовые для индексации фрагменты.</p>
<p>При недолгом поиске наткнулся на <a href="http://habrahabr.ru/post/187008/">статью</a>, где был подробно описан механизм индексации для angular-сайтов, как раз для сервера nginx. В конфигурацию было добавлено ещё несколько location:</p>
<pre><div class="codehilite"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nx">$args</span> <span class="o">~</span> <span class="s2">"_escaped_fragment_=(.*)"</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">rewrite</span> <span class="o">^</span> <span class="err">/snapshot${uri};</span>
<span class="p">}</span>
<span class="nx">location</span> <span class="o">/</span><span class="nx">snapshot</span> <span class="p">{</span>
<span class="nx">proxy_pass</span> <span class="nx">http</span><span class="o">:</span><span class="c1">//help.truemania.ru/snapshot;</span>
<span class="nx">proxy_connect_timeout</span> <span class="mi">60</span><span class="nx">s</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Создаём домен второго уровня, где будет происходить обработка запросов на отдачу готовых фрагментов. На запрос типа </p>
<pre><div class="codehilite"><pre><span></span><span class="nx">http</span><span class="o">:</span><span class="c1">//truemania.ru/user/50?_escaped_fragment_=</span>
</pre></div>
</pre>
<p>вы получите</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">http</span><span class="o">:</span><span class="c1">//help.truemania.ru/snapshot/user/50</span>
</pre></div>
</pre>
<p>Остаётся только создавать все необходимые слепки, которые нужно отдавать поисковому боту. При этом я пользовался стандартами микроразметки schema.org. Кто не знаком с миром семантической разметки, советую ознакомиться с в <a href="http://habrahabr.ru/company/yandex/blog/211638/">этой статье</a>.</p>
<p>Создание динамического <strong>sitemap</strong> очень подробно описано в <a href="http://www.elisdn.ru/blog/38/sitemap-for-yii-project">этой статье</a> — советую прочесть. Но жаль, что тут описано решение для первой версии Yii. Sitemap создаётся при каждом новом запросе заново, что может вызвать весьма высокую нагрузку на сервер. Выход — создание консольного контроллера и обновление sitemap с интервалом 10 минут, используя <strong>crontab</strong>. Совсем немного изменив исходный код, я получил годное решение для Yii2 console:</p>
<pre><div class="codehilite"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
<span class="nx">namespace</span> <span class="nx">console</span><span class="err">\</span><span class="nx">models</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">Yii</span><span class="p">;</span>
<span class="cm">/**</span>
<span class="cm"> * @author ElisDN <mail@elisdn.ru></span>
<span class="cm"> * @link http://www.elisdn.ru</span>
<span class="cm"> */</span>
<span class="kr">class</span> <span class="nx">DSitemap</span>
<span class="p">{</span>
<span class="kr">const</span> <span class="nx">ALWAYS</span> <span class="o">=</span> <span class="s1">'always'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">HOURLY</span> <span class="o">=</span> <span class="s1">'hourly'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">DAILY</span> <span class="o">=</span> <span class="s1">'daily'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">WEEKLY</span> <span class="o">=</span> <span class="s1">'weekly'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">MONTHLY</span> <span class="o">=</span> <span class="s1">'monthly'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">YEARLY</span> <span class="o">=</span> <span class="s1">'yearly'</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">NEVER</span> <span class="o">=</span> <span class="s1">'never'</span><span class="p">;</span>
<span class="kr">protected</span> <span class="nx">$items</span> <span class="o">=</span> <span class="nx">array</span><span class="p">();</span>
<span class="cm">/**</span>
<span class="cm"> * @param $url</span>
<span class="cm"> * @param string $changeFreq</span>
<span class="cm"> * @param float $priority</span>
<span class="cm"> * @param int $lastMod</span>
<span class="cm"> */</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">addUrl</span><span class="p">(</span><span class="nx">$url</span><span class="p">,</span> <span class="nx">$changeFreq</span><span class="o">=</span><span class="nx">self</span><span class="o">::</span><span class="nx">DAILY</span><span class="p">,</span> <span class="nx">$priority</span> <span class="o">=</span> <span class="mf">0.5</span><span class="p">,</span> <span class="nx">$lastMod</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$host</span> <span class="o">=</span> <span class="nx">Yii</span><span class="o">::</span><span class="nx">$app</span><span class="o">-></span><span class="nx">urlManager</span><span class="o">-></span><span class="nx">getBaseUrl</span><span class="p">();</span>
<span class="nx">$item</span> <span class="o">=</span> <span class="nx">array</span><span class="p">(</span>
<span class="s1">'loc'</span> <span class="p">=></span> <span class="nx">$host</span> <span class="p">.</span> <span class="nx">$url</span><span class="p">,</span>
<span class="s1">'changefreq'</span> <span class="p">=></span> <span class="nx">$changeFreq</span><span class="p">,</span>
<span class="s1">'priority'</span> <span class="p">=></span> <span class="nx">$priority</span>
<span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">$lastMod</span><span class="p">)</span>
<span class="nx">$item</span><span class="p">[</span><span class="s1">'lastmod'</span><span class="p">]</span> <span class="o">=</span> <span class="nx">$this</span><span class="o">-></span><span class="nx">dateToW3C</span><span class="p">(</span><span class="nx">$lastMod</span><span class="p">);</span>
<span class="nx">$this</span><span class="o">-></span><span class="nx">items</span><span class="p">[]</span> <span class="o">=</span> <span class="nx">$item</span><span class="p">;</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * @param \yii\db\ActiveRecord[] $models</span>
<span class="cm"> * @param string $changeFreq</span>
<span class="cm"> * @param float $priority</span>
<span class="cm"> */</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">addModels</span><span class="p">(</span><span class="nx">$models</span><span class="p">,</span> <span class="nx">$changeFreq</span><span class="o">=</span><span class="nx">self</span><span class="o">::</span><span class="nx">DAILY</span><span class="p">,</span> <span class="nx">$priority</span><span class="o">=</span><span class="mf">0.5</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$host</span> <span class="o">=</span> <span class="nx">Yii</span><span class="o">::</span><span class="nx">$app</span><span class="o">-></span><span class="nx">urlManager</span><span class="o">-></span><span class="nx">getBaseUrl</span><span class="p">();</span>
<span class="nx">foreach</span> <span class="p">(</span><span class="nx">$models</span> <span class="nx">as</span> <span class="nx">$model</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$item</span> <span class="o">=</span> <span class="nx">array</span><span class="p">(</span>
<span class="s1">'loc'</span> <span class="p">=></span> <span class="nx">$host</span> <span class="p">.</span> <span class="nx">$model</span><span class="o">-></span><span class="nx">getUrl</span><span class="p">(),</span>
<span class="s1">'changefreq'</span> <span class="p">=></span> <span class="nx">$changeFreq</span><span class="p">,</span>
<span class="s1">'priority'</span> <span class="p">=></span> <span class="nx">$priority</span>
<span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">hasAttribute</span><span class="p">(</span><span class="s1">'create_date'</span><span class="p">))</span>
<span class="nx">$item</span><span class="p">[</span><span class="s1">'lastmod'</span><span class="p">]</span> <span class="o">=</span> <span class="nx">$this</span><span class="o">-></span><span class="nx">dateToW3C</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">create_date</span><span class="p">);</span>
<span class="nx">$this</span><span class="o">-></span><span class="nx">items</span><span class="p">[]</span> <span class="o">=</span> <span class="nx">$item</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * @return string XML code</span>
<span class="cm"> */</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">render</span><span class="p">()</span>
<span class="p">{</span>
<span class="nx">$dom</span> <span class="o">=</span> <span class="k">new</span> <span class="err">\</span><span class="nx">DOMDocument</span><span class="p">(</span><span class="s1">'1.0'</span><span class="p">,</span> <span class="s1">'utf-8'</span><span class="p">);</span>
<span class="nx">$urlset</span> <span class="o">=</span> <span class="nx">$dom</span><span class="o">-></span><span class="nx">createElement</span><span class="p">(</span><span class="s1">'urlset'</span><span class="p">);</span>
<span class="nx">$urlset</span><span class="o">-></span><span class="nx">setAttribute</span><span class="p">(</span><span class="s1">'xmlns'</span><span class="p">,</span><span class="s1">'http://www.sitemaps.org/schemas/sitemap/0.9'</span><span class="p">);</span>
<span class="nx">foreach</span><span class="p">(</span><span class="nx">$this</span><span class="o">-></span><span class="nx">items</span> <span class="nx">as</span> <span class="nx">$item</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$url</span> <span class="o">=</span> <span class="nx">$dom</span><span class="o">-></span><span class="nx">createElement</span><span class="p">(</span><span class="s1">'url'</span><span class="p">);</span>
<span class="nx">foreach</span> <span class="p">(</span><span class="nx">$item</span> <span class="nx">as</span> <span class="nx">$key</span><span class="p">=></span><span class="nx">$value</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$elem</span> <span class="o">=</span> <span class="nx">$dom</span><span class="o">-></span><span class="nx">createElement</span><span class="p">(</span><span class="nx">$key</span><span class="p">);</span>
<span class="nx">$elem</span><span class="o">-></span><span class="nx">appendChild</span><span class="p">(</span><span class="nx">$dom</span><span class="o">-></span><span class="nx">createTextNode</span><span class="p">(</span><span class="nx">$value</span><span class="p">));</span>
<span class="nx">$url</span><span class="o">-></span><span class="nx">appendChild</span><span class="p">(</span><span class="nx">$elem</span><span class="p">);</span>
<span class="p">}</span>
<span class="nx">$urlset</span><span class="o">-></span><span class="nx">appendChild</span><span class="p">(</span><span class="nx">$url</span><span class="p">);</span>
<span class="p">}</span>
<span class="nx">$dom</span><span class="o">-></span><span class="nx">appendChild</span><span class="p">(</span><span class="nx">$urlset</span><span class="p">);</span>
<span class="k">return</span> <span class="nx">$dom</span><span class="o">-></span><span class="nx">saveXML</span><span class="p">();</span>
<span class="p">}</span>
<span class="kr">protected</span> <span class="kd">function</span> <span class="nx">dateToW3C</span><span class="p">(</span><span class="nx">$date</span><span class="p">)</span>
<span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">is_int</span><span class="p">(</span><span class="nx">$date</span><span class="p">))</span>
<span class="k">return</span> <span class="nx">date</span><span class="p">(</span><span class="nx">DATE_W3C</span><span class="p">,</span> <span class="nx">$date</span><span class="p">);</span>
<span class="k">else</span>
<span class="k">return</span> <span class="nx">date</span><span class="p">(</span><span class="nx">DATE_W3C</span><span class="p">,</span> <span class="nx">strtotime</span><span class="p">(</span><span class="nx">$date</span><span class="p">));</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Консольный action:</p>
<pre><div class="codehilite"><pre><span></span><span class="kr">public</span> <span class="kd">function</span> <span class="nx">actionGetsitemap</span><span class="p">()</span>
<span class="p">{</span>
<span class="nx">$sitemap</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">DSitemap</span><span class="p">();</span>
<span class="nx">$sitemap</span><span class="o">-></span><span class="nx">addModels</span><span class="p">(</span><span class="nx">Model1</span><span class="o">::</span><span class="nx">find</span><span class="p">()</span><span class="o">-></span><span class="nx">active</span><span class="p">()</span><span class="o">-></span><span class="nx">all</span><span class="p">(),</span> <span class="nx">DSitemap</span><span class="o">::</span><span class="nx">HOURLY</span><span class="p">);</span>
<span class="nx">$sitemap</span><span class="o">-></span><span class="nx">addModels</span><span class="p">(</span><span class="nx">Model2</span><span class="o">::</span><span class="nx">find</span><span class="p">()</span><span class="o">-></span><span class="nx">all</span><span class="p">(),</span> <span class="nx">DSitemap</span><span class="o">::</span><span class="nx">HOURLY</span><span class="p">);</span>
<span class="nx">$sitemap</span><span class="o">-></span><span class="nx">addModels</span><span class="p">(</span><span class="nx">Model3</span><span class="o">::</span><span class="nx">find</span><span class="p">()</span><span class="o">-></span><span class="nx">all</span><span class="p">(),</span> <span class="nx">DSitemap</span><span class="o">::</span><span class="nx">HOURLY</span><span class="p">);</span>
<span class="nx">$path</span> <span class="o">=</span> <span class="err">\</span><span class="nx">Yii</span><span class="o">::</span><span class="nx">getAlias</span><span class="p">(</span><span class="s2">"@frontend/web"</span><span class="p">)</span> <span class="p">.</span> <span class="nx">DIRECTORY_SEPARATOR</span> <span class="p">.</span> <span class="s2">"sitemap.xml"</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">file_put_contents</span><span class="p">(</span><span class="nx">$path</span><span class="p">,</span> <span class="nx">$sitemap</span><span class="o">-></span><span class="nx">render</span><span class="p">());</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Конфигурация crontab для запуска через каждые 10 мин.</p>
<pre><div class="codehilite"><pre><span></span><span class="o">*</span><span class="err">/10 * * * * /path/to/yii cron/getsitemap >> /path/to/log/command_log/getsitemap.log;</span>
</pre></div>
</pre>
<p>Это решение оптимальное и весьма производительное. Таким образом мы получаем довольно актуальные данные. При необходимости можно пересоздавать sitemap с более частым или более редким интервалом.</p>
<p>Далее пошла работа над красивым выводом ссылок в соцсетях. Для тех, кто не в теме, — это стандарт разметки <a href="http://ogp.me/">http://ogp.me/</a>. Меня постигло очень большое разочарование, что боты не понимают meta-тег:</p>
<pre><div class="codehilite"><pre><span></span><span class="o"><</span><span class="nx">meta</span> <span class="nx">name</span><span class="o">=</span><span class="s2">"fragment"</span> <span class="nx">content</span><span class="o">=</span><span class="s2">"!"</span> <span class="o">/></span>
</pre></div>
</pre>
<p>На данном этапе я немного застопорился, так как элементарно в лоб решения не нашлось. Я хотел заставить ботов понимать, что за страницей скрывается реальный фрагмент. Погуглив, я принял решение отдавать фрагменты по <strong>user-agent</strong>. Пришлось изучить документацию для соответствующего сервиса, чтобы получить примерные user-agent, которые можно было бы извлечь, пользуясь регулярными выражениями.</p>
<p>Моя конфигурация для отдачи статики ботам соцсетей:</p>
<pre><div class="codehilite"><pre><span></span><span class="err">#</span> <span class="nx">Вот</span> <span class="nx">тут</span> <span class="nx">происходит</span> <span class="nx">обработка</span> <span class="nx">user</span><span class="o">-</span><span class="nx">agent</span> <span class="err">—</span> <span class="nx">если</span> <span class="nx">это</span> <span class="nx">бот</span> <span class="nx">соцсетей</span><span class="p">,</span> <span class="nx">отдаём</span> <span class="nx">статику</span>
<span class="k">if</span> <span class="p">(</span> <span class="nx">$http_user_agent</span> <span class="o">~*</span> <span class="p">(</span><span class="nx">facebookexternalhit</span><span class="o">|</span><span class="nx">facebot</span><span class="o">|</span><span class="nx">twitterbot</span><span class="o">|</span><span class="nx">tinterest</span><span class="o">|</span><span class="nx">google</span><span class="p">.</span><span class="o">*</span><span class="nx">snippet</span><span class="o">|</span><span class="nx">vk</span><span class="p">.</span><span class="nx">com</span><span class="o">|</span><span class="nx">vkshare</span><span class="p">)</span> <span class="p">){</span>
<span class="nx">rewrite</span> <span class="o">^</span> <span class="err">/snapshot${uri};</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Естественно, осталось включить в мои слепки информацию о разметке <strong>open graph</strong>.</p>
<p>Далее я захотел использовать в некоторых очень выгодных моментах websocket — это отлично подходило для решения таких задач, как состояние online/offline для пользователя. Конечно, сами websocket вещь весьма нестандартная для PHP, но готовое решение быстро нашлось — <a href="http://socketo.me/">http://socketo.me/</a>.</p>
<p>Осталось только понять, как мне эти сокеты запустить на Yii2 в ubuntu. Собственно, создал консольный контроллер, и вот как выглядел action:</p>
<pre><div class="codehilite"><pre><span></span><span class="kr">public</span> <span class="kd">function</span> <span class="nx">actionWebsocketaction</span><span class="p">()</span>
<span class="p">{</span>
<span class="nx">$server</span> <span class="o">=</span> <span class="nx">IoServer</span><span class="o">::</span><span class="nx">factory</span><span class="p">(</span>
<span class="k">new</span> <span class="nx">HttpServer</span><span class="p">(</span>
<span class="k">new</span> <span class="nx">WsServer</span><span class="p">(</span>
<span class="k">new</span> <span class="nx">UserOnline</span><span class="p">()</span>
<span class="p">)</span>
<span class="p">),</span>
<span class="mi">8099</span><span class="p">,</span>
<span class="s1">'127.0.0.1'</span>
<span class="p">);</span>
<span class="nx">$server</span><span class="o">-></span><span class="nx">run</span><span class="p">();</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Ну, и далее прилагаю саму модель UserOnline:</p>
<pre><div class="codehilite"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
<span class="nx">namespace</span> <span class="nx">console</span><span class="err">\</span><span class="nx">models</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">Yii</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">common</span><span class="err">\</span><span class="nx">modules</span><span class="err">\</span><span class="nx">core</span><span class="err">\</span><span class="nx">models</span><span class="err">\</span><span class="nx">User</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">Ratchet</span><span class="err">\</span><span class="nx">MessageComponentInterface</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">Ratchet</span><span class="err">\</span><span class="nx">ConnectionInterface</span><span class="p">;</span>
<span class="nx">use</span> <span class="nx">yii</span><span class="err">\</span><span class="nx">web</span><span class="err">\</span><span class="nx">ServerErrorHttpException</span><span class="p">;</span>
<span class="kr">class</span> <span class="nx">UserOnline</span> <span class="kr">implements</span> <span class="nx">MessageComponentInterface</span> <span class="p">{</span>
<span class="cm">/**</span>
<span class="cm"> * Люблю константы, не люблю цифры</span>
<span class="cm"> */</span>
<span class="kr">const</span> <span class="nx">USER_OFFLINE</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="kr">const</span> <span class="nx">USER_ONLINE</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
<span class="c1">//При открытии нового соединения выведем в лог resourceId</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">onOpen</span><span class="p">(</span><span class="nx">ConnectionInterface</span> <span class="nx">$conn</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">echo</span> <span class="s2">"New connection! ({$conn->resourceId})\n"</span><span class="p">;</span>
<span class="p">}</span>
<span class="c1">//Если было получено сообщение, ставим данному пользователю статус online</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">onMessage</span><span class="p">(</span><span class="nx">ConnectionInterface</span> <span class="nx">$from</span><span class="p">,</span> <span class="nx">$username</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">$model</span> <span class="o">=</span> <span class="nx">UserOnlineConnections</span><span class="o">::</span><span class="nx">findByUsername</span><span class="p">(</span><span class="nx">$username</span><span class="p">);</span>
<span class="k">if</span><span class="p">(</span><span class="nx">empty</span><span class="p">(</span><span class="nx">$model</span><span class="p">))</span>
<span class="p">{</span>
<span class="nx">$model</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">UserOnlineConnections</span><span class="p">();</span>
<span class="c1">//Параметры передаются с символом переноса строки, пришлось выпилить их регуляркой</span>
<span class="nx">$model</span><span class="o">-></span><span class="nx">username</span> <span class="o">=</span> <span class="nx">preg_replace</span><span class="p">(</span><span class="s1">'/\\r\\n$/'</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="nx">$username</span><span class="p">);</span>
<span class="nx">$model</span><span class="o">-></span><span class="nx">conn_id</span> <span class="o">=</span> <span class="nx">$from</span><span class="o">-></span><span class="nx">resourceId</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">validate</span><span class="p">()</span> <span class="o">&&</span> <span class="nx">$model</span><span class="o">-></span><span class="nx">save</span><span class="p">()))</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nx">ServerErrorHttpException</span><span class="p">(</span><span class="nx">json_encode</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">getErrors</span><span class="p">()));</span>
<span class="p">}</span>
<span class="k">else</span>
<span class="p">{</span>
<span class="nx">$model</span><span class="o">-></span><span class="nx">conn_id</span> <span class="o">=</span> <span class="nx">$from</span><span class="o">-></span><span class="nx">resourceId</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">validate</span><span class="p">()</span> <span class="o">&&</span> <span class="nx">$model</span><span class="o">-></span><span class="nx">save</span><span class="p">()))</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nx">ServerErrorHttpException</span><span class="p">(</span><span class="nx">json_encode</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">getErrors</span><span class="p">()));</span>
<span class="p">}</span>
<span class="nx">echo</span> <span class="s2">"New user online $model->username \n"</span><span class="p">;</span>
<span class="nx">self</span><span class="o">::</span><span class="nx">setUserStatus</span><span class="p">(</span><span class="nx">$username</span><span class="p">,</span> <span class="nx">self</span><span class="o">::</span><span class="nx">USER_ONLINE</span><span class="p">);</span>
<span class="p">}</span>
<span class="c1">//Если соединение закрылось — пользователя в offline</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">onClose</span><span class="p">(</span><span class="nx">ConnectionInterface</span> <span class="nx">$conn</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">echo</span> <span class="s2">"Close connection! ({$conn->resourceId})\n"</span><span class="p">;</span>
<span class="nx">$username</span> <span class="o">=</span> <span class="nx">UserOnlineConnections</span><span class="o">::</span><span class="nx">findByConnId</span><span class="p">(</span><span class="nx">$conn</span><span class="o">-></span><span class="nx">resourceId</span><span class="p">)</span><span class="o">-></span><span class="nx">username</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="nx">$username</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">//Set status offline</span>
<span class="nx">echo</span> <span class="s2">"User offline $username \n"</span><span class="p">;</span>
<span class="nx">self</span><span class="o">::</span><span class="nx">setUserStatus</span><span class="p">(</span><span class="nx">$username</span><span class="p">,</span> <span class="nx">self</span><span class="o">::</span><span class="nx">USER_OFFLINE</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="c1">//Если ошибка — пользователя в offline</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">onError</span><span class="p">(</span><span class="nx">ConnectionInterface</span> <span class="nx">$conn</span><span class="p">,</span> <span class="err">\</span><span class="nx">Exception</span> <span class="nx">$e</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">$username</span> <span class="o">=</span> <span class="nx">UserOnlineConnections</span><span class="o">::</span><span class="nx">findByConnId</span><span class="p">(</span><span class="nx">$conn</span><span class="o">-></span><span class="nx">resourceId</span><span class="p">)</span><span class="o">-></span><span class="nx">username</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="nx">$username</span><span class="p">)</span> <span class="p">{</span>
<span class="c1">//Set status offline</span>
<span class="nx">echo</span> <span class="s2">"User offline $username \n"</span><span class="p">;</span>
<span class="nx">self</span><span class="o">::</span><span class="nx">setUserStatus</span><span class="p">(</span><span class="nx">$username</span><span class="p">,</span> <span class="nx">self</span><span class="o">::</span><span class="nx">USER_OFFLINE</span><span class="p">);</span>
<span class="nx">echo</span> <span class="s2">"An error has occurred: {$e->getMessage()}\n"</span><span class="p">;</span>
<span class="nx">$conn</span><span class="o">-></span><span class="nx">close</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * Устанавливаем пользователю нужный статус</span>
<span class="cm"> * @param $username</span>
<span class="cm"> * @param $status</span>
<span class="cm"> * @return bool</span>
<span class="cm"> * @throws ServerErrorHttpException</span>
<span class="cm"> */</span>
<span class="kr">public</span> <span class="kd">function</span> <span class="nx">setUserStatus</span><span class="p">(</span><span class="nx">$username</span><span class="p">,</span> <span class="nx">$status</span><span class="p">)</span>
<span class="p">{</span>
<span class="nx">$model</span> <span class="o">=</span> <span class="nx">User</span><span class="o">::</span><span class="nx">findByUsername</span><span class="p">(</span><span class="nx">$username</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">$model</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">$model</span><span class="o">-></span><span class="nx">online</span> <span class="o">=</span> <span class="nx">$status</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">validate</span><span class="p">()</span> <span class="o">&&</span> <span class="nx">$model</span><span class="o">-></span><span class="nx">save</span><span class="p">()))</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nx">ServerErrorHttpException</span><span class="p">(</span><span class="nx">json_encode</span><span class="p">(</span><span class="nx">$model</span><span class="o">-></span><span class="nx">getErrors</span><span class="p">()));</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span><span class="p">(</span><span class="nx">$status</span> <span class="o">==</span> <span class="nx">self</span><span class="o">::</span><span class="nx">USER_OFFLINE</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">UserOnlineConnections</span><span class="o">::</span><span class="nx">deleteAll</span><span class="p">(</span>
<span class="s2">"username="</span><span class="p">.</span><span class="nx">$username</span>
<span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Осталось только всё это запустить. Нужно было сделать вывод stderr в stdout, но &> почему-то не хотел работать. Решение пришло с помощью <strong>nohup</strong>. Запуск сокета выглядел вот так:</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">nohup</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">yii</span> <span class="nx">ws</span><span class="o">/</span><span class="nx">useronline</span> <span class="o">>></span> <span class="err">/path/to/log/command_log/useronline.log; </span>
</pre></div>
</pre>
<p>Также в случае падения надо перезапустить данный процесс. Не нашёл решения более элегантного, как через каждую минуту запускать команду в <strong>crontab</strong>. В случае если порт занят, ничего не произойдет (выйдет ошибка), но если порт свободен, процесс будет запущен заново.</p>
<p>Далее надо websocet проксировать с помощью <strong>nginx</strong>. И тут в конфигурацию были добавлены следующие строки:</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">upstream</span> <span class="nx">useronline</span> <span class="p">{</span>
<span class="nx">server</span> <span class="mf">127.0.0.1</span><span class="o">:</span><span class="mi">8099</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">map</span> <span class="nx">$http_upgrade</span> <span class="nx">$connection_upgrade</span> <span class="p">{</span>
<span class="k">default</span> <span class="nx">upgrade</span><span class="p">;</span>
<span class="s1">''</span> <span class="nx">close</span><span class="p">;</span>
<span class="p">}</span>
<span class="err">#</span> <span class="nx">Добавка</span> <span class="nx">в</span> <span class="nx">секцию</span> <span class="nx">server</span>
<span class="nx">server</span> <span class="p">{</span>
<span class="err">#</span><span class="nx">ws</span> <span class="nx">proxy</span>
<span class="nx">location</span> <span class="o">/</span><span class="nx">useronline</span> <span class="p">{</span>
<span class="nx">proxy_set_header</span> <span class="nx">X</span><span class="o">-</span><span class="nx">Real</span><span class="o">-</span><span class="nx">IP</span> <span class="nx">$remote_addr</span><span class="p">;</span>
<span class="nx">proxy_set_header</span> <span class="nx">Host</span> <span class="nx">$host</span><span class="p">;</span>
<span class="nx">proxy_set_header</span> <span class="nx">X</span><span class="o">-</span><span class="nx">Forwarded</span><span class="o">-</span><span class="nx">For</span> <span class="nx">$proxy_add_x_forwarded_for</span><span class="p">;</span>
<span class="nx">proxy_http_version</span> <span class="mf">1.1</span><span class="p">;</span>
<span class="nx">proxy_set_header</span> <span class="nx">Upgrade</span> <span class="nx">$http_upgrade</span><span class="p">;</span>
<span class="nx">proxy_set_header</span> <span class="nx">Connection</span> <span class="nx">$connection_upgrade</span><span class="p">;</span>
<span class="nx">proxy_pass</span> <span class="nx">http</span><span class="o">:</span><span class="c1">//useronline;</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Вот теперь наш веб-сокет будет доступен по адресу ws://truemania.ru/useronline.</p>
<p>И последнее, с чем я столкнулся (из настроек веб-сервера) в процессе разработки — это переход на протокол https. Проблема была в следующем — facebook и google+ хотели, чтобы картинки отдавались по http и упорно не хотели выводить в превью картинку. Для этого пришлось изменить конфигурацию, а именно — заставить сервер отдавать медиафайлы по http:</p>
<pre><div class="codehilite"><pre><span></span><span class="nx">server</span> <span class="p">{</span>
<span class="nx">listen</span> <span class="mi">80</span><span class="p">;</span>
<span class="nx">server_name</span> <span class="nx">truemania</span><span class="p">.</span><span class="nx">ru</span><span class="p">;</span>
<span class="nx">root</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">frontend</span><span class="o">/</span><span class="nx">web</span><span class="p">;</span>
<span class="nx">location</span> <span class="o">/</span> <span class="p">{</span>
<span class="k">return</span> <span class="mi">301</span> <span class="nx">https</span><span class="o">:</span><span class="c1">//$server_name$request_uri; # enforce https</span>
<span class="p">}</span>
<span class="err">#</span><span class="nx">отдать</span> <span class="nx">статику</span> <span class="nx">по</span> <span class="nx">http</span>
<span class="nx">location</span> <span class="o">~*</span> <span class="err">\</span><span class="p">.(</span><span class="nx">css</span><span class="o">|</span><span class="nx">js</span><span class="o">|</span><span class="nx">jpg</span><span class="o">|</span><span class="nx">jpeg</span><span class="o">|</span><span class="nx">png</span><span class="o">|</span><span class="nx">gif</span><span class="o">|</span><span class="nx">bmp</span><span class="o">|</span><span class="nx">ico</span><span class="o">|</span><span class="nx">mov</span><span class="o">|</span><span class="nx">swf</span><span class="o">|</span><span class="nx">pdf</span><span class="o">|</span><span class="nx">zip</span><span class="o">|</span><span class="nx">rar</span><span class="p">)</span><span class="nx">$</span> <span class="p">{</span>
<span class="nx">try_files</span> <span class="nx">$uri</span> <span class="o">=</span><span class="mi">404</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">server</span> <span class="p">{</span>
<span class="nx">charset</span> <span class="nx">utf</span><span class="o">-</span><span class="mi">8</span><span class="p">;</span>
<span class="nx">listen</span> <span class="mi">443</span> <span class="nx">ssl</span><span class="p">;</span>
<span class="nx">ssl_certificate</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">ssl</span><span class="o">/</span><span class="nx">truemania</span><span class="p">.</span><span class="nx">crt</span><span class="p">;</span>
<span class="nx">ssl_certificate_key</span> <span class="o">/</span><span class="nx">path</span><span class="o">/</span><span class="nx">to</span><span class="o">/</span><span class="nx">ssl</span><span class="o">/</span><span class="nx">truemania</span><span class="p">.</span><span class="nx">key</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>
</pre>
<p>Также после того, как протокол поменялся, обращение к socet происходит по адресу wss://truemania.ru/useronline.</p>
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<div class="modal-container hide-top hide-transparent new-log-reg-container"
data-query='{"next": "/nest/post/940/"}'
data-modal-ajax="/login-registration/"
data-modal-ajax-once="true"
data-modal-id="new-log-reg"
data-modal-hide-remove-class="hide-top,hide-transparent"
data-modal-hide-add-class="hide-transparent"
data-modal-loading="true"
data-modal-hide-add-delay-class="hide-top">
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<div class="new-log-reg__login">
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</div>
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<div class="modal-container hide-top hide-transparent new-log-reg-container"
data-query='{"next": "/nest/post/940/"}'
data-modal-ajax="/login-registration/"
data-modal-id="new-log-reg-event"
data-modal-hide-remove-class="hide-top,hide-transparent"
data-modal-hide-add-class="hide-transparent"
data-modal-loading="true"
data-modal-hide-add-delay-class="hide-top">
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<div class="new-log-reg__login">
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<div class="new-log-reg__login"></div>
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<div class="modal-wrapper modal-wrapper_dark js-modal-wrapper">
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<div class="modal__close new-ic new-ic-close-inverse new-log-reg__popup-close js-close-modal"></div>
<p class="new-log-reg__popup-title">Восстановление пароля</p>
<form method="post" class="js-restore-password" action="/api/restore_password.send_email">
<input type="hidden" name="csrfmiddlewaretoken" value="ltkoTv4D8HV3PENk5WudRucZlXp0Df7Dyz4uC486Xn3GzNjdgkOlY2MkhsCUAxNK">
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Введите электронную почту для восстановления пароля
</div>
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class="new-input new-input_full js-placeholder js-input
js-required
"
maxlength=""
name="email"
autocomplete="off"
required
placeholder="Электронная почта"
/>
<div class="new-input-error new-input-error_bottom js-validation-error hide "></div>
<div class="new-input-error new-input-error_info new-input-error_bottom hide"></div>
</div>
<div class="new-input-line js-error hide">
<span class="new-input-line__error new-log-reg__popup-error">
Пользователь с таким email не найден
</span>
</div>
<div class="new-input-line">
<button class="new-button new-button_md new-button_full new-button_blue"
type="submit">Восстановить
</button>
</div>
</form>
</div>
</div>
</div>
</div>
<div class="modal-container hide" data-modal-id="phone_duplicate">
<div class="modal-wrapper modal-wrapper_dark js-modal-wrapper" data-no-wrapper-close="true">
<div class="modal new-log-reg__popup new-log-reg__popup-body">
<button class="new-log-reg__popup-close new-ic-close-inverse js-close-modal js-stats"
data-event="Register;double_tel_bad"
style=""></button>
<form>
<p class="new-log-reg__popup-title">
Ваш телефон уже привязан к<br/>другой учетной записи
</p>
<p class="new-log-reg__popup-text">
Ваш телефон <b><nobr class="js-phone-duplicate-phone"></nobr></b> уже
привязан к учетной записи <b><nobr class="js-phone-duplicate-acc"></nobr></b>.
Выберите учетную запись, с которой желаете продолжить работу.
Мы привяжем к ней телефон.
</p>
<input class="js-dod-phone-dup-modal-phone" type="hidden" value="" name="phone">
<div class="dod-phone-dup-modal__loader-container">
<div class="js-loader-content">
<div class="new-input-line">
<button
class="new-button new-button_md new-button_full new-button_one-line
new-button_blue-inverse js-stats js-dod-phone-dup-modal-submit"
type="submit"
data-value="1"
data-event="Register;double_tel_ok"
>
Текущий аккаунт <nobr class="js-phone-duplicate-self-acc"></nobr>
</button>
</div>
<div class="new-input-line">
<button
class="new-button new-button_md new-button_full new-button_one-line
new-button_blue js-stats js-dod-phone-dup-modal-submit"
type="submit"
data-value="0"
data-event="Register;double_tel_ok"
>
Войти в аккаунт <nobr class="js-phone-duplicate-acc"></nobr>
</button>
</div>
<div class="new-input-line js-error hide">
<span class="new-input-line__error new-log-reg__popup-error js-error-text"></span>
</div>
</div>
<div
class="js-loader loader loader_absolute-center loader_md ic ic-loader"
style="display: none;"
></div>
</div>
</form>
</div>
</div>
</div>
<div class="modal-container hide" data-modal-id="teacher-enrollment">
<div class="modal-wrapper modal-wrapper_dark js-modal-wrapper" data-no-wrapper-close="true">
<div class="modal new-log-reg__popup">
<form class="new-log-reg__popup-body js-email-terms-update js-form-in-modal"
action="/teacher/request/"
data-modal="teacher-enrollment">
<div class="modal__close new-ic new-ic-close-inverse new-log-reg__popup-close js-close-modal"></div>
<div class="new-log-reg__popup-title">
Заполните номер телефона
</div>
<div class="new-log-reg__popup-text new-log-reg__popup-text_slim">
Для отправки заявки в преподаватели заполните номер телефона
</div>
<div class="new-input-line new-input-line_slim new-input-line_relative">
<input type="text"
class="new-input new-input_full js-placeholder js-input
js-required
"
maxlength="255"
name="phone"
autocomplete="off"
data-js-mask="phone"
required
placeholder="Телефон"
/>
<div class="new-input-error new-input-error_bottom js-validation-error hide "></div>
<div class="new-input-error new-input-error_info new-input-error_bottom hide"></div>
</div>
<div class="new-input-line js-error hide">
<span class="new-input-line__error new-log-reg__popup-error js-text"></span>
</div>
<div class="new-input-line">
<button class="new-button new-button_md new-button_full new-button_blue"
type="submit">Отправить
</button>
</div>
</form>
</div>
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