homework 4 Bracket validator

.env.example

@@ -0,0 +1,2 @@
+UID=3000
+NGINX_PHP_USER=nginxphpuser

.gitignore

@@ -0,0 +1,3 @@
+.env
+data
+vendor

app/composer.json

@@ -0,0 +1,18 @@
+{
+    "name": "rsm/app",
+    "type": "project",
+    "authors": [
+        {
+            "name": "yessaliyev",
+            "email": "40271311+yessaliyev@users.noreply.github.com"
+        }
+    ],
+    "require": {
+        "php": ">=7.4"
+    },
+    "autoload": {
+        "psr-4": {
+            "App\\": "src"
+        }
+    }
+}

app/public/index.php

@@ -0,0 +1,13 @@
+<?php
+
+require '../vendor/autoload.php';
+
+use App\App;
+use App\Response;
+
+try {
+    $app = new App();
+    $app->run();
+} catch (\Throwable $e) {
+   Response::send($e->getCode(), $e->getMessage());
+}

app/src/App.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App;
+
+use App\Bracket\BracketValidator;
+use App\Exceptions\RequestException;
+
+class App
+{
+    /**
+     * @throws RequestException
+     */
+    public function run()
+    {
+        $data = (new Request())->getData();
+
+        if (empty($data['string'])) {
+            throw new RequestException('Не передан string', 400);
+        }
+
+        $validator = new BracketValidator($data['string']);
+        $validator->check();
+    }
+}

app/src/Bracket/BracketValidator.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Bracket;
+
+use App\Exceptions\RequestException;
+use App\Response;
+
+class BracketValidator
+{
+    private array $brackets;
+
+    public function __construct(string $brackets)
+    {
+        $this->brackets = str_split($brackets);
+    }
+
+    public function check()
+    {
+        if (!$this->validate()) {
+            throw new RequestException('invalid format', 400);
+        }
+
+        Response::send(200, 'correct');
+    }
+
+    private function validate() : bool
+    {
+        if (empty($this->brackets)) {
+            return false;
+        }
+
+        $counter = 0;
+        foreach ($this->brackets as $bracket) {
+            if ($bracket === '(') {
+                $counter++;
+            } else {
+                $counter--;
+            }
+        }
+        return $counter === 0 && end($this->brackets) !== '(';
+    }
+}

app/src/Exceptions/RequestException.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Exceptions;
+
+use Throwable;
+
+class RequestException extends \Exception
+{
+    public function __construct($message = "", $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+}

app/src/Request.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App;
+
+use App\Exceptions\RequestException;
+
+class Request
+{
+    private array $data;
+
+    /**
+     * Request constructor.
+     * @throws RequestException
+     */
+    public function __construct()
+    {
+        $json = file_get_contents('php://input');
+
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            throw new RequestException(json_last_error_msg(), 400);
+        }
+
+        $this->data = json_decode($json, true);
+    }
+
+    public function getData(): array
+    {
+        return $this->data;
+    }
+}

app/src/Response.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App;
+
+class Response
+{
+    public static function send($code = 200, $message = '', $data = [])
+    {
+
+        http_response_code($code);
+        header('Content-Type: application/json');
+        $status = array(
+            200 => '200 OK',
+            400 => '400 Bad Request',
+            422 => 'Unprocessable Entity',
+            500 => '500 Internal Server Error'
+        );
+
+        header('Status: '.$status[$code]);
+
+        $data['status'] = $code < 300 ? "success" : "error";
+        $data['message'] = $message;
+        echo json_encode($data);
+    }
+}

docker-compose.yml

@@ -0,0 +1,29 @@
+version: '3.8'
+
+services:
+  nginx:
+    container_name: nginx
+    build:
+      context: ./docker/nginx
+      args:
+        UID: $UID
+        NGINX_PHP_USER: $NGINX_PHP_USER
+    volumes:
+      - ./app:/var/www/html
+      - ./docker/sock:/sock
+    ports:
+      - "8787:80"
+
+  php-fpm:
+    container_name: php-fpm
+    build:
+      context: ./docker/php-fpm
+      args:
+        UID: $UID
+        NGINX_PHP_USER: $NGINX_PHP_USER
+    volumes:
+      - ./app:/var/www/html
+      - ./docker/sock:/sock
+
+
+

docker/nginx/Dockerfile

@@ -0,0 +1,11 @@
+FROM nginx
+WORKDIR /var/www/html
+
+ARG UID
+ARG NGINX_PHP_USER
+
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY mysite.conf /etc/nginx/conf.d/default.conf
+RUN addgroup --gid $UID --system $NGINX_PHP_USER \
+  && adduser --uid $UID --system --disabled-login --disabled-password --gid $UID $NGINX_PHP_USER \
+  && sed -i -r "s/%REPLACE_USERNAME%/$NGINX_PHP_USER/g" /etc/nginx/nginx.conf

docker/nginx/mysite.conf

@@ -0,0 +1,21 @@
+server {
+    listen 80;
+    listen [::]:80;
+
+    index index.php;
+    root /var/www/html/public;
+
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+
+    location ~ \.php$ {
+        fastcgi_pass unix:/sock/docker.sock;
+        fastcgi_split_path_info ^(.+?\.php)(|/.*)$;
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+    }
+
+    error_log  /var/log/nginx/error.log;
+    access_log /var/log/nginx/access.log;
+}

docker/nginx/nginx.conf

@@ -0,0 +1,40 @@
+user %REPLACE_USERNAME%;
+worker_processes auto;
+
+pid        /var/run/nginx.pid;
+error_log /var/log/nginx/error.log crit;
+
+events {
+    use epoll;
+    worker_connections 4096;
+    multi_accept on;
+}
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    access_log off;
+
+    keepalive_timeout  30;
+    keepalive_requests 100;
+
+    client_max_body_size  1m;
+    client_body_timeout 10;
+    reset_timedout_connection on;
+    send_timeout 2;
+    sendfile on;
+    tcp_nodelay on;
+    tcp_nopush on;
+
+    gzip on;
+    gzip_disable "msie6";
+    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/javascript;
+
+    open_file_cache max=200000 inactive=20s;
+    open_file_cache_valid 30s;
+    open_file_cache_min_uses 2;
+    open_file_cache_errors on;
+
+    include /etc/nginx/conf.d/*.conf;
+
+}

docker/php-fpm/Dockerfile

@@ -0,0 +1,50 @@
+FROM php:7.4-fpm
+
+ARG UID
+ARG NGINX_PHP_USER
+ENV DOCKER_PATH=/usr/local/etc/php-fpm.d/zz-docker.conf
+
+COPY zz-docker.conf $DOCKER_PATH
+
+
+RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" \
+  && apt-get update \
+  && apt-get install -y \
+      git \
+      curl \
+      wget \
+      grep \
+      zip \
+      unzip \
+      libmemcached-dev \
+      zlib1g-dev \
+      libzip-dev \
+      libcurl4-openssl-dev \
+      libbrotli-dev \
+      libevent-dev \
+      libicu-dev \
+      libidn11-dev \
+      libidn2-0-dev \
+      libssl-dev \
+      libpq-dev \
+      libonig-dev \
+      librabbitmq-dev \
+      nano \
+  && docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql \
+  && pecl install memcached \
+  && docker-php-ext-enable memcached \
+  && docker-php-ext-install pdo pdo_pgsql pgsql \
+  && pecl install xdebug-2.9.8 && docker-php-ext-enable xdebug \
+  && pecl install -o redis && docker-php-ext-enable redis \
+  && docker-php-ext-install zip sockets bcmath mbstring \
+  && pecl install amqp && docker-php-ext-enable amqp \
+  && addgroup --gid $UID --system $NGINX_PHP_USER \
+  && adduser --uid $UID --system --disabled-login --disabled-password --gid $UID $NGINX_PHP_USER \
+  && sed -i -r "s/%REPLACE_USERNAME%/$NGINX_PHP_USER/g" $DOCKER_PATH \
+  && rm -rf /tmp/pear
+
+RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+
+WORKDIR /var/www/html
+
+CMD ["php-fpm"]

docker/php-fpm/zz-docker.conf

@@ -0,0 +1,8 @@
+[global]
+daemonize = no
+
+[www]
+listen = /sock/docker.sock
+listen.owner = %REPLACE_USERNAME%
+listen.group = %REPLACE_USERNAME%
+listen.mode = 0660