#77 Add monolog

common.php

@@ -42,6 +42,10 @@ $di->register(new \TorrentPier\ServiceProviders\ConfigServiceProvider, [
 	'config.file.local.main' => __DIR__ . '/library/config.local.php',
 ]);
 
+$di->register(new \TorrentPier\ServiceProviders\LogServiceProvider(), [
+    'config.log.handlers' => $di->config->log->handlers
+]);
+
 $di->register(new \TorrentPier\ServiceProviders\DbServiceProvider, [
 	'config.db' => $di->config->db->toArray()
 ]);

composer.json

@@ -41,7 +41,8 @@
 		"zendframework/zend-loader": "^2.5",
 		"zendframework/zend-mail": "^2.5",
 		"zendframework/zend-session": "^2.5",
-		"zendframework/zend-version": "^2.5"
+		"zendframework/zend-version": "^2.5",
+		"monolog/monolog": "^1.18"
 	},
 	"autoload": {
 		"psr-4": {

library/config.php

@@ -62,6 +62,18 @@ $config = [
 		]
 	],
 
+    // Log
+    'log' => [
+        'handlers' => [
+            function () {
+                return new \Monolog\Handler\StreamHandler(
+                    __DIR__.'/../internal_data/log/app.log',
+                    \Monolog\Logger::DEBUG
+                );
+            }
+        ]
+    ],
+
 	// Aliases
 	// TODO: удалить
 	'db_alias' => [

src/Log.php

@@ -0,0 +1,147 @@
+<?php
+
+namespace TorrentPier;
+
+use Monolog\Logger;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class Log
+ * @package TorrentPier
+ */
+class Log
+{
+    /**
+     * @var Logger
+     */
+    private static $logger;
+
+    /**
+     * @param LoggerInterface $logger
+     */
+    public static function setLogger(LoggerInterface $logger)
+    {
+        static::$logger = $logger;
+    }
+
+    /**
+     * @return Logger
+     */
+    public static function getLogger()
+    {
+        if (!static::$logger) {
+            static::setLogger(Di::getInstance()->log);
+        }
+
+        return static::$logger;
+    }
+
+    /**
+     * Adds a log record at an arbitrary level.
+     *
+     * @param mixed $level
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function log($level, $message, array $context = array())
+    {
+        return static::getLogger()->log($level, $message, $context);
+    }
+
+    /**
+     * Adds a log record at the DEBUG level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function debug($message, array $context = array())
+    {
+        return static::getLogger()->debug($message, $context);
+    }
+
+    /**
+     * Adds a log record at the INFO level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function info($message, array $context = array())
+    {
+        return static::getLogger()->info($message, $context);
+    }
+
+    /**
+     * Adds a log record at the NOTICE level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function notice($message, array $context = array())
+    {
+        return static::getLogger()->notice($message, $context);
+    }
+
+    /**
+     * Adds a log record at the WARNING level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function warning($message, array $context = array())
+    {
+        return static::getLogger()->warning($message, $context);
+    }
+
+    /**
+     * Adds a log record at the ERROR level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function error($message, array $context = array())
+    {
+        return static::getLogger()->error($message, $context);
+    }
+
+    /**
+     * Adds a log record at the CRITICAL level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function critical($message, array $context = array())
+    {
+        return static::getLogger()->critical($message, $context);
+    }
+
+    /**
+     * Adds a log record at the ALERT level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function alert($message, array $context = array())
+    {
+        return static::getLogger()->alert($message, $context);
+    }
+
+    /**
+     * Adds a log record at the EMERGENCY level.
+     *
+     * @param string $message
+     * @param array $context
+     * @return bool
+     */
+    public static function emergency($message, array $context = array())
+    {
+        return static::getLogger()->emergency($message, $context);
+    }
+}

src/ServiceProviders/LogServiceProvider.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace TorrentPier\ServiceProviders;
+
+use Monolog\Logger;
+use Pimple\Container;
+use Pimple\ServiceProviderInterface;
+
+/**
+ * Class LogServiceProvider
+ * @package TorrentPier\ServiceProviders
+ */
+class LogServiceProvider implements ServiceProviderInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function register(Container $container)
+    {
+        $container['logger'] = function ($container) {
+            return function ($name) {
+                return new Logger(strtoupper($name));
+            };
+        };
+
+        $container['log'] = function ($container) {
+            /** @var Logger $logger */
+            $logger = $container['logger']('app');
+            foreach ($container['config.log.handlers'] as $logHandler) {
+                $logger->pushHandler(call_user_func($logHandler));
+            }
+
+            return $logger;
+        };
+    }
+}

styleguide.php

@@ -30,6 +30,12 @@ $db = $di->db;
 //    });
 //});
 
+///** @var \Monolog\Logger $log */
+//$log = $di->log;
+//$log->debug('test debug information');
+
+\TorrentPier\Log::info('You will see the style guide');
+
 $query = function(\Zend\Db\Sql\Select $select) {
     $select->columns(['id' => 'user_id', 'name' => 'username']);
     $select->join(['t' => BB_TOPICS], 't.topic_poster = u.user_id', ['title' => 'topic_title']);