Lesson4

config/config.php

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+<?php
+define('ROOT', dirname(__DIR__));
+define('IMG_BIG', $_SERVER['DOCUMENT_ROOT'] . '/images/gallery_img/big/');
+define('IMG_SMALL', $_SERVER['DOCUMENT_ROOT'] . '/images/gallery_img/small/');
+define('TEMPLATES_DIR', ROOT . '/templates/');
+define('LAYOUTS_DIR', 'layouts/');
+
+include ROOT . "/engine/functions.php";
+include ROOT . "/engine/log.php";
+include ROOT . "/engine/gallery.php";
+include ROOT . "/engine/classSimpleImage.php";

engine/classSimpleImage.php

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+<?php
+/*
+* File: SimpleImage.php
+* Author: Simon Jarvis
+* Copyright: 2006 Simon Jarvis
+* Date: 08/11/06
+* Link: http://www.white-hat-web-design.co.uk/articles/php-image-resizing.php
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details:
+* http://www.gnu.org/licenses/gpl.html
+*
+*/
+
+class SimpleImage {
+
+   var $image;
+   var $image_type;
+
+   function load($filename) {
+      $image_info = getimagesize($filename);
+      $this->image_type = $image_info[2];
+      if( $this->image_type == IMAGETYPE_JPEG ) {
+         $this->image = imagecreatefromjpeg($filename);
+      } elseif( $this->image_type == IMAGETYPE_GIF ) {
+         $this->image = imagecreatefromgif($filename);
+      } elseif( $this->image_type == IMAGETYPE_PNG ) {
+         $this->image = imagecreatefrompng($filename);
+      }
+   }
+   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
+      if( $image_type == IMAGETYPE_JPEG ) {
+         imagejpeg($this->image,$filename,$compression);
+      } elseif( $image_type == IMAGETYPE_GIF ) {
+         imagegif($this->image,$filename);
+      } elseif( $image_type == IMAGETYPE_PNG ) {
+         imagepng($this->image,$filename);
+      }
+      if( $permissions != null) {
+         chmod($filename,$permissions);
+      }
+   }
+   function output($image_type=IMAGETYPE_JPEG) {
+      if( $image_type == IMAGETYPE_JPEG ) {
+         imagejpeg($this->image);
+      } elseif( $image_type == IMAGETYPE_GIF ) {
+         imagegif($this->image);
+      } elseif( $image_type == IMAGETYPE_PNG ) {
+         imagepng($this->image);
+      }
+   }
+   function getWidth() {
+      return imagesx($this->image);
+   }
+   function getHeight() {
+      return imagesy($this->image);
+   }
+   function resizeToHeight($height) {
+      $ratio = $height / $this->getHeight();
+      $width = $this->getWidth() * $ratio;
+      $this->resize($width,$height);
+   }
+   function resizeToWidth($width) {
+      $ratio = $width / $this->getWidth();
+      $height = $this->getheight() * $ratio;
+      $this->resize($width,$height);
+   }
+   function scale($scale) {
+      $width = $this->getWidth() * $scale/100;
+      $height = $this->getheight() * $scale/100;
+      $this->resize($width,$height);
+   }
+   function resize($width,$height) {
+      $new_image = imagecreatetruecolor($width, $height);
+      imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
+      $this->image = $new_image;
+   }
+}

engine/functions.php

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+<?php
+
+function render($page, $params = [], $layout = 'main'){
+    return renderTemplate(LAYOUTS_DIR . $layout, [
+            'content' => renderTemplate($page, $params),
+            'menu' => renderTemplate('menu'),
+        ]
+    );
+}
+
+function renderTemplate($page, $params = []){
+    ob_start();
+
+    if (!is_null($params))
+        extract($params);
+
+    $fileName = TEMPLATES_DIR . $page . ".php";
+
+    if (file_exists($fileName)) {
+        include $fileName;
+    } else {
+        Die("Страницы {$fileName} не существует.");
+    }
+
+    return ob_get_clean();
+}

engine/gallery.php

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+<?php
+function getGallery($path){
+	return $images = array_splice(scandir($path), 2);
+}
+
+function uploadImage(){
+	$path_big = IMG_BIG . $_FILES['image']['name'];
+	$path_small = IMG_SMALL . $_FILES['image']['name'];
+
+	$image_info = getimagesize($_FILES['image']['tmp_name']);
+
+	if ($image_info['mime'] != 'image/png' && $image_info['mime'] != 'image/gif' && $image_info['mime'] != 'image/jpeg') {
+		echo "Можно загружать только jpg/png/gif/jpeg - файлы<br>";
+		exit;
+	}
+
+	if ($_FILES['image']['size'] > 1024 * 5 * 1024) {
+		echo "Размер файла не более 5 Мб<br>";
+		exit;
+	}
+
+	$blacklist = ['.php', '.phtml', '.php3', '.php4'];
+	foreach ($blacklist as $item) {
+		if(preg_match("/$item\$/i", $_FILES['image']['name'])){
+			echo "Загрузка php-файлов запрещена<br>";
+			exit;
+		}
+	}
+
+	if (move_uploaded_file($_FILES['image']['tmp_name'], $path_big)) {
+
+		$image = new SimpleImage();
+		$image->load($path_big);
+		$image->resizeToWidth(250);
+		$image->save($path_small);
+		header("Location: /?page=gallery");
+	} else {
+		echo "Ошибка ресайза файла<br>";
+	}
+}

public/index.php

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+<?php
+
+include $_SERVER['$DOCUMENT_ROOT'] . "../config/config.php";
+
+if (isset($_GET['page'])) {
+    $page = $_GET['page'];
+} else {
+    $page = 'index';
+}
+
+$params = [];
+$layout = 'main';
+
+switch ($page) {
+	case 'index':
+		break;
+	case 'gallery':
+
+		if(isset($_POST['load'])){
+			uploadImage();
+		}
+
+		$layout = 'gallery';
+		$params['gallery'] = getGallery(IMG_BIG);
+		break;
+	case 'homework_3':
+		$layout = 'homework_3';
+		break;
+}
+// _log($params, 'params');
+echo render($page, $params, $layout);

public/js/modal.js

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+const block = document.querySelector('.gallery_wrapper');
+
+function handleEvents() {
+	block.addEventListener('click', (e) => {
+		if (e.target.classList.contains('gallery_img')) {
+			e.target.classList.toggle('active');
+		}
+	});
+}
+handleEvents();