add image upload in categories

.gitignore

@@ -117,3 +117,5 @@ modules/logistics/carriers/laposte/summaries/*.pdf
 modules/labelgenerate/img/
 modules/product_vouchers/*.csv
 modules/labelgenerate/img/*
+modules/purchaseguide/img/*
+

modules/purchaseguide/AdminGuide.php

@@ -3,5 +3,45 @@ class AdminGuide extends AdminTab
 {
 	public function display()
 	{
+		global $smarty;
+
+		if(Configuration::get('PS_REWRITING_SETTINGS')) {
+
+			$module_name = Module::getModuleNameFromClass('AdminGuide');
+
+			$langs = Language::getLanguages(true);
+
+			$urls_i18n = array(
+				'fr' => 'guide',
+				'en' => 'guide',
+			);
+
+			$str_rewrite_rules = 'RewriteRule ^%s/([0-9]+)\-[a-zA-Z0-9-]*$ '.__PS_BASE_URI__.'modules/'.$module_name.'/page.php?id_guide_post=$1 [QSA,L]'."\n";
+
+
+			if(count($langs) > 1) {
+				$rewrite_rules = '';
+				foreach($langs as $lang) {
+					if(isset($urls_i18n[$lang['iso_code']])) {
+						$index = $lang['iso_code'];
+					} else {
+						$index = 'en';
+					}
+					$rewrite_rules .= sprintf($str_rewrite_rules, $lang['iso_code'].'/'.$urls_i18n[$index]);
+				}
+			} else {
+				if(isset($urls_i18n[$langs[0]['iso_code']])) {
+					$index = $langs[0]['iso_code'];
+				} else {
+					$index = 'en';
+				}
+				$rewrite_rules = sprintf($str_rewrite_rules, $urls_i18n[$index]);
+			}
+
+			
+			$smarty->assign('rewrite_rules', htmlentities($rewrite_rules));
+
+			echo $smarty->fetch(__DIR__.'/templates/home_adminguide.tpl');
+		}
 	}
 }

modules/purchaseguide/AdminGuideCategories.php

@@ -4,12 +4,17 @@ require_once(__DIR__.'/classes/FormBuilder.php');
 
 class AdminGuideCategories extends AdminTab
 {
+	const IMG_WIDTH = 300;
+	const IMG_HEIGHT = 200;
+
 	private static $current_category = 0;
 	private static $category_parent = 0;
+	private $maxImageBytes = 0;
 
 	public function __construct()
 	{
 		global $cookie;
+		$this->maxImageBytes = (Configuration::get('PS_LIMIT_UPLOAD_IMAGE_VALUE') * 1000000);
 
 		$this->table = 'guide_category';
 	 	$this->className = 'GuideCategory';
@@ -122,6 +127,16 @@ class AdminGuideCategories extends AdminTab
 				'type' => 'textarea',
 				'translatable' => true,
 				),
+			'image' => array(
+				'title' => $this->l('Image'),
+				'type' => 'file',
+				'file_attrs' => [
+					'max_bytes' => $this->maxImageBytes,
+					'allowed_format' => 'JPEG',
+					'html_file' => "img",
+					'path' => $obj->getImageFileUrl()
+					]
+				),
 			'active' => array(
 				'title' => $this->l('Displayed'),
 				'type' => 'yesno',
@@ -238,10 +253,60 @@ class AdminGuideCategories extends AdminTab
 			<img src="../img/admin/delete.gif" alt="'.$_cacheLang['Delete'].'" title="'.$_cacheLang['Delete'].'" /></a>';
 	}
 
+
 	public function postProcess()
 	{	
-		global $currentIndex;
+		if (isset($_GET['delete'.$this->table]) ||
+			Tools::getValue('submitDel'.$this->table)) {
+			$this->postProcessDelete();
+			return;
+	    }
 
+		parent::postProcess();
+	}
+
+
+	protected function afterUpdate()
+	{
+		return $this->afterAdd();
+	}
+	protected function afterAdd()
+	{
+		if (isset($_FILES['image']['tmp_name']) &&
+			$_FILES['image']['tmp_name'] != NULL) {
+			
+			$object = $this->loadObject();
+			$error = checkImage( $_FILES['image'], $this->maxImageSize);
+			if ($error) {
+	            $this->_errors[] = $error;
+	            return false;
+			}
+
+			$tmpName = tempnam(_PS_TMP_IMG_DIR_, 'PS');
+
+            if (!$tmpName OR !move_uploaded_file($_FILES['image']['tmp_name'], $tmpName)) {
+                $this->_errors[] = Tools::displayError('An error occurred during the image upload');
+                return false;
+            }
+
+            $new_path = $object->getImageFilePath();
+
+            if (file_exists($new_path)) {
+            	@unlink($new_path);
+            }
+            if (!imageResize($tmpName, $new_path, self::IMG_WIDTH, self::IMG_HEIGHT)) {
+                $this->_errors[] = Tools::displayError('An error occurred while copying image.');
+                return false;
+            }
+
+            @unlink($tmpName);
+            
+		}
+        return true;
+	}
+
+	private function postProcessDelete()
+	{
 		if ($this->tabAccess['delete'] === '1')
 		{
 			if (isset($_GET['delete'.$this->table])) {
@@ -291,7 +356,5 @@ class AdminGuideCategories extends AdminTab
 				return;
 			}
 		}
-		parent::postProcess();
 	}
-
 }

modules/purchaseguide/classes/FormBuilder.php

@@ -70,9 +70,12 @@ class FormBuilder
 			$field['name'] = $key;
 			$field['value'] = '';
 			$field['html_attrs'] = '';
+			$field['allowed_format'] = '';
+			$field['max_size'] = '';
 
 			$this->prepareTemplatePath($field);
 			$this->prepareInputHtmlAttributes($field);
+			$this->prepareFileInput($field);
 			$this->prepareSelectOptions($field);
 			$this->prepareTinyMCE($field, $cookie);
 			$this->updateValueFields($field, $obj, $key, $langs);
@@ -84,6 +87,35 @@ class FormBuilder
 		$field['template'] = self::FORM_DIR.$field['type'].'.tpl';
 	}
 
+	private function prepareFileInput(&$field)
+	{
+		if (isset($field['file_attrs']) && is_array($field['file_attrs'])) {
+			
+			if (isset($field['file_attrs']['path'])) {
+				$field['file_path'] = $field['file_attrs']['path'];
+			}
+
+			if (isset($field['file_attrs']['html_file'])) {
+				$field['html_file'] = $field['file_attrs']['html_file'];
+			}
+
+			if (isset($field['file_attrs']['allowed_format'])) {
+				$field['allowed_format'] = $field['file_attrs']['allowed_format'];
+			}
+
+			if (isset($field['file_attrs']['max_bytes'])) {
+
+				$max_size = intval($field['file_attrs']['max_bytes'])/1000;
+				if ($max_size > 1000) {
+					$field['max_size'] = ($max_size/1000).' Mb';
+				}
+				else {
+					$field['max_size'] = $max_size.' Kb';
+				}
+			}
+		}
+	}
+
 	private function prepareInputHtmlAttributes(&$field)
 	{
 		if (isset($field['attrs']) && is_array($field['attrs'])) {

modules/purchaseguide/classes/GuideCategory.php

@@ -56,6 +56,26 @@ class GuideCategory extends ObjectModel
 		return $fields;
 	}
 
+	public static function getSubPath()
+	{
+		return 'modules/purchaseguide/img';
+	}
+
+	public function getImageFilePath()
+	{
+		if ($this->id) {
+			return _PS_ROOT_DIR_.'/'.self::getSubPath().'/'.$this->id.'.jpg';
+		}
+		return '';
+	}
+
+	public function getImageFileUrl()
+	{
+		if ($this->id) {
+			return __PS_BASE_URI__.self::getSubPath().'/'.$this->id.'.jpg';
+		}
+		return '';
+	}
 
 	public static function findCategoriesTree($id_lang, $exclude_id=0)
 	{

modules/purchaseguide/purchaseguide.php

@@ -2,6 +2,8 @@
 if (!defined('_PS_VERSION_'))
   exit;
 
+require_once(__DIR__.'/classes/GuideCategory.php');
+
 class PurchaseGuide extends Module 
 {
 	const MODULE_NAME = 'purchaseguide';
@@ -23,6 +25,7 @@ class PurchaseGuide extends Module
 		if(!parent::install()
 			|| !$this->installTabs()
 			|| !$this->createTables()
+			|| !$this->installImageAddon()
 			) {
 			$this->uninstall();
 			return FALSE;
@@ -36,6 +39,7 @@ class PurchaseGuide extends Module
 	{
 		$this->uninstallTabs();
 		$this->dropTables();
+		$this->uninstallImageAddon();
 
 		return parent::uninstall();
 	}
@@ -217,4 +221,31 @@ class PurchaseGuide extends Module
 		}
 	}
 
+	private function installImageAddon()
+	{
+		// Add image type
+		Db::getInstance()->Execute('
+			INSERT INTO `'._DB_PREFIX_.'image_type` VALUES (
+				DEFAULT, "guide_category", 980, 480, 0, 0, 0, 0, 0, 0
+			)
+		');
+
+		// Add image folder
+		$path = GuideCategory::getImagePath();
+
+		if(!is_dir($path))  {
+            mkdir($path, 0775);
+        }
+
+        return true;
+	}
+
+	private function uninstallImageAddon()
+	{
+		// Remove image type
+		Db::getInstance()->ExecuteS('
+			DELETE FROM `'._DB_PREFIX_.'image_type` WHERE `name` = "guide_category"
+		');
+	}
+
 }

modules/purchaseguide/templates/form/file.tpl

@@ -0,0 +1,29 @@
+				<label>{$input.title} : </label>
+
+				<div class="margin-form">
+
+					{if $input.file_path != ''}
+						{if $input.html_file == 'img'}
+							<div style="margin-bottom:20px;width: 200px; height:150px; background:url('{$input.file_path}');background-size:cover;background-repeat: no-repeat;">
+							</div>
+						{/if}
+					{/if}
+					<input type="file" style="width: 260px" name="{$input.name}" id="{$input.name}" value="{$input.name}" {$input.html_attrs} >
+
+					{if isset($input.required) && $input.required}
+					<sup> *</sup>
+					{/if}
+					<p>
+					{if $input.allowed_format}
+					{l s='Format'} : {$input.allowed_format}.
+					{/if}
+
+					{if $input.max_size}
+					File size'} : 
+					{$input.max_size} {l s='max'}.
+					{/if}
+					</p>
+
+					<p class="clear"></p>
+				</div>
+				

modules/purchaseguide/templates/home_adminguide.tpl

@@ -0,0 +1,9 @@
+			<br /><br />
+
+			<fieldset>
+				<legend><img src="../img/admin/tab-tools.gif" alt="" />{l s='URL Rewriting settings'}</legend>
+
+				<p>{l s='Add the following text to the custom rewriting rules (Tools &gt; Generators'} :</p>
+				<p> </p>
+				<textarea style="width: 850px; height: 120px;" readonly="true">{$rewrite_rules}</textarea>
+			</fieldset>