bebeboutik/modules/purchaseguide/classes/GuidePost.php

<?php

class GuidePost extends ObjectModel
{
	public $id;
	public $id_guide_post;
	public $id_guide_category;
	public $position;
	public $active;
	public $meta_title;
	public $meta_description;
	public $meta_keywords;
	public $content;
	public $link_rewrite;

 	protected $fieldsValidate = array('id_guide_category' => 'isUnsignedInt');
	protected $fieldsRequiredLang = array('meta_title', 'link_rewrite');
	protected $fieldsSizeLang = array('meta_description' => 255, 'meta_keywords' => 255, 'meta_title' => 128, 'link_rewrite' => 128, 'content' => 3999999999999);
	protected $fieldsValidateLang = array('meta_description' => 'isGenericName', 'meta_keywords' => 'isGenericName', 'meta_title' => 'isGenericName', 'link_rewrite' => 'isLinkRewrite', 'content' => 'isString');

	protected $table = 'guide_post';
	protected $identifier = 'id_guide_post';
	
	protected	$webserviceParameters = array(
		'objectNodeName' => 'content',
		'objectsNodeName' => 'content_management_system',
	);
	
	public function getFields() 
	{ 
		parent::validateFields();
		$fields['id_guide_post'] = (int)($this->id);
		$fields['id_guide_category'] = (int)($this->id_guide_category);
		$fields['position'] = (int)($this->position);
		$fields['active'] = (int)($this->active);
		return $fields;	 
	}
	
	public function getTranslationsFieldsChild()
	{
		parent::validateFieldsLang();

		$fieldsArray = array('meta_title', 'meta_description', 'meta_keywords', 'link_rewrite');
		$fields = array();
		$languages = Language::getLanguages(false);
		$defaultLanguage = (int)(Configuration::get('PS_LANG_DEFAULT'));
		foreach ($languages as $language)
		{
			$fields[$language['id_lang']]['id_lang'] = (int)($language['id_lang']);
			$fields[$language['id_lang']][$this->identifier] = (int)($this->id);
			$fields[$language['id_lang']]['content'] = (isset($this->content[$language['id_lang']])) ? pSQL($this->content[$language['id_lang']], true) : '';
			foreach ($fieldsArray as $field)
			{
				if (!Validate::isTableOrIdentifier($field))
					die(Tools::displayError());
				if (isset($this->{$field}[$language['id_lang']]) AND !empty($this->{$field}[$language['id_lang']]))
					$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$language['id_lang']]);
				elseif (in_array($field, $this->fieldsRequiredLang))
					$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$defaultLanguage]);
				else
					$fields[$language['id_lang']][$field] = '';
			}
		}
		return $fields;
	}
	
	public function updatePosition($way, $position)
	{
		if (!$res = Db::getInstance()->ExecuteS('
			SELECT cp.`id_guide_post`, cp.`position`, cp.`id_guide_category` 
			FROM `'._DB_PREFIX_.'guide_post` cp
			WHERE cp.`id_guide_category` = '.(int)$this->id_guide_category.' 
			ORDER BY cp.`position` ASC'
		))
			return false;
		
		foreach ($res AS $guide_post)
			if ((int)($guide_post['id_guide_post']) == (int)($this->id))
				$movedPost = $guide_post;
		
		if (!isset($movedPost) || !isset($position))
			return false;
		
		// < and > statements rather than BETWEEN operator
		// since BETWEEN is treated differently according to databases
		return (Db::getInstance()->Execute('
			UPDATE `'._DB_PREFIX_.'guide_post`
			SET `position`= `position` '.($way ? '- 1' : '+ 1').'
			WHERE `position` 
			'.($way 
				? '> '.(int)($movedPost['position']).' AND `position` <= '.(int)($position)
				: '< '.(int)($movedPost['position']).' AND `position` >= '.(int)($position)).'
			AND `id_guide_category`='.(int)($movedPost['id_guide_category']))
		AND Db::getInstance()->Execute('
			UPDATE `'._DB_PREFIX_.'guide_post`
			SET `position` = '.(int)($position).'
			WHERE `id_guide_post` = '.(int)($movedPost['id_guide_post']).'
			AND `id_guide_category`='.(int)($movedPost['id_guide_category'])));
	}

	public	function add($autodate = true, $nullValues = false)
	{
		$this->position = self::getLastPosition((int)$this->id_guide_category);
		return parent::add($autodate, $nullValues);
	}

	public	function update($autodate = true, $nullValues = false)
	{
		$this->position = self::cleanupPositions((int)$this->id_guide_category);
		return parent::update($autodate, $nullValues);
	}

	public function delete()
	{
		$id_guide_category = $this->id_guide_category;

		if (!parent::delete()) {
			return false;
		}
		
		$this->cleanupPositions($id_guide_category);

		return true;
	}

	public static function getLastPosition($id_guide_category)
	{
		$position = Db::getInstance()->getValue('SELECT MAX(position)+1 FROM `'._DB_PREFIX_.'guide_post` WHERE `id_guide_category` = '.(int)($id_guide_category));
		return $position?:1;
	}

	private function cleanupPositions($id_guide_category)
	{
		$sql = 'SELECT `id_guide_post`
				FROM `'._DB_PREFIX_.'guide_post`
				WHERE `id_guide_category` = '.intval($id_guide_category).'
				ORDER BY `position` ASC';
		$rows = Db::getInstance()->ExecuteS($sql);
		
		$position = 1;
		foreach($rows as $row) {
			$sql = 'UPDATE `'._DB_PREFIX_.'guide_post`
				SET `position` = '.$position.'
				WHERE `id_guide_post` = '.$row['id_guide_post'];
			Db::getInstance()->Execute($sql);
			$position++;
		}
		return $position;
	}
}