Просмотр файла modules/forum/controllers/forum.php

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<?php
/**
 * Ant0ha's project
 *
 * @package
 * @author Anton Pisarenko <[email protected]>
 * @copyright Copyright (c) 2006 - 2010, Anton Pisarenko
 * @license http://ant0ha.ru/license.txt
 * @link http://ant0ha.ru
 */

defined('IN_SYSTEM') or die('<b>403<br />Запрет доступа!</b>');

//---------------------------------------------

/**
 * Контроллер форма, пользовательская часть
 */
class Forum_Controller extends Controller {
	/**
	* Метод по умолчанию
	*/
	public function action_index() {
		$this->action_list_sections();
	}

	/**
	* Список разделов
	*/
	public function action_list_sections() {
		$sections = array();
    	$result = $this->db->query("SELECT * FROM #__forum_sections ORDER BY position");
    	while($section = $this->db->fetch_array($result)) {
    		if($this->config['forum']['show_forums_in_list_sections'] || $section['section_id'] == @$_GET['section_id']) {
    			$section['forums'] = array();
    			$result1 = $this->db->query("SELECT * FROM #__forum_forums WHERE section_id = '". $section['section_id'] ."' ORDER BY position");
    			while($forum = $this->db->fetch_array($result1)) $section['forums'][] = $forum;
    		}
    		$sections[] = $section;
    	}

    	$this->tpl->assign(array(
    		'sections' => $sections
    	));

    	$this->tpl->display('list_sections');
	}

	/**
	* Просмотр форума
	*/
	public function action_viewforum() {
		$this->per_page = $this->config['forum']['topics_per_page'];

    	if(!$forum = $this->db->get_row("SELECT * FROM #__forum_forums WHERE forum_id = '". intval($_GET['forum_id']) ."'"))
    		a_error("Форум не найден!");

    	# Получение данных
  		$topics = $this->db->get_array("SELECT SQL_CALC_FOUND_ROWS ft.*, u.username AS last_username
  			FROM #__forum_topics AS ft
  			INNER JOIN #__users AS u ON ft.last_user_id = u.user_id
  			WHERE ft.forum_id = '". $forum['forum_id'] ."'
  			ORDER BY ft.is_top_topic DESC, ft.last_message_time DESC
  			LIMIT $this->start, $this->per_page
  		");

  		$total = $this->db->get_one("SELECT FOUND_ROWS()");

		# Пагинация
        $pg_conf['base_url'] = a_url('forum/viewforum', 'forum_id='. $_GET['forum_id'] .'&amp;start=');
		$pg_conf['total_rows'] = $total;
		$pg_conf['per_page'] = $this->per_page;

		a_import('libraries/pagination');
		$pg = new CI_Pagination($pg_conf);

		$this->tpl->assign(array(
			'topics' => $topics,
			'forum' => $forum,
			'total' => $total,
			'pagination' => $pg->create_links(),
			'section' => $this->db->get_row("SELECT * FROM #__forum_sections WHERE section_id = '". $forum['section_id'] ."'"),
			'messages_per_page' => $this->per_page
		));

		$this->tpl->display('viewforum');
	}

	/**
	* Просмотр темы
	*/
	public function action_viewtopic() {
		$this->per_page = $this->config['forum']['messages_per_page'];

    	if(!$topic = $this->db->get_row("SELECT * FROM #__forum_topics WHERE topic_id = '". intval($_GET['topic_id']) ."'"))
    		a_error("Тема не найдена!");

    	# Получение данных
  		$result = $this->db->query("SELECT SQL_CALC_FOUND_ROWS fm.*, u.username AS username, u.status AS user_status, up.avatar AS avatar_exists, u.last_visit
  			FROM #__forum_messages AS fm
  			INNER JOIN #__users AS u USING(user_id)
  			LEFT JOIN #__users_profiles AS up USING(user_id)
  			WHERE fm.topic_id = '". $topic['topic_id'] ."'
  			ORDER BY fm.message_id ASC
  			LIMIT $this->start, $this->per_page
  		");

  		$messages = array();
  		$num = $this->start;
  		if(!class_exists('smiles')) a_import('modules/smiles/helpers/smiles');
  		while($message = $this->db->fetch_array($result)) {
  			$message['num'] = ++$num;
  			$message['message'] = main::bbcode($message['message']);
  			$message['message'] = smiles::smiles_replace($message['message']);
  			$message['message'] = nl2br($message['message']);
  			$messages[] = $message;
  		}

  		$total = $this->db->get_one("SELECT FOUND_ROWS()");

		# Пагинация
        $pg_conf['base_url'] = a_url('forum/viewtopic', 'topic_id='. $_GET['topic_id'] .'&amp;start=');
		$pg_conf['total_rows'] = $total;
		$pg_conf['per_page'] = $this->per_page;

		a_import('libraries/pagination');
		$pg = new CI_Pagination($pg_conf);

		$this->tpl->assign(array(
			'messages' => $messages,
			'topic' => $topic,
			'total' => $total,
			'pagination' => $pg->create_links(),
			'forum' => $this->db->get_row("SELECT * FROM #__forum_forums WHERE forum_id = '". $topic['forum_id'] ."'")
		));

		$this->tpl->display('viewtopic');
	}

	/**
	* Закрепление / открепление темы
	*/
	public function action_topic_top() {
    	if(!$topic = $this->db->get_row("SELECT * FROM #__forum_topics WHERE topic_id = '". intval($_GET['topic_id']) ."'"))
    		a_error("Тема не найдена!");

    	if(ACCESS_LEVEL < 8) a_error('У вас нет прав на выполнение этой операции!');

    	$status = $_GET['a'] == 'top' ? 1 : 0;
    	$this->db->query("UPDATE #__forum_topics SET is_top_topic = '$status' WHERE topic_id = '". $topic['topic_id'] ."'");

    	header("Location: ". a_url('forum/viewforum', 'forum_id='. $topic['forum_id'] .'&start='. @$_GET['start'], TRUE));
    	exit;
	}

	/**
	* Закрытие / окрытие темы
	*/
	public function action_topic_close() {
    	if(!$topic = $this->db->get_row("SELECT * FROM #__forum_topics WHERE topic_id = '". intval($_GET['topic_id']) ."'"))
    		a_error("Тема не найдена!");

    	if(ACCESS_LEVEL < 8) a_error('У вас нет прав на выполнение этой операции!');

    	$status = $_GET['a'] == 'close' ? 1 : 0;
    	$this->db->query("UPDATE #__forum_topics SET is_close_topic = '$status' WHERE topic_id = '". $topic['topic_id'] ."'");

    	header("Location: ". a_url('forum/viewforum', 'forum_id='. $topic['forum_id'] .'&start='. @$_GET['start'], TRUE));
    	exit;
	}

	/**
	* Закрытие / окрытие темы
	*/
	public function action_topic_delete() {
    	if(!$topic = $this->db->get_row("SELECT * FROM #__forum_topics WHERE topic_id = '". intval($_GET['topic_id']) ."'"))
    		a_error("Тема не найдена!");

    	if(ACCESS_LEVEL < 8) a_error('У вас нет прав на выполнение этой операции!');

    	if(!empty($_GET['confirm'])) {
        	# удаляем тему
        	$this->db->query("DELETE FROM #__forum_topics WHERE topic_id = '". $topic['topic_id'] ."'");
        	# удаляем сообщения в теме
        	$this->db->query("DELETE FROM #__forum_messages WHERE topic_id = '". $topic['topic_id'] ."'");
        	# обновляем счетчик тем и сообщений в форуме
        	$this->db->query("UPDATE #__forum_forums SET
        		topics = topics - 1,
        		messages = messages - ". $topic['messages'] ." - 1
        		WHERE forum_id = '". $topic['forum_id'] ."'
        	");

        	header("Location: ". a_url('forum/viewforum', 'forum_id='. $topic['forum_id'] .'&start='. @$_GET['start'], TRUE));
    		exit;
    	}
    	else a_confirm('Действительно хотите удалить тему &laquo;'. $topic['name'] .'&raquo; со всеми сообщениями?', a_url('forum/topic_delete', 'confirm=yes&amp;topic_id='. $topic['topic_id'] .'&amp;start='. @$_GET['start']), a_url('forum/viewforum', 'forum_id='. $topic['forum_id'] .'&amp;start='. @$_GET['start']));
	}

	/**
	* Удаление сообщения
	*/
	public function action_message_delete() {
    	if(!$message = $this->db->get_row("SELECT m.*,
    		(SELECT status FROM #__users AS u WHERE u.user_id = m.user_id) AS user_status
    		FROM #__forum_messages AS m
    		WHERE message_id = '". intval($_GET['message_id']) ."'"))
    		a_error("Сообщение не найдено!");

    	if(!a_check_rights($message['user_id'], $message['user_status']) || !$message['is_last_message'])
    		a_error('У вас нет права удалять данное сообщение!');

     	if(!empty($_GET['confirm'])) {
        	# Удаляем сообщение
    		$this->db->query("DELETE FROM #__forum_messages WHERE message_id = '". $message['message_id'] ."'");
    		# Обновляем счетчики сообщений
     		$this->db->query("UPDATE #__forum_topics SET messages = messages - 1 WHERE topic_id = '". $message['topic_id'] ."'");
     		$this->db->query("UPDATE #__forum_forums SET messages = messages - 1 WHERE forum_id = '". $message['forum_id'] ."'");

        	header("Location: ". a_url('forum/viewtopic', 'topic_id='. $message['topic_id'] .'&start='. @$_GET['start'], TRUE));
    		exit;
    	}
    	else a_confirm('Действительно хотите удалить данное сообщение?', a_url('forum/message_delete', 'confirm=yes&amp;message_id='. $message['message_id'] .'&amp;start='. @$_GET['start']), a_url('forum/viewtopic', 'topic_id='. $message['topic_id'] .'&amp;start='. @$_GET['start']));
	}

	/**
	* Постинг
	*/
	public function action_posting() {
    	if(!empty($_GET['new_topic'])) {
    		if(!$forum = $this->db->get_row("SELECT * FROM #__forum_forums WHERE forum_id = '". intval($_GET['forum_id']) ."'"))
    			a_error("Форум не найден!");
    		$action = 'new_topic';
    		$message = array();
    		$title = "Новая тема";

    		if(USER_ID == -1 && !$this->config['forum']['guests_create_topics'])
    			a_error("Гости не имеют права создвать темы!<br />Зарегистрируйтесь или войдите под своим именем.");
    	}
    	else {
    		if(is_numeric($_GET['message_id'])) {
	    		if(!$message = $this->db->get_row("SELECT * FROM #__forum_messages WHERE message_id = '". intval($_GET['message_id']) ."'"))
	    			a_error("Сообщение не найдено!");
	    		if(ACCESS_LEVEL < 8 && $message['user_id'] != USER_ID)
	    			a_error("У вас нет прав редактировать данное сообщение!");
	    		/*
	    		if($message['is_first_message'] == 1) {
	    			$action = 'edit_first_message';
	    		}
	    		else {
	    			$action = 'edit_message';
	    		}
	    		*/
	    		$action = 'edit_message';

	    		$title = "Редактировать сообщение";
	    		$message_text = $message['message'];
	    		$topic_id = $message['topic_id'];
	    	}
	    	else {
	    		$action = 'new_message';
	    		$message = array();
	    		$title = "Новое сообщение";
	    		$topic_id = $_GET['topic_id'];

	    		if(USER_ID == -1 && !$this->config['forum']['guests_write_messages'])
    				a_error("Гости не имеют отвечать на темы!<br />Зарегистрируйтесь или войдите под своим именем.");
	    	}

	    	if(!$topic = $this->db->get_row("SELECT * FROM #__forum_topics WHERE topic_id = '". intval($topic_id) ."'"))
	    		a_error("Тема не найдена!");

	   		# Определяем можно ли постить в теме
	   		if(ACCESS_LEVEL < 8 && $topic['is_close_topic'])
	   			a_error("Тема закрыта, вы не имеете права писать и редактировать сообщения!");
	  	}

    	if(isset($_POST['submit'])) {
    		if($action == 'new_topic') {
    			if(empty($_POST['topic_name'])) {
    				$this->error .= 'Укажите название темы!<br />';
    			}
    		}
    		if(empty($_POST['message'])) {
    			$this->error .= 'Укажите сообщение!<br />';
    		}

        	if(!$this->error) {
            	switch($action) {
                	# Создание темы
                	case 'new_topic':
                		# Добавляем тему
                		$this->db->query("INSERT INTO #__forum_topics SET
                			section_id = '". $forum['section_id'] ."',
                			forum_id = '". $forum['forum_id'] ."',
                			user_id = '". USER_ID ."',
                			name = '". a_safe($_POST['topic_name']) ."',
                            time = UNIX_TIMESTAMP(),
                            last_message_time = UNIX_TIMESTAMP(),
                            last_user_id = '". USER_ID ."'
                   		");
                   		$topic_id = $this->db->insert_id();

                        # Добавляем сообщение
                        $this->db->query("INSERT INTO #__forum_messages SET
                        	topic_id = '". $topic_id ."',
                        	section_id = '". $forum['section_id'] ."',
                			forum_id = '". $forum['forum_id'] ."',
                			user_id = '". USER_ID ."',
                			message = '". a_safe($_POST['message']) ."',
                			is_first_message = 1,
                            time = UNIX_TIMESTAMP()
                   		");

                   		# Увеличиваем количество тем и сообщений в форуме
                   		$this->db->query("UPDATE #__forum_forums SET
                   			topics = topics + 1,
                   			messages = messages + 1
                   			WHERE
                   			forum_id = '". $forum['forum_id'] ."'
                   		");

                   		a_notice("Тема успешно создана!", a_url('forum/viewtopic', 'topic_id='. $topic_id));
                	break;
                	# Добавление сообщения
                	case 'new_message':
                		# Снимаем метку с последнего сообщения
                		$this->db->query("UPDATE #__forum_messages SET is_last_message = 0 WHERE topic_id = '". $topic['topic_id'] ."'");

                        # Добавляем сообщение
                        $this->db->query("INSERT INTO #__forum_messages SET
                        	topic_id = '". $topic['topic_id'] ."',
                        	section_id = '". $topic['section_id'] ."',
                			forum_id = '". $topic['forum_id'] ."',
                			user_id = '". USER_ID ."',
                			message = '". a_safe($_POST['message']) ."',
                			is_last_message = 1,
                            time = UNIX_TIMESTAMP()
                   		");

                   		# Обновляем счетчик сообщений темы и время последнего сообщения
                   		$this->db->query("UPDATE #__forum_topics SET
                   			messages = messages + 1,
                   			last_message_time = UNIX_TIMESTAMP(),
                   			last_user_id = '". USER_ID ."'
                   			WHERE topic_id = '". $topic['topic_id'] ."'
                   		");

                   		# Увеличиваем количество сообщений в форуме
                   		$this->db->query("UPDATE #__forum_forums SET
                   			messages = messages + 1
                   			WHERE
                   			forum_id = '". $topic['forum_id'] ."'
                   		");

                   		# Определяем start для пагинации
                   		$messages = $topic['messages'] + 1;
                   		$start = floor($messages / $this->config['forum']['messages_per_page']) * $this->config['forum']['messages_per_page'];

                   		header("Location: ". a_url('forum/viewtopic', 'topic_id='. $topic['topic_id'] .'&start='. $start, TRUE));
                   		exit;
                	break;
                	# Редактирование сообщения
                	case 'edit_message':
                        # Изменяем сообщение
                        $this->db->query("UPDATE #__forum_messages SET
                			message = '". a_safe($_POST['message']) ."',
                			edit_editor = '". $this->user['username'] ."',
                			edit_time = UNIX_TIMESTAMP(),
                			edit_count = edit_count + 1
                			WHERE
                			message_id = '". $message['message_id'] ."'
                   		");

                   		header("Location: ". a_url('forum/viewtopic', 'topic_id='. $message['topic_id'], TRUE));
                   		exit;
                	break;
            	}
        	}
    	}
    	if(!isset($_POST['submit']) || $this->error) {
    		$this->tpl->assign(array(
            	'error' => $this->error,
            	'title' => $title,
            	'message' => @$message,
            	'topic' => @$topic,
            	'forum' => @$forum,
            	'action' => $action,
            	'message_text' => $message_text
    		));

    		$this->tpl->display('posting');
    	}
	}
}
?>