PHP - PHP Snippet Section

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
 
class Snippet extends NEW_Controller
{
	public function __construct()
	{
		parent::__construct();
 
		$this->lang->load('snippet');
		$this->load->model('snippet_m');
		$this->load->library('geshilib');
		$this->load->helper('bbcode');
	}
 
	private $languages = array(
		'asm' => 'Assembler',
		'autohotkey' => 'AutoHotkey',
		'autoit' => 'AutoIt',
		'c' => 'C',
		'cpp' => 'C++',
		'csharp' => 'C#',
		'css' => 'CSS',
		'd' => 'D',
		'delphi' => 'Delphi',
		'fsharp' => 'F#',
		'go' => 'Go',
		'html5' => 'HTML',
		'java' => 'Java',
		'javascript' => 'JavaScript',
		'lua' => 'LUA',
		'objc' => 'Objective-C',
		'pascal' => 'Pascal',
		'perl' => 'Perl',
		'php' => 'PHP',
		'python' => 'Python',
		'sql' => 'SQL',
		'text' => 'Text',
		'vb' => 'Visual Basic'
	);
 
	// /snippet
	public function Index()
	{
		$data['newest_snippets'] = $this->snippet_m->GetNewestSnippets($this->config->item('snippet_per_page_count'));
		foreach ($data['newest_snippets'] as &$snippet)
		{
			$snippet['snippet_url'] = site_url(array('snippet', 'view', $snippet['snippet_id'], url_title_ex($snippet['snippet_name'])));
			$snippet['snippet_time'] = FormatTime($snippet['snippet_time']);
			$snippet['snippet_name'] = htmlspecialchars($snippet['snippet_name']);
			$snippet['snippet_language'] = $this->languages[$snippet['snippet_language']];
			$snippet['user_url'] = site_url(array('forum', 'profile', $snippet['user_id'].'-'.url_title_ex($snippet['user_name'])));
			$snippet['user_name'] = FormatUserTag($snippet['user_name'], $snippet['user_color']);
		}
 
		$this->load->helper('text');
 
		$data['last_comments'] = $this->snippet_m->GetLastComments($this->config->item('snippet_last_comments_count'));
		foreach ($data['last_comments'] as &$comment)
		{
			$comment['comment_url'] = site_url(array('snippet', 'view', $comment['snippet_id'], url_title_ex($comment['snippet_name']))).'#C'.$comment['comment_id'];
			$comment['comment_text'] = word_limiter(htmlspecialchars($comment['comment_text']), 9);
		}
 
		$data['popular_tags'] = $this->snippet_m->GetPopularTags($this->config->item('snippet_popular_tags_count'));
		foreach ($data['popular_tags'] as &$tag)
		{
			$tag['tag_url'] = site_url(array('snippet', 'search', 'tag', urlencode($tag['tag_name'])));
		}
 
		$data['title'] = 'Snippets';
		$data['selected_header'] = 5;
		$data['shoutbox_content'] = $this->FormatShoutboxMessages();
		$data['notifications'] = $this->GetNotifications();
		$data['user_online'] = $this->GetOnlineUser();
 
		if ($this->uri->IsMobile())
		{
			$this->load->view('mobile/shared/header', $data);
			$this->load->view('mobile/downloads/index', $data);
			$this->load->view('mobile/shared/footer', $data);
		}
		else
		{
			$this->load->view('desktop/shared/header', $data);
			$this->load->view('desktop/shared/content_start');
			$this->load->view('desktop/shared/sidebar', $data);
			$this->load->view('desktop/snippet/content_start', $data);
			$this->load->view('desktop/snippet/index', $data);
			$this->load->view('desktop/snippet/content_end', $data);
			$this->load->view('desktop/shared/content_end');
			$this->load->view('desktop/shared/footer', $data);
		}
	}
 
	// /snippet/view/random
	public function RouteToRandomSnippt()
	{
		$snippet = $this->snippet_m->GetRandomSnippet();
 
		redirect(site_url(array('snippet', 'view', $snippet['snippet_id'], url_title_ex($snippet['snippet_name']))), 'location');
	}
 
	// /snippet/view/<id>/name
	public function ViewSnippetById($snippetId)
	{
		$snippet = $this->snippet_m->GetSnippetById($snippetId);
		if ($snippet === false)
		{
			$this->ShowErrorPage($this->lang->line('snippet_snippet_not_found'), site_url('snippet'));
		}
 
		$snippet['snippet_time'] = FormatTime($snippet['snippet_time'], 'j. M Y', false);
		$snippet['snippet_name'] = htmlspecialchars($snippet['snippet_name']);
		$snippet['snippet_description'] = bb_code($snippet['snippet_description']);
		$snippet['snippet_data'] = $this->geshilib->highlight($snippet['snippet_data'], $snippet['snippet_language'], array(
			//'set_header_type' => array(GESHI_HEADER_PRE_VALID),
			'set_overall_class' => array('snippet-data bb-geshi'),
			'enable_line_numbers' => array(GESHI_NORMAL_LINE_NUMBERS),
			'enable_classes' => array()
		));
		$snippet['snippet_language'] = $this->languages[$snippet['snippet_language']];
		$snippet['user_url'] = site_url(array('forum', 'profile', $snippet['user_id'].'-'.url_title_ex($snippet['user_name'])));
		$snippet['user_name'] = FormatUserTag($snippet['user_name'], $snippet['user_color']);
 
		$data['snippet_comments'] = $this->snippet_m->GetCommentsForSnippet($snippetId);
		if ($data['snippet_comments'] !== null)
		{
			foreach ($data['snippet_comments'] as &$comment)
			{
				$comment['comment_time'] = FormatTime($comment['comment_time']);
				$comment['comment_text'] = bb_code($comment['comment_text']);
				$comment['user_url'] = site_url(array('forum', 'profile', $comment['user_id'].'-'.url_title_ex($comment['user_name'])));
				$comment['user_name'] = FormatUserTag($comment['user_name'], $comment['user_color']);
				$comment['user_avatar'] = !empty($comment['user_avatar']) ? $comment['user_id'].$comment['user_avatar'] : 'noavatar.jpg';
			}
		}
 
		$data['snippet_tags'] = $this->snippet_m->GetTagsForSnippet($snippetId);
		if ($data['snippet_tags'] !== null)
		{
			foreach ($data['snippet_tags'] as &$tag)
			{
				$tag['tag_url'] = site_url(array('snippet', 'search', 'tag', urlencode($tag['tag_name'])));
			}
		}
 
		$data['title'] = $snippet['snippet_language'].' - '.$snippet['snippet_name'];
		$data['selected_header'] = 5;
		$data['shoutbox_content'] = $this->FormatShoutboxMessages();
		$data['notifications'] = $this->GetNotifications();
		$data['user_online'] = $this->GetOnlineUser();
 
		$data['snippet'] = $snippet;
 
		if ($this->uri->IsMobile())
		{
			$this->load->view('mobile/shared/header', $data);
			$this->load->view('mobile/downloads/file', $data);
			$this->load->view('mobile/shared/footer', $data);
		}
		else
		{
			$this->load->view('desktop/shared/header', $data);
			$this->load->view('desktop/shared/content_start');
			$this->load->view('desktop/shared/sidebar', $data);
			$this->load->view('desktop/snippet/content_start', $data);
			$this->load->view('desktop/snippet/snippet', $data);
			$this->load->view('desktop/snippet/content_end', $data);
			$this->load->view('desktop/shared/content_end');
			$this->load->view('desktop/shared/footer', $data);
		}
	}
 
	// /snippet/search/tag/<tag>/<page>
	public function ViewSnippetsByTag($tag, $page = 0)
	{
		$tag = urldecode($tag);
 
		$data['snippets'] = $this->snippet_m->GetSnippetsByTag($tag, array('start' => (int)$page * (int)$this->config->item('snippet_per_page_count'), 'limit' => $this->config->item('snippet_per_page_count')));
		if ($data['snippets'] !== null)
		{
			foreach ($data['snippets'] as &$snippet)
			{
				$snippet['snippet_url'] = site_url(array('snippet', 'view', $snippet['snippet_id'], url_title_ex($snippet['snippet_name'])));
				$snippet['snippet_time'] = FormatTime($snippet['snippet_time']);
				$snippet['snippet_name'] = htmlspecialchars($snippet['snippet_name']);
				$snippet['snippet_language'] = $this->languages[$snippet['snippet_language']];
				$snippet['user_url'] = site_url(array('forum', 'profile', $snippet['user_id'] . '-' . url_title_ex($snippet['user_name'])));
				$snippet['user_name'] = FormatUserTag($snippet['user_name'], $snippet['user_color']);
			}
		}
 
		$data['title'] = 'Snippets suchen';
		$data['selected_header'] = 5;
		$data['shoutbox_content'] = $this->FormatShoutboxMessages();
		$data['notifications'] = $this->GetNotifications();
		$data['user_online'] = $this->GetOnlineUser();
 
		$data['search_query'] = htmlspecialchars($tag);
 
		if ($this->uri->IsMobile())
		{
			$this->load->view('mobile/shared/header', $data);
			$this->load->view('mobile/downloads/index', $data);
			$this->load->view('mobile/shared/footer', $data);
		}
		else
		{
			$this->load->view('desktop/shared/header', $data);
			$this->load->view('desktop/shared/content_start');
			$this->load->view('desktop/shared/sidebar', $data);
			$this->load->view('desktop/snippet/content_start', $data);
			$this->load->view('desktop/snippet/search', $data);
			$this->load->view('desktop/snippet/content_end', $data);
			$this->load->view('desktop/shared/content_end');
			$this->load->view('desktop/shared/footer', $data);
		}
	}
 
	// /snippet/search
	public function RouteToSearch()
	{
		redirect(site_url(array('snippet', 'search', $this->input->post('snippet_search'))), 'location');
	}
 
	// /snippet/search/<query>/<page>
	public function ViewSnippetsByQuery($query, $page = 0)
	{
		if (strlen($query) < 3)
		{
			$this->ShowErrorPage('zu kurz');
			return;
		}
 
		$data['snippets'] = $this->snippet_m->GetSnippetsByQuery($query, array('start' => (int)$page * (int)$this->config->item('snippet_per_page_count'), 'limit' => $this->config->item('snippet_per_page_count')));
		if ($data['snippets'] !== null)
		{
			foreach ($data['snippets'] as &$snippet)
			{
				$snippet['snippet_url'] = site_url(array('snippet', 'view', $snippet['snippet_id'], url_title_ex($snippet['snippet_name'])));
				$snippet['snippet_time'] = FormatTime($snippet['snippet_time']);
				$snippet['snippet_name'] = htmlspecialchars($snippet['snippet_name']);
				$snippet['snippet_language'] = $this->languages[$snippet['snippet_language']];
				$snippet['user_url'] = site_url(array('forum', 'profile', $snippet['user_id'] . '-' . url_title_ex($snippet['user_name'])));
				$snippet['user_name'] = FormatUserTag($snippet['user_name'], $snippet['user_color']);
			}
		}
 
		$data['title'] = 'Snippets suchen';
		$data['selected_header'] = 5;
		$data['shoutbox_content'] = $this->FormatShoutboxMessages();
		$data['notifications'] = $this->GetNotifications();
		$data['user_online'] = $this->GetOnlineUser();
 
		$data['search_query'] = htmlspecialchars($query);
 
		if ($this->uri->IsMobile())
		{
			$this->load->view('mobile/shared/header', $data);
			$this->load->view('mobile/downloads/index', $data);
			$this->load->view('mobile/shared/footer', $data);
		}
		else
		{
			$this->load->view('desktop/shared/header', $data);
			$this->load->view('desktop/shared/content_start');
			$this->load->view('desktop/shared/sidebar', $data);
			$this->load->view('desktop/snippet/content_start', $data);
			$this->load->view('desktop/snippet/search', $data);
			$this->load->view('desktop/snippet/content_end', $data);
			$this->load->view('desktop/shared/content_end');
			$this->load->view('desktop/shared/footer', $data);
		}
	}
 
	// /snippet/create
	public function ViewCreateSnippet()
	{
		$data['title'] = 'Snippet erstellen';
		$data['selected_header'] = 5;
		$data['shoutbox_content'] = $this->FormatShoutboxMessages();
		$data['notifications'] = $this->GetNotifications();
		$data['user_online'] = $this->GetOnlineUser();
 
		$data['snippet_languages'] = $this->languages;
		$data['snippet_tags'] = $this->snippet_m->GetAllTags();
 
		if ($this->uri->IsMobile())
		{
			$this->load->view('mobile/shared/header', $data);
			$this->load->view('mobile/downloads/index', $data);
			$this->load->view('mobile/shared/footer', $data);
		}
		else
		{
			$this->load->view('desktop/shared/header', $data);
			$this->load->view('desktop/shared/content_start');
			$this->load->view('desktop/shared/sidebar', $data);
			$this->load->view('desktop/snippet/content_start', $data);
			$this->load->view('desktop/snippet/create', $data);
			$this->load->view('desktop/snippet/content_end', $data);
			$this->load->view('desktop/shared/content_end');
			$this->load->view('desktop/shared/footer', $data);
		}
	}
 
	// /snippet/create/snippet
	public function DoCreateSnippet()
	{
		$this->load->library('form_validation');
		$this->form_validation->set_error_delimiters('<div class="error">', '</div>');
		$this->form_validation->set_rules('snippet_name', 'lang:snippet_name', 'trim|required|min_length[10]');
		$this->form_validation->set_rules('snippet_description', 'lang:snippet_description', 'trim|required|min_length[20]');
		$this->form_validation->set_rules('snippet_language', 'lang:snippet_language', 'trim|required|in_list['.implode(',', array_keys($this->languages)).']');
		$this->form_validation->set_rules('snippet_data', 'lang:snippet_data', 'trim|required|min_length[20]');
		$this->form_validation->set_rules('snippet_tags[]', 'lang:snippet_tags', 'trim|strtolower|callback_check_tag_name');
 
		if ($this->form_validation->run())
		{
			$snippetId = $this->snippet_m->CreateSnippet(
				$this->input->post('snippet_name'),
				$this->user->id,
				$this->input->post('snippet_description'),
				$this->input->post('snippet_language'),
				$this->input->post('snippet_data')
			);
 
			$counter = (int)$this->config->item('snippet_max_tags_count');
			foreach ($this->input->post('snippet_tags') as $tag)
			{
				$tagData = $this->snippet_m->GetTagByName($tag);
				if ($tagData === null)
				{
					$tagData = array('tag_id' => $this->snippet_m->CreateTag($tag));
				}
 
				$this->snippet_m->AssociateSnippetWithTag($snippetId, $tagData['tag_id']);
 
				--$counter;
				if ($counter == 0)
				{
					break;
				}
			}
 
			$this->load->helper('forum_create');
			$this->load->library('forum_m');
 
			$forum = $this->forum_m->GetForumData();
 
			$title = $this->languages[$this->input->post('snippet_language')].' - '.$this->input->post('snippet_name');
			$text = '';
 
			$topicData = CreateTopic(
				$forum,
				$this->user,
				0,
				$title,
				$text,
				true
			);
 
			redirect(site_url(array('snippet', 'view', $snippetId, url_title_ex($this->input->post('snippet_name')))), 'location');
		}
		else
		{
			$this->ViewCreateSnippet();
		}
	}
 
	// /snippet/create/comment
	public function DoCreateComment()
	{
		$isAjax = $this->input->post('post_ajax');
 
		$snippet = $this->snippet_m->GetSnippetById($this->input->post('snippet_id'));
		if ($snippet === null)
		{
			if ($isAjax)
			{
				$this->ShowJsonError($this->lang->line('snippet_not_found'));
				return;
			}
			else
			{
				redirect(site_url('snippet'));
			}
		}
 
		$this->load->library('form_validation');
		$this->form_validation->set_error_delimiters('<div class="error">', '</div>');
		$this->form_validation->set_rules('comment_text', 'lang:snippet_description', 'trim|required|min_length[10]');
 
		$redirect = site_url(array('snippet', 'view', $snippet['snippet_id'], url_title_ex($snippet['snippet_name'])));
		if ($this->form_validation->run())
		{
			$commentId = $this->snippet_m->CreateComment(
				$snippet['snippet_id'],
				$this->user->id,
				$this->input->post('comment_text')
			);
 
			if ($isAjax)
			{
				$comment = $this->snippet_m->GetCommentById($commentId);
 
				$ajax = array(
					'comment_id' => $comment['comment_id'],
					'comment_time' => FormatTime(time()),
					'comment_text' => bb_code($comment['comment_text']),
					'user_name' => htmlspecialchars($this->user->name),
					'user_name_color' => FormatUserTag($this->user->name, $this->user->color),
					'user_avatar' => !empty($this->user->avatar) ? $this->user->id.$this->user->avatar : 'noavatar.jpg',
					'user_url' => site_url(array('forum', 'profile', $this->user->id.'-'.url_title_ex($this->user->name)))
				);
 
				$this->ShowJsonSuccess($ajax);
				return;
			}
			else
			{
				$redirect .= '#C'.$commentId;
			}
		}
 
		if ($isAjax)
		{
			$this->form_validation->set_error_delimiters('', '');
			$this->ShowJsonError($this->form_validation->error('comment_text'));
		}
		else
		{
			redirect($redirect, 'location');
		}
	}
 
	public function check_tag_name($val)
	{
		if (preg_match('/^[a-z0-9\\+-_#]+$/', $val) === 1)
		{
			return true;
		}
 
		$this->form_validation->set_message('check_tag_name', $this->lang->line('form_validation_snippet_tags_error'));
 
		return false;
	}
}