<?php

class news
{
	/**
	 * @var mysqliConnection
	 */
	private $db;
	private $tableName;
	
	public function __construct(&$db)
	{
		$this->db = &$db;
		$this->tableName = config::get('news', 'tableName');
		
		$db->checkTable($this->tableName, "
			`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
			`title` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
			`body` text COLLATE utf8_unicode_ci NOT NULL,
			`is_visible` int(1) unsigned NOT NULL,
			`posted` datetime NOT NULL,
			PRIMARY KEY (`id`)
		");
	}
	
	public function create($title)
	{
		$this->db->insert($this->tableName,
			array('title' => $title,
				'body' => '',
				'is_visible' => 0,
				'posted' => 'FROM_UNIXTIME(' . time() . ')'));
		return $this->db->lastInsertedId();
	}
	
	public function get($id)
	{
		return $this->db->getRow($this->tableName, '*', 'id', $id);
	}
	
	public function getAll($cols = '*', $onlyVisible=false, $limit=0)
	{
		$tableName = $this->tableName;
		
		$whereArray = array();
		if ($onlyVisible) {
			$whereArray[] = 'is_visible = 1';
		}
		
		$where = !empty($whereArray) ? 'WHERE' : '';
		$limit = !empty($limit) ? "LIMIT $limit" : '';
		
		$sqlQuery = "SELECT $cols,UNIX_TIMESTAMP(posted) AS posted_unix FROM $tableName $where " . implode(' AND ', $whereArray) . " ORDER BY posted DESC $limit";
		$newsItems = $this->db->getRows($sqlQuery);
		
		setlocale(LC_ALL, config::get('system', 'localeLong'), config::get('system', 'localeShort'));
		foreach ($newsItems as &$newsItem) {
			$newsItem['posted_str'] = strftime('%H:%M, %A %d %B %Y', $newsItem['posted_unix']);
		}
		
		return $newsItems;
	}
	
	public function edit($id, $title, $body, $visible)
	{
		if (empty($title)) {
			$title = trim(substr(strip_tags($body), 0, 10)) . '...';
		}
		
		$this->db->update($this->tableName,
			array('title' => $title,
				'body' => $body,
				'is_visible' => $visible),
			'id = '.$this->db->quote($id));
	}
	
	public function remove($id)
	{
		$this->db->delete($this->tableName, 'id = '.$this->db->quote($id));
	}
}