bm/public_html/public/cms/modules/audioblock.class.php

<?php

/** Audio Block
 * 
 * @version 1.0.0
 * @since   2007-09-19
 * @author  martin lenzelbauer
 */
class AudioBlock extends BuildingBlock{

	var $file;				//file name		
	var $audioDir; 		//upload directory for audio files
			
			
	/** C'tor
	 */
	//------------------------------------------------
	function AudioBlock($id=0){
	//------------------------------------------------
		parent::BuildingBlock($id);
		$this->file = "";
		$this->setUploadDirectory(AUDIO_DIR);
	}
	
	
	/** @see BuildingBlock::install()
	 */
	//-----------------------------------------------
	function install(){
	//-----------------------------------------------		
		$query = sprintf("CREATE TABLE IF NOT EXISTS bruckm_audioblock (
												id INT not null AUTO_INCREMENT, 
												file VARCHAR(128) not null,
												PRIMARY KEY(id)
											)");
		$result = dbQuery($query);
	}
	
	
	/** @see BuildingBlock::load()
	 */
	//-------------------------------------------------
	function load(){
	//-------------------------------------------------	
		$query = sprintf("SELECT * FROM bruckm_audioblock WHERE id = %d", $this->id);
		$result = dbQuery($query);
		$line = mysqli_fetch_array($result, MYSQLI_ASSOC);
		$this->file = $line['file'];
	}
		
	
	/** @see BuildingBlock::doSave()
	 */
	//-----------------------------------------------
	function doSave(){
	//-----------------------------------------------	
		$query = sprintf("UPDATE bruckm_audioblock SET file = %s WHERE id = %d",
											sqlstring($this->file),
											$this->id);											
		dbQuery($query);
	}
		
	
	/** @see BuildingBlock::doCreate()
	 */
	//-----------------------------------------------
	function doCreate(){
	//-----------------------------------------------	
		$query = sprintf("INSERT INTO bruckm_audioblock (file) VALUES (%s)", 
											sqlstring($this->file));								 
		dbQuery($query);
		return mysql_insert_id();
	}
	
	
	/** @see BuildingBlock::delete()
	 */
	//-------------------------------------------------
	function delete(){
	//-------------------------------------------------	
		$query = sprintf("DELETE FROM bruckm_audioblock WHERE id = %d", $this->id);
		dbQuery($query);
		@unlink($this->audioDir.$this->file);
	}
	
	
	/** @see BuildingBlock::update()
	 */
	//-----------------------------------------------
	function update(){
	//-----------------------------------------------	
		if(isset($_FILES["audioblock_file".$this->id]) && $_FILES["audioblock_file".$this->id]['error'] == UPLOAD_ERR_OK){
			$this->file = $this->findName($this->audioDir, $_FILES["audioblock_file".$this->id]['name']);
			$this->uploadFile($_FILES["audioblock_file".$this->id]);
		}
	}
		

	/** @see BuildingBlock::printContent()
	 */
	//-----------------------------------------------
	function printContent($position){
	//-----------------------------------------------	
		$t = new Template(CMS_TEMPLATE_DIR."audioblock.html");
		$t->setVar("ID", $this->id);
		$t->setVar("POSITION", $position);
		if(!empty($this->file) && file_exists($this->audioDir.$this->file)){
			$t->setVar("FILE", $this->file);
			$t->removeBlock("UPLOADAUDIO");
		}
		else{
			$t->removeBlock("AUDIO");
		}
		return $t->toString();		
	}
	
	
	/** @see BuildingBlock::publish()
	 */
	//----------------------------------------------
	function publish(){
	//----------------------------------------------
		if(!file_exists($this->audioDir.$this->file)){
			logError(3, "Audio ".$this->audioDir.$this->file." doesn't exist", __FILE__, __LINE__);
			return "";
		}
		$out  = '<p>';
		$out .= '<strong>Audiodatei: </strong><a href="audio/' . $this->file . '" target="_blank">' . $this->file . '</a><br />';
		$out .= '<embed src="audio/' . $this->file . '" width="280" height="25" autostart="false" />';
		$out .= '</p>';
		return $out;
	}
	
	
	// === ADDITIONAL METHODS ======================================================== //
	
	
	/** uploads an audio file
	 * @param file $_FILES file data
	 */
	//------------------------------------------------
	function uploadFile($file){
	//------------------------------------------------
	
		$path = $this->audioDir . $this->file;
		
		if(file_exists($path)){
			@unlink($path);
		}		
	
		move_uploaded_file($file['tmp_name'], $path);		
		//copy($file['tmp_name'], $path);
		@chmod($path, 0777);
	}
	
	
	/** sets the output directories
	 */
	//-----------------------------------------------
	function setUploadDirectory($audio){
	//-----------------------------------------------
		$this->audioDir = $audio;
	}
	
	
	/** finds a path that does not exist
	 * @param dir  target directory
	 * @param name name of the source image
	 * @return filename in the target directory that does not exist
	 */
	//-----------------------------------------------
	function findName($dir, $name){
	//-----------------------------------------------
		$name = strtolower($name);
		$name = str_replace("ä", "ae", $name);
		$name = str_replace("ö", "oe", $name);
		$name = str_replace("ü", "ue", $name);
		$name = str_replace("ß", "sz", $name);
		$name = ereg_replace("[^A-Za-z0-9\.-_]", "", $name);	
		if(!file_exists($dir.$name)){
			return $name;
		}
		
		//extract file extension
		$dot = strrpos($name, ".");
		$ext = substr($name, $dot+1);
		$name = substr($name, 0, $dot);
		
		//add 3-digit number
		$count = 1;
		while(file_exists(sprintf("%s%s%03d.%s", $dir, $name, $count, $ext))){
			$count++;
		}
		return sprintf("%s%03d.%s", $name, $count, $ext);
	}
	
	
	/** returns video description as xml
	 * @return xml string
	 */
	//---------------------------------------------------
	function toXml(){
	//---------------------------------------------------
		$xml = sprintf("<audioo file=\"%s\" />",	$this->file);
		return $xml;
	}
		
	
};
	


?>