gistfile1.php

<?php
/* File manipulation class */

class ProjectFiles {
	function __construct($_parent) {
		$this->_parent = $_parent;
	}
	
	function dir_contents($dir) {
		$handler = opendir($dir);
		while($file = readdir($handler)) {
			if($file != '.' && $file != '..')
				$return[] = $file;
		}
		return $return;
	}

	function file_path($file, $version) {
		return PATH.'files/s'.$file['server'].'/'. $file['hash'] . '_' . $version . '.' . $file['ext'];
	}
	
	function create_default_version($file) {
		$this->create_file_version($this->file_path($file, 750), $file['hash'], 280);
	}
	
	function rotate_file($pid, $aid, $count) {
		$count = $count*90;
			
		if($count >= 360) {
			$count = $count - (floor($count/360)*360);
		}
		
		$info = $this->_parent->queries->get_photo_info($pid);
		$path = $this->file_path($info, 750);
		$alb = $this->file_path($info, 280);
		
		$imagick = new Imagick();
		$imagick->readImage($path);
		$imagick->stripImage();
		$imagick->rotateImage('white', $count);
		$imagick->writeImage($path);
		$imagick->clear();
		$imagick->destroy();
			
		$this->create_file_version($path, $info['hash'], '180', true);
		$this->create_file_version($path, $info['hash'], '750', true);
			
		if(file_exists($alb)) $this->create_file_version($path, $info['hash'], '280', true);
		
		return $this->_parent->queries->update_pic_ts($pid, time());
	}

	function remove_file($file, $is_avatar = false) {
		$avatar_sizes = array(20, 40, 130);
		$file_sizes = array(280, 180, 750);
		$flag = true;
		
		if($is_avatar) {
			$sarray = $avatar_sizes; 
			list($tmp['hash'], $tmp['server'], $tmp['ext']) = explode("@", $file);
			$file = $tmp;
		} else {
			$sarray = $file_sizes;
		}
		
		foreach($sarray as $size) {
			if(file_exists(PATH.'files/s'.$file['server'].'/'. $file['hash'] . '_' . $size . '.' . $file['ext'])) {
				$dels = unlink(PATH.'files/s'.$file['server'].'/'. $file['hash'] . '_' . $size . '.' . $file['ext']);
				if(!$dels and $flag) $flag = false;
			}
		}
		
		return $flag;
	}
	
	function create_file_version($path, $hash, $version, $force = false) {
		$writepath = PATH.'files/s'.SERVER.'/'. $hash . '_' . $version . '.jpg';
		if(file_exists($writepath) and !$force) return true;
		$crop = new Imagick($path);
		list($w, $h, $type) = getimagesize($path, $imginfo);
		
		$crop->setBackgroundColor("white");
		$crop->flattenImages();
		$crop->stripImage();		
		$crop->setImageFormat('jpeg');
		$crop->setCompressionQuality(90);
		
		switch($version) {
			case '280':
				$crop->cropThumbnailImage(280, 160);
			break;
			
			case '180':
				$crop->cropThumbnailImage(180, 110);
			break;
			
			case '750':
				if($w > 810 or $h > 760) $crop->scaleImage(810, 760, true);
			break;
		}
		
		$crop->writeImage($writepath);
		$crop->clear();
		$crop->destroy();
	}
}