CI: video upload (dump)

gistfile1.aw

<?php
public function upload( $gallery_id , $ajax = FALSE ){

		// Check if a user of any level is logged in
		if( $this->require_min_level(1) ){
			
			$file_input 				= 'userfile[]';
			$config['encrypt_name'] 	= TRUE;
			$config['upload_path']		= $this->config->item('user_upload_folder').'working/';
			$config['storage_path']		= $this->config->item('user_upload_folder');
			$config['allowed_types'] 	= 'mov|mpeg|mp3|avi|mp4|jpg|jpeg|gif|png|wmv';
			$config['max_size']			= '204800';
			$config['max_width']  		= '';
			$config['max_height']  		= '';

			$this->load->library('upload', $config);
			$this->load->model('media_model');
			$this->load->model('gallery_model');
			
			$POST_MAX_SIZE = ini_get('post_max_size');
			$mul = substr($POST_MAX_SIZE, -1);
			$mul = ($mul == 'M' ? 1048576 : ($mul == 'K' ? 1024 : ($mul == 'G' ? 1073741824 : 1)));

			$allowed_video = array('video/mov','video/quicktime','video/mpeg','video/x-msvideo','video/x-flv','video/mp4','video/x-ms-wmv'); // .mov, .mpeg, .avi, .flv, .mp4, .wmv
			$allowed_image = array('image/jpeg','image/png','image/pjpeg','image/png','image/x-png','image/gif');
			
			if(!isset($_FILES['userfiles'])){
				echo "File too big";
			}

			// Iterate through files
			for($i=0; $i<count($_FILES['userfiles']['name']); $i++){

			 	$_FILES['userfile']['name']    	= $_FILES['userfiles']['name'][$i];
				$_FILES['userfile']['type']    	= $_FILES['userfiles']['type'][$i];
				$_FILES['userfile']['tmp_name'] = $_FILES['userfiles']['tmp_name'][$i];
				$_FILES['userfile']['error']    = $_FILES['userfiles']['error'][$i];
				$_FILES['userfile']['size']    	= $_FILES['userfiles']['size'][$i];

				//echo $_FILES['userfile']['type'];

				// Check post max size
				if ($_SERVER['CONTENT_LENGTH'] > $mul*(int)$POST_MAX_SIZE && $POST_MAX_SIZE){
					
					$uploaded_files[$i]['error'] 	= 'File size too large.';
					$uploaded_files[$i]['success']	= FALSE;
				
				// We need to treat images and videos seperately, and filter out any files that aren't either.		
				}elseif( in_array($_FILES['userfile']['type'], $allowed_image) ){

					$uploaded_files[$i]['type'] 	= 'image';
					$uploaded_files[$i]['file_name'] = $this->do_upload( $gallery_id , 'image' , $config );
					if($uploaded_files[$i]['file_name'] !== FALSE){
						$uploaded_files[$i]['success']	= TRUE;
					}else{
						$uploaded_files[$i]['success']	= FALSE;
					}

				}elseif( in_array($_FILES['userfile']['type'], $allowed_video) ){

					$uploaded_files[$i]['type'] 	= 'video';
					$uploaded_files[$i]['file_name'] = $this->do_upload( $gallery_id , 'video' , $config );
					if($uploaded_files[$i]['file_name'] !== FALSE){
						$uploaded_files[$i]['success']	= TRUE;
					}else{
						$uploaded_files[$i]['success']	= FALSE;
					}

				}else{
					
					//Filetype not recognised
					$uploaded_files[$i]['success']	= FALSE;
					$uploaded_files[$i]['error']	= 'File type not recognised.'; // TODO list allowed types

				}

			}

			foreach($uploaded_files as $uploaded_file){

				if( $uploaded_file['success'] === FALSE ){
					$view_data['error_message_stack'] = '';

					// Display errors if they exist
					if(!empty($this->display_errors)){
						if(is_array($this->display_errors)){
							$view_data['error_message_stack'] = '<li>'.implode('</li><li>',$this->display_errors).'</li>';
						}else{
							$view_data['error_message_stack'] = $this->display_errors;
						}
						
					}
					if( !empty($uploaded_file['error'])){
						$view_data['error_message_stack'] .= $uploaded_file['error'];
					}

					$media_view_data[] = array('success'=>FALSE, 'type'=>'error');
					

				}else{
				
					$type = ($uploaded_file['type'] == 'image')?'0':'1';


					// Get the user's user_id
					$derived_id = $this->authentication->expose_user_id( $this->session->userdata('auth_identifier') );


					// Add the media to the database
					$media_data = array(
						'user_id' 		=> $derived_id,
						'gallery_id' 	=> $gallery_id,
						'type' 			=> $type,
						'file_name'		=> $uploaded_file['file_name'],
					);
					
					$this->media_model->add_media( $derived_id, $media_data );

					// Show a message indicating that the media was successfully updated
					$view_data['confirmation'] = 1;

					$media_data['success'] = TRUE;
					$media_view_data[] = $media_data;
				}
			}
		}

		// Update the galleries modified date
		$this->gallery_model->set_modified($gallery_id);

		// If this is an ajax request then we need to send different data to the view
		if( $ajax !== FALSE ){
			if(isset($view_data['error_message_stack'])){
				$success = TRUE;
				$errors = $view_data['error_message_stack'];

			}else{
				$success = TRUE;
				$errors = '';
			}
			// Return some JSON
			$JSON = array(
				'data' 		=> $media_view_data,
				'success' 	=> $success,
				'errors' 	=> $errors
			);
			$data = array('JSON'=>$JSON);
			$this->load->view( 'JSON/simple' , $data);


		}else{
		
			$this->load->helper(array('form'));

			// Send data to template
			$data = array(
				'title' 	=> 'Gallery',
				'content' 	=> $this->load->view( 'gallery/gallery_edit', $view_data, TRUE )
			);

			$this->load->view( $this->template, $data );	

		}
		

	}


	private function do_upload( $gallery_id , $type , $config){

		$this->upload->initialize($config);
		
		if(!$this->upload->do_upload()){

			$this->display_errors = $this->upload->display_errors();

			return FALSE;

		}else{

			$data=array('upload_data' => $this->upload->data());

			$directory_path 	 	= $data['upload_data']['file_path'];
			$directory_path_full    = $data['upload_data']['full_path'];
			$file_name 				= $data['upload_data']['raw_name'];
			$save_as				= $gallery_id.'_'.time().rand(0,100);
			//$location 				= $config['storage_path'].$type.'/'.$gallery_id.'_'.time();

			
			// Send the file for formatting by type
			$upload_method = "do_upload_$type";
			if($this->$upload_method($directory_path_full, $save_as)){
				return $save_as;
			}else{
				return FALSE;
			}
		 	
		}
	}

	private function do_upload_image( $directory_path_full , $save_as ){
		//echo $directory_path_full;
		$this->load->library('resize');

		// Iterate through each image size
		foreach($this->config->item('image_size') as $image_size){
			$max_width = $image_size['width'];
			$max_height = $image_size['height'];
			$save_to = $this->config->item('user_upload_folder').'image/'.$image_size['name'].'/'.$save_as.'.jpg';

			$this->resize->set_file($directory_path_full);
			$this->resize->resizeImage($max_width,$max_height,'auto');
			$this->resize->saveImage($save_to,80);
		}

		return $save_as;

	}

	private function do_upload_video( $directory_path_full , $save_as ){
		
		$command = "/opt/lampp/bin/php /opt/lampp/background_scripts/make_mp4.php $save_as $directory_path_full >> /opt/lampp/logs/ffmpeg_log.log 2>&1 &";
		exec($command);

		return TRUE;
	}