implement UploadsAgent for user uploads

models/UploadsModel.inc

@@ -0,0 +1,148 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\models;
+	
+	
+	/**
+	 * Model to handle files to upload.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class UploadsModel extends \hhu\z\Model
+	{
+		
+		
+		
+		
+		/**
+		 * Construct a new UploadsModel.
+		 */
+		public function __construct()
+		{
+			parent::__construct();
+		}
+		
+		
+		
+		
+		/**
+		 * Upload a file and create a database record.
+		 * 
+		 * @param	int	$userId		ID of user that uploads the file
+		 * @param	string	$filename	Name of file to upload
+		 * @param	string	$tmpFilename	Name of temporary uploaded file
+		 * @param	string	$mimetype	Mimetype of file to upload
+		 * @param	int	$seminaryId	Optional ID of Seminary if the upload is in the context of one
+		 * @return	mixed			ID of database record or false
+		 */
+		public function uploadFile($userId, $filename, $tmpFilename, $mimetype, $seminaryId=null)
+		{
+			$uploadId = false;
+			$this->db->setAutocommit(false);
+			
+			try {
+				// Create database record
+				if(is_null($seminaryId))
+				{
+					$this->db->query(
+						'INSERT INTO uploads '.
+						'(created_user_id, name, url, mimetype) '.
+						'VALUES '.
+						'(?, ? ,? ,?)',
+						'isss',
+						$userId, $filename, \nre\core\Linker::createLinkParam($filename), $mimetype
+					);
+				}
+				else
+				{
+					$this->db->query(
+						'INSERT INTO uploads '.
+						'(created_user_id, seminary_id, name, url, mimetype) '.
+						'VALUES '.
+						'(?, ?, ? ,? ,?)',
+						'iisss',
+						$userId, $seminaryId, $filename, \nre\core\Linker::createLinkParam($filename), $mimetype
+					);
+				}
+				$uploadId = $this->db->getInsertId();
+			
+				// Create filename
+				$filename = ROOT.DS.\nre\configs\AppConfig::$dirs['uploads'].DS.$uploadId;
+				if(!move_uploaded_file($tmpFilename, $filename))
+				{
+					$this->db->rollback();
+					$uploadId = false;
+				}
+			}
+			catch(\nre\exceptions\DatamodelException $e) {
+				$this->db->rollback();
+				$this->db->setAutocommit(true);
+			}
+			
+			
+			$this->db->setAutocommit(true);
+			return $uploadId;
+		}
+		
+		
+		/**
+		 * Get an upload by its ID.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	int	$uploadId	ID of the uploaded file
+		 * @return	array			Upload data
+		 */
+		public function getUploadById($uploadId)
+		{
+			$data = $this->db->query(
+				'SELECT id, created, created_user_id, seminary_id, name, url, mimetype, public '.
+				'FROM uploads '.
+				'WHERE id = ?',
+				'i',
+				$uploadId
+			);
+			if(empty($data)) {
+				throw new \nre\exceptions\IdNotFoundException($uploadId);
+			}
+			
+			
+			return $data[0];
+		}
+		
+		
+		/**
+		 * Get an upload by its URL.
+		 * 
+		 * @throws	IdNotFoundException
+		 * @param	int	$uploadId	ID of the uploaded file
+		 * @return	array			Upload data
+		 */
+		public function getUploadByUrl($uploadUrl)
+		{
+			$data = $this->db->query(
+				'SELECT id, created, created_user_id, seminary_id, name, url, mimetype, public '.
+				'FROM uploads '.
+				'WHERE url = ?',
+				's',
+				$uploadUrl
+			);
+			if(empty($data)) {
+				throw new \nre\exceptions\IdNotFoundException($uploadUrl);
+			}
+			
+			
+			return $data[0];
+		}
+		
+	}
+
+?>