From 40917992e775bd21a280eb267241c452e04e5ade Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Thu, 22 May 2014 20:58:21 -0400
Subject: Add files upload

---
 app/Model/File.php | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 176 insertions(+)
 create mode 100644 app/Model/File.php

(limited to 'app/Model/File.php')

diff --git a/app/Model/File.php b/app/Model/File.php
new file mode 100644
index 00000000..1e2e1432
--- /dev/null
+++ b/app/Model/File.php
@@ -0,0 +1,176 @@
+<?php
+
+namespace Model;
+
+use SimpleValidator\Validator;
+use SimpleValidator\Validators;
+
+/**
+ * File model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class File extends Base
+{
+    /**
+     * SQL table name
+     *
+     * @var string
+     */
+    const TABLE = 'task_has_files';
+
+    /**
+     * Directory where are stored files
+     *
+     * @var string
+     */
+    const BASE_PATH = 'data/files/';
+
+    /**
+     * Get a file by the id
+     *
+     * @access public
+     * @param  integer   $file_id    File id
+     * @return array
+     */
+    public function getById($file_id)
+    {
+        return $this->db->table(self::TABLE)->eq('id', $file_id)->findOne();
+    }
+
+    /**
+     * Remove a file
+     *
+     * @access public
+     * @param  integer   $file_id    File id
+     * @return bool
+     */
+    public function remove($file_id)
+    {
+        $file = $this->getbyId($file_id);
+
+        if (! empty($file) && @unlink(self::BASE_PATH.$file['path'])) {
+            return $this->db->table(self::TABLE)->eq('id', $file_id)->remove();
+        }
+
+        return false;
+    }
+
+    /**
+     * Create a file entry in the database
+     *
+     * @access public
+     * @param  integer  $task_id    Task id
+     * @param  string   $name       Filename
+     * @param  string   $path       Path on the disk
+     * @param  bool     $is_image   Image or not
+     * @return bool
+     */
+    public function create($task_id, $name, $path, $is_image)
+    {
+        return $this->db->table(self::TABLE)->save(array(
+            'task_id' => $task_id,
+            'name' => $name,
+            'path' => $path,
+            'is_image' => $is_image ? '1' : '0',
+        ));
+    }
+
+    /**
+     * Get all files for a given task
+     *
+     * @access public
+     * @param  integer   $task_id    Task id
+     * @return array
+     */
+    public function getAll($task_id)
+    {
+        return $listing = $this->db->table(self::TABLE)
+            ->eq('task_id', $task_id)
+            ->asc('name')
+            ->findAll();
+    }
+
+    /**
+     * Check if a filename is an image
+     *
+     * @access public
+     * @param  string   $filename   Filename
+     * @return bool
+     */
+    public function isImage($filename)
+    {
+        return getimagesize($filename) !== false;
+    }
+
+    /**
+     * Generate the path for a new filename
+     *
+     * @access public
+     * @param  integer   $project_id    Project id
+     * @param  integer   $task_id       Task id
+     * @param  string    $filename      Filename
+     * @return bool
+     */
+    public function generatePath($project_id, $task_id, $filename)
+    {
+        return $project_id.DIRECTORY_SEPARATOR.$task_id.DIRECTORY_SEPARATOR.hash('sha1', $filename.time());
+    }
+
+    /**
+     * Check if the base directory is created correctly
+     *
+     * @access public
+     */
+    public function setup()
+    {
+        if (! is_dir(self::BASE_PATH)) {
+            if (! mkdir(self::BASE_PATH, 0755, true)) {
+                die('Unable to create the upload directory: "'.self::BASE_PATH.'"');
+            }
+        }
+
+        if (! is_writable(self::BASE_PATH)) {
+            die('The directory "'.self::BASE_PATH.'" must be writeable by your webserver user');
+        }
+    }
+
+    /**
+     * Handle file upload
+     *
+     * @access public
+     * @param  integer   $project_id     Project id
+     * @param  integer   $task_id        Task id
+     * @param  string    $form_name      File form name
+     */
+    public function upload($project_id, $task_id, $form_name)
+    {
+        $this->setup();
+
+        if (! empty($_FILES[$form_name])) {
+
+            foreach ($_FILES[$form_name]['error'] as $key => $error) {
+
+                if ($error == UPLOAD_ERR_OK && $_FILES[$form_name]['size'][$key] > 0) {
+
+                    $original_filename = basename($_FILES[$form_name]['name'][$key]);
+                    $uploaded_filename = $_FILES[$form_name]['tmp_name'][$key];
+                    $destination_filename = $this->generatePath($project_id, $task_id, $original_filename);
+
+                    @mkdir(self::BASE_PATH.dirname($destination_filename), 0755, true);
+
+                    if (@move_uploaded_file($uploaded_filename, self::BASE_PATH.$destination_filename)) {
+
+                        $this->create(
+                            $task_id,
+                            $original_filename,
+                            $destination_filename,
+                            $this->isImage(self::BASE_PATH.$destination_filename)
+                        );
+                    }
+                }
+            }
+        }
+    }
+}
-- 
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