1 <?php
  2 
  3 /*
  4  * This file is part of the Icybee package.
  5  *
  6  * (c) Olivier Laviale <olivier.laviale@gmail.com>
  7  *
  8  * For the full copyright and license information, please view the LICENSE
  9  * file that was distributed with this source code.
 10  */
 11 
 12 namespace Icybee\Modules\Files;
 13 
 14 use ICanBoogie\Exception;
 15 use ICanBoogie\Uploaded;
 16 
 17 class Model extends \Icybee\Modules\Nodes\Model
 18 {
 19     const ACCEPT = '#files-accept';
 20     const UPLOADED = '#files-uploaded';
 21 
 22     public function save(array $properties, $key=null, array $options=array())
 23     {
 24         #
 25         # because the newly uploaded file might not overrite the previous file if there extensions
 26         # don't match, we use the $delete variable to delete the previous file. the variable
 27         # is defined after an upload.
 28         #
 29 
 30         $delete = null;
 31 
 32         #
 33         # $previous_title is used to check if the file has to been renamed.
 34         # It is set to the last value of the entry, or NULL if we are creating a
 35         # new one.
 36         #
 37         # If nedded, the file is renamed after the entry has been saved.
 38         #
 39 
 40         $previous_title = null;
 41         $previous_path = null;
 42 
 43         #
 44         # If we are modifying an entry, we load its previous values to check for updates related
 45         # to the title.
 46         #
 47 
 48         if ($key)
 49         {
 50             #
 51             # load previous entry to check for changes
 52             #
 53 
 54             $previous = $this->select('title, path, mime')->filter_by_nid($key)->one;
 55 
 56             #
 57             # extract previous to obtain previous_title, previous_path and previous_mime
 58             #
 59 
 60             extract($previous, EXTR_PREFIX_ALL, 'previous');
 61 
 62             $properties[File::MIME] = $previous_mime;
 63         }
 64 
 65         if (isset($properties[File::HTTP_FILE]))
 66         {
 67             /* @var $file \ICanBoogie\HTTP\File */
 68 
 69             $file = $properties[File::HTTP_FILE];
 70 
 71             $delete = $previous_path;
 72             $path = \ICanBoogie\strip_root($file->pathname);
 73             $previous_path = $path;
 74             $previous_title = null; // setting `previous_title` to null forces the update
 75 
 76             $properties[File::MIME] = $file->type;
 77             $properties[File::SIZE] = $file->size;
 78 
 79             if (empty($properties[File::TITLE]))
 80             {
 81                 $properties[File::TITLE] = $file->unsuffixed_name;
 82             }
 83 
 84             $properties[File::PATH] = $path;
 85         }
 86 
 87         $title = null;
 88 
 89         if (isset($properties[File::TITLE]))
 90         {
 91             $title = $properties[File::TITLE];
 92         }
 93 
 94         $mime = $properties[File::MIME];
 95 
 96         #
 97         # before we continue, we have to check if we can actually move the file to the repository
 98         #
 99 
100         $path = self::make_path($key, $title, $previous_path, $mime);
101 
102         $root = \ICanBoogie\DOCUMENT_ROOT;
103         $parent = dirname($path);
104 
105         if (!is_dir($root . $parent))
106         {
107             mkdir($root . $parent, 0705, true);
108         }
109 
110         $key = parent::save($properties, $key, $options);
111 
112         if (!$key)
113         {
114             return $key;
115         }
116 
117         #
118         # change path according to node's title
119         #
120 
121         if (($path != $previous_path) || (!$previous_title || ($previous_title != $title)))
122         {
123             $path = self::make_path($key, $title, $previous_path, $mime);
124 
125             if ($delete && is_file($root . $delete))
126             {
127                 unlink($root . $delete);
128             }
129 
130             $ok = rename($root . $previous_path, $root . $path);
131 
132             if (!$ok)
133             {
134                 throw new \Exception(\ICanBoogie\format('Unable to rename %previous to %path', [
135 
136                     'previous' => $previous_path,
137                     'path' => $path
138 
139                 ]));
140             }
141 
142             $this->update([ File::PATH => $path ], $key);
143         }
144 
145         return $key;
146     }
147 
148     public function delete($key)
149     {
150         $path = $this->select('path')->filter_by_nid($key)->rc;
151 
152         $rc = parent::delete($key);
153 
154         if ($rc && $path)
155         {
156             $root = \ICanBoogie\DOCUMENT_ROOT;
157 
158             if (is_file($root . $path))
159             {
160                 unlink($root . $path);
161             }
162         }
163 
164         return $rc;
165     }
166 
167     static protected function make_path($key, $title, $path, $mime)
168     {
169         $base = dirname($mime);
170 
171         if ($base == 'application')
172         {
173             $base = basename($mime);
174         }
175 
176         if (!in_array($base, [ 'image', 'audio', 'pdf', 'zip' ]))
177         {
178             $base = 'bin';
179         }
180 
181         $rc = \ICanBoogie\strip_root(\ICanBoogie\REPOSITORY . 'files')
182         . '/' . $base . '/' . ($key ?: uniqid()) . '-' . \ICanBoogie\normalize($title);
183 
184         #
185         # append extension
186         #
187 
188         $extension = pathinfo($path, PATHINFO_EXTENSION) ?: 'file';
189 
190         return $rc . '.' . $extension;
191     }
192 }

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