galette/lib/Galette/Core/Picture.php

   1 <?php
   2
   3 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   4
   5 /**
   6  * Picture handling
   7  *
   8  * PHP version 5
   9  *
  10  * Copyright © 2006-2014 The Galette Team
  11  *
  12  * This file is part of Galette (http://galette.tuxfamily.org).
  13  *
  14  * Galette is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation, either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * Galette is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with Galette. If not, see <http://www.gnu.org/licenses/>.
  26  *
  27  * @category  Core
  28  * @package   Galette
  29  *
  30  * @author    Frédéric Jaqcuot <unknown@unknow.com>
  31  * @author    Johan Cwiklinski <johan@x-tnd.be>
  32  * @copyright 2006-2014 The Galette Team
  33  * @license   http://www.gnu.org/licenses/gpl-3.0.html GPL License 3.0 or (at your option) any later version
  34  * @version   SVN: $Id$
  35  * @link      http://galette.tuxfamily.org
  36  */
  37
  38 namespace Galette\Core;
  39
  40 use Analog\Analog;
  41 use Galette\Entity\Adherent;
  42 use Galette\Repository\Members;
  43 use Galette\IO\FileInterface;
  44 use Galette\IO\FileTrait;
  45
  46 /**
  47  * Picture handling
  48  *
  49  * @name Picture
  50  * @category  Core
  51  * @package   Galette
  52  * @author    Frédéric Jaqcuot <unknown@unknow.com>
  53  * @author    Johan Cwiklinski <johan@x-tnd.be>
  54  * @copyright 2006-2014 The Galette Team
  55  * @license   http://www.gnu.org/licenses/gpl-3.0.html GPL License 3.0 or (at your option) any later version
  56  * @link      http://galette.tuxfamily.org
  57  */
  58 class Picture implements FileInterface
  59 {
  60     use FileTrait;
  61
  62     //constants that will not be overrided
  63     const SQL_ERROR = -10;
  64     const SQL_BLOB_ERROR = -11;
  65     //constants that can be overrided
  66     //(do not use self::CONSTANT, but get_class[$this]::CONSTANT)
  67     const TABLE = 'pictures';
  68     const PK = Adherent::PK;
  69
  70     protected $tbl_prefix = '';
  71
  72     protected $id;
  73     protected $height;
  74     protected $width;
  75     protected $optimal_height;
  76     protected $optimal_width;
  77     protected $file_path;
  78     protected $format;
  79     protected $mime;
  80     protected $has_picture = false;
  81     protected $store_path = GALETTE_PHOTOS_PATH;
  82     protected $max_width = 200;
  83     protected $max_height = 200;
  84     private $insert_stmt;
  85
  86     /**
  87      * Default constructor.
  88      *
  89      * @param int $id_adh the id of the member
  90      */
  91     public function __construct($id_adh = '')
  92     {
  93
  94         $this->init(
  95             null,
  96             array('jpeg', 'jpg', 'png', 'gif'),
  97             array(
  98                 'jpg'    =>    'image/jpeg',
  99                 'png'    =>    'image/png',
 100                 'gif'    =>    'image/gif'
 101             )
 102         );
 103
 104         // '!==' needed, otherwise ''==0
 105         if ($id_adh !== '' && $id_adh !== null) {
 106             $this->id = $id_adh;
 107             if (!isset($this->db_id)) {
 108                 $this->db_id = $id_adh;
 109             }
 110
 111             //if file does not exists on the FileSystem, check for it in the database
 112             if (!$this->checkFileOnFS()) {
 113                 if ($this->checkFileInDB()) {
 114                     $this->has_picture = true;
 115                 }
 116             } else {
 117                 $this->has_picture = true;
 118             }
 119         }
 120
 121         // if we still have no picture, take the default one
 122         if (empty($this->file_path)) {
 123             $this->getDefaultPicture();
 124         }
 125
 126         //we should not have an empty file_path, but...
 127         if (!empty($this->file_path)) {
 128             $this->setSizes();
 129         }
 130     }
 131
 132     /**
 133      * "Magic" function called on unserialize
 134      *
 135      * @return void
 136      */
 137     public function __wakeup()
 138     {
 139         //if file has been deleted since we store our object in the session,
 140         //we try to retrieve it
 141         if (!$this->checkFileOnFS()) {
 142             //if file does not exists on the FileSystem,
 143             //check for it in the database
 144             //$this->checkFileInDB();
 145         } else {
 146             $this->has_picture = false;
 147         }
 148
 149         // if we still have no picture, take the default one
 150         if (empty($this->file_path)) {
 151             $this->getDefaultPicture();
 152         }
 153
 154         //we should not have an empty file_path, but...
 155         if (!empty($this->file_path)) {
 156             $this->setSizes();
 157         }
 158     }
 159
 160     /**
 161      * Check if current file is present on the File System
 162      *
 163      * @return boolean true if file is present on FS, false otherwise
 164      */
 165     private function checkFileOnFS()
 166     {
 167         $file_wo_ext = $this->store_path . $this->id;
 168         if (file_exists($file_wo_ext . '.jpg')) {
 169             $this->file_path = realpath($file_wo_ext . '.jpg');
 170             $this->format = 'jpg';
 171             $this->mime = 'image/jpeg';
 172             return true;
 173         } elseif (file_exists($file_wo_ext . '.png')) {
 174             $this->file_path = realpath($file_wo_ext . '.png');
 175             $this->format = 'png';
 176             $this->mime = 'image/png';
 177             return true;
 178         } elseif (file_exists($file_wo_ext . '.gif')) {
 179             $this->file_path = realpath($file_wo_ext . '.gif');
 180             $this->format = 'gif';
 181             $this->mime = 'image/gif';
 182             return true;
 183         }
 184         return false;
 185     }
 186
 187     /**
 188      * Check if current file is present in the database,
 189      *   and copy it to the File System
 190      *
 191      * @return boolean true if file is present in the DB, false otherwise
 192      */
 193     private function checkFileInDB()
 194     {
 195         global $zdb;
 196
 197         try {
 198             $select = $this->getCheckFileQuery();
 199             $results = $zdb->execute($select);
 200             $pic = $results->current();
 201
 202             if ($pic) {
 203                 // we must regenerate the picture file
 204                 $file_wo_ext = $this->store_path . $this->id;
 205                 file_put_contents(
 206                     $file_wo_ext . '.' . $pic->format,
 207                     $pic->picture
 208                 );
 209
 210                 $this->format = $pic->format;
 211                 switch ($this->format) {
 212                     case 'jpg':
 213                         $this->mime = 'image/jpeg';
 214                         break;
 215                     case 'png':
 216                         $this->mime = 'image/png';
 217                         break;
 218                     case 'gif':
 219                         $this->mime = 'image/gif';
 220                         break;
 221                 }
 222                 $this->file_path = realpath($file_wo_ext . '.' . $this->format);
 223                 return true;
 224             }
 225         } catch (\Exception $e) {
 226             return false;
 227         }
 228     }
 229
 230     /**
 231      * Returns the relevant query to check if picture exists in database.
 232      *
 233      * @return string SELECT query
 234      */
 235     protected function getCheckFileQuery()
 236     {
 237         global $zdb;
 238         $class = get_class($this);
 239
 240         $select = $zdb->select($this->tbl_prefix . $class::TABLE);
 241         $select->columns(
 242             array(
 243                 'picture',
 244                 'format'
 245             )
 246         );
 247         $select->where(array($class::PK => $this->db_id));
 248         return $select;
 249     }
 250
 251     /**
 252      * Gets the default picture to show, anyways
 253      *
 254      * @return void
 255      */
 256     protected function getDefaultPicture()
 257     {
 258         $this->file_path = realpath(_CURRENT_THEME_PATH . 'images/default.png');
 259         $this->format = 'png';
 260         $this->mime = 'image/png';
 261         $this->has_picture = false;
 262     }
 263
 264     /**
 265      * Set picture sizes
 266      *
 267      * @return void
 268      */
 269     private function setSizes()
 270     {
 271         list($width, $height) = getimagesize($this->file_path);
 272         $this->height = $height;
 273         $this->width = $width;
 274         $this->optimal_height = $height;
 275         $this->optimal_width = $width;
 276
 277         if ($this->height > $this->width) {
 278             if ($this->height > $this->max_height) {
 279                 $ratio = $this->max_height / $this->height;
 280                 $this->optimal_height = $this->max_height;
 281                 $this->optimal_width = $this->width * $ratio;
 282             }
 283         } else {
 284             if ($this->width > $this->max_width) {
 285                 $ratio = $this->max_width / $this->width;
 286                 $this->optimal_width = $this->max_width;
 287                 $this->optimal_height = $this->height * $ratio;
 288             }
 289         }
 290     }
 291
 292     /**
 293      * Set header and displays the picture.
 294      *
 295      * @return object the binary file
 296      */
 297     public function display()
 298     {
 299         header('Content-type: '.$this->mime);
 300         header('Content-Length: ' . filesize($this->file_path));
 301         ob_clean();
 302         flush();
 303         readfile($this->file_path);
 304     }
 305
 306     /**
 307      * Deletes a picture, from both database and filesystem
 308      *
 309      * @param boolean $transaction Whether to use a transaction here or not
 310      *
 311      * @return boolean true if image was successfully deleted, false otherwise
 312      */
 313     public function delete($transaction = true)
 314     {
 315         global $zdb;
 316         $class = get_class($this);
 317
 318         try {
 319             if ($transaction === true) {
 320                 $zdb->connection->beginTransaction();
 321             }
 322
 323             $delete = $zdb->delete($this->tbl_prefix . $class::TABLE);
 324             $delete->where(
 325                 $class::PK . ' = ' . $this->db_id
 326             );
 327             $del = $zdb->execute($delete);
 328
 329             if (!$del->count() > 0) {
 330                 Analog::log(
 331                     'Unable to remove picture database entry for ' . $this->db_id,
 332                     Analog::ERROR
 333                 );
 334                 //it may be possible image is missing in the database.
 335                 //let's try to remove file anyway.
 336             }
 337
 338             $file_wo_ext = $this->store_path . $this->id;
 339
 340             // take back default picture
 341             $this->getDefaultPicture();
 342             // fix sizes
 343             $this->setSizes();
 344
 345             $success = false;
 346             $_file = null;
 347             if (file_exists($file_wo_ext . '.jpg')) {
 348                 //return unlink($file_wo_ext . '.jpg');
 349                 $_file = $file_wo_ext . '.jpg';
 350                 $success = unlink($_file);
 351             } elseif (file_exists($file_wo_ext . '.png')) {
 352                 //return unlink($file_wo_ext . '.png');
 353                 $_file = $file_wo_ext . '.png';
 354                 $success = unlink($_file);
 355             } elseif (file_exists($file_wo_ext . '.gif')) {
 356                 //return unlink($file_wo_ext . '.gif');
 357                 $_file = $file_wo_ext . '.gif';
 358                 $success = unlink($_file);
 359             }
 360
 361             if ($_file !== null && $success !== true) {
 362                 //unable to remove file that exists!
 363                 if ($transaction === true) {
 364                     $zdb->connection->rollBack();
 365                 }
 366                 Analog::log(
 367                     'The file ' . $_file .
 368                     ' was found on the disk but cannot be removed.',
 369                     Analog::ERROR
 370                 );
 371                 return false;
 372             } else {
 373                 if ($transaction === true) {
 374                     $zdb->connection->commit();
 375                 }
 376                 $this->has_picture = false;
 377                 return true;
 378             }
 379         } catch (\Exception $e) {
 380             if ($transaction === true) {
 381                 $zdb->connection->rollBack();
 382             }
 383             Analog::log(
 384                 'An error occurred attempting to delete picture ' . $this->db_id .
 385                 'from database | ' . $e->getMessage(),
 386                 Analog::ERROR
 387             );
 388             return false;
 389         }
 390     }
 391
 392     /**
 393      * Stores an image on the disk and in the database
 394      *
 395      * @param object  $file the uploaded file
 396      * @param boolean $ajax If the image cames from an ajax call (dnd)
 397      *
 398      * @return true|false result of the storage process
 399      */
 400     public function store($file, $ajax = false)
 401     {
 402         /** TODO: fix max size (by preferences ?) */
 403         global $zdb;
 404
 405         $class = get_class($this);
 406
 407         $name = $file['name'];
 408         $tmpfile = $file['tmp_name'];
 409
 410         //First, does the file have a valid name?
 411         $reg = "/^([^" . implode('', $this->bad_chars) . "]+)\.(" .
 412             implode('|', $this->allowed_extensions) . ")$/i";
 413         if (preg_match($reg, $name, $matches)) {
 414             Analog::log(
 415                 '[' . $class . '] Filename and extension are OK, proceed.',
 416                 Analog::DEBUG
 417             );
 418             $extension = strtolower($matches[2]);
 419             if ($extension == 'jpeg') {
 420                 //jpeg is an allowed extension,
 421                 //but we change it to jpg to reduce further tests :)
 422                 $extension = 'jpg';
 423             }
 424         } else {
 425             $erreg = "/^([^" . implode('', $this->bad_chars) . "]+)\.(.*)/i";
 426             $m = preg_match($erreg, $name, $errmatches);
 427
 428             $err_msg = '[' . $class . '] ';
 429             if ($m == 1) {
 430                 //ok, we got a good filename and an extension. Extension is bad :)
 431                 $err_msg .= 'Invalid extension for file ' . $name . '.';
 432                 $ret = self::INVALID_EXTENSION;
 433             } else {
 434                 $err_msg = 'Invalid filename `' . $name  . '` (Tip: ';
 435                 $err_msg .= preg_replace(
 436                     '|%s|',
 437                     htmlentities($this->getBadChars()),
 438                     "file name should not contain any of: %s). "
 439                 );
 440                 $ret = self::INVALID_FILENAME;
 441             }
 442
 443             Analog::log(
 444                 $err_msg,
 445                 Analog::ERROR
 446             );
 447             return $ret;
 448         }
 449
 450         //Second, let's check file size
 451         if ($file['size'] > ( $this->maxlenght * 1024 )) {
 452             Analog::log(
 453                 '[' . $class . '] File is too big (' . ( $file['size'] * 1024 ) .
 454                 'Ko for maximum authorized ' . ( $this->maxlenght * 1024 ) .
 455                 'Ko',
 456                 Analog::ERROR
 457             );
 458             return self::FILE_TOO_BIG;
 459         } else {
 460             Analog::log('[' . $class . '] Filesize is OK, proceed', Analog::DEBUG);
 461         }
 462
 463         $current = getimagesize($tmpfile);
 464
 465         if (!in_array($current['mime'], $this->allowed_mimes)) {
 466             Analog::log(
 467                 '[' . $class . '] Mimetype `' . $current['mime'] . '` not allowed',
 468                 Analog::ERROR
 469             );
 470             return self::MIME_NOT_ALLOWED;
 471         } else {
 472             Analog::log(
 473                 '[' . $class . '] Mimetype is allowed, proceed',
 474                 Analog::DEBUG
 475             );
 476         }
 477
 478         $this->delete();
 479
 480         $new_file = $this->store_path .
 481             $this->id . '.' . $extension;
 482         if ($ajax === true) {
 483             rename($tmpfile, $new_file);
 484         } else {
 485             move_uploaded_file($tmpfile, $new_file);
 486         }
 487
 488         // current[0] gives width ; current[1] gives height
 489         if ($current[0] > $this->max_width || $current[1] > $this->max_height) {
 490             /** FIXME: what if image cannot be resized?
 491                 Should'nt we want to stop the process here? */
 492             $this->resizeImage($new_file, $extension);
 493         }
 494
 495         return $this->storeInDb($zdb, $this->db_id, $new_file, $extension);
 496     }
 497
 498     /**
 499      * Stores an image in the database
 500      *
 501      * @param Db     $zdb  Database instance
 502      * @param int    $id   Member ID
 503      * @param string $file File path on disk
 504      * @param string $ext  File extension
 505      *
 506      * @return boolean
 507      */
 508     private function storeInDb(Db $zdb, $id, $file, $ext)
 509     {
 510         $f = fopen($file, 'r');
 511         $picture = '';
 512         while ($r=fread($f, 8192)) {
 513             $picture .= $r;
 514         }
 515         fclose($f);
 516
 517         $class = get_class($this);
 518
 519         try {
 520             $zdb->connection->beginTransaction();
 521             $stmt = $this->insert_stmt;
 522             if ($stmt == null) {
 523                 $insert = $zdb->insert($this->tbl_prefix . $class::TABLE);
 524                 $insert->values(
 525                     array(
 526                         $class::PK  => ':id',
 527                         'picture'   => ':picture',
 528                         'format'    => ':format'
 529                     )
 530                 );
 531                 $stmt = $zdb->sql->prepareStatementForSqlObject($insert);
 532                 $container = $stmt->getParameterContainer();
 533                 $container->offsetSet(
 534                     $class::PK,
 535                     ':id'
 536                 );
 537                 $container->offsetSet(
 538                     'picture',
 539                     ':picture',
 540                     $container::TYPE_LOB
 541                 );
 542                 $container->offsetSet(
 543                     'format',
 544                     ':format'
 545                 );
 546                 $stmt->setParameterContainer($container);
 547                 $this->insert_stmt = $stmt;
 548             }
 549
 550             $stmt->execute(
 551                 array(
 552                     $class::PK  => $id,
 553                     'picture'   => $picture,
 554                     'format'    => $ext
 555                 )
 556             );
 557             $zdb->connection->commit();
 558             $this->has_picture = true;
 559         } catch (\Exception $e) {
 560             $zdb->connection->rollBack();
 561             Analog::log(
 562                 'An error occurred storing picture in database: ' .
 563                 $e->getMessage(),
 564                 Analog::ERROR
 565             );
 566             return self::SQL_ERROR;
 567         }
 568
 569         return true;
 570     }
 571
 572     /**
 573      * Check for missing images in database
 574      *
 575      * @param Db $zdb Database instance
 576      *
 577      * @return void
 578      */
 579     public function missingInDb(Db $zdb)
 580     {
 581         $existing_disk = array();
 582
 583         //retrieve files on disk
 584         if ($handle = opendir($this->store_path)) {
 585             while (false !== ($entry = readdir($handle))) {
 586                 $reg = "/^(\d+)\.(" .
 587                     implode('|', $this->allowed_extensions) . ")$/i";
 588                 if (preg_match($reg, $entry, $matches)) {
 589                     $id = $matches[1];
 590                     $extension = strtolower($matches[2]);
 591                     if ($extension == 'jpeg') {
 592                         //jpeg is an allowed extension,
 593                         //but we change it to jpg to reduce further tests :)
 594                         $extension = 'jpg';
 595                     }
 596                     $existing_disk[$id] = array(
 597                         'name'  => $entry,
 598                         'id'    => $id,
 599                         'ext'   => $extension
 600                     );
 601                 }
 602             }
 603             closedir($handle);
 604
 605             if (count($existing_disk) === 0) {
 606                 //no image on disk, nothing to do :)
 607                 return;
 608             }
 609
 610             //retrieve files in database
 611             $class = get_class($this);
 612             $select = $zdb->select($this->tbl_prefix . $class::TABLE);
 613             $select
 614                 ->columns(array($class::PK))
 615                 ->where->in($class::PK, array_keys($existing_disk));
 616
 617             $results = $zdb->execute($select);
 618
 619             $existing_db = array();
 620             foreach ($results as $result) {
 621                 $existing_db[] = (int)$result[self::PK];
 622             }
 623
 624             $existing_diff = array_diff(array_keys($existing_disk), $existing_db);
 625
 626             //retrieve valid members ids
 627             $members = new Members();
 628             $valids = $members->getArrayList(
 629                 $existing_diff,
 630                 null,
 631                 false,
 632                 false,
 633                 array(self::PK)
 634             );
 635
 636             foreach ($valids as $valid) {
 637                 $file = $existing_disk[$valid->id_adh];
 638                 $this->storeInDb(
 639                     $zdb,
 640                     $file['id'],
 641                     $this->store_path . $file['id'] . '.' . $file['ext'],
 642                     $file['ext']
 643                 );
 644             }
 645         } else {
 646             Analog::log(
 647                 'Something went wrong opening images directory ' .
 648                 $this->store_path,
 649                 Analog::ERROR
 650             );
 651         }
 652     }
 653
 654     /**
 655      * Resize the image if it exceed max allowed sizes
 656      *
 657      * @param string $source the source image
 658      * @param string $ext    file's extension
 659      * @param string $dest   the destination image.
 660      *                       If null, we'll use the source image. Defaults to null
 661      *
 662      * @return void
 663      */
 664     private function resizeImage($source, $ext, $dest = null)
 665     {
 666         $class = get_class($this);
 667
 668         if (function_exists("gd_info")) {
 669             $gdinfo = gd_info();
 670             $h = $this->max_height;
 671             $w = $this->max_width;
 672             if ($dest == null) {
 673                 $dest = $source;
 674             }
 675
 676             switch (strtolower($ext)) {
 677                 case 'jpg':
 678                     if (!$gdinfo['JPEG Support']) {
 679                         Analog::log(
 680                             '[' . $class . '] GD has no JPEG Support - ' .
 681                             'pictures could not be resized!',
 682                             Analog::ERROR
 683                         );
 684                         return false;
 685                     }
 686                     break;
 687                 case 'png':
 688                     if (!$gdinfo['PNG Support']) {
 689                         Analog::log(
 690                             '[' . $class . '] GD has no PNG Support - ' .
 691                             'pictures could not be resized!',
 692                             Analog::ERROR
 693                         );
 694                         return false;
 695                     }
 696                     break;
 697                 case 'gif':
 698                     if (!$gdinfo['GIF Create Support']) {
 699                         Analog::log(
 700                             '[' . $class . '] GD has no GIF Support - ' .
 701                             'pictures could not be resized!',
 702                             Analog::ERROR
 703                         );
 704                         return false;
 705                     }
 706                     break;
 707                 default:
 708                     return false;
 709             }
 710
 711             list($cur_width, $cur_height, $cur_type, $curattr)
 712                 = getimagesize($source);
 713
 714             $ratio = $cur_width / $cur_height;
 715
 716             // calculate image size according to ratio
 717             if ($cur_width>$cur_height) {
 718                 $h = $w/$ratio;
 719             } else {
 720                 $w = $h*$ratio;
 721             }
 722
 723             $thumb = imagecreatetruecolor($w, $h);
 724             switch ($ext) {
 725                 case 'jpg':
 726                     $image = ImageCreateFromJpeg($source);
 727                     imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
 728                     imagejpeg($thumb, $dest);
 729                     break;
 730                 case 'png':
 731                     $image = ImageCreateFromPng($source);
 732                     // Turn off alpha blending and set alpha flag. That prevent alpha
 733                     // transparency to be saved as an arbitrary color (black in my tests)
 734                     imagealphablending($thumb, false);
 735                     imagealphablending($image, false);
 736                     imagesavealpha($thumb, true);
 737                     imagesavealpha($image, true);
 738                     imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
 739                     imagepng($thumb, $dest);
 740                     break;
 741                 case 'gif':
 742                     $image = ImageCreateFromGif($source);
 743                     imagecopyresampled($thumb, $image, 0, 0, 0, 0, $w, $h, $cur_width, $cur_height);
 744                     imagegif($thumb, $dest);
 745                     break;
 746             }
 747         } else {
 748             Analog::log(
 749                 '[' . $class . '] GD is not present - ' .
 750                 'pictures could not be resized!',
 751                 Analog::ERROR
 752             );
 753         }
 754     }
 755
 756     /**
 757      * Returns current file optimal height (resized)
 758      *
 759      * @return int optimal height
 760      */
 761     public function getOptimalHeight()
 762     {
 763         return (int)round($this->optimal_height, 1);
 764     }
 765
 766     /**
 767      * Returns current file height
 768      *
 769      * @return int current height
 770      */
 771     public function getHeight()
 772     {
 773         return $this->height;
 774     }
 775
 776     /**
 777      * Returns current file optimal width (resized)
 778      *
 779      * @return int optimal width
 780      */
 781     public function getOptimalWidth()
 782     {
 783         return (int)round($this->optimal_width, 1);
 784     }
 785
 786     /**
 787      * Returns current file width
 788      *
 789      * @return int current width
 790      */
 791     public function getWidth()
 792     {
 793         return $this->width;
 794     }
 795
 796     /**
 797      * Returns current file format
 798      *
 799      * @return string
 800      */
 801     public function getFormat()
 802     {
 803         return $this->format;
 804     }
 805
 806     /**
 807      * Have we got a picture ?
 808      *
 809      * @return bool True if a picture matches adherent's id, false otherwise
 810      */
 811     public function hasPicture()
 812     {
 813         return $this->has_picture;
 814     }
 815
 816     /**
 817      * Returns current file full path
 818      *
 819      * @return string full file path
 820      */
 821     public function getPath()
 822     {
 823         return $this->file_path;
 824     }
 825
 826     /**
 827      * Returns current mime type
 828      *
 829      * @return string
 830      */
 831     public function getMime()
 832     {
 833         return $this->mime;
 834     }
 835
 836     /**
 837      * Return textual error message
 838      *
 839      * @param int $code The error code
 840      *
 841      * @return string Localized message
 842      */
 843     public function getErrorMessage($code)
 844     {
 845         $error = null;
 846         switch ($code) {
 847             case self::SQL_ERROR:
 848             case self::SQL_BLOB_ERROR:
 849                 $error = _T("An SQL error has occurred.");
 850                 break;
 851         }
 852
 853         if ($error === null) {
 854             $error = $this->getErrorMessageFromCode($code);
 855         }
 856
 857         return $error;
 858     }
 859 }