phpfspot.class.php

   1 <?php
   2
   3 require_once "phpfspot_cfg.php";
   4 require_once "phpfspot_db.php";
   5 require_once "phpfspot_tmpl.php";
   6
   7 class PHPFSPOT {
   8
   9    var $cfg;
  10    var $db;
  11    var $cfg_db;
  12    var $tmpl;
  13    var $tags;
  14    var $avail_tags;
  15    var $current_tags;
  16
  17    public function __construct()
  18    {
  19       $this->cfg = new PHPFSPOT_CFG;
  20
  21       $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
  22
  23       $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
  24       $this->check_config_table();
  25
  26       $this->tmpl = new PHPFSPOT_TMPL($this);
  27
  28       $this->get_tags();
  29
  30       session_start();
  31
  32       if(!isset($_SESSION['tag_condition']))
  33          $_SESSION['tag_condition'] = 'or';
  34
  35       if(!isset($_SESSION['searchfor']))
  36          $_SESSION['searchfor'] = '';
  37
  38    } // __construct()
  39
  40    public function __destruct()
  41    {
  42
  43    } // __destruct()
  44
  45    public function show()
  46    {
  47       $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
  48       $this->tmpl->assign('page_title', $this->cfg->page_title);
  49       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
  50       $this->tmpl->show("index.tpl");
  51
  52    } // show()
  53
  54    private function get_tags()
  55    {
  56       $this->avail_tags = Array();
  57       $count = 0;
  58
  59       $result = $this->db->db_query("
  60          SELECT id,name
  61          FROM tags
  62          ORDER BY sort_priority ASC
  63       ");
  64
  65       while($row = $this->db->db_fetch_object($result)) {
  66
  67          $tag_id = $row['id'];
  68          $tag_name = $row['name'];
  69
  70          /* check if config requests to ignore this tag */
  71          if(in_array($row['name'], $this->cfg->hide_tags))
  72             continue;
  73
  74          $this->tags[$tag_id] = $tag_name;
  75          $this->avail_tags[$count] = $tag_id;
  76
  77          $count++;
  78
  79       }
  80
  81    } // get_tags()
  82
  83    public function get_photo_details($idx)
  84    {
  85       $result = $this->db->db_query("
  86          SELECT *
  87          FROM photos
  88          WHERE id='". $idx ."'
  89       ");
  90
  91       return $this->db->db_fetch_object($result);
  92
  93    } // get_photo_details
  94
  95    public function translate_path($path, $width = 0)
  96    {
  97       return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
  98
  99    } // translate_path
 100
 101    public function showPhoto($photo)
 102    {
 103       $all_photos = $this->getPhotoSelection();
 104
 105       foreach($all_photos as $all_photo) {
 106
 107          if($get_next) {
 108             $next_img = $all_photo;
 109             break;
 110          }
 111
 112          if($all_photo == $photo) {
 113             $get_next = 1;
 114          }
 115          else {
 116             $previous_img = $all_photo;
 117          }
 118       }
 119
 120
 121       $details = $this->get_photo_details($photo);
 122       $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
 123       $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
 124
 125       $this->tmpl->assign('width', $info[0]);
 126       $this->tmpl->assign('height', $info[1]);
 127       $this->tmpl->assign('c_date', $meta['DateTime']);
 128       $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
 129       $this->tmpl->assign('image_name', $details['name']);
 130       $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
 131       $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
 132
 133       if($previous_img) {
 134          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
 135       }
 136
 137       if($next_img) {
 138          $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
 139       }
 140
 141       $this->tmpl->show("single_photo.tpl");
 142
 143    } // showPhoto()
 144
 145    public function getAvailableTags()
 146    {
 147       foreach($this->avail_tags as $tag)
 148       {
 149          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
 150             continue;
 151
 152          // return all available (= not selected) tags
 153          print "<a href=\"javascript:Tags('add', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>&nbsp;";
 154
 155       }
 156
 157    } // getAvailableTags()
 158
 159    public function getSelectedTags()
 160    {
 161       foreach($this->avail_tags as $tag)
 162       {
 163          // return all selected tags
 164          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
 165             print "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>&nbsp;";
 166          }
 167
 168       }
 169
 170    } // getSelectedTags()
 171
 172    public function addTag($tag)
 173    {
 174       if(!isset($_SESSION['selected_tags']))
 175          $_SESSION['selected_tags'] = Array();
 176
 177       array_push($_SESSION['selected_tags'], $tag);
 178
 179    } // addTag()
 180
 181    public function delTag($tag)
 182    {
 183       if(isset($_SESSION['selected_tags'])) {
 184          $key = array_search($tag, $_SESSION['selected_tags']);
 185          unset($_SESSION['selected_tags'][$key]);
 186          sort($_SESSION['selected_tags']);
 187       }
 188
 189    } // delTag()
 190
 191    public function resetTags()
 192    {
 193       unset($_SESSION['selected_tags']);
 194
 195    } // resetTags()
 196
 197    public function getPhotoSelection()
 198    {
 199       $tagged_photos = Array();
 200
 201       /* return a search result */
 202       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
 203          $result = $this->db->db_query("
 204             SELECT DISTINCT photo_id
 205                FROM photo_tags pt
 206             INNER JOIN photos p
 207                ON p.id=pt.photo_id
 208             INNER JOIN tags t
 209                ON pt.tag_id=t.id
 210             WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
 211                ORDER BY p.time ASC
 212          ");
 213          while($row = $this->db->db_fetch_object($result)) {
 214             array_push($tagged_photos, $row['photo_id']);
 215          }
 216          return $tagged_photos;
 217       }
 218
 219       /* return according the selected tags */
 220       if(isset($_SESSION['selected_tags'])) {
 221          $selected = "";
 222          foreach($_SESSION['selected_tags'] as $tag)
 223             $selected.= $tag .",";
 224          $selected = substr($selected, 0, strlen($selected)-1);
 225
 226          if($_SESSION['tag_condition'] == 'or') {
 227             $result = $this->db->db_query("
 228                SELECT DISTINCT photo_id
 229                   FROM photo_tags pt
 230                INNER JOIN photos p
 231                   ON p.id=pt.photo_id
 232                WHERE pt.tag_id IN (". $selected .")
 233                ORDER BY p.time ASC
 234             ");
 235             while($row = $this->db->db_fetch_object($result)) {
 236                array_push($tagged_photos, $row['photo_id']);
 237             }
 238          }
 239          elseif($_SESSION['tag_condition'] == 'and') {
 240             $result = $this->db->db_query("
 241                SELECT DISTINCT photo_id, tag_id
 242                   FROM photo_tags pt
 243                INNER JOIN photos p
 244                   on p.id=pt.photo_id
 245                WHERE pt.tag_id IN (". $selected .")
 246                ORDER BY p.time ASC
 247             ");
 248
 249             /* now we need to check if each object fulfills the condition
 250                and has all the selected tags assigned
 251             */
 252             $match_object = Array();
 253             $matches_needed = count($_SESSION['selected_tags']);
 254             while($row = $this->db->db_fetch_object($result)) {
 255                /* set the counter for this object */
 256                if(!isset($match_object[$row['photo_id']]))
 257                   $match_object[$row['photo_id']] = $matches_needed;
 258
 259                /* we have a match? decrement the counter */
 260                if(in_array($row['tag_id'], $_SESSION['selected_tags']))
 261                   $match_object[$row['photo_id']]--;
 262
 263                /* if the object has all necessary tags, add it to the result */
 264                if($match_object[$row['photo_id']] == 0)
 265                   array_push($tagged_photos, $row['photo_id']);
 266             }
 267          }
 268          return $tagged_photos;
 269       }
 270
 271       /* return all available photos */
 272       $result = $this->db->db_query("
 273          SELECT DISTINCT photo_id
 274             FROM photo_tags pt
 275          INNER JOIN photos p
 276             ON p.id=pt.photo_id
 277          ORDER BY p.time ASC
 278       ");
 279       while($row = $this->db->db_fetch_object($result)) {
 280          array_push($tagged_photos, $row['photo_id']);
 281       }
 282       return $tagged_photos;
 283
 284    } // getPhotoSelection()
 285
 286    public function showPhotoIndex()
 287    {
 288       $photos = $this->getPhotoSelection();
 289
 290       $count = count($photos);
 291
 292       $rows = 0;
 293       $cols = 0;
 294       $images[$rows] = Array();
 295
 296       for($i = 0; $i < $count; $i++) {
 297
 298          $images[$rows][$cols] = $photos[$i];
 299
 300          if($cols == $this->cfg->thumbs_per_row-1) {
 301             $cols = 0;
 302             $rows++;
 303             $images[$rows] = Array();
 304          }
 305          else {
 306             $cols++;
 307          }
 308       }
 309
 310       // +1 for for smarty's selection iteration
 311       $rows++;
 312
 313       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
 314          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 315
 316       $this->tmpl->assign('count', $count);
 317       $this->tmpl->assign('width', $this->cfg->thumb_width);
 318       $this->tmpl->assign('images', $images);
 319       $this->tmpl->assign('rows', $rows);
 320       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 321       $this->tmpl->show("photo_index.tpl");
 322
 323
 324    } // showPhotoIndex()
 325
 326    public function showBubbleDetails($photo, $direction)
 327    {
 328       if($direction == "up")
 329          $direction = "bubbleimg_up";
 330       else
 331          $direction = "bubbleimg_down";
 332
 333       $details = $this->get_photo_details($photo);
 334
 335       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 336
 337       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 338       $filesize = rand($filesize/1024, 2);
 339
 340       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 341
 342       $this->tmpl->assign('file_size', $filesize);
 343       $this->tmpl->assign('width', $img[0]);
 344       $this->tmpl->assign('height', $img[1]);
 345       $this->tmpl->assign('file_name', $details['name']);
 346       $this->tmpl->assign('image_id', $direction);
 347       $this->tmpl->assign('image_url', $image_url);
 348       $this->tmpl->show("bubble_details.tpl");
 349
 350    } // showBubbleDetails()
 351
 352    public function showCredits()
 353    {
 354       $this->tmpl->assign('version', $this->cfg->version);
 355       $this->tmpl->assign('product', $this->cfg->product);
 356       $this->tmpl->show("credits.tpl");
 357
 358    } // showCredits()
 359
 360    public function create_thumbnail($image, $width)
 361    {
 362       // if thumbnail already exists, don't recreate it
 363       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 364          return;
 365
 366       $meta = $this->get_meta_informations($image);
 367
 368       $rotate = 0;
 369       $flip = false;
 370
 371       switch($meta['Orientation']) {
 372
 373          case 1:
 374             $rotate = 0;
 375             $flip = false;
 376             break;
 377
 378          case 2:
 379             $rotate = 0;
 380             $flip = true;
 381             break;
 382
 383          case 3:
 384             $rotate = 180;
 385             $flip = false;
 386             break;
 387
 388          case 4:
 389             $rotate = 180;
 390             $flip = true;
 391             break;
 392
 393          case 5:
 394             $rotate = 90;
 395             $flip = true;
 396             break;
 397
 398          case 6:
 399             $rotate = 90;
 400             $flip = false;
 401             break;
 402
 403          case 7:
 404             $rotate = 270;
 405             $flip = true;
 406             break;
 407
 408          case 8:
 409             $rotate = 270;
 410             $flip = false;
 411             break;
 412       }
 413
 414       $src_img = @imagecreatefromjpeg($image);
 415
 416       if($src_img)
 417       {
 418          /* grabs the height and width */
 419          $new_w = imagesx($src_img);
 420          $new_h = imagesy($src_img);
 421
 422          // If requested width is more then the actual image width,
 423          // do not generate a thumbnail
 424
 425          if($width >= $new_w) {
 426             imagedestroy($src_img);
 427             return;
 428          }
 429
 430          /* calculates aspect ratio */
 431          $aspect_ratio = $new_h / $new_w;
 432
 433          /* sets new size */
 434          $new_w = $width;
 435          $new_h = abs($new_w * $aspect_ratio);
 436
 437          /* creates new image of that size */
 438          $dst_img = imagecreatetruecolor($new_w,$new_h);
 439
 440          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 441
 442          /* copies resized portion of original image into new image */
 443          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 444
 445          /* needs the image to be flipped horizontal? */
 446          if($flip) {
 447             print "(FLIP)";
 448             $image = $dst_img;
 449             for($x = 0; $x < $new_w; $x++) {
 450                imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
 451             }
 452          }
 453
 454          if($rotate) {
 455             print "(ROTATE)";
 456             $dst_img = $this->rotateImage($dst_img, $rotate);
 457          }
 458
 459          /* write down new generated file */
 460
 461          if(!file_exists(dirname($image) ."/thumbs"))
 462             mkdir(dirname($image) ."/thumbs");
 463
 464          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 465          imagejpeg($dst_img, $newfile, 75);
 466
 467          /* free your mind */
 468          imagedestroy($dst_img);
 469          imagedestroy($src_img);
 470       }
 471
 472    } // create_thumbnail()
 473
 474    public function get_meta_informations($file)
 475    {
 476       return exif_read_data($file);
 477
 478    } // get_meta_informations()
 479
 480    public function check_config_table()
 481    {
 482       // if the config table doesn't exist yet, create it
 483       if(!$this->cfg_db->db_check_table_exists("images")) {
 484          $this->cfg_db->db_exec("
 485             CREATE TABLE images (
 486                img_idx int primary key,
 487                img_md5 varchar(32)
 488             )
 489             ");
 490       }
 491
 492    } // check_config_table
 493
 494    public function gen_thumbs($idx = 0, $fromcmd = 0)
 495    {
 496       if(!$idx) {
 497          /* get all available photos */
 498          $all = $this->getPhotoSelection();
 499       }
 500       else
 501          $all = Array($idx);
 502
 503       foreach($all as $photo) {
 504
 505          $details = $this->get_photo_details($photo);
 506
 507          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 508          $file_md5 = md5_file($full_path);
 509
 510          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 511
 512          /* if the file hasn't changed there is no need to regen the thumb */
 513          if($file_md5 == $this->getMD5($photo)) {
 514             if($fromcmd) print " file has not changed - skipping\n";
 515             continue;
 516          }
 517
 518          /* set the new/changed MD5 sum for the current photo */
 519          $this->setMD5($photo, $file_md5);
 520
 521          $resolutions = Array(
 522                            $this->cfg->thumb_width,
 523                            $this->cfg->bubble_width,
 524                            $this->cfg->photo_width
 525                         );
 526
 527          /* create thumbnails for the requested resolutions */
 528          foreach($resolutions as $resolution) {
 529             if($fromcmd) print " ". $resolution ."px";
 530             $this->create_thumbnail($full_path, $resolution);
 531          }
 532
 533          if($fromcmd) print "\n";
 534
 535       }
 536
 537    } // gen_thumbs()
 538
 539    private function getMD5($idx)
 540    {
 541       $result = $this->cfg_db->db_query("
 542          SELECT img_md5
 543          FROM images
 544          WHERE img_idx='". $idx ."'
 545       ");
 546
 547       if(!$result)
 548          return 0;
 549
 550       $img = $this->cfg_db->db_fetch_object($result);
 551       return $img['img_md5'];
 552
 553    } // getMD5()
 554
 555    private function setMD5($idx, $md5)
 556    {
 557       $result = $this->cfg_db->db_exec("
 558          REPLACE INTO images (img_idx, img_md5)
 559          VALUES ('". $idx ."', '". $md5 ."')
 560       ");
 561
 562    } // setMD5()
 563
 564    public function setTagCondition($mode)
 565    {
 566       $_SESSION['tag_condition'] = $mode;
 567
 568    } // setTagCondition()
 569
 570    public function startSearch($searchfor)
 571    {
 572       $_SESSION['searchfor'] = $searchfor;
 573
 574    } // startSearch()
 575
 576    private function rotateImage($img, $degrees)
 577    {
 578       if(function_exists("imagerotate"))
 579          $img = imagerotate($img, $degrees, 0);
 580       else
 581       {
 582          function imagerotate($src_img, $angle)
 583          {
 584             $src_x = imagesx($src_img);
 585             $src_y = imagesy($src_img);
 586             if ($angle == 180) {
 587                $dest_x = $src_x;
 588                $dest_y = $src_y;
 589             }
 590             elseif ($src_x <= $src_y) {
 591                $dest_x = $src_y;
 592                $dest_y = $src_x;
 593             }
 594             elseif ($src_x >= $src_y) {
 595                $dest_x = $src_y;
 596                $dest_y = $src_x;
 597             }
 598
 599             $rotate=imagecreatetruecolor($dest_x,$dest_y);
 600             imagealphablending($rotate, false);
 601
 602             switch ($angle) {
 603
 604                case 90:
 605                   for ($y = 0; $y < ($src_y); $y++) {
 606                      for ($x = 0; $x < ($src_x); $x++) {
 607                         $color = imagecolorat($src_img, $x, $y);
 608                         imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
 609                      }
 610                   }
 611                   break;
 612
 613                case 270:
 614                   for ($y = 0; $y < ($src_y); $y++) {
 615                      for ($x = 0; $x < ($src_x); $x++) {
 616                         $color = imagecolorat($src_img, $x, $y);
 617                         imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
 618                      }
 619                   }
 620                   break;
 621
 622                case 180:
 623                   for ($y = 0; $y < ($src_y); $y++) {
 624                      for ($x = 0; $x < ($src_x); $x++) {
 625                         $color = imagecolorat($src_img, $x, $y);
 626                         imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
 627                      }
 628                   }
 629                   break;
 630
 631                default: $rotate = $src_img;
 632             };
 633
 634             return $rotate;
 635
 636          }
 637
 638          $img = imagerotate($img, $degrees);
 639
 640       }
 641
 642       return $img;
 643
 644    } // rotateImage()
 645
 646 }
 647
 648 ?>