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 .");\">". $this->tags[$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 .");\">". $this->tags[$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'][$key]);
 186       }
 187
 188    } // delTag()
 189
 190    public function resetTags()
 191    {
 192       unset($_SESSION['selected_tags']);
 193
 194    } // resetTags()
 195
 196    public function getPhotoSelection()
 197    {
 198       $tagged_photos = Array();
 199
 200       if(isset($_SESSION['selected_tags'])) {
 201          $selected = "";
 202          foreach($_SESSION['selected_tags'] as $tag)
 203             $selected.= $tag .",";
 204          $selected = substr($selected, 0, strlen($selected)-1);
 205
 206          if($_SESSION['tag_condition'] == 'or') {
 207             $result = $this->db->db_query("
 208                SELECT DISTINCT photo_id
 209                   FROM photo_tags pt
 210                INNER JOIN photos p
 211                   ON p.id=pt.photo_id
 212                WHERE pt.tag_id IN (". $selected .")
 213                ORDER BY p.time ASC
 214             ");
 215             while($row = $this->db->db_fetch_object($result)) {
 216                array_push($tagged_photos, $row['photo_id']);
 217             }
 218          }
 219          elseif($_SESSION['tag_condition'] == 'and') {
 220             $result = $this->db->db_query("
 221                SELECT DISTINCT photo_id, tag_id
 222                   FROM photo_tags pt
 223                INNER JOIN photos p
 224                   on p.id=pt.photo_id
 225                WHERE pt.tag_id IN (". $selected .")
 226                ORDER BY p.time ASC
 227             ");
 228
 229             /* now we need to check if each object fulfills the condition
 230                and has all the selected tags assigned
 231             */
 232             $match_object = Array();
 233             $matches_needed = count($_SESSION['selected_tags']);
 234             while($row = $this->db->db_fetch_object($result)) {
 235                /* set the counter for this object */
 236                if(!isset($match_object[$row['photo_id']]))
 237                   $match_object[$row['photo_id']] = $matches_needed;
 238
 239                /* we have a match? decrement the counter */
 240                if(in_array($row['tag_id'], $_SESSION['selected_tags']))
 241                   $match_object[$row['photo_id']]--;
 242
 243                /* if the object has all necessary tags, add it to the result */
 244                if($match_object[$row['photo_id']] == 0)
 245                   array_push($tagged_photos, $row['photo_id']);
 246             }
 247          }
 248       }
 249       else {
 250          $result = $this->db->db_query("
 251             SELECT DISTINCT photo_id
 252                FROM photo_tags pt
 253             INNER JOIN photos p
 254                ON p.id=pt.photo_id
 255             ORDER BY p.time ASC
 256          ");
 257          while($row = $this->db->db_fetch_object($result)) {
 258             array_push($tagged_photos, $row['photo_id']);
 259          }
 260       }
 261
 262       return $tagged_photos;
 263
 264    } // getPhotoSelection()
 265
 266    public function showPhotoIndex()
 267    {
 268       if($_SESSION['searchfor'] == '')
 269          $photos = $this->getPhotoSelection();
 270       else
 271          $photos = $this->getSearchResult($_SESSION['searchfor']);
 272
 273       $count = count($photos);
 274
 275       $rows = 0;
 276       $cols = 0;
 277       $images[$rows] = Array();
 278
 279       for($i = 0; $i < $count; $i++) {
 280
 281          $images[$rows][$cols] = $photos[$i];
 282
 283          if($cols == $this->cfg->thumbs_per_row-1) {
 284             $cols = 0;
 285             $rows++;
 286             $images[$rows] = Array();
 287          }
 288          else {
 289             $cols++;
 290          }
 291       }
 292
 293       // +1 for for smarty's selection iteration
 294       $rows++;
 295
 296          //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->thumb_width ."\" /><br />\n";
 297
 298       $this->tmpl->assign('count', $count);
 299       $this->tmpl->assign('width', $this->cfg->thumb_width);
 300       $this->tmpl->assign('images', $images);
 301       $this->tmpl->assign('rows', $rows);
 302       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 303       $this->tmpl->show("photo_index.tpl");
 304
 305
 306    } // showPhotoIndex()
 307
 308    public function showBubbleDetails($photo, $direction)
 309    {
 310       if($direction == "up")
 311          $direction = "bubbleimg_up";
 312       else
 313          $direction = "bubbleimg_down";
 314
 315       $details = $this->get_photo_details($photo);
 316
 317       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 318
 319       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 320       $filesize = rand($filesize/1024, 2);
 321
 322       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 323
 324       $this->tmpl->assign('file_size', $filesize);
 325       $this->tmpl->assign('width', $img[0]);
 326       $this->tmpl->assign('height', $img[1]);
 327       $this->tmpl->assign('file_name', $details['name']);
 328       $this->tmpl->assign('image_id', $direction);
 329       $this->tmpl->assign('image_url', $image_url);
 330       $this->tmpl->show("bubble_details.tpl");
 331
 332    } // showBubbleDetails()
 333
 334    public function showCredits()
 335    {
 336       $this->tmpl->assign('version', $this->cfg->version);
 337       $this->tmpl->assign('product', $this->cfg->product);
 338       $this->tmpl->show("credits.tpl");
 339
 340    } // showCredits()
 341
 342    public function create_thumbnail($image, $width)
 343    {
 344       // if thumbnail already exists, don't recreate it
 345       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 346          return;
 347
 348       $src_img = @imagecreatefromjpeg($image);
 349
 350       if($src_img)
 351       {
 352          /* grabs the height and width */
 353          $new_w = imagesx($src_img);
 354          $new_h = imagesy($src_img);
 355
 356          // If requested width is more then the actual image width,
 357          // do not generate a thumbnail
 358
 359          if($width >= $new_w) {
 360             imagedestroy($src_img);
 361             return;
 362          }
 363
 364          /* calculates aspect ratio */
 365          $aspect_ratio = $new_h / $new_w;
 366
 367          /* sets new size */
 368          $new_w = $width;
 369          $new_h = abs($new_w * $aspect_ratio);
 370
 371          /* creates new image of that size */
 372          $dst_img = imagecreatetruecolor($new_w,$new_h);
 373
 374          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 375
 376          /* copies resized portion of original image into new image */
 377          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 378
 379          /* write down new generated file */
 380
 381          if(!file_exists(dirname($image) ."/thumbs"))
 382             mkdir(dirname($image) ."/thumbs");
 383
 384          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 385          imagejpeg($dst_img, $newfile, 75);
 386
 387          /* free your mind */
 388          imagedestroy($dst_img);
 389          imagedestroy($src_img);
 390       }
 391
 392    } // create_thumbnail()
 393
 394    public function get_meta_informations($file)
 395    {
 396
 397       return exif_read_data($file);
 398
 399    } // get_meta_informations()
 400
 401    public function check_config_table()
 402    {
 403       // if the config table doesn't exist yet, create it
 404       if(!$this->cfg_db->db_check_table_exists("images")) {
 405          $this->cfg_db->db_exec("
 406             CREATE TABLE images (
 407                img_idx int primary key,
 408                img_md5 varchar(32)
 409             )
 410             ");
 411       }
 412
 413    } // check_config_table
 414
 415    public function gen_thumbs($idx = 0, $fromcmd = 0)
 416    {
 417       if(!$idx) {
 418          /* get all available photos */
 419          $all = $this->getPhotoSelection();
 420       }
 421       else
 422          $all = Array($idx);
 423
 424       foreach($all as $photo) {
 425
 426          $details = $this->get_photo_details($photo);
 427
 428          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 429          $file_md5 = md5_file($full_path);
 430
 431          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 432
 433          /* if the file hasn't changed there is no need to regen the thumb */
 434          if($file_md5 == $this->getMD5($photo)) {
 435             if($fromcmd) print " file has not changed - skipping\n";
 436             continue;
 437          }
 438
 439          /* set the new/changed MD5 sum for the current photo */
 440          $this->setMD5($photo, $file_md5);
 441
 442          $resolutions = Array(
 443                            $this->cfg->thumb_width,
 444                            $this->cfg->bubble_width,
 445                            $this->cfg->photo_width
 446                         );
 447
 448          /* create thumbnails for the requested resolutions */
 449          foreach($resolutions as $resolution) {
 450             if($fromcmd) print " ". $resolution ."px";
 451             $this->create_thumbnail($full_path, $resolution);
 452          }
 453
 454          if($fromcmd) print "\n";
 455
 456       }
 457
 458    } // gen_thumbs()
 459
 460    private function getMD5($idx)
 461    {
 462       $result = $this->cfg_db->db_query("
 463          SELECT img_md5
 464          FROM images
 465          WHERE img_idx='". $idx ."'
 466       ");
 467
 468       if(!$result)
 469          return 0;
 470
 471       $img = $this->cfg_db->db_fetch_object($result);
 472       return $img['img_md5'];
 473
 474    } // getMD5()
 475
 476    private function setMD5($idx, $md5)
 477    {
 478       $result = $this->cfg_db->db_exec("
 479          REPLACE INTO images (img_idx, img_md5)
 480          VALUES ('". $idx ."', '". $md5 ."')
 481       ");
 482
 483    } // setMD5()
 484
 485    public function setTagCondition($mode)
 486    {
 487       $_SESSION['tag_condition'] = $mode;
 488
 489    } // setTagCondition()
 490
 491    public function startSearch($searchfor)
 492    {
 493       $_SESSION['searchfor'] = $searchfor;
 494
 495    } // showSearchResult()
 496
 497    public function getSearchResult($for)
 498    {
 499       $tagged_photos = Array();
 500
 501       $result = $this->db->db_query("
 502          SELECT DISTINCT photo_id
 503             FROM photo_tags pt
 504          INNER JOIN photos p
 505             ON p.id=pt.photo_id
 506          INNER JOIN tags t
 507             ON pt.tag_id=t.id
 508          WHERE t.name LIKE '%". $for ."%'
 509             ORDER BY p.time ASC
 510       ");
 511
 512       while($row = $this->db->db_fetch_object($result)) {
 513          array_push($tagged_photos, $row['photo_id']);
 514       }
 515
 516       return $tagged_photos;
 517
 518    } // getSearchResult()
 519
 520 }
 521
 522 ?>