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    } // __construct()
  36
  37    public function __destruct()
  38    {
  39
  40    } // __destruct()
  41
  42    public function show()
  43    {
  44       $this->tmpl->assign('page_title', $this->cfg->page_title);
  45       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
  46       $this->tmpl->show("index.tpl");
  47
  48    } // show()
  49
  50    private function get_tags()
  51    {
  52       $this->avail_tags = Array();
  53       $count = 0;
  54
  55       $result = $this->db->db_query("
  56          SELECT id,name
  57          FROM tags
  58          ORDER BY sort_priority ASC
  59       ");
  60
  61       while($row = $this->db->db_fetch_object($result)) {
  62
  63          $tag_id = $row['id'];
  64          $tag_name = $row['name'];
  65
  66          /* check if config requests to ignore this tag */
  67          if(in_array($row['name'], $this->cfg->hide_tags))
  68             continue;
  69
  70          $this->tags[$tag_id] = $tag_name;
  71          $this->avail_tags[$count] = $tag_id;
  72
  73          $count++;
  74
  75       }
  76
  77    } // get_tags()
  78
  79    public function get_photo_details($idx)
  80    {
  81       $result = $this->db->db_query("
  82          SELECT *
  83          FROM photos
  84          WHERE id='". $idx ."'
  85       ");
  86
  87       return $this->db->db_fetch_object($result);
  88
  89    } // get_photo_details
  90
  91    public function translate_path($path, $width = 0)
  92    {
  93       return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
  94
  95    } // translate_path
  96
  97    public function showPhoto($photo)
  98    {
  99       $all_photos = $this->getAllTagPhotos();
 100
 101       foreach($all_photos as $all_photo) {
 102
 103          if($get_next) {
 104             $next_img = $all_photo;
 105             break;
 106          }
 107
 108          if($all_photo == $photo) {
 109             $get_next = 1;
 110          }
 111          else {
 112             $previous_img = $all_photo;
 113          }
 114       }
 115
 116
 117       $details = $this->get_photo_details($photo);
 118       $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
 119       $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
 120
 121       $this->tmpl->assign('width', $info[0]);
 122       $this->tmpl->assign('height', $info[1]);
 123       $this->tmpl->assign('c_date', $meta['DateTime']);
 124       $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
 125       $this->tmpl->assign('image_name', $details['name']);
 126       $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
 127       $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
 128
 129       if($previous_img) {
 130          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
 131       }
 132
 133       if($next_img) {
 134          $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
 135       }
 136
 137       $this->tmpl->show("single_photo.tpl");
 138
 139    } // showPhoto()
 140
 141    public function getAvailableTags()
 142    {
 143       foreach($this->avail_tags as $tag)
 144       {
 145          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
 146             continue;
 147
 148          // return all available (= not selected) tags
 149          print "<a href=\"javascript:Tags('add', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
 150
 151       }
 152
 153    } // getAvailableTags()
 154
 155    public function getSelectedTags()
 156    {
 157       foreach($this->avail_tags as $tag)
 158       {
 159          // return all selected tags
 160          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
 161             print "<a href=\"javascript:Tags('del', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
 162          }
 163
 164       }
 165
 166    } // getSelectedTags()
 167
 168    public function addTag($tag)
 169    {
 170       if(!isset($_SESSION['selected_tags']))
 171          $_SESSION['selected_tags'] = Array();
 172
 173       array_push($_SESSION['selected_tags'], $tag);
 174
 175    } // addTag()
 176
 177    public function delTag($tag)
 178    {
 179       if(isset($_SESSION['selected_tags'])) {
 180          $key = array_search($tag, $_SESSION['selected_tags']);
 181          unset($_SESSION['selected_tags'][$key]);
 182       }
 183
 184    } // delTag()
 185
 186    public function resetTags()
 187    {
 188       unset($_SESSION['selected_tags']);
 189
 190    } // resetTags()
 191
 192    public function getAllTagPhotos()
 193    {
 194       $tagged_photos = Array();
 195
 196       if(isset($_SESSION['selected_tags'])) {
 197          $selected = "";
 198          foreach($_SESSION['selected_tags'] as $tag)
 199             $selected.= $tag .",";
 200          $selected = substr($selected, 0, strlen($selected)-1);
 201
 202          if($_SESSION['tag_condition'] == 'or') {
 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                WHERE pt.tag_id IN (". $selected .")
 209                ORDER BY p.time ASC
 210             ");
 211             while($row = $this->db->db_fetch_object($result)) {
 212                array_push($tagged_photos, $row['photo_id']);
 213             }
 214          }
 215          elseif($_SESSION['tag_condition'] == 'and') {
 216             $result = $this->db->db_query("
 217                SELECT DISTINCT photo_id, tag_id
 218                   FROM photo_tags pt
 219                INNER JOIN photos p
 220                   on p.id=pt.photo_id
 221                WHERE pt.tag_id IN (". $selected .")
 222                ORDER BY p.time ASC
 223             ");
 224
 225             /* now we need to check if each object fulfills the condition
 226                and has all the selected tags assigned
 227             */
 228             $match_object = Array();
 229             $matches_needed = count($_SESSION['selected_tags']);
 230             while($row = $this->db->db_fetch_object($result)) {
 231                /* set the counter for this object */
 232                if(!isset($match_object[$row['photo_id']]))
 233                   $match_object[$row['photo_id']] = $matches_needed;
 234
 235                /* we have a match? decrement the counter */
 236                if(in_array($row['tag_id'], $_SESSION['selected_tags']))
 237                   $match_object[$row['photo_id']]--;
 238
 239                /* if the object has all necessary tags, add it to the result */
 240                if($match_object[$row['photo_id']] == 0)
 241                   array_push($tagged_photos, $row['photo_id']);
 242             }
 243          }
 244       }
 245       else {
 246          $result = $this->db->db_query("
 247             SELECT DISTINCT photo_id
 248                FROM photo_tags pt
 249             INNER JOIN photos p
 250                ON p.id=pt.photo_id
 251             ORDER BY p.time ASC
 252          ");
 253          while($row = $this->db->db_fetch_object($result)) {
 254             array_push($tagged_photos, $row['photo_id']);
 255          }
 256       }
 257
 258       return $tagged_photos;
 259
 260    } // getAllTagPhotos()
 261
 262    public function showPhotoIndex()
 263    {
 264       $photos = $this->getAllTagPhotos();
 265       $count = count($photos);
 266
 267       $rows = 0;
 268       $cols = 0;
 269       $images[$rows] = Array();
 270
 271       for($i = 0; $i < $count; $i++) {
 272
 273          $images[$rows][$cols] = $photos[$i];
 274
 275          if($cols == $this->cfg->thumbs_per_row-1) {
 276             $cols = 0;
 277             $rows++;
 278             $images[$rows] = Array();
 279          }
 280          else {
 281             $cols++;
 282          }
 283       }
 284
 285       // +1 for for smarty's selection iteration
 286       $rows++;
 287
 288          //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->thumb_width ."\" /><br />\n";
 289
 290       $this->tmpl->assign('count', $count);
 291       $this->tmpl->assign('width', $this->cfg->thumb_width);
 292       $this->tmpl->assign('images', $images);
 293       $this->tmpl->assign('rows', $rows);
 294       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 295       $this->tmpl->show("photo_index.tpl");
 296
 297
 298    } // showPhotoIndex()
 299
 300    public function showBubbleDetails($photo, $direction)
 301    {
 302       if($direction == "up")
 303          $direction = "bubbleimg_up";
 304       else
 305          $direction = "bubbleimg_down";
 306
 307       $details = $this->get_photo_details($photo);
 308
 309       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 310
 311       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 312       $filesize = rand($filesize/1024, 2);
 313
 314       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 315
 316       $this->tmpl->assign('file_size', $filesize);
 317       $this->tmpl->assign('width', $img[0]);
 318       $this->tmpl->assign('height', $img[1]);
 319       $this->tmpl->assign('file_name', $details['name']);
 320       $this->tmpl->assign('image_id', $direction);
 321       $this->tmpl->assign('image_url', $image_url);
 322       $this->tmpl->show("bubble_details.tpl");
 323
 324    } // showBubbleDetails()
 325
 326    public function showCredits()
 327    {
 328       $this->tmpl->assign('version', $this->cfg->version);
 329       $this->tmpl->assign('product', $this->cfg->product);
 330       $this->tmpl->show("credits.tpl");
 331
 332    } // showCredits()
 333
 334    public function create_thumbnail($image, $width)
 335    {
 336       // if thumbnail already exists, don't recreate it
 337       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 338          return;
 339
 340       $src_img = @imagecreatefromjpeg($image);
 341
 342       if($src_img)
 343       {
 344          /* grabs the height and width */
 345          $new_w = imagesx($src_img);
 346          $new_h = imagesy($src_img);
 347
 348          // If requested width is more then the actual image width,
 349          // do not generate a thumbnail
 350
 351          if($width >= $new_w) {
 352             imagedestroy($src_img);
 353             return;
 354          }
 355
 356          /* calculates aspect ratio */
 357          $aspect_ratio = $new_h / $new_w;
 358
 359          /* sets new size */
 360          $new_w = $width;
 361          $new_h = abs($new_w * $aspect_ratio);
 362
 363          /* creates new image of that size */
 364          $dst_img = imagecreatetruecolor($new_w,$new_h);
 365
 366          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 367
 368          /* copies resized portion of original image into new image */
 369          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 370
 371          /* write down new generated file */
 372
 373          if(!file_exists(dirname($image) ."/thumbs"))
 374             mkdir(dirname($image) ."/thumbs");
 375
 376          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 377          imagejpeg($dst_img, $newfile, 75);
 378
 379          /* free your mind */
 380          imagedestroy($dst_img);
 381          imagedestroy($src_img);
 382       }
 383
 384    } // create_thumbnail()
 385
 386    public function get_meta_informations($file)
 387    {
 388
 389       return exif_read_data($file);
 390
 391    } // get_meta_informations()
 392
 393    public function check_config_table()
 394    {
 395       // if the config table doesn't exist yet, create it
 396       if(!$this->cfg_db->db_check_table_exists("images")) {
 397          $this->cfg_db->db_exec("
 398             CREATE TABLE images (
 399                img_idx int primary key,
 400                img_md5 varchar(32)
 401             )
 402             ");
 403       }
 404
 405    } // check_config_table
 406
 407    public function gen_thumbs($idx = 0, $fromcmd = 0)
 408    {
 409       if(!$idx) {
 410          /* get all available photos */
 411          $all = $this->getAllTagPhotos();
 412       }
 413       else
 414          $all = Array($idx);
 415
 416       foreach($all as $photo) {
 417
 418          $details = $this->get_photo_details($photo);
 419
 420          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 421          $file_md5 = md5_file($full_path);
 422
 423          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 424
 425          /* if the file hasn't changed there is no need to regen the thumb */
 426          if($file_md5 == $this->getMD5($photo)) {
 427             if($fromcmd) print " file has not changed - skipping\n";
 428             continue;
 429          }
 430
 431          /* set the new/changed MD5 sum for the current photo */
 432          $this->setMD5($photo, $file_md5);
 433
 434          $resolutions = Array(
 435                            $this->cfg->thumb_width,
 436                            $this->cfg->bubble_width,
 437                            $this->cfg->photo_width
 438                         );
 439
 440          /* create thumbnails for the requested resolutions */
 441          foreach($resolutions as $resolution) {
 442             if($fromcmd) print " ". $resolution ."px";
 443             $this->create_thumbnail($full_path, $resolution);
 444          }
 445
 446          if($fromcmd) print "\n";
 447
 448       }
 449
 450    } // gen_thumbs()
 451
 452    private function getMD5($idx)
 453    {
 454       $result = $this->cfg_db->db_query("
 455          SELECT img_md5
 456          FROM images
 457          WHERE img_idx='". $idx ."'
 458       ");
 459
 460       if(!$result)
 461          return 0;
 462
 463       $img = $this->cfg_db->db_fetch_object($result);
 464       return $img['img_md5'];
 465
 466    } // getMD5()
 467
 468    private function setMD5($idx, $md5)
 469    {
 470       $result = $this->cfg_db->db_exec("
 471          REPLACE INTO images (img_idx, img_md5)
 472          VALUES ('". $idx ."', '". $md5 ."')
 473       ");
 474
 475    } // setMD5()
 476
 477    public function setTagCondition($mode)
 478    {
 479       $_SESSION['tag_condition'] = $mode;
 480
 481    } // setTagCondition()
 482
 483 }
 484
 485 ?>