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    } // __construct()
  31
  32    public function __destruct()
  33    {
  34
  35    } // __destruct()
  36
  37    public function show()
  38    {
  39       $this->tmpl->assign('page_title', $this->cfg->page_title);
  40       $this->tmpl->show("index.tpl");
  41
  42    } // show()
  43
  44    private function get_tags()
  45    {
  46       $this->avail_tags = Array();
  47       $count = 0;
  48
  49       $result = $this->db->db_query("
  50          SELECT id,name
  51          FROM tags
  52          ORDER BY sort_priority ASC
  53       ");
  54
  55       while($row = $this->db->db_fetch_object($result)) {
  56
  57          $tag_id = $row['id'];
  58          $tag_name = $row['name'];
  59
  60          $this->tags[$tag_id] = $tag_name;
  61          $this->avail_tags[$count] = $tag_id;
  62
  63          $count++;
  64
  65       }
  66
  67    } // get_tags()
  68
  69    public function get_photo_details($idx)
  70    {
  71       $result = $this->db->db_query("
  72          SELECT *
  73          FROM photos
  74          WHERE id='". $idx ."'
  75       ");
  76
  77       return $this->db->db_fetch_object($result);
  78
  79    } // get_photo_details
  80
  81    public function translate_path($path, $width = 0)
  82    {
  83       return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
  84
  85    } // translate_path
  86
  87    public function showPhoto($photo)
  88    {
  89       $all_photos = $this->getAllTagPhotos();
  90
  91       foreach($all_photos as $all_photo) {
  92
  93          if($get_next) {
  94             $next_img = $all_photo;
  95             break;
  96          }
  97
  98          if($all_photo == $photo) {
  99             $get_next = 1;
 100          }
 101          else {
 102             $previous_img = $all_photo;
 103          }
 104       }
 105
 106
 107       $details = $this->get_photo_details($photo);
 108       $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
 109       $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
 110
 111       $this->tmpl->assign('width', $info[0]);
 112       $this->tmpl->assign('height', $info[1]);
 113       $this->tmpl->assign('c_date', $meta['DateTime']);
 114       $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
 115       $this->tmpl->assign('image_name', $details['name']);
 116       $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
 117       $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
 118
 119       if($previous_img) {
 120          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
 121       }
 122
 123       if($next_img) {
 124          $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
 125       }
 126
 127       $this->tmpl->show("single_photo.tpl");
 128
 129    } // showPhoto()
 130
 131    public function getAvailableTags()
 132    {
 133       foreach($this->avail_tags as $tag)
 134       {
 135          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
 136             continue;
 137
 138          // return all available (= not selected) tags
 139          print "<a href=\"javascript:Tags('add', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
 140
 141       }
 142
 143    } // getAvailableTags()
 144
 145    public function getSelectedTags()
 146    {
 147       foreach($this->avail_tags as $tag)
 148       {
 149          // return all selected tags
 150          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
 151             print "<a href=\"javascript:Tags('del', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
 152          }
 153
 154       }
 155
 156    } // getSelectedTags()
 157
 158    public function addTag($tag)
 159    {
 160       if(!isset($_SESSION['selected_tags']))
 161          $_SESSION['selected_tags'] = Array();
 162
 163       array_push($_SESSION['selected_tags'], $tag);
 164
 165    } // addTag()
 166
 167    public function delTag($tag)
 168    {
 169       if(isset($_SESSION['selected_tags'])) {
 170          $key = array_search($tag, $_SESSION['selected_tags']);
 171          unset($_SESSION['selected_tags'][$key]);
 172       }
 173
 174    } // delTag()
 175
 176    public function resetTags()
 177    {
 178       unset($_SESSION['selected_tags']);
 179
 180    } // resetTags()
 181
 182    public function getAllTagPhotos()
 183    {
 184       $tagged_photos = Array();
 185
 186       if(isset($_SESSION['selected_tags'])) {
 187          $selected = "";
 188          foreach($_SESSION['selected_tags'] as $tag)
 189             $selected.= $tag .",";
 190          $selected = substr($selected, 0, strlen($selected)-1);
 191          $result = $this->db->db_query("
 192             SELECT DISTINCT photo_id
 193                FROM photo_tags pt
 194             INNER JOIN photos p
 195                ON p.id=pt.photo_id
 196             WHERE pt.tag_id IN (". $selected .")
 197             ORDER BY p.time ASC
 198          ");
 199       }
 200       else {
 201          $result = $this->db->db_query("
 202             SELECT DISTINCT photo_id
 203                FROM photo_tags pt
 204             INNER JOIN photos p
 205                ON p.id=pt.photo_id
 206             ORDER BY p.time ASC
 207          ");
 208       }
 209
 210       while($row = $this->db->db_fetch_object($result)) {
 211          array_push($tagged_photos, $row['photo_id']);
 212       }
 213
 214       return $tagged_photos;
 215
 216    } // getAllTagPhotos()
 217
 218    public function showPhotoIndex()
 219    {
 220       $photos = $this->getAllTagPhotos();
 221       $count = count($photos);
 222
 223       $rows = 0;
 224       $cols = 0;
 225       $images[$rows] = Array();
 226
 227       for($i = 0; $i < $count; $i++) {
 228
 229          $images[$rows][$cols] = $photos[$i];
 230
 231          if($cols == $this->cfg->thumbs_per_row-1) {
 232             $cols = 0;
 233             $rows++;
 234             $images[$rows] = Array();
 235          }
 236          else {
 237             $cols++;
 238          }
 239       }
 240
 241       // +1 for for smarty's selection iteration
 242       $rows++;
 243
 244          //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->thumb_width ."\" /><br />\n";
 245
 246       $this->tmpl->assign('count', $count);
 247       $this->tmpl->assign('width', $this->cfg->thumb_width);
 248       $this->tmpl->assign('images', $images);
 249       $this->tmpl->assign('rows', $rows);
 250       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 251       $this->tmpl->show("photo_index.tpl");
 252
 253
 254    } // showPhotoIndex()
 255
 256    public function showBubbleDetails($photo, $direction)
 257    {
 258       if($direction == "up")
 259          $direction = "bubbleimg_up";
 260       else
 261          $direction = "bubbleimg_down";
 262
 263       $details = $this->get_photo_details($photo);
 264
 265       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=200";
 266
 267       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 268       $filesize = rand($filesize/1024, 2);
 269
 270       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 271
 272       $this->tmpl->assign('file_size', $filesize);
 273       $this->tmpl->assign('width', $img[0]);
 274       $this->tmpl->assign('height', $img[1]);
 275       $this->tmpl->assign('file_name', $details['name']);
 276       $this->tmpl->assign('image_id', $direction);
 277       $this->tmpl->assign('image_url', $image_url);
 278       $this->tmpl->show("bubble_details.tpl");
 279
 280    } // showBubbleDetails()
 281
 282    public function showCredits()
 283    {
 284       $this->tmpl->assign('version', $this->cfg->version);
 285       $this->tmpl->assign('product', $this->cfg->product);
 286       $this->tmpl->show("credits.tpl");
 287
 288    } // showCredits()
 289
 290    public function resize_image($image, $width)
 291    {
 292       // if thumbnail already exists, don't recreate it
 293       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 294          return;
 295
 296       $src_img = @imagecreatefromjpeg($image);
 297
 298       if($src_img)
 299       {
 300          /* grabs the height and width */
 301          $new_w = imagesx($src_img);
 302          $new_h = imagesy($src_img);
 303
 304          // If requested width is more then the actual image width,
 305          // do not generate a thumbnail
 306
 307          if($width >= $new_w) {
 308             imagedestroy($src_img);
 309             return;
 310          }
 311
 312          /* calculates aspect ratio */
 313          $aspect_ratio = $new_h / $new_w;
 314
 315          /* sets new size */
 316          $new_w = $width;
 317          $new_h = abs($new_w * $aspect_ratio);
 318
 319          /* creates new image of that size */
 320          $dst_img = imagecreatetruecolor($new_w,$new_h);
 321
 322          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 323
 324          /* copies resized portion of original image into new image */
 325          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 326
 327          /* write down new generated file */
 328
 329          if(!file_exists(dirname($image) ."/thumbs"))
 330             mkdir(dirname($image) ."/thumbs");
 331
 332          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 333          imagejpeg($dst_img, $newfile, 75);
 334
 335          /* free your mind */
 336          imagedestroy($dst_img);
 337          imagedestroy($src_img);
 338       }
 339
 340    } // resize_image()
 341
 342    public function get_meta_informations($file)
 343    {
 344
 345       return exif_read_data($file);
 346
 347    } // get_meta_informations()
 348
 349    public function check_config_table()
 350    {
 351       // if the config table doesn't exist yet, create it
 352       if(!$this->cfg_db->db_check_table_exists("images")) {
 353          $this->cfg_db->db_exec("
 354             CREATE TABLE images (
 355                img_idx int primary key,
 356                img_md5 varchar(32)
 357             )
 358             ");
 359       }
 360
 361    } // check_config_table
 362
 363    public function gen_thumbs($fromcmd = 0)
 364    {
 365       /* get all available photos */
 366       $all = $this->getAllTagPhotos();
 367       foreach($all as $photo) {
 368
 369          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 370          $file_md5 = md5_file($full_path);
 371
 372          $details = $this->get_photo_details($photo);
 373          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 374
 375          /* if the file hasn't changed there is no need to regen the thumb */
 376          if($file_md5 == $this->getMD5($photo)) {
 377             if($fromcmd) print " file has not changed - skipping\n";
 378             continue;
 379          }
 380
 381          /* set the new/changed MD5 sum for the current photo */
 382          $this->setMD5($photo, $file_md5);
 383
 384          /* create thumbnails for the requested resolutions */
 385          foreach(Array($this->cfg->thumb_width, $this->cfg->photo_width) as $resolution) {
 386             if($fromcmd) print " ". $resolution ."px";
 387             $this->resize_image($full_path, $resolution);
 388          }
 389
 390          if($fromcmd) print "\n";
 391
 392       }
 393
 394    } // gen_thumbs()
 395
 396    private function getMD5($idx)
 397    {
 398       $result = $this->cfg_db->db_query("
 399          SELECT img_md5
 400          FROM images
 401          WHERE img_idx='". $idx ."'
 402       ");
 403
 404       if(!$result)
 405          return 0;
 406
 407       $img = $this->cfg_db->db_fetch_object($result);
 408       return $img['img_md5'];
 409
 410    } // getMD5()
 411
 412    private function setMD5($idx, $md5)
 413    {
 414       $result = $this->cfg_db->db_exec("
 415          REPLACE INTO images (img_idx, img_md5)
 416          VALUES ('". $idx ."', '". $md5 ."')
 417       ");
 418
 419    } // setMD5()
 420
 421 }
 422
 423 ?>