first implementation of "selected tag condition"
[phpfspot.git] / phpfspot.class.php
index 6d66aaefd102f4e39f1934c3dace91c93b8cacee..7bccc9e8672489dd294d2c538c9ba1dc03e00230 100644 (file)
@@ -8,26 +8,29 @@ class PHPFSPOT {
 
    var $cfg;
    var $db;
+   var $cfg_db;
    var $tmpl;
    var $tags;
    var $avail_tags;
-   var $photos;
-   var $avail_photos;
-   var $current_photo;
    var $current_tags;
 
    public function __construct()
    {
       $this->cfg = new PHPFSPOT_CFG;
 
-      $this->db = new PHPFSPOT_DB(&$this, $this->cfg->db);
+      $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
+
+      $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
+      $this->check_config_table();
+
       $this->tmpl = new PHPFSPOT_TMPL($this);
 
       $this->get_tags();
-      $this->get_photos();
 
-      if(isset($_GET['id']) && is_numeric($_GET['id']))
-         $this->current_photo = $_GET['id'];
+      session_start();
+
+      if(!isset($_SESSION['tag_condition']))
+         $_SESSION['tag_condition'] = 'or';
 
    } // __construct()
 
@@ -38,11 +41,10 @@ class PHPFSPOT {
 
    public function show()
    {
-
-      $this->tmpl->assign('tags', $this->tags);
+      $this->tmpl->assign('page_title', $this->cfg->page_title);
+      $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
       $this->tmpl->show("index.tpl");
 
-
    } // show()
 
    private function get_tags()
@@ -61,6 +63,10 @@ class PHPFSPOT {
          $tag_id = $row['id'];
          $tag_name = $row['name'];
 
+         /* check if config requests to ignore this tag */
+         if(in_array($row['name'], $this->cfg->hide_tags))
+            continue;
+
          $this->tags[$tag_id] = $tag_name; 
          $this->avail_tags[$count] = $tag_id;
 
@@ -70,34 +76,6 @@ class PHPFSPOT {
 
    } // get_tags()
 
-   private function get_photos()
-   {
-      $this->avail_photos = Array();
-      $count = 0;
-
-      $result = $this->db->db_query("
-         SELECT id, name
-         FROM photos
-         ORDER BY time ASC
-      ");
-      
-      while($row = $this->db->db_fetch_object($result)) {
-
-         $photo_id = $row['id'];
-         $photo_name = $row['name'];
-
-         $this->photos[$photo_id] = $photo_name;
-         $this->avail_photos[$count] = $photo_id;
-
-         if(!isset($this->current_photo))
-            $this->current_photo = $count;
-
-         $count++;
-
-      }
-
-   } // get_photos()
-
    public function get_photo_details($idx)
    {
       $result = $this->db->db_query("
@@ -135,9 +113,18 @@ class PHPFSPOT {
          }
       }
 
-      if(isset($photo)) {
-         $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
-      }
+
+      $details = $this->get_photo_details($photo);
+      $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
+      $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
+
+      $this->tmpl->assign('width', $info[0]);
+      $this->tmpl->assign('height', $info[1]);
+      $this->tmpl->assign('c_date', $meta['DateTime']);
+      $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
+      $this->tmpl->assign('image_name', $details['name']);
+      $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
+      $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
 
       if($previous_img) {
          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
@@ -176,8 +163,6 @@ class PHPFSPOT {
 
       }
 
-      print "<a href=\"javascript:Tags('reset', 0);\">Reset Tags</a>";
-
    } // getSelectedTags()
 
    public function addTag($tag)
@@ -213,21 +198,61 @@ class PHPFSPOT {
          foreach($_SESSION['selected_tags'] as $tag)
             $selected.= $tag .",";
          $selected = substr($selected, 0, strlen($selected)-1);
-         $result = $this->db->db_query("
-            SELECT DISTINCT photo_id
-            FROM photo_tags
-            WHERE tag_id IN (". $selected .")
-         ");
+
+         if($_SESSION['tag_condition'] == 'or') {
+            $result = $this->db->db_query("
+               SELECT DISTINCT photo_id
+                  FROM photo_tags pt
+               INNER JOIN photos p
+                  ON p.id=pt.photo_id
+               WHERE pt.tag_id IN (". $selected .")
+               ORDER BY p.time ASC
+            ");
+            while($row = $this->db->db_fetch_object($result)) {
+               array_push($tagged_photos, $row['photo_id']);
+            }
+         }
+         elseif($_SESSION['tag_condition'] == 'and') {
+            $result = $this->db->db_query("
+               SELECT DISTINCT photo_id, tag_id
+                  FROM photo_tags pt
+               INNER JOIN photos p
+                  on p.id=pt.photo_id
+               WHERE pt.tag_id IN (". $selected .")
+               ORDER BY p.time ASC
+            ");
+
+            /* now we need to check if each object fulfills the condition
+               and has all the selected tags assigned
+            */
+            $match_object = Array();
+            $matches_needed = count($_SESSION['selected_tags']);
+            while($row = $this->db->db_fetch_object($result)) {
+               /* set the counter for this object */
+               if(!isset($match_object[$row['photo_id']]))
+                  $match_object[$row['photo_id']] = $matches_needed;
+               
+               /* we have a match? decrement the counter */
+               if(in_array($row['tag_id'], $_SESSION['selected_tags']))
+                  $match_object[$row['photo_id']]--;
+
+               /* if the object has all necessary tags, add it to the result */
+               if($match_object[$row['photo_id']] == 0)
+                  array_push($tagged_photos, $row['photo_id']);
+            }
+         }
       }
       else {
          $result = $this->db->db_query("
             SELECT DISTINCT photo_id
-            FROM photo_tags
+               FROM photo_tags pt
+            INNER JOIN photos p
+               ON p.id=pt.photo_id
+            ORDER BY p.time ASC
          ");
-      }
-
-      while($row = $this->db->db_fetch_object($result)) {
-         array_push($tagged_photos, $row['photo_id']);
+         while($row = $this->db->db_fetch_object($result)) {
+            array_push($tagged_photos, $row['photo_id']);
+         }
       }
 
       return $tagged_photos;
@@ -272,6 +297,189 @@ class PHPFSPOT {
 
    } // showPhotoIndex()
 
+   public function showBubbleDetails($photo, $direction)
+   {
+      if($direction == "up")
+         $direction = "bubbleimg_up";
+      else
+         $direction = "bubbleimg_down";
+
+      $details = $this->get_photo_details($photo);
+
+      $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
+
+      $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
+      $filesize = rand($filesize/1024, 2);
+
+      $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
+
+      $this->tmpl->assign('file_size', $filesize);
+      $this->tmpl->assign('width', $img[0]);
+      $this->tmpl->assign('height', $img[1]);
+      $this->tmpl->assign('file_name', $details['name']);
+      $this->tmpl->assign('image_id', $direction);
+      $this->tmpl->assign('image_url', $image_url);
+      $this->tmpl->show("bubble_details.tpl");
+
+   } // showBubbleDetails()
+
+   public function showCredits()
+   {
+      $this->tmpl->assign('version', $this->cfg->version);
+      $this->tmpl->assign('product', $this->cfg->product);
+      $this->tmpl->show("credits.tpl");
+
+   } // showCredits()
+
+   public function create_thumbnail($image, $width)
+   {  
+      // if thumbnail already exists, don't recreate it
+      if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
+         return;
+
+      $src_img = @imagecreatefromjpeg($image);
+
+      if($src_img)
+      {  
+         /* grabs the height and width */
+         $new_w = imagesx($src_img);
+         $new_h = imagesy($src_img);
+
+         // If requested width is more then the actual image width,
+         // do not generate a thumbnail
+
+         if($width >= $new_w) {
+            imagedestroy($src_img);
+            return;
+         }
+
+         /* calculates aspect ratio */
+         $aspect_ratio = $new_h / $new_w;
+
+         /* sets new size */
+         $new_w = $width;
+         $new_h = abs($new_w * $aspect_ratio);
+
+         /* creates new image of that size */
+         $dst_img = imagecreatetruecolor($new_w,$new_h);
+
+         imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
+
+         /* copies resized portion of original image into new image */
+         imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
+
+         /* write down new generated file */
+
+         if(!file_exists(dirname($image) ."/thumbs"))
+            mkdir(dirname($image) ."/thumbs");
+
+         $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
+         imagejpeg($dst_img, $newfile, 75);
+
+         /* free your mind */
+         imagedestroy($dst_img);
+         imagedestroy($src_img);
+      }
+
+   } // create_thumbnail()
+
+   public function get_meta_informations($file)
+   {
+
+      return exif_read_data($file);
+
+   } // get_meta_informations()
+
+   public function check_config_table()
+   {
+      // if the config table doesn't exist yet, create it
+      if(!$this->cfg_db->db_check_table_exists("images")) {
+         $this->cfg_db->db_exec("
+            CREATE TABLE images (
+               img_idx int primary key,
+               img_md5 varchar(32)
+            )
+            ");
+      }
+
+   } // check_config_table
+
+   public function gen_thumbs($idx = 0, $fromcmd = 0)
+   {
+      if(!$idx) {
+         /* get all available photos */
+         $all = $this->getAllTagPhotos();
+      }
+      else
+         $all = Array($idx);
+      
+      foreach($all as $photo) {
+
+         $details = $this->get_photo_details($photo);
+
+         $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
+         $file_md5 = md5_file($full_path);
+
+         if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
+
+         /* if the file hasn't changed there is no need to regen the thumb */
+         if($file_md5 == $this->getMD5($photo)) {
+            if($fromcmd) print " file has not changed - skipping\n";
+            continue;
+         }
+
+         /* set the new/changed MD5 sum for the current photo */
+         $this->setMD5($photo, $file_md5);
+
+         $resolutions = Array(
+                           $this->cfg->thumb_width,
+                           $this->cfg->bubble_width,
+                           $this->cfg->photo_width
+                        );
+
+         /* create thumbnails for the requested resolutions */
+         foreach($resolutions as $resolution) {
+            if($fromcmd) print " ". $resolution ."px";
+            $this->create_thumbnail($full_path, $resolution);
+         }
+
+         if($fromcmd) print "\n";
+
+      }
+
+   } // gen_thumbs()
+
+   private function getMD5($idx)
+   {
+      $result = $this->cfg_db->db_query("
+         SELECT img_md5 
+         FROM images
+         WHERE img_idx='". $idx ."'
+      ");
+
+      if(!$result)
+         return 0;
+
+      $img = $this->cfg_db->db_fetch_object($result);
+      return $img['img_md5'];
+      
+   } // getMD5()
+
+   private function setMD5($idx, $md5)
+   {
+      $result = $this->cfg_db->db_exec("
+         REPLACE INTO images (img_idx, img_md5)
+         VALUES ('". $idx ."', '". $md5 ."')
+      ");
+
+   } // setMD5()
+
+   public function setTagCondition($mode)
+   {
+      $_SESSION['tag_condition'] = $mode;
+
+   } // setTagCondition()
+
 }
 
 ?>