From 4552617dca9f593137d6785ccd67c6a421df232f Mon Sep 17 00:00:00 2001
From: Andreas Unterkircher <unki@netshadow.at>
Date: Sat, 26 Apr 2008 10:18:50 +0200
Subject: issue115, display tag-selection in photo-index

Signed-off-by: Andreas Unterkircher <unki@netshadow.at>
---
 phpfspot_img.php | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 81 insertions(+), 5 deletions(-)

(limited to 'phpfspot_img.php')

diff --git a/phpfspot_img.php b/phpfspot_img.php
index bc8d3d1..3599b2b 100644
--- a/phpfspot_img.php
+++ b/phpfspot_img.php
@@ -64,7 +64,7 @@ class PHPFSPOT_IMG {
     * @param integer $idx
     * @param integer $width
     */
-   public function show($idx, $width = 0)
+   public function showImg($idx, $width = 0)
    {
       if($idx == 'rand')
          $idx = $this->parent->get_random_photo();
@@ -118,12 +118,76 @@ class PHPFSPOT_IMG {
       Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
       Header("Cache-Control: no-cache");
       Header("Pragma: no-cache");
-         
+
+      $file = fopen($fullpath, "rb");
+      fpassthru($file);
+      @fclose($file);
+
+   } // showImg()
+
+   /**
+    * sends a random photo of the requested tag to the browser
+    *
+    * this function will send a random photo to the client.
+    * It is selected out by the provided $tagidx. It also try's
+    * to create on-the-fly missing thumbnails via PHPFSPOT
+    * gen_thumbs function.
+    * @param integer $idx
+    */
+   public function showTagImg($tagidx)
+   {
+      $idx = $this->parent->get_random_tag_photo($tagidx);
+      $width = 30;
+
+      $details = $this->parent->get_photo_details($idx);
+
+      if(!$details) {
+         $this->parent->showTextImage("The image (". $idx .") you requested is unknown");
+         return;
+      }
+
+      /* if no entry for this photo is yet in the database, create thumb */
+      if(!$this->parent->getMD5($idx)) {
+         $this->parent->gen_thumb($idx);
+      }
+      $fullpath = $this->parent->get_thumb_path($width, $idx);
+      /* if the thumb file does not exist, create it */
+      if(!file_exists($fullpath)) {
+         $this->parent->gen_thumb($idx);
+      }
+
+      if(!file_exists($fullpath)) {
+         $this->parent->showTextImage("File ". basename($fullpath) ." does not exist");
+         return;
+      }
+      if(!is_readable($fullpath)) {
+         $this->parent->showTextImage("File ". basename($fullpath) ." is not readable. Check the permissions");
+         return;
+      }
+
+      $mime = $this->parent->get_mime_info($fullpath);
+
+      if(!$this->parent->checkifImageSupported($mime)) {
+         $this->parent->showTextImage("Unsupported Image Type");
+         return;
+      }
+
+      Header("Content-Type: ". $mime);
+      Header("Content-Length: ". filesize($fullpath));
+      Header("Content-Transfer-Encoding: binary\n");
+      Header("Content-Disposition: inline; filename=\"". $this->parent->parse_uri($details['uri'], 'filename') ."\"");
+      Header("Content-Description: ". $this->parent->parse_uri($details['uri'], 'filename'));
+      Header("Accept-Ranges: bytes");
+      Header("Connection: close");
+      Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+      Header("Cache-Control: no-cache");
+      Header("Pragma: no-cache");
+
       $file = fopen($fullpath, "rb");
       fpassthru($file);
       @fclose($file);
 
-   } // show()
+   } // showTagImg()
 
 } // PHPFSPOT_IMG()
 
@@ -132,9 +196,21 @@ if(isset($_GET['idx']) && (is_numeric($_GET['idx']) || $_GET['idx'] == 'rand'))
    $img = new PHPFSPOT_IMG;
 
    if(isset($_GET['width']) && is_numeric($_GET['width'])) 
-      $img->show($_GET['idx'], $_GET['width']);
+      $img->showImg($_GET['idx'], $_GET['width']);
    else
-      $img->show($_GET['idx']);
+      $img->showImg($_GET['idx']);
+
+   exit(0);
 }
 
+if(isset($_GET['tagidx']) && is_numeric($_GET['tagidx'])) {
+
+   $img = new PHPFSPOT_IMG;
+   $img->showTagImg($_GET['tagidx']);
+
+   exit(0);
+
+}
+
+
 ?>
-- 
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