added text how to open phpfspot in the browser
[phpfspot.git] / phpfspot.class.php
index 825f92d098d55a8e602ee8c16bd5cf027ac89b31..b82fbeef01d5333f4d2477591c1a6e6f257ab4d5 100644 (file)
@@ -105,35 +105,36 @@ class PHPFSPOT {
       $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
       $this->tmpl->assign('page_title', $this->cfg->page_title);
       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
+      $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
 
       $_SESSION['start_action'] = $_GET['mode'];
 
       switch($_GET['mode']) {
          case 'showpi':
             if(isset($_GET['tags'])) {
-               $_SESSION['selected_tags'] = split(',', $_GET['tags']);
+               $_SESSION['selected_tags'] = $this->extractTags($_GET['tags']);
             }
-            if(isset($_GET['from_date'])) {
-               $_SESSION['from_date'] = $_GET['from_date'];
+            if(isset($_GET['from_date']) && $this->isValidDate($_GET['from_date'])) {
+               $_SESSION['from_date'] = strtotime($_GET['from_date'] ." 00:00:00");
             }
-            if(isset($_GET['to_date'])) {
-               $_SESSION['to_date'] = $_GET['to_date'];
+            if(isset($_GET['to_date']) && $this->isValidDate($_GET['to_date'])) {
+               $_SESSION['to_date'] = strtotime($_GET['to_date'] ." 23:59:59");
             }
             break;
          case 'showp':
             if(isset($_GET['tags'])) {
-               $_SESSION['selected_tags'] = split(',', $_GET['tags']);
+               $_SESSION['selected_tags'] = $this->extractTags($_GET['tags']);
                $_SESSION['start_action'] = 'showp';
             }
-            if(isset($_GET['id'])) {
+            if(isset($_GET['id']) && is_numeric($_GET['id'])) {
                $_SESSION['current_photo'] = $_GET['id'];
                $_SESSION['start_action'] = 'showp';
             }
-            if(isset($_GET['from_date'])) {
-               $_SESSION['from_date'] = $_GET['from_date'];
+            if(isset($_GET['from_date']) && $this->isValidDate($_GET['from_date'])) {
+               $_SESSION['from_date'] = strtotime($_GET['from_date']);
             }
-            if(isset($_GET['to_date'])) {
-               $_SESSION['to_date'] = $_GET['to_date'];
+            if(isset($_GET['to_date']) && $this->isValidDate($_GET['to_date'])) {
+               $_SESSION['to_date'] = strtotime($_GET['to_date']);
             }
             break;
          case 'export':
@@ -146,14 +147,15 @@ class PHPFSPOT {
             break;
       }
 
+      if(isset($_SESSION['from_date']) && isset($_SESSION['to_date']))
+         $this->tmpl->assign('date_search_enabled', true);
+
       $this->tmpl->assign('from_date', $this->get_calendar('from'));
       $this->tmpl->assign('to_date', $this->get_calendar('to'));
       $this->tmpl->assign('sort_field', $this->get_sort_field());
       $this->tmpl->assign('content_page', 'welcome.tpl');
-      $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
       $this->tmpl->show("index.tpl");
 
-
    } // show()
 
    /**
@@ -293,11 +295,11 @@ class PHPFSPOT {
       $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
 
       if(!file_exists($orig_path)) {
-         $this->_warning("Photo ". $orig_path ." does not exist!<br />\n");
+         $this->_error("Photo ". $orig_path ." does not exist!<br />\n");
       }
 
       if(!is_readable($orig_path)) {
-         $this->_warning("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
+         $this->_error("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
       }
 
       /* If the thumbnail doesn't exist yet, try to create it */
@@ -327,7 +329,7 @@ class PHPFSPOT {
          $extern_link.= "&tags=". $current_tags;
       }
       if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
-         $extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
+         $extern_link.= "&from_date=". $this->ts2str($_SESSION['from_date']) ."&to_date=". $this->ts2str($_SESSION['to_date']);
       }
 
       $this->tmpl->assign('extern_link', $extern_link);
@@ -353,7 +355,7 @@ class PHPFSPOT {
          $this->tmpl->assign('current', $current);
       }
       else {
-         $this->_warning("Can't open file ". $thumb_path ."\n");
+         $this->_error("Can't open file ". $thumb_path ."\n");
          return;
       }
 
@@ -564,8 +566,8 @@ class PHPFSPOT {
       $matched_photos = Array();
 
       if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
-         $from_date = strtotime($_SESSION['from_date']);
-         $to_date = strtotime($_SESSION['to_date']);
+         $from_date = $_SESSION['from_date'];
+         $to_date = $_SESSION['to_date'];
          $additional_where_cond = "
                p.time>='". $from_date ."'
             AND
@@ -780,8 +782,8 @@ class PHPFSPOT {
          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 
       if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
-         $this->tmpl->assign('from_date', $_SESSION['from_date']);
-         $this->tmpl->assign('to_date', $_SESSION['to_date']);
+         $this->tmpl->assign('from_date', $this->ts2str($_SESSION['from_date']));
+         $this->tmpl->assign('to_date', $this->ts2str($_SESSION['to_date']));
       }
 
       if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
@@ -818,7 +820,7 @@ class PHPFSPOT {
          for($i = 1; $i <= $last_page; $i++) {
 
             if($current_page == $i)
-               $style = "style=\"font-size: 125%;\"";
+               $style = "style=\"font-size: 125%; text-decoration: underline;\"";
             elseif($current_page-1 == $i || $current_page+1 == $i)
                $style = "style=\"font-size: 105%;\"";
             elseif(($current_page-5 >= $i) && ($i != 1) ||
@@ -873,7 +875,7 @@ class PHPFSPOT {
          $extern_link.= "&tags=". $current_tags;
       }
       if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
-         $extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
+         $extern_link.= "&from_date=". $this->ts2str($_SESSION['from_date']) ."&to_date=". $this->ts2str($_SESSION['to_date']);
       }
 
       $export_link = "index.php?mode=export";
@@ -1112,12 +1114,12 @@ class PHPFSPOT {
       $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 
       if(!file_exists($full_path)) {
-         $this->_warning("File ". $full_path ." does not exist\n");
+         $this->_error("File ". $full_path ." does not exist\n");
          return;
       }
 
       if(!is_readable($full_path)) {
-         $this->_warning("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
+         $this->_error("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
          return;
       }
 
@@ -1210,12 +1212,18 @@ class PHPFSPOT {
     * getPhotoSelection() will then only return the matching
     * photos.
     */
-   public function startSearch($searchfor, $from, $to, $sort_order)
+   public function startSearch($searchfor, $sort_order, $from = 0, $to = 0)
    {
       $_SESSION['searchfor'] = $searchfor;
-      $_SESSION['from_date'] = $from;
-      $_SESSION['to_date'] = $to;
       $_SESSION['sort_order'] = $sort_order;
+      if($from != 0)
+         $_SESSION['from_date'] = strtotime($from);
+      else
+         unset($_SESSION['from_date']);
+      if($to != 0)
+         $_SESSION['to_date'] = strtotime($to);
+      else
+         unset($_SESSION['to_date']);
 
       if($searchfor != "") {
          /* new search, reset the current selected tags */
@@ -1225,6 +1233,7 @@ class PHPFSPOT {
                array_push($_SESSION['selected_tags'], $tag);
          }
       }
+
    } // startSearch()
 
    /**
@@ -1411,21 +1420,31 @@ class PHPFSPOT {
 
    } // checkifImageSupported()
 
-   public function _warning($text)
+   public function _error($text)
    {
-      print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
-      print $text;
+      switch($this->cfg->logging) {
+         case 'display':
+            print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
+            print $text;
+            break;
+         case 'errorlog':  
+            error_log($text);
+            break;
+         case 'logfile':
+            error_log($text, 3, $his->cfg->log_file);
+            break;
+      }
 
-   } // _warning()
+   } // _error()
 
    /**
     * output calendard input fields
     */
    private function get_calendar($mode)
    {
-      $year = $_SESSION[$mode .'_date'] ? date("Y", strtotime($_SESSION[$mode .'_date'])) : date("Y");
-      $month = $_SESSION[$mode .'_date'] ? date("m", strtotime($_SESSION[$mode .'_date'])) : date("m");
-      $day = $_SESSION[$mode .'_date'] ? date("d", strtotime($_SESSION[$mode .'_date'])) : date("d");
+      $year = $_SESSION[$mode .'_date'] ? date("Y", $_SESSION[$mode .'_date']) : date("Y");
+      $month = $_SESSION[$mode .'_date'] ? date("m", $_SESSION[$mode .'_date']) : date("m");
+      $day = $_SESSION[$mode .'_date'] ? date("d", $_SESSION[$mode .'_date']) : date("d");
 
       $output = "<input type=\"text\" size=\"3\" id=\"". $mode ."year\" value=\"". $year ."\"";
       if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
@@ -1551,8 +1570,13 @@ class PHPFSPOT {
                break;
                
             case 'MoinMoin':
-               // [%pictureurl% %thumbnailurl%]
-               print htmlspecialchars(" * [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
+               // "[%pictureurl% %thumbnailurl%]"
+               print htmlspecialchars("[".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
+               break;
+
+            case 'MoinMoinList':
+               // " * [%pictureurl% %thumbnailurl%]"
+               print "&nbsp;" . htmlspecialchars("* [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
                break;
          }
 
@@ -1599,9 +1623,8 @@ class PHPFSPOT {
       if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
          return "show_photo";
       }
-      elseif((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) ||
-         (isset($_SESSION['from_date']) && isset($_SESSION['to_date']))) {
-         return "showpi";
+      elseif(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
+         return "showpi_tags";
       }
       elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
          return "showpi";
@@ -1666,6 +1689,12 @@ class PHPFSPOT {
 
    } // get_sort_order()
 
+   /***
+     * return the next to be shown slide show image
+     *
+     * this function returns the URL of the next image
+     * in the slideshow sequence.
+     */
    public function getNextSlideShowImage()
    {
       $all_photos = $this->getPhotoSelection();
@@ -1683,6 +1712,29 @@ class PHPFSPOT {
 
    } // getNextSlideShowImage()
 
+   /***
+     * return the previous to be shown slide show image
+     *
+     * this function returns the URL of the previous image
+     * in the slideshow sequence.
+     */
+   public function getPrevSlideShowImage()
+   {
+      $all_photos = $this->getPhotoSelection();
+
+      if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == 0)
+         $_SESSION['slideshow_img'] = 0;
+      else
+         $_SESSION['slideshow_img']--;
+
+      $server_name = $_SERVER['SERVER_NAME'];
+      if(!isset($_SERVER['HTTPS'])) $protocol = "http";
+      else $protocol = "https";
+
+      return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
+
+   } // getPrevSlideShowImage()
+
    public function resetSlideShow()
    {
       if(isset($_SESSION['slideshow_img']))
@@ -1709,13 +1761,53 @@ class PHPFSPOT {
       ");
       
       while($row = $this->db->db_fetch_object($result)) {
-         array_push($all, $row[0]);
+         array_push($all, $row['id']);
       }
 
-      return array_rand($all);
+      return $all[array_rand($all)];
 
    } // get_random_photo()
 
+   /**
+    * validates provided date
+    *
+    * this function validates if the provided date
+    * contains a valid date and will return true 
+    * if it is.
+    */
+   public function isValidDate($date_str)
+   {
+      $timestamp = strtotime($date_str);
+   
+      if(is_numeric($timestamp))
+         return true;
+      
+      return false;
+
+   } // isValidDate()
+
+   /**
+    * timestamp to string conversion
+    */
+   private function ts2str($timestamp)
+   {
+      return strftime("%Y-%m-%d", $timestamp);
+   } // ts2str()
+
+   private function extractTags($tags_str)
+   {
+      $not_validated = split(',', $_GET['tags']);
+      $validated = array();
+
+      foreach($not_validated as $tag) {
+         if(is_numeric($tag))
+            array_push($validated, $tag);
+      }
+   
+      return $validated;
+   
+   } // extractTags()
+
 }
 
 ?>