check if Smarty engine is available is now done in check_requirements()
[phpfspot.git] / phpfspot.class.php
index 7e7d4dd8ff6ad0ac067d13c54b15408459a4eb2f..7cc4e19ec506655a4730b2f163540e6b19c70cb3 100644 (file)
@@ -66,23 +66,31 @@ class PHPFSPOT {
       );
 
       /* Check necessary requirements */
-      if(!$this->checkRequirements()) {
+      if(!$this->check_requirements()) {
          exit(1);
       }
 
-      $this->db  = new PHPFSPOT_DB($this, $this->cfg->fspot_db);
+      /******* Opening F-Spot's sqlite database *********/
+
+      /* Check if database file is writeable */
       if(!is_writeable($this->cfg->fspot_db)) {
          print $this->cfg->fspot_db ." is not writeable for user ". $this->getuid() ."\n";
          exit(1);
       }
 
-      $this->dbver = $this->getFspotDBVersion();
+      /* open the database */
+      $this->db  = new PHPFSPOT_DB($this, $this->cfg->fspot_db);
 
-      if(!is_writeable(dirname($this->cfg->phpfspot_db))) {
-         print dirname($this->cfg->phpfspot_db) .": directory is not writeable for user ". $this->getuid() ."\n";
-         exit(1);
+      /* change sqlite temp directory, if requested */
+      if(isset($this->cfg->sqlite_temp_dir)) {
+         $this->db->db_exec("
+            PRAGMA
+               temp_store_directory = '". $this->cfg->sqlite_temp_dir ."'
+         ");
       }
 
+      $this->dbver = $this->getFspotDBVersion();
+
       if(!is_writeable($this->cfg->base_path ."/templates_c")) {
          print $this->cfg->base_path ."/templates_c: directory is not writeable for user ". $this->getuid() ."\n";
          exit(1);
@@ -93,20 +101,35 @@ class PHPFSPOT {
          exit(1);
       }
 
-      $this->cfg_db = new PHPFSPOT_DB($this, $this->cfg->phpfspot_db);
+      /******* Opening phpfspot's sqlite database *********/
+
+      /* Check if directory where the database file is stored is writeable  */
+      if(!is_writeable(dirname($this->cfg->phpfspot_db))) {
+         print dirname($this->cfg->phpfspot_db) .": directory is not writeable for user ". $this->getuid() ."\n";
+         exit(1);
+      }
+
+      /* Check if database file is writeable */
       if(!is_writeable($this->cfg->phpfspot_db)) {
          print $this->cfg->phpfspot_db ." is not writeable for user ". $this->getuid() ."\n";
          exit(1);
       }
 
-      $this->check_config_table();
+      /* open the database */
+      $this->cfg_db = new PHPFSPOT_DB($this, $this->cfg->phpfspot_db);
 
-      /* include Smarty template engine */
-      if(!$this->check_readable($this->cfg->smarty_path .'/libs/Smarty.class.php')) {
-         exit(1);
+      /* change sqlite temp directory, if requested */
+      if(isset($this->cfg->sqlite_temp_dir)) {
+         $this->cfg_db->db_exec("
+            PRAGMA
+               temp_store_directory = '". $this->cfg->sqlite_temp_dir ."'
+         ");
       }
-      require $this->cfg->smarty_path .'/libs/Smarty.class.php';
-      /* overload Smarty class if our own template handler */
+
+      /* Check if some tables need to be created */
+      $this->check_config_table();
+
+      /* overload Smarty class with our own template handler */
       require_once "phpfspot_tmpl.php";
       $this->tmpl = new PHPFSPOT_TMPL($this);
 
@@ -460,8 +483,10 @@ class PHPFSPOT {
          $thumb_path = $this->get_thumb_path($this->cfg->photo_width, $photo);
       }
 
-      /* get f-spot database meta information */
-      $meta = $this->get_meta_informations($orig_path);
+      /* get EXIF information if JPEG */
+      if($details['mime'] == "image/jpeg") {
+         $meta = $this->get_meta_informations($orig_path);
+      }
 
       /* If EXIF data are available, use them */
       if(isset($meta['ExifImageWidth'])) {
@@ -689,6 +714,57 @@ class PHPFSPOT {
 
    } // resetTags()
 
+   /**
+    * returns the value for the autocomplet tag-search
+    */
+   public function get_xml_tag_list()
+   {
+      if(!isset($_GET['search']) || !is_string($_GET['search']))
+         $_GET['search'] = '';
+      
+      $length = 15;
+      $i = 1;
+         
+      /* retrive tags from database */
+      $this->get_tags();
+
+      $matched_tags = Array();
+
+      header("Content-Type: text/xml");
+
+      $string = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n";
+      $string.= "<results>\n";
+
+      foreach($this->avail_tags as $tag)
+      {
+         if(!empty($_GET['search']) &&
+            preg_match("/". $_GET['search'] ."/i", $this->tags[$tag]) &&
+            count($matched_tags) < $length) {
+
+            $count = $this->get_num_photos($tag);
+
+            if($count == 1) {
+               $string.= " <rs id=\"". $i ."\" info=\"". $count ." photo\">". $this->tags[$tag] ."</rs>\n";
+            }
+            else {
+               $string.= " <rs id=\"". $i ."\" info=\"". $count ." photos\">". $this->tags[$tag] ."</rs>\n";
+
+            }
+            $i++;
+         }
+
+         /* if we have collected enough items, break out */
+         if(count($matched_tags) >= $length)
+            break;
+      }
+
+      $string.= "</results>\n";
+
+      return $string;
+
+   } // get_xml_tag_list()
+
+
    /**
     * reset single photo
     *
@@ -1181,32 +1257,44 @@ class PHPFSPOT {
       if(!$this->checkifImageSupported($details['mime']))
          return false;
 
-      $meta = $this->get_meta_informations($orig_image);
-
-      $rotate = 0;
-      $flip_hori = false;
-      $flip_vert = false;
-
-      switch($meta['Orientation']) {
-         case 1: /* top, left */
-            /* nothing to do */ break;
-         case 2: /* top, right */
-            $rotate = 0; $flip_hori = true; break;
-         case 3: /* bottom, left */
-            $rotate = 180; break;
-         case 4: /* bottom, right */
-            $flip_vert = true; break;
-         case 5: /* left side, top */
-            $rotate = 90; $flip_vert = true; break;
-         case 6: /* right side, top */
-            $rotate = 90; break;
-         case 7: /* left side, bottom */
-            $rotate = 270; $flip_vert = true; break;
-         case 8: /* right side, bottom */
-            $rotate = 270; break;
-      }
-
-      $src_img = @imagecreatefromjpeg($orig_image);
+      switch($details['mime']) {
+
+         case 'image/jpeg':
+
+            $meta = $this->get_meta_informations($orig_image);
+
+            $rotate = 0;
+            $flip_hori = false;
+            $flip_vert = false;
+
+            switch($meta['Orientation']) {
+               case 1: /* top, left */
+                  /* nothing to do */ break;
+               case 2: /* top, right */
+                  $rotate = 0; $flip_hori = true; break;
+               case 3: /* bottom, left */
+                  $rotate = 180; break;
+               case 4: /* bottom, right */
+                  $flip_vert = true; break;
+               case 5: /* left side, top */
+                  $rotate = 90; $flip_vert = true; break;
+               case 6: /* right side, top */
+                  $rotate = 90; break;
+               case 7: /* left side, bottom */
+                  $rotate = 270; $flip_vert = true; break;
+               case 8: /* right side, bottom */
+                  $rotate = 270; break;
+            }
+
+            $src_img = @imagecreatefromjpeg($orig_image);
+            break;
+
+         case 'image/png':
+
+            $src_img = @imagecreatefrompng($orig_image);
+            break;
+
+      }
 
       if(!$src_img) {
          print "Can't load image from ". $orig_image ."\n";
@@ -1701,7 +1789,7 @@ class PHPFSPOT {
    /**
     * check if all requirements are met
     */
-   private function checkRequirements()
+   private function check_requirements()
    {
       if(!function_exists("imagecreatefromjpeg")) {
          print "PHP GD library extension is missing<br />\n";
@@ -1730,6 +1818,11 @@ class PHPFSPOT {
          print "PEAR Console_Getopt package is missing<br />\n";
          $missing = true;
       }
+      @include_once $this->cfg->smarty_path .'/libs/Smarty.class.php';
+      if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
+         print "Smarty template engine can not be found in ". $this->cfg->smarty_path ."/libs/Smarty.class.php<br />\n";
+         $missing = true;
+      }
       ini_restore('track_errors');
 
       if(isset($missing))
@@ -1737,7 +1830,7 @@ class PHPFSPOT {
 
       return true;
 
-   } // checkRequirements()
+   } // check_requirements()
 
    private function _debug($text)
    {
@@ -1752,7 +1845,7 @@ class PHPFSPOT {
     */
    public function checkifImageSupported($mime)
    {
-      if(in_array($mime, Array("image/jpeg")))
+      if(in_array($mime, Array("image/jpeg", "image/png")))
          return true;
 
       return false;
@@ -1967,7 +2060,12 @@ class PHPFSPOT {
 ". $details['description']);
 
          $orig_path = $this->translate_path($this->parse_uri($details['uri'], 'fullpath'));
-         $meta = $this->get_meta_informations($orig_path);
+
+         /* get EXIF information if JPEG */
+         if($details['mime'] == "image/jpeg") {
+            $meta = $this->get_meta_informations($orig_path);
+         }
+
          $meta_date = isset($meta['FileDateTime']) ? $meta['FileDateTime'] : filemtime($orig_path);
 
 ?>
@@ -2271,6 +2369,25 @@ class PHPFSPOT {
    {
       return $this->get_web_protocol() ."://". $this->get_server_name() . $this->cfg->web_path;
    } // get_phpfspot_url()
+
+   /**
+    * returns the number of photos which are tagged with $tag_id
+    */
+   public function get_num_photos($tag_id)
+   {
+      if($result = $this->db->db_fetchSingleRow("
+         SELECT count(*) as number
+         FROM photo_tags
+         WHERE
+            tag_id LIKE '". $tag_id ."'")) {
+
+         return $result['number'];
+
+      }
+
+      return 0;
+      
+   } // get_num_photos()
    
    /**
     * check file exists and is readable