X-Git-Url: https://git.nubati.net/cgi-bin/gitweb.cgi?p=phpfspot.git;a=blobdiff_plain;f=phpfspot.class.php;h=ffb511d97361df9c475132a27bb0c9e4cc6d7f99;hp=579054d6ebd70a18caba3abd46612723c6e5474f;hb=758887b79c875b31b86d427e27f515e2c3d2a257;hpb=a63f899582afffadbabfdf422489b7937f0e6a1e
diff --git a/phpfspot.class.php b/phpfspot.class.php
index 579054d..ffb511d 100644
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -1,5 +1,26 @@
tmpl->assign('searchfor', $_SESSION['searchfor']);
@@ -95,20 +135,34 @@ class PHPFSPOT {
$this->tmpl->show("export.tpl");
return;
break;
-
+ case 'slideshow':
+ $this->tmpl->show("slideshow.tpl");
+ return;
+ break;
}
$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->show("index.tpl");
} // show()
+ /**
+ * get_tags - grab all tags of f-spot's database
+ *
+ * this function will get all available tags from
+ * the f-spot database and store them within two
+ * arrays within this clase for later usage. in
+ * fact, if the user requests (hide_tags) it will
+ * opt-out some of them.
+ *
+ * this function is getting called once by show()
+ */
private function get_tags()
{
-
$this->avail_tags = Array();
$count = 0;
@@ -136,6 +190,12 @@ class PHPFSPOT {
} // get_tags()
+ /**
+ * extract all photo details
+ *
+ * retrieve all available details from f-spot's
+ * database and return them as object
+ */
public function get_photo_details($idx)
{
$result = $this->db->db_query("
@@ -148,6 +208,13 @@ class PHPFSPOT {
} // get_photo_details
+ /**
+ * returns aligned photo names
+ *
+ * this function returns aligned (length) names for
+ * an specific photo. If the length of the name exceeds
+ * $limit the name will be shrinked (...)
+ */
public function getPhotoName($idx, $limit = 0)
{
if($details = $this->get_photo_details($idx)) {
@@ -160,24 +227,43 @@ class PHPFSPOT {
} // getPhotoName()
+ /**
+ * translate f-spoth photo path
+ *
+ * as the full-qualified path recorded in the f-spot database
+ * is usally not the same as on the webserver, this function
+ * will replace the path with that one specified in the cfg
+ */
public function translate_path($path, $width = 0)
{
return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
} // translate_path
+ /**
+ * control HTML ouput for a single photo
+ *
+ * this function provides all the necessary information
+ * for the single photo template.
+ */
public function showPhoto($photo)
{
+ /* get all photos from the current photo selection */
$all_photos = $this->getPhotoSelection();
$count = count($all_photos);
for($i = 0; $i < $count; $i++) {
- if($get_next) {
+ // $get_next will be set, when the photo which has to
+ // be displayed has been found - this means that the
+ // next available is in fact the NEXT image (for the
+ // navigation icons)
+ if(isset($get_next)) {
$next_img = $all_photos[$i];
break;
}
+ /* the next photo is our NEXT photo */
if($all_photos[$i] == $photo) {
$get_next = 1;
}
@@ -191,6 +277,12 @@ class PHPFSPOT {
}
$details = $this->get_photo_details($photo);
+
+ if(!$details) {
+ print "error";
+ return;
+ }
+
$orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
$thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
@@ -205,8 +297,10 @@ class PHPFSPOT {
/* If the thumbnail doesn't exist yet, try to create it */
if(!file_exists($thumb_path)) {
$this->gen_thumb($photo, true);
+ $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
}
+ /* get f-spot database meta information */
$meta = $this->get_meta_informations($orig_path);
/* If EXIF data are available, use them */
@@ -218,11 +312,11 @@ class PHPFSPOT {
}
$meta_date = isset($meta['FileDateTime']) ? strftime("%a %x %X", $meta['FileDateTime']) : "n/a";
- $meta_make = isset($meta['Make']) ? $meta['Make'] ." ". $meta['Model'] : "n/a";
+ $meta_make = isset($meta['Make']) ? $meta['Make'] ." / ". $meta['Model'] : "n/a";
$meta_size = isset($meta['FileSize']) ? round($meta['FileSize']/1024, 1) ."kbyte" : "n/a";
- $current_tags = $this->getCurrentTags();
$extern_link = "index.php?mode=showp&id=". $photo;
+ $current_tags = $this->getCurrentTags();
if($current_tags != "") {
$extern_link.= "&tags=". $current_tags;
}
@@ -254,6 +348,7 @@ class PHPFSPOT {
}
else {
$this->_warning("Can't open file ". $thumb_path ."\n");
+ return;
}
if($previous_img) {
@@ -266,13 +361,24 @@ class PHPFSPOT {
$this->tmpl->assign('next_img', $next_img);
}
$this->tmpl->assign('mini_width', $this->cfg->mini_width);
+ $this->tmpl->assign('photo_number', $i);
+ $this->tmpl->assign('photo_count', count($all_photos));
$this->tmpl->show("single_photo.tpl");
} // showPhoto()
+ /**
+ * all available tags and tag cloud
+ *
+ * this function outputs all available tags (time ordered)
+ * and in addition output them as tag cloud (tags which have
+ * many photos will appears more then others)
+ */
public function getAvailableTags()
{
+ $output = "";
+
$result = $this->db->db_query("
SELECT tag_id as id, count(tag_id) as quantity
FROM photo_tags
@@ -320,12 +426,22 @@ class PHPFSPOT {
// uncomment if you want sizes in whole %:
$size = ceil($size);
- print "". $this->tags[$key] .", ";
+ $output.= "". $this->tags[$key] .", ";
}
+ $output = substr($output, 0, strlen($output)-2);
+ print $output;
+
} // getAvailableTags()
+ /**
+ * output all selected tags
+ *
+ * this function output all tags which have been selected
+ * by the user. the selected tags are stored in the
+ * session-variable $_SESSION['selected_tags']
+ */
public function getSelectedTags()
{
$output = "";
@@ -342,11 +458,15 @@ class PHPFSPOT {
} // getSelectedTags()
+ /**
+ * add tag to users session variable
+ *
+ * this function will add the specified to users current
+ * tag selection. if a date search has been made before
+ * it will be now cleared
+ */
public function addTag($tag)
{
- // if the result of a date search are displayed, reset them
- $this->resetDateSearch();
-
if(!isset($_SESSION['selected_tags']))
$_SESSION['selected_tags'] = Array();
@@ -355,6 +475,12 @@ class PHPFSPOT {
} // addTag()
+ /**
+ * remove tag to users session variable
+ *
+ * this function removes the specified tag from
+ * users current tag selection
+ */
public function delTag($tag)
{
if(isset($_SESSION['selected_tags'])) {
@@ -365,6 +491,12 @@ class PHPFSPOT {
} // delTag()
+ /**
+ * reset tag selection
+ *
+ * if there is any tag selection, it will be
+ * deleted now
+ */
public function resetTags()
{
if(isset($_SESSION['selected_tags']))
@@ -372,6 +504,12 @@ class PHPFSPOT {
} // resetTags()
+ /**
+ * reset single photo
+ *
+ * if a specific photo was requested (external link)
+ * unset the session variable now
+ */
public function resetPhotoView()
{
if(isset($_SESSION['current_photo']))
@@ -379,6 +517,12 @@ class PHPFSPOT {
} // resetPhotoView();
+ /**
+ * reset tag search
+ *
+ * if any tag search has taken place, reset
+ * it now
+ */
public function resetTagSearch()
{
if(isset($_SESSION['searchfor']))
@@ -386,6 +530,12 @@ class PHPFSPOT {
} // resetTagSearch()
+ /**
+ * reset date search
+ *
+ * if any date search has taken place, reset
+ * it now
+ */
public function resetDateSearch()
{
if(isset($_SESSION['from_date']))
@@ -395,22 +545,49 @@ class PHPFSPOT {
} // resetDateSearch();
+ /**
+ * return all photo according selection
+ *
+ * this function returns all photos based on
+ * the tag-selection, tag- or date-search.
+ * the tag-search also has to take care of AND
+ * and OR conjunctions
+ */
public function getPhotoSelection()
{
$matched_photos = Array();
+ if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
+ $from_date = strtotime($_SESSION['from_date']);
+ $to_date = strtotime($_SESSION['to_date']);
+ $additional_where_cond = "
+ p.time>='". $from_date ."'
+ AND
+ p.time<='". $to_date ."'
+ ";
+ }
+
+ if(isset($_SESSION['sort_order'])) {
+ $order_str = $this->get_sort_order();
+ }
+
/* return a search result */
if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
- $result = $this->db->db_query("
+ $query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
INNER JOIN tags t
ON pt.tag_id=t.id
- WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
- ORDER BY p.time ASC
- ");
+ WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'";
+
+ if(isset($additional_where_cond))
+ $query_str.= "AND ". $additional_where_cond ." ";
+ if(isset($order_str))
+ $query_str.= $order_str;
+
+ $result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
@@ -425,14 +602,17 @@ class PHPFSPOT {
$selected = substr($selected, 0, strlen($selected)-1);
if($_SESSION['tag_condition'] == 'or') {
- $result = $this->db->db_query("
+ $query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
WHERE pt.tag_id IN (". $selected .")
- ORDER BY p.time ASC
- ");
+ ";
+ if(isset($additional_where_cond))
+ $query_str.= "AND ". $additional_where_cond ." ";
+ if(isset($order_str))
+ $query_str.= $order_str;
}
elseif($_SESSION['tag_condition'] == 'and') {
@@ -462,49 +642,42 @@ class PHPFSPOT {
ON pt1.photo_id=pt". ($i+2) .".photo_id
";
}
+ $query_str.= "
+ INNER JOIN photos p
+ ON pt1.photo_id=p.id
+ ";
$query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
$query_str.= "
AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
";
}
- $result = $this->db->db_query($query_str);
+ if(isset($additional_where_cond))
+ $query_str.= "AND ". $additional_where_cond;
+ if(isset($order_str))
+ $query_str.= $order_str;
}
+ $result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
return $matched_photos;
}
- if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
- $from_date = strtotime($_SESSION['from_date']);
- $to_date = strtotime($_SESSION['to_date']);
- $result = $this->db->db_query("
- SELECT DISTINCT photo_id
- FROM photo_tags pt
- INNER JOIN photos p
- ON p.id=pt.photo_id
- WHERE
- time>='". $from_date ."'
- AND
- time<='". $to_date ."'
- ORDER BY p.time ASC
- ");
- while($row = $this->db->db_fetch_object($result)) {
- array_push($matched_photos, $row['photo_id']);
- }
- return $matched_photos;
- }
-
/* return all available photos */
- $result = $this->db->db_query("
+ $query_str = "
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
- ORDER BY p.time ASC
- ");
+ ";
+ if(isset($additional_where_cond))
+ $query_str.= "WHERE ". $additional_where_cond ." ";
+ if(isset($order_str))
+ $query_str.= $order_str;
+
+ $result = $this->db->db_query($query_str);
while($row = $this->db->db_fetch_object($result)) {
array_push($matched_photos, $row['photo_id']);
}
@@ -512,6 +685,12 @@ class PHPFSPOT {
} // getPhotoSelection()
+ /**
+ * control HTML ouput for photo index
+ *
+ * this function provides all the necessary information
+ * for the photo index template.
+ */
public function showPhotoIndex()
{
$photos = $this->getPhotoSelection();
@@ -594,6 +773,15 @@ class PHPFSPOT {
if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
$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', $_SESSION['to_date']);
+ }
+
+ if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
+ $this->tmpl->assign('tag_result', 1);
+ }
+
/* do we have to display the page selector ? */
if($this->cfg->rows_per_page != 0) {
@@ -619,6 +807,8 @@ class PHPFSPOT {
}
}
+ $dotdot_made = 0;
+
for($i = 1; $i <= $last_page; $i++) {
if($current_page == $i)
@@ -653,12 +843,16 @@ class PHPFSPOT {
$i == $current_page+3 || $i == $current_page+2 || $i == $current_page+1 /* three after */) {
$page_select.= $select;
+ $dotdot_made = 0;
continue;
}
}
- $page_select.= ".";
+ if(!$dotdot_made) {
+ $page_select.= "......... ";
+ $dotdot_made = 1;
+ }
}
/* only show the page selector if we have more then one page */
@@ -677,8 +871,10 @@ class PHPFSPOT {
}
$export_link = "index.php?mode=export";
+ $slideshow_link = "index.php?mode=slideshow";
$this->tmpl->assign('extern_link', $extern_link);
+ $this->tmpl->assign('slideshow_link', $slideshow_link);
$this->tmpl->assign('export_link', $export_link);
$this->tmpl->assign('count', $count);
$this->tmpl->assign('width', $this->cfg->thumb_width);
@@ -698,6 +894,9 @@ class PHPFSPOT {
} // showPhotoIndex()
+ /**
+ * show credit template
+ */
public function showCredits()
{
$this->tmpl->assign('version', $this->cfg->version);
@@ -706,10 +905,19 @@ class PHPFSPOT {
} // showCredits()
+ /**
+ * create_thumbnails for the requested width
+ *
+ * this function creates image thumbnails of $orig_image
+ * stored as $thumb_image. It will check if the image is
+ * in a supported format, if necessary rotate the image
+ * (based on EXIF orientation meta headers) and re-sizing.
+ */
public function create_thumbnail($orig_image, $thumb_image, $width)
{
- if(!file_exists($orig_image))
+ if(!file_exists($orig_image)) {
return false;
+ }
$details = getimagesize($orig_image);
@@ -754,9 +962,11 @@ class PHPFSPOT {
$cur_height = imagesy($src_img);
// If requested width is more then the actual image width,
- // do not generate a thumbnail
+ // do not generate a thumbnail, instead safe the original
+ // as thumbnail but with lower quality
if($width >= $cur_width) {
+ $result = imagejpeg($src_img, $thumb_image, 75);
imagedestroy($src_img);
return true;
}
@@ -838,12 +1048,22 @@ class PHPFSPOT {
} // create_thumbnail()
+ /**
+ * return all exif meta data from the file
+ */
public function get_meta_informations($file)
{
return exif_read_data($file);
} // get_meta_informations()
+ /**
+ * create phpfspot own sqlite database
+ *
+ * this function creates phpfspots own sqlite database
+ * if it does not exist yet. this own is used to store
+ * some necessary informations (md5 sum's, ...).
+ */
public function check_config_table()
{
// if the config table doesn't exist yet, create it
@@ -910,7 +1130,6 @@ class PHPFSPOT {
if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
$error = 1;
}
-
/* if the file hasn't changed there is no need to regen the thumb */
elseif($file_md5 != $this->getMD5($idx) || $force) {
@@ -930,6 +1149,12 @@ class PHPFSPOT {
} // gen_thumb()
+ /**
+ * returns stored md5 sum for a specific photo
+ *
+ * this function queries the phpfspot database for a
+ * stored MD5 checksum of the specified photo
+ */
public function getMD5($idx)
{
$result = $this->cfg_db->db_query("
@@ -946,6 +1171,9 @@ class PHPFSPOT {
} // getMD5()
+ /**
+ * set MD5 sum for the specific photo
+ */
private function setMD5($idx, $md5)
{
$result = $this->cfg_db->db_exec("
@@ -955,38 +1183,55 @@ class PHPFSPOT {
} // setMD5()
+ /**
+ * store current tag condition
+ *
+ * this function stores the current tag condition
+ * (AND or OR) in the users session variables
+ */
public function setTagCondition($mode)
{
$_SESSION['tag_condition'] = $mode;
} // setTagCondition()
- public function startTagSearch($searchfor)
+ /**
+ * invoke tag & date search
+ *
+ * this function will return all matching tags and store
+ * them in the session variable selected_tags. furthermore
+ * it also handles the date search.
+ * getPhotoSelection() will then only return the matching
+ * photos.
+ */
+ public function startSearch($searchfor, $from, $to, $sort_order)
{
$_SESSION['searchfor'] = $searchfor;
- $_SESSION['selected_tags'] = Array();
-
- foreach($this->avail_tags as $tag) {
- if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
- array_push($_SESSION['selected_tags'], $tag);
- }
-
- $this->resetDateSearch();
-
- } // startTagSearch()
-
- public function startDateSearch($from, $to)
- {
$_SESSION['from_date'] = $from;
$_SESSION['to_date'] = $to;
- }
+ $_SESSION['sort_order'] = $sort_order;
+
+ if($searchfor != "") {
+ /* new search, reset the current selected tags */
+ $_SESSION['selected_tags'] = Array();
+ foreach($this->avail_tags as $tag) {
+ if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
+ array_push($_SESSION['selected_tags'], $tag);
+ }
+ }
+ } // startSearch()
+ /**
+ * rotate image
+ *
+ * this function rotates the image according the
+ * specified angel.
+ */
private function rotateImage($img, $degrees)
{
- if(function_exists("imagerotate"))
+ if(function_exists("imagerotate")) {
$img = imagerotate($img, $degrees, 0);
- else
- {
+ } else {
function imagerotate($src_img, $angle)
{
$src_x = imagesx($src_img);
@@ -1036,7 +1281,9 @@ class PHPFSPOT {
}
break;
- default: $rotate = $src_img;
+ default:
+ $rotate = $src_img;
+ break;
};
return $rotate;
@@ -1051,6 +1298,9 @@ class PHPFSPOT {
} // rotateImage()
+ /**
+ * return all assigned tags for the specified photo
+ */
private function get_photo_tags($idx)
{
$result = $this->db->db_query("
@@ -1070,6 +1320,9 @@ class PHPFSPOT {
} // get_photo_tags()
+ /**
+ * create on-the-fly images with text within
+ */
public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
{
if (strlen($color) != 6)
@@ -1096,6 +1349,9 @@ class PHPFSPOT {
} // showTextImage()
+ /**
+ * check if all requirements are met
+ */
private function checkRequirements()
{
if(!function_exists("imagecreatefromjpeg")) {
@@ -1137,6 +1393,9 @@ class PHPFSPOT {
} // _debug()
+ /**
+ * check if specified MIME type is supported
+ */
public function checkifImageSupported($mime)
{
if(in_array($mime, Array("image/jpeg")))
@@ -1153,19 +1412,31 @@ class PHPFSPOT {
} // _warning()
+ /**
+ * 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");
- $output = "\n";
- $output.= "\n";
- $output.= "\n";
+ $output = "getPhotoSelection();
@@ -1281,6 +1554,9 @@ class PHPFSPOT {
} // getExport()
+ /**
+ * return all selected tags as one string
+ */
private function getCurrentTags()
{
$current_tags = "";
@@ -1293,6 +1569,9 @@ class PHPFSPOT {
} // getCurrentTags()
+ /**
+ * return the current photo
+ */
public function getCurrentPhoto()
{
if(isset($_SESSION['current_photo'])) {
@@ -1300,17 +1579,24 @@ class PHPFSPOT {
}
} // getCurrentPhoto()
+ /**
+ * tells the client browser what to do
+ *
+ * this function is getting called via AJAX by the
+ * client browsers. it will tell them what they have
+ * to do next. This is necessary for directly jumping
+ * into photo index or single photo view when the are
+ * requested with specific URLs
+ */
public function whatToDo()
{
- if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
- return "showpi_tags";
- }
- elseif(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
- return "showpi_date";
- }
- elseif(isset($_SESSION['current_photo'])) {
+ if(isset($_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['start_action']) && $_SESSION['start_action'] == 'showpi') {
return "showpi";
}
@@ -1319,6 +1605,9 @@ class PHPFSPOT {
} // whatToDo()
+ /**
+ * return the current process-user
+ */
private function getuid()
{
if($uid = posix_getuid()) {
@@ -1331,6 +1620,96 @@ class PHPFSPOT {
} // getuid()
+ /**
+ * returns a select-dropdown box to select photo index sort parameters
+ */
+ private function get_sort_field()
+ {
+ $output = "";
+ return $output;
+
+ } // get_sort_field()
+
+ /**
+ * returns the currently selected sort order
+ */
+ private function get_sort_order()
+ {
+ switch($_SESSION['sort_order']) {
+ case 'date_asc':
+ return " ORDER BY p.time ASC";
+ break;
+ case 'date_desc':
+ return " ORDER BY p.time DESC";
+ break;
+ case 'name_asc':
+ return " ORDER BY p.name ASC";
+ break;
+ case 'name_desc':
+ return " ORDER BY p.name DESC";
+ break;
+ }
+
+ } // get_sort_order()
+
+ public function getNextSlideShowImage()
+ {
+ $all_photos = $this->getPhotoSelection();
+
+ if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1)
+ $_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=". $this->cfg->photo_width;
+
+ } // getNextSlideShowImage()
+
+ public function resetSlideShow()
+ {
+ if(isset($_SESSION['slideshow_img']))
+ unset($_SESSION['slideshow_img']);
+ } // resetSlideShow()
+
+ /***
+ * get random photo
+ *
+ * this function will get all photos from the fspot
+ * database and randomly return ONE entry
+ *
+ * saddly there is yet no sqlite3 function which returns
+ * the bulk result in array, so we have to fill up our
+ * own here.
+ */
+ public function get_random_photo()
+ {
+ $all = Array();
+
+ $result = $this->db->db_query("
+ SELECT id
+ FROM photos
+ ");
+
+ while($row = $this->db->db_fetch_object($result)) {
+ array_push($all, $row[0]);
+ }
+
+ return array_rand($all);
+
+ } // get_random_photo()
+
}
?>