3 /***************************************************************************
5 * phpfspot, presents your F-Spot photo collection in Web browsers.
7 * Copyright (c) by Andreas Unterkircher
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 ***************************************************************************/
25 require_once "phpfspot_cfg.php";
26 require_once "phpfspot_db.php";
31 * this class contains the most functions which will to the major
39 * phpfspot configuration
47 * SQLite database handle to f-spot database
55 * SQLite database handle to phpfspot database
63 * Smarty template engine
64 * @link http://smarty.php.net smarty.php.net
65 * @see PHPFSPOT_TMPL()
79 * list of available, not-selected, tags
86 * true if runtime error occued
90 private $runtime_error = false;
93 * F-Spot database version
100 * class constructor ($cfg, $db, $cfg_db, $tmpl, $db_ver)
102 * this function will be called on class construct
103 * and will check requirements, loads configuration,
104 * open databases and start the user session
106 public function __construct()
109 * register PHPFSPOT class global
111 * @global PHPFSPOT $GLOBALS['phpfspot']
114 $GLOBALS['phpfspot'] =& $this;
116 $this->cfg = new PHPFSPOT_CFG;
118 /* verify config settings */
119 if($this->check_config_options()) {
123 /* set application name and version information */
124 $this->cfg->product = "phpfspot";
125 $this->cfg->version = "1.5";
127 $this->sort_orders= array(
128 'date_asc' => 'Date ↑',
129 'date_desc' => 'Date ↓',
130 'name_asc' => 'Name ↑',
131 'name_desc' => 'Name ↓',
132 'tags_asc' => 'Tags ↑',
133 'tags_desc' => 'Tags ↓',
136 /* Check necessary requirements */
137 if(!$this->check_requirements()) {
141 /******* Opening F-Spot's sqlite database *********/
143 /* Check if database file is writeable */
144 if(!is_writeable($this->cfg->fspot_db)) {
145 print "Error: ". $this->cfg->fspot_db ." is not writeable for user ". $this->getuid() .".\n";
146 print "Please fix permissions so phpfspot can create indices within the F-Spot database to"
147 ." speed up some database operations.\n";
151 /* open the database */
152 $this->db = new PHPFSPOT_DB($this, $this->cfg->fspot_db);
154 /* change sqlite temp directory, if requested */
155 if(isset($this->cfg->sqlite_temp_dir)) {
158 temp_store_directory = '". $this->cfg->sqlite_temp_dir ."'
162 /* get F-Spot database version */
163 $this->dbver = $this->getFspotDBVersion();
165 if(!is_writeable($this->cfg->base_path ."/templates_c")) {
166 print $this->cfg->base_path ."/templates_c: directory is not writeable for user ". $this->getuid() ."\n";
170 if(!is_writeable($this->cfg->thumb_path)) {
171 print $this->cfg->thumb_path .": directory is not writeable for user ". $this->getuid() ."\n";
175 /******* Opening phpfspot's sqlite database *********/
177 /* Check if directory where the database file is stored is writeable */
178 if(!is_writeable(dirname($this->cfg->phpfspot_db))) {
179 print "Error: ". dirname($this->cfg->phpfspot_db) .": directory is not writeable for user ". $this->getuid() .".\n";
180 print "Please fix permissions so phpfspot can create its own sqlite database to store some settings.\n";
184 /* Check if database file is writeable */
185 if(!is_writeable($this->cfg->phpfspot_db)) {
186 print "Error: ". $this->cfg->phpfspot_db ." is not writeable for user ". $this->getuid() .".\n";
187 print "Please fix permissions so phpfspot can create its own sqlite database to store some settings.\n";
191 /* open the database */
192 $this->cfg_db = new PHPFSPOT_DB($this, $this->cfg->phpfspot_db);
194 /* change sqlite temp directory, if requested */
195 if(isset($this->cfg->sqlite_temp_dir)) {
196 $this->cfg_db->db_exec("
198 temp_store_directory = '". $this->cfg->sqlite_temp_dir ."'
202 /* Check if some tables need to be created */
203 $this->check_config_table();
205 /* overload Smarty class with our own template handler */
206 require_once "phpfspot_tmpl.php";
207 $this->tmpl = new PHPFSPOT_TMPL();
209 $this->tmpl->assign('web_path', $this->cfg->web_path);
211 /* Starting with F-Spot 0.4.2, the rating-feature was available */
212 if($this->dbver > 10) {
213 $this->tmpl->assign('has_rating', true);
214 $this->sort_orders = array_merge($this->sort_orders, array(
215 'rate_asc' => 'Rate ↑',
216 'rate_desc' => 'Rate ↓',
220 /* check if all necessary indices exist */
221 $this->checkDbIndices();
223 /* if session is not yet started, do it now */
224 if(session_id() == "")
227 if(!isset($_SESSION['tag_condition']))
228 $_SESSION['tag_condition'] = 'or';
230 if(!isset($_SESSION['sort_order']))
231 $_SESSION['sort_order'] = 'date_desc';
233 if(!isset($_SESSION['searchfor_tag']))
234 $_SESSION['searchfor_tag'] = '';
236 // if begin_with is still set but thumbs_per_page is now 0, unset it
237 if(isset($_SESSION['begin_with']) && $this->cfg->thumbs_per_page == 0)
238 unset($_SESSION['begin_with']);
240 // if user-friendly-url's are enabled, set also a flag for the template handler
241 if($this->is_user_friendly_url()) {
242 $this->tmpl->assign('user_friendly_url', 'true');
247 public function __destruct()
253 * show - generate html output
255 * this function can be called after the constructor has
256 * prepared everyhing. it will load the index.tpl smarty
257 * template. if necessary it will registere pre-selects
258 * (photo index, photo, tag search, date search) into
261 public function show()
263 $this->tmpl->assign('searchfor_tag', $_SESSION['searchfor_tag']);
264 $this->tmpl->assign('page_title', $this->cfg->page_title);
265 $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
266 $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
269 if($this->is_user_friendly_url()) {
270 $content = $this->parse_user_friendly_url($_SERVER['REQUEST_URI']);
273 if(isset($_GET['mode'])) {
275 $_SESSION['start_action'] = $_GET['mode'];
277 switch($_GET['mode']) {
279 if(isset($_GET['tags'])) {
280 $_SESSION['selected_tags'] = $this->extractTags($_GET['tags']);
282 if(isset($_GET['from_date']) && $this->isValidDate($_GET['from_date'])) {
283 $_SESSION['from_date'] = strtotime($_GET['from_date'] ." 00:00:00");
285 if(isset($_GET['to_date']) && $this->isValidDate($_GET['to_date'])) {
286 $_SESSION['to_date'] = strtotime($_GET['to_date'] ." 23:59:59");
290 if(isset($_GET['tags'])) {
291 $_SESSION['selected_tags'] = $this->extractTags($_GET['tags']);
292 $_SESSION['start_action'] = 'showp';
294 if(isset($_GET['id']) && is_numeric($_GET['id'])) {
295 $_SESSION['current_photo'] = $_GET['id'];
296 $_SESSION['start_action'] = 'showp';
298 if(isset($_GET['from_date']) && $this->isValidDate($_GET['from_date'])) {
299 $_SESSION['from_date'] = strtotime($_GET['from_date'] ." 00:00:00");
301 if(isset($_GET['to_date']) && $this->isValidDate($_GET['to_date'])) {
302 $_SESSION['to_date'] = strtotime($_GET['to_date'] ." 23:59:59");
306 /* fetch export template */
307 print $this->tmpl->fetch("export.tpl");
308 /* no further execution necessary. */
312 /* fetch slideshow template */
313 print $this->tmpl->show("slideshow.tpl");
314 /* no further execution necessary. */
318 if(isset($_GET['tags'])) {
319 $_SESSION['selected_tags'] = $this->extractTags($_GET['tags']);
321 if(isset($_GET['from_date']) && $this->isValidDate($_GET['from_date'])) {
322 $_SESSION['from_date'] = strtotime($_GET['from_date'] ." 00:00:00");
324 if(isset($_GET['to_date']) && $this->isValidDate($_GET['to_date'])) {
325 $_SESSION['to_date'] = strtotime($_GET['to_date'] ." 23:59:59");
333 /* if date-search variables are registered in the session, set the check
334 for "consider date-range" in the html output
336 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date']))
337 $this->tmpl->assign('date_search_enabled', true);
339 /* if rate-search variables are registered in the session, set the check
340 for "consider rate-range" in the html output
342 if(isset($_SESSION['rate_from']) && isset($_SESSION['rate_to'])) {
343 $this->tmpl->assign('rate_search_enabled', true);
346 $this->tmpl->register_function("sort_select_list", array(&$this, "smarty_sort_select_list"), false);
347 $this->tmpl->assign('search_from_date', $this->get_date_text_field('from'));
348 $this->tmpl->assign('search_to_date', $this->get_date_text_field('to'));
350 $this->tmpl->assign('preset_selected_tags', $this->getSelectedTags());
351 $this->tmpl->assign('preset_available_tags', $this->getAvailableTags());
352 $this->tmpl->assign('rate_search', $this->get_rate_search());
354 /* if no site-content has been set yet... */
355 if(!isset($content)) {
356 /* if tags are already selected, we can immediately display photo-index */
357 if((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags']) &&
358 isset($_SESSION['start_action']) && $_SESSION['start_action'] != 'showp') ||
359 (isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi'))
360 $this->tmpl->assign('initial_content', $this->showPhotoIndex());
362 /* if a photo is already selected, we can immediately display single-photo */
363 if(isset($_SESSION['current_photo']) && !empty($_SESSION['current_photo']))
364 $this->tmpl->assign('initial_content', $this->showPhoto($_SESSION['current_photo']));
366 /* ok, then let us show the welcome page... */
367 $this->tmpl->assign('initial_content', $this->tmpl->fetch('welcome.tpl'));
372 $this->tmpl->assign('initial_content', $content);
374 $this->tmpl->show("index.tpl");
379 * get_tags - grab all tags of f-spot's database
381 * this function will get all available tags from
382 * the f-spot database and store them within two
383 * arrays within this class for later usage. in
384 * fact, if the user requests (hide_tags) it will
385 * opt-out some of them.
387 * this function is getting called once by show()
389 private function get_tags()
391 $this->avail_tags = Array();
394 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
397 DISTINCT t1.id as id, t1.name as name
400 INNER JOIN photo_tags
401 pt2 ON pt1.photo_id=pt2.photo_id
407 t2.name IN ('".implode("','",$this->cfg->show_tags)."')
409 t1.sort_priority ASC";
411 $result = $this->db->db_query($query_str);
415 $result = $this->db->db_query("
418 ORDER BY sort_priority ASC
422 while($row = $this->db->db_fetch_object($result)) {
424 $tag_id = $row['id'];
425 $tag_name = $row['name'];
427 /* if the user has specified to ignore this tag in phpfspot's
428 configuration, ignore it here so it does not get added to
431 if(in_array($row['name'], $this->cfg->hide_tags))
434 /* if you include the following if-clause and the user has specified
435 to only show certain tags which are specified in phpfspot's
436 configuration, ignore all others so they will not be added to the
438 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags) &&
439 !in_array($row['name'], $this->cfg->show_tags))
443 $this->tags[$tag_id] = $tag_name;
444 $this->avail_tags[$count] = $tag_id;
452 * extract all photo details
454 * retrieve all available details from f-spot's
455 * database and return them as object
456 * @param integer $idx
457 * @return object|null
459 public function get_photo_details($idx)
461 if($this->dbver < 9) {
463 SELECT p.id, p.name, p.time, p.directory_path, p.description
468 /* till F-Spot version 0.4.1 */
469 if($this->dbver < 11) {
471 SELECT p.id, p.uri, p.time, p.description
477 SELECT p.id, p.uri, p.time, p.description, p.rating
483 /* if show_tags is set, only return details for photos which
484 are specified to be shown
486 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
488 INNER JOIN photo_tags pt
492 WHERE p.id='". $idx ."'
493 AND t.name IN ('".implode("','",$this->cfg->show_tags)."')";
497 WHERE p.id='". $idx ."'
501 if($result = $this->db->db_query($query_str)) {
503 $row = $this->db->db_fetch_object($result);
505 if($this->dbver < 9) {
506 $row['uri'] = "file://". $row['directory_path'] ."/". $row['name'];
515 } // get_photo_details
518 * returns aligned photo names
520 * this function returns aligned (length) names for
521 * an specific photo. If the length of the name exceeds
522 * $limit the name will be shrinked (...)
523 * @param integer $idx
524 * @param integer $limit
525 * @return string|null
527 public function getPhotoName($idx, $limit = 0)
529 if($details = $this->get_photo_details($idx)) {
530 if($long_name = $this->parse_uri($details['uri'], 'filename')) {
531 $name = $this->shrink_text($long_name, $limit);
541 * get photo rating level
543 * this function will return the integer-based rating
544 * level of the photo. This can only be done, if the F-Spot
545 * database is at a specific level. If rating value can not
546 * be found, zero will be returned indicating no rating value
551 public function get_photo_rating($idx)
553 if($detail = $this->get_photo_details($idx)) {
554 if(isset($detail['rating']))
555 return $detail['rating'];
560 } // get_photo_rating()
563 * get rate-search bars
565 * this function will return the rating-bars for the
569 public function get_rate_search()
573 for($i = 1; $i <= 5; $i++) {
575 $bar.= "<img id=\"rate_from_". $i ."\" src=\"";
577 if(isset($_SESSION['rate_from']) && $i <= $_SESSION['rate_from'])
578 $bar.= $this->cfg->web_path ."/resources/star.png";
580 $bar.= $this->cfg->web_path ."/resources/empty_rate.png";
583 onmouseover=\"show_rate('from', ". $i .");\"
584 onmouseout=\"reset_rate('from');\"
585 onclick=\"set_rate('from', ". $i .")\" />";
590 for($i = 1; $i <= 5; $i++) {
592 $bar.= "<img id=\"rate_to_". $i ."\" src=\"";
594 if(isset($_SESSION['rate_to']) && $i <= $_SESSION['rate_to'])
595 $bar.= $this->cfg->web_path ."/resources/star.png";
597 $bar.= $this->cfg->web_path ."/resources/empty_rate.png";
600 onmouseover=\"show_rate('to', ". $i .");\"
601 onmouseout=\"reset_rate('to');\"
602 onclick=\"set_rate('to', ". $i .");\" />";
607 } // get_rate_search()
610 * shrink text according provided limit
612 * If the length of the name exceeds $limit the
613 * text will be shortend and some content in between
614 * will be replaced with "..."
616 * @param integer $limit
619 private function shrink_text($text, $limit)
621 if($limit != 0 && strlen($text) > $limit) {
622 $text = substr($text, 0, $limit-5) ."...". substr($text, -($limit-5));
630 * translate f-spoth photo path
632 * as the full-qualified path recorded in the f-spot database
633 * is usally not the same as on the webserver, this function
634 * will replace the path with that one specified in the cfg
635 * @param string $path
638 public function translate_path($path)
640 return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
645 * control HTML ouput for a single photo
647 * this function provides all the necessary information
648 * for the single photo template.
649 * @param integer photo
651 public function showPhoto($photo)
653 /* get all photos from the current photo selection */
654 $all_photos = $this->getPhotoSelection();
655 $count = count($all_photos);
657 for($i = 0; $i < $count; $i++) {
659 // $get_next will be set, when the photo which has to
660 // be displayed has been found - this means that the
661 // next available is in fact the NEXT image (for the
663 if(isset($get_next)) {
664 $next_img = $all_photos[$i];
668 /* the next photo is our NEXT photo */
669 if($all_photos[$i] == $photo) {
673 $previous_img = $all_photos[$i];
676 if($photo == $all_photos[$i]) {
681 $details = $this->get_photo_details($photo);
688 $orig_path = $this->translate_path($this->parse_uri($details['uri'], 'fullpath'));
689 $thumb_path = $this->get_thumb_path($this->cfg->photo_width, $photo);
691 if(!file_exists($orig_path)) {
692 $this->_error("Photo ". $orig_path ." does not exist!<br />\n");
696 if(!is_readable($orig_path)) {
697 $this->_error("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
701 /* If the thumbnail doesn't exist yet, try to create it */
702 if(!file_exists($thumb_path)) {
703 $this->gen_thumb($photo, true);
704 $thumb_path = $this->get_thumb_path($this->cfg->photo_width, $photo);
707 /* get mime-type, height and width from the original photo */
708 $info = getimagesize($orig_path);
710 /* get EXIF information if JPEG */
711 if(isset($info['mime']) && $info['mime'] == "image/jpeg") {
712 $meta = $this->get_meta_informations($orig_path);
715 /* If EXIF data are available, use them */
716 if(isset($meta['ExifImageWidth'])) {
717 $meta_res = $meta['ExifImageWidth'] ."x". $meta['ExifImageLength'];
719 $meta_res = $info[0] ."x". $info[1];
722 $meta_date = isset($meta['FileDateTime']) ? strftime("%a %x %X", $meta['FileDateTime']) : "n/a";
723 $meta_make = isset($meta['Make']) ? $meta['Make'] ." / ". $meta['Model'] : "n/a";
724 $meta_size = isset($meta['FileSize']) ? round($meta['FileSize']/1024, 1) ."kbyte" : "n/a";
726 $extern_link = "index.php?mode=showp&id=". $photo;
727 $current_tags = $this->getCurrentTags();
728 if($current_tags != "") {
729 $extern_link.= "&tags=". $current_tags;
731 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
732 $extern_link.= "&from_date=". $this->ts2str($_SESSION['from_date']) ."&to_date=". $this->ts2str($_SESSION['to_date']);
735 $this->tmpl->assign('extern_link', $extern_link);
737 if(!file_exists($thumb_path)) {
738 $this->_error("Can't open file ". $thumb_path ."\n");
742 $info_thumb = getimagesize($thumb_path);
744 $this->tmpl->assign('description', $details['description']);
745 $this->tmpl->assign('image_name', $this->parse_uri($details['uri'], 'filename'));
746 $this->tmpl->assign('image_rating', $this->get_photo_rating($photo));
748 $this->tmpl->assign('width', $info_thumb[0]);
749 $this->tmpl->assign('height', $info_thumb[1]);
750 $this->tmpl->assign('ExifMadeOn', $meta_date);
751 $this->tmpl->assign('ExifMadeWith', $meta_make);
752 $this->tmpl->assign('ExifOrigResolution', $meta_res);
753 $this->tmpl->assign('ExifFileSize', $meta_size);
755 if($this->is_user_friendly_url()) {
756 $this->tmpl->assign('image_url', '/photo/'. $photo ."/". $this->cfg->photo_width);
757 $this->tmpl->assign('image_url_full', '/photo/'. $photo);
760 $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
761 $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
764 $this->tmpl->assign('image_filename', $this->parse_uri($details['uri'], 'filename'));
766 $this->tmpl->assign('tags', $this->get_photo_tags($photo));
767 $this->tmpl->assign('current_page', $this->getCurrentPage($current, $count));
768 $this->tmpl->assign('current_img', $photo);
770 if(isset($previous_img)) {
771 $this->tmpl->assign('previous_url', "javascript:showPhoto(". $previous_img .");");
772 $this->tmpl->assign('prev_img', $previous_img);
775 if(isset($next_img)) {
776 $this->tmpl->assign('next_url', "javascript:showPhoto(". $next_img .");");
777 $this->tmpl->assign('next_img', $next_img);
780 $this->tmpl->assign('mini_width', $this->cfg->mini_width);
781 $this->tmpl->assign('photo_width', $this->cfg->photo_width);
782 $this->tmpl->assign('photo_number', $i);
783 $this->tmpl->assign('photo_count', count($all_photos));
785 return $this->tmpl->fetch("single_photo.tpl");
790 * all available tags and tag cloud
792 * this function outputs all available tags (time ordered)
793 * and in addition output them as tag cloud (tags which have
794 * many photos will appears more then others)
796 public function getAvailableTags()
798 /* retrive tags from database */
803 $result = $this->db->db_query("
804 SELECT tag_id as id, count(tag_id) as quantity
814 while($row = $this->db->db_fetch_object($result)) {
815 $tags[$row['id']] = $row['quantity'];
818 // change these font sizes if you will
819 $max_size = 125; // max font size in %
820 $min_size = 75; // min font size in %
823 $max_sat = hexdec('cc');
824 $min_sat = hexdec('44');
826 // get the largest and smallest array values
827 $max_qty = max(array_values($tags));
828 $min_qty = min(array_values($tags));
830 // find the range of values
831 $spread = $max_qty - $min_qty;
832 if (0 == $spread) { // we don't want to divide by zero
836 // determine the font-size increment
837 // this is the increase per tag quantity (times used)
838 $step = ($max_size - $min_size)/($spread);
839 $step_sat = ($max_sat - $min_sat)/($spread);
841 // loop through our tag array
842 foreach ($tags as $key => $value) {
844 if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
847 // calculate CSS font-size
848 // find the $value in excess of $min_qty
849 // multiply by the font-size increment ($size)
850 // and add the $min_size set above
851 $size = $min_size + (($value - $min_qty) * $step);
852 // uncomment if you want sizes in whole %:
855 $color = $min_sat + ($value - $min_qty) * $step_sat;
861 if(isset($this->tags[$key])) {
862 if($this->is_user_friendly_url())
863 $output.= "<a href=\"". $this->cfg->web_path ."/tag/". $key ."\" onclick=\"Tags('add', ". $key ."); return false;\" class=\"tag\" style=\"font-size: ". $size ."%; color: #". $r.$g.$b .";\">". $this->tags[$key] ."</a>, ";
865 $output.= "<a href=\"". $this->cfg->web_path ."/index.php?mode=showpi\" onclick=\"Tags('add', ". $key ."); return false;\" class=\"tag\" style=\"font-size: ". $size ."%; color: #". $r.$g.$b .";\">". $this->tags[$key] ."</a>, ";
869 $output = substr($output, 0, strlen($output)-2);
872 } // getAvailableTags()
875 * output all selected tags
877 * this function output all tags which have been selected
878 * by the user. the selected tags are stored in the
879 * session-variable $_SESSION['selected_tags']
882 public function getSelectedTags($type = 'link')
884 /* retrive tags from database */
889 foreach($this->avail_tags as $tag)
891 // return all selected tags
892 if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
897 $output.= "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>, ";
901 <div class=\"tagresulttag\">
902 <a href=\"javascript:Tags('del', ". $tag .");\" title=\"". $this->tags[$tag] ."\">
903 <img src=\"". $this->cfg->web_path ."/phpfspot_img.php?tagidx=". $tag ."\" />
913 $output = substr($output, 0, strlen($output)-2);
917 return "no tags selected";
920 } // getSelectedTags()
923 * add tag to users session variable
925 * this function will add the specified to users current
926 * tag selection. if a date search has been made before
927 * it will be now cleared
930 public function addTag($tag)
932 if(!isset($_SESSION['selected_tags']))
933 $_SESSION['selected_tags'] = Array();
935 if(isset($_SESSION['searchfor_tag']))
936 unset($_SESSION['searchfor_tag']);
938 // has the user requested to hide this tag, and still someone,
939 // somehow tries to add it, don't allow this.
940 if(!isset($this->cfg->hide_tags) &&
941 in_array($this->get_tag_name($tag), $this->cfg->hide_tags))
944 if(!in_array($tag, $_SESSION['selected_tags']))
945 array_push($_SESSION['selected_tags'], $tag);
952 * remove tag to users session variable
954 * this function removes the specified tag from
955 * users current tag selection
959 public function delTag($tag)
961 if(isset($_SESSION['searchfor_tag']))
962 unset($_SESSION['searchfor_tag']);
964 if(isset($_SESSION['selected_tags'])) {
965 $key = array_search($tag, $_SESSION['selected_tags']);
966 unset($_SESSION['selected_tags'][$key]);
967 sort($_SESSION['selected_tags']);
975 * reset tag selection
977 * if there is any tag selection, it will be
980 public function resetTags()
982 if(isset($_SESSION['selected_tags']))
983 unset($_SESSION['selected_tags']);
988 * returns the value for the autocomplete tag-search
991 public function get_xml_tag_list()
993 if(!isset($_GET['search']) || !is_string($_GET['search']))
994 $_GET['search'] = '';
999 /* retrive tags from database */
1002 $matched_tags = Array();
1004 header("Content-Type: text/xml");
1006 $string = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n";
1007 $string.= "<results>\n";
1009 foreach($this->avail_tags as $tag)
1011 if(!empty($_GET['search']) &&
1012 preg_match("/". $_GET['search'] ."/i", $this->tags[$tag]) &&
1013 count($matched_tags) < $length) {
1015 $count = $this->get_num_photos($tag);
1018 $string.= " <rs id=\"". $i ."\" info=\"". $count ." photo\">". $this->tags[$tag] ."</rs>\n";
1021 $string.= " <rs id=\"". $i ."\" info=\"". $count ." photos\">". $this->tags[$tag] ."</rs>\n";
1027 /* if we have collected enough items, break out */
1028 if(count($matched_tags) >= $length)
1032 $string.= "</results>\n";
1036 } // get_xml_tag_list()
1040 * reset single photo
1042 * if a specific photo was requested (external link)
1043 * unset the session variable now
1045 public function resetPhotoView()
1047 if(isset($_SESSION['current_photo']))
1048 unset($_SESSION['current_photo']);
1050 } // resetPhotoView();
1055 * if any tag search has taken place, reset it now
1057 public function resetTagSearch()
1059 if(isset($_SESSION['searchfor_tag']))
1060 unset($_SESSION['searchfor_tag']);
1062 } // resetTagSearch()
1067 * if any name search has taken place, reset it now
1069 public function resetNameSearch()
1071 if(isset($_SESSION['searchfor_name']))
1072 unset($_SESSION['searchfor_name']);
1074 } // resetNameSearch()
1079 * if any date search has taken place, reset it now.
1081 public function resetDateSearch()
1083 if(isset($_SESSION['from_date']))
1084 unset($_SESSION['from_date']);
1085 if(isset($_SESSION['to_date']))
1086 unset($_SESSION['to_date']);
1088 } // resetDateSearch();
1093 * if any rate search has taken place, reset it now.
1095 public function resetRateSearch()
1097 if(isset($_SESSION['rate_from']))
1098 unset($_SESSION['rate_from']);
1099 if(isset($_SESSION['rate_to']))
1100 unset($_SESSION['rate_to']);
1102 } // resetRateSearch();
1105 * return all photo according selection
1107 * this function returns all photos based on
1108 * the tag-selection, tag- or date-search.
1109 * the tag-search also has to take care of AND
1110 * and OR conjunctions
1113 public function getPhotoSelection()
1115 $matched_photos = Array();
1116 $additional_where_cond = "";
1118 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
1119 $from_date = $_SESSION['from_date'];
1120 $to_date = $_SESSION['to_date'];
1121 $additional_where_cond.= "
1122 p.time>='". $from_date ."'
1124 p.time<='". $to_date ."'
1128 if(isset($_SESSION['searchfor_name'])) {
1130 /* check for previous conditions. if so add 'AND' */
1131 if(!empty($additional_where_cond)) {
1132 $additional_where_cond.= " AND ";
1135 if($this->dbver < 9) {
1136 $additional_where_cond.= "
1138 p.name LIKE '%". $_SESSION['searchfor_name'] ."%'
1140 p.description LIKE '%". $_SESSION['searchfor_name'] ."%'
1145 $additional_where_cond.= "
1147 basename(p.uri) LIKE '%". $_SESSION['searchfor_name'] ."%'
1149 p.description LIKE '%". $_SESSION['searchfor_name'] ."%'
1155 /* limit result based on rate-search */
1156 if(isset($_SESSION['rate_from']) && isset($_SESSION['rate_to'])) {
1158 if($this->dbver > 10) {
1160 /* check for previous conditions. if so add 'AND' */
1161 if(!empty($additional_where_cond)) {
1162 $additional_where_cond.= " AND ";
1165 $additional_where_cond.= "
1166 p.rating >= ". $_SESSION['rate_from'] ."
1168 p.rating <= ". $_SESSION['rate_to'] ."
1173 if(isset($_SESSION['sort_order'])) {
1174 $order_str = $this->get_sort_order();
1177 /* return a search result */
1178 if(isset($_SESSION['searchfor_tag']) && $_SESSION['searchfor_tag'] != '') {
1180 SELECT DISTINCT pt1.photo_id
1182 INNER JOIN photo_tags pt2
1183 ON pt1.photo_id=pt2.photo_id
1187 ON pt1.photo_id=p.id
1190 WHERE t.name LIKE '%". $_SESSION['searchfor_tag'] ."%' ";
1192 if(!empty($additional_where_cond))
1193 $query_str.= "AND ". $additional_where_cond ." ";
1195 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
1196 $query_str.= "AND t2.name IN ('".implode("','",$this->cfg->show_tags)."')";
1199 if(isset($order_str))
1200 $query_str.= $order_str;
1202 $result = $this->db->db_query($query_str);
1203 while($row = $this->db->db_fetch_object($result)) {
1204 array_push($matched_photos, $row['photo_id']);
1206 return $matched_photos;
1209 /* return according the selected tags */
1210 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
1212 foreach($_SESSION['selected_tags'] as $tag)
1213 $selected.= $tag .",";
1214 $selected = substr($selected, 0, strlen($selected)-1);
1216 /* photo has to match at least on of the selected tags */
1217 if($_SESSION['tag_condition'] == 'or') {
1219 SELECT DISTINCT pt1.photo_id
1221 INNER JOIN photo_tags pt2
1222 ON pt1.photo_id=pt2.photo_id
1226 ON pt1.photo_id=p.id
1227 WHERE pt1.tag_id IN (". $selected .")
1229 if(!empty($additional_where_cond))
1230 $query_str.= "AND ". $additional_where_cond ." ";
1232 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
1233 $query_str.= "AND t.name IN ('".implode("','",$this->cfg->show_tags)."')";
1236 if(isset($order_str))
1237 $query_str.= $order_str;
1239 /* photo has to match all selected tags */
1240 elseif($_SESSION['tag_condition'] == 'and') {
1242 if(count($_SESSION['selected_tags']) >= 32) {
1243 print "A SQLite limit of 32 tables within a JOIN SELECT avoids to<br />\n";
1244 print "evaluate your tag selection. Please remove some tags from your selection.\n";
1248 /* Join together a table looking like
1250 pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
1252 so the query can quickly return all images matching the
1253 selected tags in an AND condition
1258 SELECT DISTINCT pt1.photo_id
1262 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
1269 for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
1271 INNER JOIN photo_tags pt". ($i+2) ."
1272 ON pt1.photo_id=pt". ($i+2) .".photo_id
1277 ON pt1.photo_id=p.id
1279 $query_str.= "WHERE pt2.tag_id=". $_SESSION['selected_tags'][0]." ";
1280 for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
1282 AND pt". ($i+2) .".tag_id=". $_SESSION['selected_tags'][$i] ."
1285 if(!empty($additional_where_cond))
1286 $query_str.= "AND ". $additional_where_cond;
1288 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
1289 $query_str.= "AND t.name IN ('".implode("','",$this->cfg->show_tags). "')";
1292 if(isset($order_str))
1293 $query_str.= $order_str;
1297 $result = $this->db->db_query($query_str);
1298 while($row = $this->db->db_fetch_object($result)) {
1299 array_push($matched_photos, $row['photo_id']);
1301 return $matched_photos;
1304 /* return all available photos */
1306 SELECT DISTINCT p.id
1308 LEFT JOIN photo_tags pt
1314 if(!empty($additional_where_cond))
1315 $query_str.= "WHERE ". $additional_where_cond ." ";
1317 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
1318 if(!empty($additional_where_cond))
1319 $query_str.= "AND t.name IN ('".implode("','",$this->cfg->show_tags). "')";
1321 $query_str.= "WHERE t.name IN ('".implode("','",$this->cfg->show_tags). "')";
1324 if(isset($order_str))
1325 $query_str.= $order_str;
1327 $result = $this->db->db_query($query_str);
1328 while($row = $this->db->db_fetch_object($result)) {
1329 array_push($matched_photos, $row['id']);
1331 return $matched_photos;
1333 } // getPhotoSelection()
1336 * control HTML ouput for photo index
1338 * this function provides all the necessary information
1339 * for the photo index template.
1342 public function showPhotoIndex()
1344 $photos = $this->getPhotoSelection();
1345 $current_tags = $this->getCurrentTags();
1347 $count = count($photos);
1349 /* if all thumbnails should be shown on one page */
1350 if(!isset($this->cfg->thumbs_per_page) || $this->cfg->thumbs_per_page == 0) {
1354 /* thumbnails should be splitted up in several pages */
1355 elseif($this->cfg->thumbs_per_page > 0) {
1357 if(!isset($_SESSION['begin_with']) || $_SESSION['begin_with'] == 0) {
1361 $begin_with = $_SESSION['begin_with'];
1364 $end_with = $begin_with + $this->cfg->thumbs_per_page;
1368 $images[$thumbs] = Array();
1369 $img_height[$thumbs] = Array();
1370 $img_width[$thumbs] = Array();
1371 $img_id[$thumbs] = Array();
1372 $img_name[$thumbs] = Array();
1373 $img_fullname[$thumbs] = Array();
1374 $img_title = Array();
1375 $img_rating = Array();
1377 for($i = $begin_with; $i < $end_with; $i++) {
1379 if(isset($photos[$i])) {
1381 $images[$thumbs] = $photos[$i];
1382 $img_id[$thumbs] = $i;
1383 $img_name[$thumbs] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
1384 $img_fullname[$thumbs] = htmlspecialchars($this->getPhotoName($photos[$i], 0));
1385 $img_title[$thumbs] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
1386 $img_rating[$thumbs] = $this->get_photo_rating($photos[$i]);
1388 $thumb_path = $this->get_thumb_path($this->cfg->thumb_width, $photos[$i]);
1390 if(file_exists($thumb_path)) {
1391 $info = getimagesize($thumb_path);
1392 $img_width[$thumbs] = $info[0];
1393 $img_height[$thumbs] = $info[1];
1399 // +1 for for smarty's selection iteration
1402 if(isset($_SESSION['searchfor_tag']) && $_SESSION['searchfor_tag'] != '')
1403 $this->tmpl->assign('searchfor_tag', $_SESSION['searchfor_tag']);
1405 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
1406 $this->tmpl->assign('from_date', $this->ts2str($_SESSION['from_date']));
1407 $this->tmpl->assign('to_date', $this->ts2str($_SESSION['to_date']));
1410 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
1411 $this->tmpl->assign('tag_result', 1);
1414 /* do we have to display the page selector ? */
1415 if($this->cfg->thumbs_per_page != 0) {
1419 /* calculate the page switchers */
1420 $previous_start = $begin_with - $this->cfg->thumbs_per_page;
1421 $next_start = $begin_with + $this->cfg->thumbs_per_page;
1423 if($begin_with != 0)
1424 $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");");
1425 if($end_with < $count)
1426 $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");");
1428 $photo_per_page = $this->cfg->thumbs_per_page;
1429 $last_page = ceil($count / $photo_per_page);
1431 /* get the current selected page */
1432 if($begin_with == 0) {
1436 for($i = $begin_with; $i >= 0; $i-=$photo_per_page) {
1443 for($i = 1; $i <= $last_page; $i++) {
1445 if($current_page == $i)
1446 $style = "style=\"font-size: 125%; text-decoration: underline;\"";
1447 elseif($current_page-1 == $i || $current_page+1 == $i)
1448 $style = "style=\"font-size: 105%;\"";
1449 elseif(($current_page-5 >= $i) && ($i != 1) ||
1450 ($current_page+5 <= $i) && ($i != $last_page))
1451 $style = "style=\"font-size: 75%;\"";
1455 $start_with = ($i*$photo_per_page)-$photo_per_page;
1457 if($this->is_user_friendly_url()) {
1458 $select = "<a href=\"". $this->cfg->web_path ."/tag/205/". $start_with ."\"";
1461 $select = "<a href=\"". $this->cfg->web_path ."/index.php?mode=showpi tags=". $current_tags ." begin_with=". $begin_with ."\"";
1463 $select.= " onclick=\"showPhotoIndex(". $start_with ."); return false;\"";
1467 $select.= ">". $i ."</a> ";
1469 // until 9 pages we show the selector from 1-9
1470 if($last_page <= 9) {
1471 $page_select.= $select;
1474 if($i == 1 /* first page */ ||
1475 $i == $last_page /* last page */ ||
1476 $i == $current_page /* current page */ ||
1477 $i == ceil($last_page * 0.25) /* first quater */ ||
1478 $i == ceil($last_page * 0.5) /* half */ ||
1479 $i == ceil($last_page * 0.75) /* third quater */ ||
1480 (in_array($i, array(1,2,3,4,5,6)) && $current_page <= 4) /* the first 6 */ ||
1481 (in_array($i, array($last_page, $last_page-1, $last_page-2, $last_page-3, $last_page-4, $last_page-5)) && $current_page >= $last_page-4) /* the last 6 */ ||
1482 $i == $current_page-3 || $i == $current_page-2 || $i == $current_page-1 /* three before */ ||
1483 $i == $current_page+3 || $i == $current_page+2 || $i == $current_page+1 /* three after */) {
1485 $page_select.= $select;
1493 $page_select.= "......... ";
1498 /* only show the page selector if we have more then one page */
1500 $this->tmpl->assign('page_selector', $page_select);
1503 $extern_link = "index.php?mode=showpi";
1504 $rss_link = "index.php?mode=rss";
1505 if($current_tags != "") {
1506 $extern_link.= "&tags=". $current_tags;
1507 $rss_link.= "&tags=". $current_tags;
1509 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
1510 $extern_link.= "&from_date=". $this->ts2str($_SESSION['from_date']) ."&to_date=". $this->ts2str($_SESSION['to_date']);
1511 $rss_link.= "&from_date=". $this->ts2str($_SESSION['from_date']) ."&to_date=". $this->ts2str($_SESSION['to_date']);
1514 $export_link = "index.php?mode=export";
1515 $slideshow_link = "index.php?mode=slideshow";
1517 $this->tmpl->assign('extern_link', $extern_link);
1518 $this->tmpl->assign('slideshow_link', $slideshow_link);
1519 $this->tmpl->assign('export_link', $export_link);
1520 $this->tmpl->assign('rss_link', $rss_link);
1521 $this->tmpl->assign('count', $count);
1522 $this->tmpl->assign('width', $this->cfg->thumb_width);
1523 $this->tmpl->assign('preview_width', $this->cfg->photo_width);
1524 $this->tmpl->assign('thumb_container_width', $this->cfg->thumb_width);
1525 $this->tmpl->assign('thumb_container_height', $this->cfg->thumb_height+20);
1526 $this->tmpl->assign('images', $images);
1527 $this->tmpl->assign('img_width', $img_width);
1528 $this->tmpl->assign('img_height', $img_height);
1529 $this->tmpl->assign('img_id', $img_id);
1530 $this->tmpl->assign('img_name', $img_name);
1531 $this->tmpl->assign('img_fullname', $img_fullname);
1532 $this->tmpl->assign('img_title', $img_title);
1533 $this->tmpl->assign('img_rating', $img_rating);
1534 $this->tmpl->assign('thumbs', $thumbs);
1535 $this->tmpl->assign('selected_tags', $this->getSelectedTags('img'));
1537 $result = $this->tmpl->fetch("photo_index.tpl");
1539 /* if we are returning to photo index from an photo-view,
1540 scroll the window to the last shown photo-thumbnail.
1541 after this, unset the last_photo session variable.
1543 if(isset($_SESSION['last_photo'])) {
1544 $result.= "<script language=\"JavaScript\">moveToThumb(". $_SESSION['last_photo'] .");</script>\n";
1545 unset($_SESSION['last_photo']);
1550 } // showPhotoIndex()
1553 * show credit template
1555 public function showCredits()
1557 $this->tmpl->assign('version', $this->cfg->version);
1558 $this->tmpl->assign('product', $this->cfg->product);
1559 $this->tmpl->assign('db_version', $this->dbver);
1560 $this->tmpl->show("credits.tpl");
1565 * create thumbnails for the requested width
1567 * this function creates image thumbnails of $orig_image
1568 * stored as $thumb_image. It will check if the image is
1569 * in a supported format, if necessary rotate the image
1570 * (based on EXIF orientation meta headers) and re-sizing.
1571 * @param string $orig_image
1572 * @param string $thumb_image
1573 * @param integer $width
1576 public function create_thumbnail($orig_image, $thumb_image, $width)
1578 if(!file_exists($orig_image)) {
1582 $mime = $this->get_mime_info($orig_image);
1584 /* check if original photo is a support image type */
1585 if(!$this->checkifImageSupported($mime))
1592 $meta = $this->get_meta_informations($orig_image);
1598 if(isset($meta['Orientation'])) {
1599 switch($meta['Orientation']) {
1600 case 1: /* top, left */
1601 /* nothing to do */ break;
1602 case 2: /* top, right */
1603 $rotate = 0; $flip_hori = true; break;
1604 case 3: /* bottom, left */
1605 $rotate = 180; break;
1606 case 4: /* bottom, right */
1607 $flip_vert = true; break;
1608 case 5: /* left side, top */
1609 $rotate = 90; $flip_vert = true; break;
1610 case 6: /* right side, top */
1611 $rotate = 90; break;
1612 case 7: /* left side, bottom */
1613 $rotate = 270; $flip_vert = true; break;
1614 case 8: /* right side, bottom */
1615 $rotate = 270; break;
1619 $src_img = @imagecreatefromjpeg($orig_image);
1625 $src_img = @imagecreatefrompng($orig_image);
1629 case 'image/x-portable-pixmap':
1631 $src_img = new Imagick($orig_image);
1632 $handler = "imagick";
1637 if(!isset($src_img) || empty($src_img)) {
1638 print "Can't load image from ". $orig_image ."\n";
1646 /* grabs the height and width */
1647 $cur_width = imagesx($src_img);
1648 $cur_height = imagesy($src_img);
1650 // If requested width is more then the actual image width,
1651 // do not generate a thumbnail, instead safe the original
1652 // as thumbnail but with lower quality. But if the image
1653 // is to heigh too, then we still have to resize it.
1654 if($width >= $cur_width && $cur_height < $this->cfg->thumb_height) {
1655 $result = imagejpeg($src_img, $thumb_image, 75);
1656 imagedestroy($src_img);
1663 $cur_width = $src_img->getImageWidth();
1664 $cur_height = $src_img->getImageHeight();
1666 // If requested width is more then the actual image width,
1667 // do not generate a thumbnail, instead safe the original
1668 // as thumbnail but with lower quality. But if the image
1669 // is to heigh too, then we still have to resize it.
1670 if($width >= $cur_width && $cur_height < $this->cfg->thumb_height) {
1671 $src_img->setCompressionQuality(75);
1672 $src_img->setImageFormat('jpeg');
1673 $src_img->writeImage($thumb_image);
1675 $src_img->destroy();
1682 // If the image will be rotate because EXIF orientation said so
1683 // 'virtually rotate' the image for further calculations
1684 if($rotate == 90 || $rotate == 270) {
1686 $cur_width = $cur_height;
1690 /* calculates aspect ratio */
1691 $aspect_ratio = $cur_height / $cur_width;
1694 if($aspect_ratio < 1) {
1696 $new_h = abs($new_w * $aspect_ratio);
1698 /* 'virtually' rotate the image and calculate it's ratio */
1699 $tmp_w = $cur_height;
1700 $tmp_h = $cur_width;
1701 /* now get the ratio from the 'rotated' image */
1702 $tmp_ratio = $tmp_h/$tmp_w;
1703 /* now calculate the new dimensions */
1705 $tmp_h = abs($tmp_w * $tmp_ratio);
1707 // now that we know, how high they photo should be, if it
1708 // gets rotated, use this high to scale the image
1710 $new_w = abs($new_h / $aspect_ratio);
1712 // If the image will be rotate because EXIF orientation said so
1713 // now 'virtually rotate' back the image for the image manipulation
1714 if($rotate == 90 || $rotate == 270) {
1725 /* creates new image of that size */
1726 $dst_img = imagecreatetruecolor($new_w, $new_h);
1728 imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
1730 /* copies resized portion of original image into new image */
1731 imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, imagesx($src_img), imagesy($src_img));
1733 /* needs the image to be flipped horizontal? */
1735 $this->_debug("(FLIP)");
1736 $dst_img = $this->flipImage($dst_img, 'hori');
1738 /* needs the image to be flipped vertical? */
1740 $this->_debug("(FLIP)");
1741 $dst_img = $this->flipImage($dst_img, 'vert');
1745 $this->_debug("(ROTATE)");
1746 $dst_img = $this->rotateImage($dst_img, $rotate);
1749 /* write down new generated file */
1750 $result = imagejpeg($dst_img, $thumb_image, 75);
1752 /* free your mind */
1753 imagedestroy($dst_img);
1754 imagedestroy($src_img);
1756 if($result === false) {
1757 print "Can't write thumbnail ". $thumb_image ."\n";
1767 $src_img->resizeImage($new_w, $new_h, Imagick::FILTER_LANCZOS, 1);
1769 /* needs the image to be flipped horizontal? */
1771 $this->_debug("(FLIP)");
1772 $src_img->rotateImage(new ImagickPixel(), 90);
1773 $src_img->flipImage();
1774 $src_img->rotateImage(new ImagickPixel(), -90);
1776 /* needs the image to be flipped vertical? */
1778 $this->_debug("(FLIP)");
1779 $src_img->flipImage();
1783 $this->_debug("(ROTATE)");
1784 $src_img->rotateImage(new ImagickPixel(), $rotate);
1787 $src_img->setCompressionQuality(75);
1788 $src_img->setImageFormat('jpeg');
1790 if(!$src_img->writeImage($thumb_image)) {
1791 print "Can't write thumbnail ". $thumb_image ."\n";
1796 $src_img->destroy();
1803 } // create_thumbnail()
1806 * return all exif meta data from the file
1807 * @param string $file
1810 public function get_meta_informations($file)
1812 return exif_read_data($file);
1814 } // get_meta_informations()
1817 * create phpfspot own sqlite database
1819 * this function creates phpfspots own sqlite database
1820 * if it does not exist yet. this own is used to store
1821 * some necessary informations (md5 sum's, ...).
1823 public function check_config_table()
1825 // if the config table doesn't exist yet, create it
1826 if(!$this->cfg_db->db_check_table_exists("images")) {
1827 $this->cfg_db->db_exec("
1828 CREATE TABLE images (
1829 img_idx int primary key,
1835 } // check_config_table
1838 * Generates a thumbnail from photo idx
1840 * This function will generate JPEG thumbnails from provided F-Spot photo
1843 * 1. Check if all thumbnail generations (width) are already in place and
1845 * 2. Check if the md5sum of the original file has changed
1846 * 3. Generate the thumbnails if needed
1847 * @param integer $idx
1848 * @param integer $force
1849 * @param boolean $overwrite
1851 public function gen_thumb($idx = 0, $force = 0, $overwrite = false)
1855 $resolutions = Array(
1856 $this->cfg->thumb_width,
1857 $this->cfg->photo_width,
1858 $this->cfg->mini_width,
1862 /* get details from F-Spot's database */
1863 $details = $this->get_photo_details($idx);
1865 /* calculate file MD5 sum */
1866 $full_path = $this->translate_path($this->parse_uri($details['uri'], 'fullpath'));
1868 if(!file_exists($full_path)) {
1869 $this->_error("File ". $full_path ." does not exist\n");
1873 if(!is_readable($full_path)) {
1874 $this->_error("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
1878 $this->_debug("Image [". $idx ."] ". $this->shrink_text($this->parse_uri($details['uri'], 'filename'), 20) ." Thumbnails:");
1880 /* If Nikon NEF format, we need to treat it another way */
1881 if(isset($this->cfg->dcraw_bin) &&
1882 file_exists($this->cfg->dcraw_bin) &&
1883 is_executable($this->cfg->dcraw_bin) &&
1884 preg_match('/\.nef$/i', $details['uri'])) {
1886 $ppm_path = preg_replace('/\.nef$/i', '.ppm', $full_path);
1888 /* if PPM file does not exist, let dcraw convert it from NEF */
1889 if(!file_exists($ppm_path)) {
1890 system($this->cfg->dcraw_bin ." -a ". $full_path);
1893 /* for now we handle the PPM instead of the NEF */
1894 $full_path = $ppm_path;
1898 $file_md5 = md5_file($full_path);
1901 foreach($resolutions as $resolution) {
1903 $generate_it = false;
1905 $thumb_sub_path = substr($file_md5, 0, 2);
1906 $thumb_path = $this->cfg->thumb_path ."/". $thumb_sub_path ."/". $resolution ."_". $file_md5;
1908 /* if thumbnail-subdirectory does not exist yet, create it */
1909 if(!file_exists(dirname($thumb_path))) {
1910 mkdir(dirname($thumb_path), 0755);
1913 /* if the thumbnail file doesn't exist, create it */
1914 if(!file_exists($thumb_path)) {
1915 $generate_it = true;
1917 /* if the file hasn't changed there is no need to regen the thumb */
1918 elseif($file_md5 != $this->getMD5($idx) || $force) {
1919 $generate_it = true;
1922 if($generate_it || $overwrite) {
1924 $this->_debug(" ". $resolution ."px");
1925 if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
1933 $this->_debug(" already exist");
1936 /* set the new/changed MD5 sum for the current photo */
1938 $this->setMD5($idx, $file_md5);
1941 $this->_debug("\n");
1946 * returns stored md5 sum for a specific photo
1948 * this function queries the phpfspot database for a
1949 * stored MD5 checksum of the specified photo
1950 * @param integer $idx
1951 * @return string|null
1953 public function getMD5($idx)
1955 $result = $this->cfg_db->db_query("
1958 WHERE img_idx='". $idx ."'
1964 $img = $this->cfg_db->db_fetch_object($result);
1965 return $img['img_md5'];
1970 * set MD5 sum for the specific photo
1971 * @param integer $idx
1972 * @param string $md5
1974 private function setMD5($idx, $md5)
1976 $result = $this->cfg_db->db_exec("
1977 REPLACE INTO images (img_idx, img_md5)
1978 VALUES ('". $idx ."', '". $md5 ."')
1984 * store current tag condition
1986 * this function stores the current tag condition
1987 * (AND or OR) in the users session variables
1988 * @param string $mode
1991 public function setTagCondition($mode)
1993 $_SESSION['tag_condition'] = $mode;
1997 } // setTagCondition()
2000 * invoke tag & date search
2002 * this function will return all matching tags and store
2003 * them in the session variable selected_tags. furthermore
2004 * it also handles the date search.
2005 * getPhotoSelection() will then only return the matching
2009 public function startSearch()
2012 if(isset($_POST['date_from']) && $this->isValidDate($_POST['date_from'])) {
2013 $date_from = $_POST['date_from'];
2015 if(isset($_POST['date_to']) && $this->isValidDate($_POST['date_to'])) {
2016 $date_to = $_POST['date_to'];
2019 /* tag-name search */
2020 if(isset($_POST['for_tag']) && is_string($_POST['for_tag'])) {
2021 $searchfor_tag = $_POST['for_tag'];
2022 $_SESSION['searchfor_tag'] = $_POST['for_tag'];
2025 unset($_SESSION['searchfor_tag']);
2028 /* file-name search */
2029 if(isset($_POST['for_name']) && is_string($_POST['for_name'])) {
2030 $_SESSION['searchfor_name'] = $_POST['for_name'];
2033 unset($_SESSION['searchfor_name']);
2037 if(isset($_POST['rate_from']) && is_numeric($_POST['rate_from'])) {
2039 $_SESSION['rate_from'] = $_POST['rate_from'];
2041 if(isset($_POST['rate_to']) && is_numeric($_POST['rate_to'])) {
2042 $_SESSION['rate_to'] = $_POST['rate_to'];
2046 /* delete any previously set value */
2047 unset($_SESSION['rate_to'], $_SESSION['rate_from']);
2052 if(isset($date_from) && !empty($date_from))
2053 $_SESSION['from_date'] = strtotime($date_from ." 00:00:00");
2055 unset($_SESSION['from_date']);
2057 if(isset($date_to) && !empty($date_to))
2058 $_SESSION['to_date'] = strtotime($date_to ." 23:59:59");
2060 unset($_SESSION['to_date']);
2062 if(isset($searchfor_tag) && !empty($searchfor_tag)) {
2063 /* new search, reset the current selected tags */
2064 $_SESSION['selected_tags'] = Array();
2065 foreach($this->avail_tags as $tag) {
2066 if(preg_match('/'. $searchfor_tag .'/i', $this->tags[$tag]))
2067 array_push($_SESSION['selected_tags'], $tag);
2076 * updates sort order in session variable
2078 * this function is invoked by RPC and will sort the requested
2079 * sort order in the session variable.
2080 * @param string $sort_order
2083 public function updateSortOrder($order)
2085 if(isset($this->sort_orders[$order])) {
2086 $_SESSION['sort_order'] = $order;
2090 return "unkown error";
2092 } // updateSortOrder()
2097 * this function rotates the image according the
2099 * @param string $img
2100 * @param integer $degress
2103 private function rotateImage($img, $degrees)
2105 if(function_exists("imagerotate")) {
2106 $img = imagerotate($img, $degrees, 0);
2108 function imagerotate($src_img, $angle)
2110 $src_x = imagesx($src_img);
2111 $src_y = imagesy($src_img);
2112 if ($angle == 180) {
2116 elseif ($src_x <= $src_y) {
2120 elseif ($src_x >= $src_y) {
2125 $rotate=imagecreatetruecolor($dest_x,$dest_y);
2126 imagealphablending($rotate, false);
2131 for ($y = 0; $y < ($src_y); $y++) {
2132 for ($x = 0; $x < ($src_x); $x++) {
2133 $color = imagecolorat($src_img, $x, $y);
2134 imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
2140 for ($y = 0; $y < ($src_y); $y++) {
2141 for ($x = 0; $x < ($src_x); $x++) {
2142 $color = imagecolorat($src_img, $x, $y);
2143 imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
2149 for ($y = 0; $y < ($src_y); $y++) {
2150 for ($x = 0; $x < ($src_x); $x++) {
2151 $color = imagecolorat($src_img, $x, $y);
2152 imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
2166 $img = imagerotate($img, $degrees);
2175 * returns flipped image
2177 * this function will return an either horizontal or
2178 * vertical flipped truecolor image.
2179 * @param string $image
2180 * @param string $mode
2183 private function flipImage($image, $mode)
2185 $w = imagesx($image);
2186 $h = imagesy($image);
2187 $flipped = imagecreatetruecolor($w, $h);
2191 for ($y = 0; $y < $h; $y++) {
2192 imagecopy($flipped, $image, 0, $y, 0, $h - $y - 1, $w, 1);
2196 for ($x = 0; $x < $w; $x++) {
2197 imagecopy($flipped, $image, $x, 0, $w - $x - 1, 0, 1, $h);
2207 * return all assigned tags for the specified photo
2208 * @param integer $idx
2211 private function get_photo_tags($idx)
2213 $result = $this->db->db_query("
2216 INNER JOIN photo_tags pt
2218 WHERE pt.photo_id='". $idx ."'
2223 while($row = $this->db->db_fetch_object($result)) {
2224 if(isset($this->cfg->hide_tags) && in_array($row['name'], $this->cfg->hide_tags))
2226 $tags[$row['id']] = $row['name'];
2231 } // get_photo_tags()
2234 * create on-the-fly images with text within
2235 * @param string $txt
2236 * @param string $color
2237 * @param integer $space
2238 * @param integer $font
2241 public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
2243 if (strlen($color) != 6)
2246 $int = hexdec($color);
2247 $h = imagefontheight($font);
2248 $fw = imagefontwidth($font);
2249 $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
2250 $lines = count($txt);
2251 $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
2252 $bg = imagecolorallocate($im, 255, 255, 255);
2253 $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
2256 foreach ($txt as $text) {
2257 $x = (($w - ($fw * strlen($text))) / 2);
2258 imagestring($im, $font, $x, $y, $text, $color);
2259 $y += ($h + $space);
2262 Header("Content-type: image/png");
2265 } // showTextImage()
2268 * check if all requirements are met
2271 private function check_requirements()
2273 if(!function_exists("imagecreatefromjpeg")) {
2274 print "PHP GD library extension is missing<br />\n";
2278 if($this->cfg->db_access == "native" && !function_exists("sqlite3_open")) {
2279 print "PHP SQLite3 library extension is missing<br />\n";
2283 /* Check for HTML_AJAX PEAR package, lent from Horde project */
2284 ini_set('track_errors', 1);
2285 @include_once 'HTML/AJAX/Server.php';
2286 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
2287 print "PEAR HTML_AJAX package is missing<br />\n";
2290 @include_once 'Calendar/Calendar.php';
2291 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
2292 print "PEAR Calendar package is missing<br />\n";
2295 @include_once 'Console/Getopt.php';
2296 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
2297 print "PEAR Console_Getopt package is missing<br />\n";
2300 @include_once $this->cfg->smarty_path .'/libs/Smarty.class.php';
2301 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
2302 print "Smarty template engine can not be found in ". $this->cfg->smarty_path ."/libs/Smarty.class.php<br />\n";
2305 ini_restore('track_errors');
2312 } // check_requirements()
2314 private function _debug($text)
2316 if(isset($this->fromcmd)) {
2323 * check if specified MIME type is supported
2324 * @param string $mime
2327 public function checkifImageSupported($mime)
2329 $supported_types = Array(
2332 "image/x-portable-pixmap",
2336 if(in_array($mime, $supported_types))
2341 } // checkifImageSupported()
2345 * @param string $text
2347 public function _error($text)
2349 switch($this->cfg->logging) {
2352 print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
2353 print $text ."<br />\n";
2359 error_log($text, 3, $his->cfg->log_file);
2363 $this->runtime_error = true;
2368 * get calendar input-text fields
2370 * this function returns a text-field used for the data selection.
2371 * Either it will be filled with the current date or, if available,
2372 * filled with the date user entered previously.
2374 * @param string $mode
2377 private function get_date_text_field($mode)
2379 $date = isset($_SESSION[$mode .'_date']) ? date("Y", $_SESSION[$mode .'_date']) : date("Y");
2381 $date.= isset($_SESSION[$mode .'_date']) ? date("m", $_SESSION[$mode .'_date']) : date("m");
2383 $date.= isset($_SESSION[$mode .'_date']) ? date("d", $_SESSION[$mode .'_date']) : date("d");
2385 $output = "<input type=\"text\" size=\"15\" id=\"date_". $mode ."\" value=\"". $date ."\"";
2386 if(!isset($_SESSION[$mode .'_date']))
2387 $output.= " disabled=\"disabled\"";
2392 } // get_date_text_field()
2395 * output calendar matrix
2396 * @param integer $year
2397 * @param integer $month
2398 * @param integer $day
2400 public function get_calendar_matrix($year = 0, $month = 0, $day = 0)
2402 if (!isset($year)) $year = date('Y');
2403 if (!isset($month)) $month = date('m');
2404 if (!isset($day)) $day = date('d');
2409 require_once CALENDAR_ROOT.'Month/Weekdays.php';
2410 require_once CALENDAR_ROOT.'Day.php';
2413 $month = new Calendar_Month_Weekdays($year,$month);
2416 $prevStamp = $month->prevMonth(true);
2417 $prev = "javascript:setMonth(". date('Y',$prevStamp) .", ". date('n',$prevStamp) .", ". date('j',$prevStamp) .");";
2418 $nextStamp = $month->nextMonth(true);
2419 $next = "javascript:setMonth(". date('Y',$nextStamp) .", ". date('n',$nextStamp) .", ". date('j',$nextStamp) .");";
2421 $selectedDays = array (
2422 new Calendar_Day($year,$month,$day),
2423 new Calendar_Day($year,12,25),
2426 // Build the days in the month
2427 $month->build($selectedDays);
2429 $this->tmpl->assign('current_month', date('F Y',$month->getTimeStamp()));
2430 $this->tmpl->assign('prev_month', $prev);
2431 $this->tmpl->assign('next_month', $next);
2433 while ( $day = $month->fetch() ) {
2435 if(!isset($matrix[$rows]))
2436 $matrix[$rows] = Array();
2440 $dayStamp = $day->thisDay(true);
2441 $link = "javascript:setCalendarDate(". date('Y',$dayStamp) .", ". date('n',$dayStamp).", ". date('j',$dayStamp) .");";
2443 // isFirst() to find start of week
2444 if ( $day->isFirst() )
2447 if ( $day->isSelected() ) {
2448 $string.= "<td class=\"selected\">".$day->thisDay()."</td>\n";
2449 } else if ( $day->isEmpty() ) {
2450 $string.= "<td> </td>\n";
2452 $string.= "<td><a class=\"calendar\" href=\"".$link."\">".$day->thisDay()."</a></td>\n";
2455 // isLast() to find end of week
2456 if ( $day->isLast() )
2457 $string.= "</tr>\n";
2459 $matrix[$rows][$cols] = $string;
2469 $this->tmpl->assign('matrix', $matrix);
2470 $this->tmpl->assign('rows', $rows);
2471 $this->tmpl->show("calendar.tpl");
2473 } // get_calendar_matrix()
2476 * output export page
2477 * @param string $mode
2479 public function getExport($mode)
2481 $pictures = $this->getPhotoSelection();
2482 $current_tags = $this->getCurrentTags();
2484 foreach($pictures as $picture) {
2486 $orig_url = $this->get_phpfspot_url() ."/index.php?mode=showp&id=". $picture;
2487 if($current_tags != "") {
2488 $orig_url.= "&tags=". $current_tags;
2490 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
2491 $orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
2494 if($this->is_user_friendly_url()) {
2495 $thumb_url = $this->get_phpfspot_url() ."/photo/". $picture ."/". $this->cfg->thumb_width;
2498 $thumb_url = $this->get_phpfspot_url() ."/phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
2504 // <a href="%pictureurl%"><img src="%thumbnailurl%" ></a>
2505 print htmlspecialchars("<a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>") ."<br />\n";
2509 // "[%pictureurl% %thumbnailurl%]"
2510 print htmlspecialchars("[".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
2513 case 'MoinMoinList':
2514 // " * [%pictureurl% %thumbnailurl%]"
2515 print " " . htmlspecialchars("* [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
2526 public function getRSSFeed()
2528 Header("Content-type: text/xml; charset=utf-8");
2529 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
2532 xmlns:media="http://search.yahoo.com/mrss/"
2533 xmlns:dc="http://purl.org/dc/elements/1.1/"
2536 <title>phpfspot</title>
2537 <description>phpfspot RSS feed</description>
2538 <link><?php print htmlspecialchars($this->get_phpfspot_url()); ?></link>
2539 <pubDate><?php print strftime("%a, %d %b %Y %T %z"); ?></pubDate>
2540 <generator>phpfspot</generator>
2543 $pictures = $this->getPhotoSelection();
2544 $current_tags = $this->getCurrentTags();
2546 foreach($pictures as $picture) {
2548 $orig_url = $this->get_phpfspot_url() ."/index.php?mode=showp&id=". $picture;
2549 if($current_tags != "") {
2550 $orig_url.= "&tags=". $current_tags;
2552 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
2553 $orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
2556 $details = $this->get_photo_details($picture);
2558 if($this->is_user_friendly_url()) {
2559 $thumb_url = $this->get_phpfspot_url() ."/photo/". $picture ."/". $this->cfg->thumb_width;
2562 $thumb_url = $this->get_phpfspot_url() ."/phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
2565 $thumb_html = htmlspecialchars("
2566 <a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>
2568 ". $details['description']);
2570 $orig_path = $this->translate_path($this->parse_uri($details['uri'], 'fullpath'));
2572 /* get EXIF information if JPEG */
2573 if(isset($details['mime']) && $details['mime'] == "image/jpeg") {
2574 $meta = $this->get_meta_informations($orig_path);
2577 $meta_date = isset($meta['FileDateTime']) ? $meta['FileDateTime'] : filemtime($orig_path);
2581 <title><?php print htmlspecialchars($this->parse_uri($details['uri'], 'filename')); ?></title>
2582 <link><?php print htmlspecialchars($orig_url); ?></link>
2583 <guid><?php print htmlspecialchars($orig_url); ?></guid>
2584 <dc:date.Taken><?php print strftime("%Y-%m-%dT%H:%M:%S+00:00", $meta_date); ?></dc:date.Taken>
2586 <?php print $thumb_html; ?>
2588 <pubDate><?php print strftime("%a, %d %b %Y %T %z", $meta_date); ?></pubDate>
2603 * get all selected tags
2605 * This function will return all selected tags as one string, seperated
2609 private function getCurrentTags()
2612 if(isset($_SESSION['selected_tags']) && $_SESSION['selected_tags'] != "") {
2613 foreach($_SESSION['selected_tags'] as $tag)
2614 $current_tags.= $tag .",";
2615 $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
2617 return $current_tags;
2619 } // getCurrentTags()
2622 * return the current photo
2624 public function getCurrentPhoto()
2626 if(isset($_SESSION['current_photo'])) {
2627 print $_SESSION['current_photo'];
2629 } // getCurrentPhoto()
2632 * tells the client browser what to do
2634 * this function is getting called via AJAX by the
2635 * client browsers. it will tell them what they have
2636 * to do next. This is necessary for directly jumping
2637 * into photo index or single photo view when the are
2638 * requested with specific URLs
2641 public function whatToDo()
2643 if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
2645 elseif(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
2646 return "showpi_tags";
2648 elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
2655 * return the current process-user
2658 private function getuid()
2660 if($uid = posix_getuid()) {
2661 if($user = posix_getpwuid($uid)) {
2662 return $user['name'];
2671 * returns a select-dropdown box to select photo index sort parameters
2672 * @param array $params
2673 * @param smarty $smarty
2676 public function smarty_sort_select_list($params, &$smarty)
2680 foreach($this->sort_orders as $key => $value) {
2681 $output.= "<option value=\"". $key ."\"";
2682 if($key == $_SESSION['sort_order']) {
2683 $output.= " selected=\"selected\"";
2685 $output.= ">". $value ."</option>";
2690 } // smarty_sort_select_list()
2693 * returns the currently selected sort order
2696 private function get_sort_order()
2698 switch($_SESSION['sort_order']) {
2700 return " ORDER BY p.time ASC";
2703 return " ORDER BY p.time DESC";
2706 if($this->dbver < 9) {
2707 return " ORDER BY p.name ASC";
2710 return " ORDER BY basename(p.uri) ASC";
2714 if($this->dbver < 9) {
2715 return " ORDER BY p.name DESC";
2718 return " ORDER BY basename(p.uri) DESC";
2722 return " ORDER BY t.name ASC ,p.time ASC";
2725 return " ORDER BY t.name DESC ,p.time ASC";
2728 return " ORDER BY t.name ASC, p.rating ASC";
2731 return " ORDER BY t.name DESC, p.rating DESC";
2735 } // get_sort_order()
2738 * return the next to be shown slide show image
2740 * this function returns the URL of the next image
2741 * in the slideshow sequence.
2744 public function getNextSlideShowImage()
2746 $all_photos = $this->getPhotoSelection();
2748 if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1)
2749 $_SESSION['slideshow_img'] = 0;
2751 $_SESSION['slideshow_img']++;
2753 if($this->is_user_friendly_url()) {
2754 return $this->get_phpfspot_url() ."/photo/". $all_photos[$_SESSION['slideshow_img']] ."/". $this->cfg->photo_width;
2757 return $this->get_phpfspot_url() ."/phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
2759 } // getNextSlideShowImage()
2762 * return the previous to be shown slide show image
2764 * this function returns the URL of the previous image
2765 * in the slideshow sequence.
2768 public function getPrevSlideShowImage()
2770 $all_photos = $this->getPhotoSelection();
2772 if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == 0)
2773 $_SESSION['slideshow_img'] = 0;
2775 $_SESSION['slideshow_img']--;
2777 if($this->is_user_friendly_url()) {
2778 return $this->get_phpfspot_url() ."/photo/". $all_photos[$_SESSION['slideshow_img']] ."/". $this->cfg->photo_width;
2781 return $this->get_phpfspot_url() ."/phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
2783 } // getPrevSlideShowImage()
2785 public function resetSlideShow()
2787 if(isset($_SESSION['slideshow_img']))
2788 unset($_SESSION['slideshow_img']);
2790 } // resetSlideShow()
2795 * this function will get all photos from the fspot
2796 * database and randomly return ONE entry
2798 * saddly there is yet no sqlite3 function which returns
2799 * the bulk result in array, so we have to fill up our
2803 public function get_random_photo()
2812 /* if show_tags is set, only return details for photos which
2813 are specified to be shown
2815 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
2817 INNER JOIN photo_tags pt
2822 t.name IN ('".implode("','",$this->cfg->show_tags)."')";
2825 $result = $this->db->db_query($query_str);
2827 while($row = $this->db->db_fetch_object($result)) {
2828 array_push($all, $row['id']);
2831 return $all[array_rand($all)];
2833 } // get_random_photo()
2836 * get random photo tag photo
2838 * this function will get all photos tagged with the requested
2839 * tag from the fspot database and randomly return ONE entry
2841 * saddly there is yet no sqlite3 function which returns
2842 * the bulk result in array, so we have to fill up our
2846 public function get_random_tag_photo($tagidx)
2853 INNER JOIN photo_tags pt
2857 if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
2865 pt.tag_id LIKE '". $tagidx ."'
2868 /*if(isset($this->cfg->show_tags) && !empty($this->cfg->show_tags)) {
2871 t.name IN ('".implode("','",$this->cfg->show_tags)."')
2875 $result = $this->db->db_query($query_str);
2877 while($row = $this->db->db_fetch_object($result)) {
2878 array_push($all, $row['id']);
2881 return $all[array_rand($all)];
2883 } // get_random_tag_photo()
2886 * validates provided date
2888 * this function validates if the provided date
2889 * contains a valid date and will return true
2891 * @param string $date_str
2894 public function isValidDate($date_str)
2896 $timestamp = strtotime($date_str);
2898 if(is_numeric($timestamp))
2906 * timestamp to string conversion
2907 * @param integer $timestamp
2910 private function ts2str($timestamp)
2912 if(!empty($timestamp) && is_numeric($timestamp))
2913 return strftime("%Y-%m-%d", $timestamp);
2918 * extract tag-names from $_GET['tags']
2919 * @param string $tags_str
2922 private function extractTags($tags_str)
2924 $not_validated = split(',', $tags_str);
2925 $validated = array();
2927 foreach($not_validated as $tag) {
2928 if(is_numeric($tag))
2929 array_push($validated, $tag);
2937 * returns the full path to a thumbnail
2938 * @param integer $width
2939 * @param integer $photo
2942 public function get_thumb_path($width, $photo)
2944 $md5 = $this->getMD5($photo);
2945 $sub_path = substr($md5, 0, 2);
2946 return $this->cfg->thumb_path
2954 } // get_thumb_path()
2957 * returns server's virtual host name
2960 private function get_server_name()
2962 return $_SERVER['SERVER_NAME'];
2963 } // get_server_name()
2966 * returns type of webprotocol which is currently used
2969 private function get_web_protocol()
2971 if(!isset($_SERVER['HTTPS']))
2975 } // get_web_protocol()
2978 * return url to this phpfspot installation
2981 private function get_phpfspot_url()
2983 return $this->get_web_protocol() ."://". $this->get_server_name() . $this->cfg->web_path;
2985 } // get_phpfspot_url()
2988 * returns the number of photos which are tagged with $tag_id
2989 * @param integer $tag_id
2992 public function get_num_photos($tag_id)
2994 if($result = $this->db->db_fetchSingleRow("
2995 SELECT count(*) as number
2998 tag_id LIKE '". $tag_id ."'")) {
3000 return $result['number'];
3006 } // get_num_photos()
3009 * check file exists and is readable
3011 * returns true, if everything is ok, otherwise false
3012 * if $silent is not set, this function will output and
3014 * @param string $file
3015 * @param boolean $silent
3018 private function check_readable($file, $silent = null)
3020 if(!file_exists($file)) {
3022 print "File \"". $file ."\" does not exist.\n";
3026 if(!is_readable($file)) {
3028 print "File \"". $file ."\" is not reachable for user ". $this->getuid() ."\n";
3034 } // check_readable()
3037 * check if all needed indices are present
3039 * this function checks, if some needed indices are already
3040 * present, or if not, create them on the fly. they are
3041 * necessary to speed up some queries like that one look for
3042 * all tags, when show_tags is specified in the configuration.
3044 private function checkDbIndices()
3046 $result = $this->db->db_exec("
3047 CREATE INDEX IF NOT EXISTS
3054 } // checkDbIndices()
3057 * retrive F-Spot database version
3059 * this function will return the F-Spot database version number
3060 * It is stored within the sqlite3 database in the table meta
3061 * @return string|null
3063 public function getFspotDBVersion()
3065 if($result = $this->db->db_fetchSingleRow("
3066 SELECT data as version
3069 name LIKE 'F-Spot Database Version'
3071 return $result['version'];
3075 } // getFspotDBVersion()
3078 * parse the provided URI and will returned the requested chunk
3079 * @param string $uri
3080 * @param string $mode
3083 public function parse_uri($uri, $mode)
3085 if(($components = parse_url($uri)) !== false) {
3089 return basename($components['path']);
3092 return dirname($components['path']);
3095 return $components['path'];
3105 * validate config options
3107 * this function checks if all necessary configuration options are
3108 * specified and set.
3111 private function check_config_options()
3113 if(!isset($this->cfg->page_title) || $this->cfg->page_title == "")
3114 $this->_error("Please set \$page_title in phpfspot_cfg");
3116 if(!isset($this->cfg->base_path) || $this->cfg->base_path == "")
3117 $this->_error("Please set \$base_path in phpfspot_cfg");
3119 if(!isset($this->cfg->web_path) || $this->cfg->web_path == "")
3120 $this->_error("Please set \$web_path in phpfspot_cfg");
3122 if(!isset($this->cfg->thumb_path) || $this->cfg->thumb_path == "")
3123 $this->_error("Please set \$thumb_path in phpfspot_cfg");
3125 if(!isset($this->cfg->smarty_path) || $this->cfg->smarty_path == "")
3126 $this->_error("Please set \$smarty_path in phpfspot_cfg");
3128 if(!isset($this->cfg->fspot_db) || $this->cfg->fspot_db == "")
3129 $this->_error("Please set \$fspot_db in phpfspot_cfg");
3131 if(!isset($this->cfg->db_access) || $this->cfg->db_access == "")
3132 $this->_error("Please set \$db_access in phpfspot_cfg");
3134 if(!isset($this->cfg->phpfspot_db) || $this->cfg->phpfspot_db == "")
3135 $this->_error("Please set \$phpfspot_db in phpfspot_cfg");
3137 if(!isset($this->cfg->thumb_width) || $this->cfg->thumb_width == "")
3138 $this->_error("Please set \$thumb_width in phpfspot_cfg");
3140 if(!isset($this->cfg->thumb_height) || $this->cfg->thumb_height == "")
3141 $this->_error("Please set \$thumb_height in phpfspot_cfg");
3143 if(!isset($this->cfg->photo_width) || $this->cfg->photo_width == "")
3144 $this->_error("Please set \$photo_width in phpfspot_cfg");
3146 if(!isset($this->cfg->mini_width) || $this->cfg->mini_width == "")
3147 $this->_error("Please set \$mini_width in phpfspot_cfg");
3149 if(!isset($this->cfg->thumbs_per_page))
3150 $this->_error("Please set \$thumbs_per_page in phpfspot_cfg");
3152 if(!isset($this->cfg->path_replace_from) || $this->cfg->path_replace_from == "")
3153 $this->_error("Please set \$path_replace_from in phpfspot_cfg");
3155 if(!isset($this->cfg->path_replace_to) || $this->cfg->path_replace_to == "")
3156 $this->_error("Please set \$path_replace_to in phpfspot_cfg");
3158 if(!isset($this->cfg->hide_tags))
3159 $this->_error("Please set \$hide_tags in phpfspot_cfg");
3161 if(!isset($this->cfg->theme_name))
3162 $this->_error("Please set \$theme_name in phpfspot_cfg");
3164 if(!isset($this->cfg->logging))
3165 $this->_error("Please set \$logging in phpfspot_cfg");
3167 if(isset($this->cfg->logging) && $this->cfg->logging == 'logfile') {
3169 if(!isset($this->cfg->log_file))
3170 $this->_error("Please set \$log_file because you set logging = log_file in phpfspot_cfg");
3172 if(!is_writeable($this->cfg->log_file))
3173 $this->_error("The specified \$log_file ". $log_file ." is not writeable!");
3177 /* remove trailing slash, if set */
3178 if($this->cfg->web_path == "/")
3179 $this->cfg->web_path = "";
3180 elseif(preg_match('/\/$/', $this->cfg->web_path))
3181 $this->cfg->web_path = preg_replace('/\/$/', '', $this->cfg->web_path);
3183 return $this->runtime_error;
3185 } // check_config_options()
3188 * cleanup phpfspot own database
3190 * When photos are getting delete from F-Spot, there will remain
3191 * remain some residues in phpfspot own database. This function
3192 * will try to wipe them out.
3194 public function cleanup_phpfspot_db()
3196 $to_delete = Array();
3198 $result = $this->cfg_db->db_query("
3201 ORDER BY img_idx ASC
3204 while($row = $this->cfg_db->db_fetch_object($result)) {
3205 if(!$this->db->db_fetchSingleRow("
3208 WHERE id='". $row['img_idx'] ."'")) {
3210 array_push($to_delete, $row['img_idx'], ',');
3214 print count($to_delete) ." unnecessary objects will be removed from phpfspot's database.\n";
3216 $this->cfg_db->db_exec("
3218 WHERE img_idx IN (". implode($to_delete) .")
3221 } // cleanup_phpfspot_db()
3224 * return first image of the page, the $current photo
3227 * this function is used to find out the first photo of the
3228 * current page, in which the $current photo lies. this is
3229 * used to display the correct photo, when calling showPhotoIndex()
3231 * @param integer $current
3232 * @param integer $max
3235 private function getCurrentPage($current, $max)
3237 if(isset($this->cfg->thumbs_per_page) && !empty($this->cfg->thumbs_per_page)) {
3238 for($page_start = 0; $page_start <= $max; $page_start+=$this->cfg->thumbs_per_page) {
3239 if($current >= $page_start && $current < ($page_start+$this->cfg->thumbs_per_page))
3245 } // getCurrentPage()
3250 * this function tries to find out the correct mime-type
3251 * for the provided file.
3252 * @param string $file
3255 public function get_mime_info($file)
3257 $details = getimagesize($file);
3259 /* if getimagesize() returns empty, try at least to find out the
3262 if(empty($details) && function_exists('mime_content_type')) {
3264 // mime_content_type is marked as deprecated in the documentation,
3265 // but is it really necessary to force users to install a PECL
3267 $details['mime'] = mime_content_type($file);
3270 return $details['mime'];
3272 } // get_mime_info()
3275 * return tag-name by tag-idx
3277 * this function returns the tag-name for the requested
3278 * tag specified by tag-idx.
3279 * @param integer $idx
3282 public function get_tag_name($idx)
3284 if($result = $this->db->db_fetchSingleRow("
3288 id LIKE '". $idx ."'")) {
3290 return $result['name'];
3299 * parse user friendly url which got rewritten by the websever
3300 * @param string $request_uri
3303 private function parse_user_friendly_url($request_uri)
3305 if(preg_match('/\/photoview\/|\/photo\/|\/tag\//', $request_uri)) {
3307 $options = explode('/', $request_uri);
3309 switch($options[1]) {
3311 if(is_numeric($options[2])) {
3312 $this->session_cleanup();
3313 //unset($_SESSION['start_action']);
3314 //unset($_SESSION['selected_tags']);
3315 $_GET['mode'] = 'showp';
3316 return $this->showPhoto($options[2]);
3320 if(is_numeric($options[2])) {
3321 require_once "phpfspot_img.php";
3322 $img = new PHPFSPOT_IMG;
3323 if(isset($options[3]) && is_numeric($options[3]))
3324 $img->showImg($options[2], $options[3]);
3326 $img->showImg($options[2]);
3331 if(is_numeric($options[2])) {
3332 $this->session_cleanup();
3333 $_GET['tags'] = $options[2];
3334 $_SESSION['selected_tags'] = Array($options[2]);
3335 if(isset($options[3]) && is_numeric($options[3]))
3336 $_SESSION['begin_with'] = $options[3];
3337 return $this->showPhotoIndex();
3343 } // parse_user_friendly_url()
3346 * check if user-friendly-urls are enabled
3348 * this function will return true, if the config option
3349 * $user_friendly_url has been set. Otherwise false.
3352 private function is_user_friendly_url()
3354 if(isset($this->cfg->user_friendly_url) && $this->cfg->user_friendly_url)
3359 } // is_user_friendly_url()
3364 * this function will cleanup user's session information
3366 private function session_cleanup()
3368 unset($_SESSION['begin_with']);
3369 $this->resetDateSearch();
3370 $this->resetPhotoView();
3371 $this->resetTagSearch();
3372 $this->resetNameSearch();
3373 $this->resetDateSearch();
3376 } // session_cleanup()