RyXéo » ryxeo-WebPhotoAlbum

<?php

/* Photo class for dealing with individual images

*/

class C_photo {

        var $id;

        var $preview;

        var $previewsize;

        var $mq;

        var $hq;

        var $name;

        var $caption;

        var $file;

        var $number;

        var $counter;

        var $album;

        var $comments; //rendered string

        function C_photo($file, $number) {

                global $root, $gallery_dir, $galerie, $db;

                $this->file = $file;

                $this->number = $number;

                $this->album = $galerie;

                //init from filesystem

                //preview

                $this->preview = "$gallery_dir/$galerie/lq/img-" . $this->number . ".jpg";

                $this->previewsize = getimagesize($this->preview);

                //MQ

                if (file_exists("$root/$gallery_dir/$galerie/mq/img-" . $this->number . ".jpg")) {

                        $this->mq = "$gallery_dir/$galerie/mq/img-" . $this->number . ".jpg";

                }

                //HQ

                if (file_exists("$root/$gallery_dir/$galerie/hq/img-" . $this->number . ".jpg")) {

                        $this->hq = "$gallery_dir/$galerie/hq/img-" . $this->number . ".jpg";

                }

                if ($GLOBALS['have_sqlite']) { //query just once

                        require_once("$root/inc/db.class.inc.php");

                        $sql = "select * from photo where ";

                        $sql .= "number=" . $this->number . " and ";

                        $sql .= "album='" . $this->album . "'";

                        $db->query($sql);

                }

                $this->readCaption();

                $this->readCounter(); //reads access log number

                if ($GLOBALS['have_sqlite']) { //need to get photo id first

                        if (!$db->count()) {//no record for this photo, let's update the record

                                //FIXME - if no photo data in db, create a unique index for it

                                //and add number, album, caption and views.

                                $sql = "insert into photo (name, caption, counter, number, album)";

                                $sql .= " values (";

                                $sql .= "\"" . sqlite_escape_string($this->name) . "\", ";

                                $sql .= "\"" . sqlite_escape_string(strtr($this->caption,"\"","'")) . "\", ";

                                $sql .= $this->counter . ", ";

                                $sql .= $this->number . ", ";

                                $sql .= "\"" . $this->album . "\"";

                                $sql .= ")";

                                $db->query($sql);

                                print "\n\n<!-- We've moved the data to the database.-->";

                                //now we still need to query for the id

                                $sql = "select id from photo where ";

                                $sql .= "number=" . $this->number . " and ";

                                $sql .= "album='" . $this->album . "'";

                                $db->query($sql);

                        }

                        $db->rewind();

                        $resultarray = sqlite_fetch_array($db->result);

                        $this->id = $resultarray["id"];

                        print "\n\n<!-- image id: " . $this->id . " -->\n";

                }

                $this->readComments();

        }

        function readCaption() {

                global $have_sqlite, $root, $gallery_dir, $galerie, $db;

                /* reads name and caption of a photo

                   - either from sqlite database or filesystem

                 */

                 if ($have_sqlite) {

                                //try reading from sqlite

                                if ($db->count()) {

                                        $result = sqlite_fetch_array($db->result);

                                        $this->name = $result["name"];

                                        $this->caption = $result["caption"];

                                        return; //no need to fallback anymore

                                }

                 } 

                 //we falback to filesystem

                  $buffer = "";

                        $captionfile = "$root/$gallery_dir/$galerie/comments/" . $this->number . ".txt";

                        $fh = @fopen($captionfile, "r");

                        if ($fh) {

                                 while (!feof($fh)) {

                                                 $buffer .= fgets($fh, 4096);

                                 }

                                 fclose($fh);

                        } else { // no caption file

                                $this->name = __("Photo ") . $this->number;

                                return;

                        }

                        //parse buffer

                        if(eregi("^<span>(.*)</span>( - )?(.*)", $buffer, $x)) {

                                $this->name = $x[1]; //mostly "Photo"

                                $this->caption = chop($x[3]);

                        } else {

                                $this->caption = $buffer;

                        }

        }

        function readCounter() {

                global $log_access, $root, $gallery_dir, $galerie, $db;

                if ($GLOBALS['have_sqlite']) {

                        //try reading from sqlite

                        if ($db->count()) {

                                $db->rewind();

                                $result = sqlite_fetch_array($db->result);

                                $this->counter = $result["counter"];

                                return; //no need to fallback anymore

                        }

                } 

                //we fallback to filesystem :/

                 if (is_writable("$root/$gallery_dir/$galerie/comments")) { // needs perms

                         $log = "$root/$gallery_dir/$galerie/comments/log_" . $this->number . ".txt";

                         if (file_exists($log)){

                                 $fh = @fopen($log, "r");

                                 $this->counter = rtrim(fgets($fh));

                                 fclose($fh);

                         } else {

                                 $this->counter = 0;

                         }

                 } else {

                         //doesn't do anything if no perms

                         print "<!-- ". __('WARNING: comment dir not writable') . "-->\n";

                         return 0; //failure

                 }

                 return 1; //success

        }

        function readComments() {

                global $root, $gallery_dir, $galerie, $db;

                if ($GLOBALS['have_sqlite']) {

                        //we have and will use SQLite

                        //FIXME

                        print "\n<!--SQLITE comments FIXME-->\n\n";

                        return 1;

                } else {

                        //filesystem

                         $comments = "$root/$gallery_dir/$galerie/comments/user_" . $this->number . ".txt";

                        if (file_exists($comments)){

                                $buffer = "";

                                $fh = @fopen($comments, "r");

                                if ($fh) {

                                         while (!feof($fh)) {

                                                         $buffer .= fgets($fh, 4096);

                                         }

                                         $this->comments = $buffer;

                                         fclose($fh);

                                }

                        }

                }

        }

        function renderCounter() {

                 print "\n<div id=\"log\">\n";

                 print __('This image has been viewed') . " ";

                 print "<strong>" . $this->counter . "</strong>". " " . __('times') . ".";

                 print "</div>\n\n";

                 $this->writeCounter(); //save state

        }

        function writeCounter() {

                global $log_access, $root, $gallery_dir, $galerie, $page, $db;

                $this->counter++; //we add to counter

                if ($GLOBALS['have_sqlite']) {

                        //we have SQLite

                        $sql = "update photo set counter=" . $this->counter;

                        $sql .= " where id=" . $this->id;

                        $db->query($sql);

                        return; //no need to fallback anymore

                } 

                 //fallback to filesystem

                 if (is_writable("$root/$gallery_dir/$galerie/comments")) { // needs perms

                         $log = "$root/$gallery_dir/$galerie/comments/log_". $this->number .".txt";

                         if (file_exists($log) && !is_writable($log)) {

                                 print "\n\n\n<!-- cannot open $log. Check permissions.";

                                 print "\nAborting counter write -->\n";

                                 return 0;

                         }

                         $fh = fopen($log,"w");

                         if (!fwrite($fh, $this->counter . "\n")) {

                                        $page->error( __('Could not write to') . $log . "!");

                                        $page->footer();

                                        exit; //stop everything

                         }

                         fclose($fh);

                 }

        }

        function renderBigSize() {

   if ($this->mq || $this->hq) {

                 print "<div id=\"mqhq\">";

                 if ($this->mq) {

                                print "<a href=\"" . $this->mq . "\">". __('MQ') . "</a> ";

                 }

                 if ($this->hq) {

                                print "<a href=\"" . $this->hq . "\">" . __('HQ') . "</a>";

                 }

                 print "</div>\n";

         }

        }

        function renderPreview() {

   $divheight = $this->previewsize[1] + 10;

   print "<div id=\"image\" style=\"height: ${divheight}px\">\n"; // extra kludge 

                                                                 // because of tall 

                                                                 // images

   print "<img id=\"preview\" " . $this->previewsize[3] . " src=\"". $this->file;

         print "\" alt=\"$snimek\" />\n";

        }

        function renderCaption() {

                print "<div class=\"comment\">";

                print "<span>" . $this->name . "</span>";

                if ($this->caption) {

                        print " – ";

                        print $this->caption;

                        print "</div>";

                }

        }

        function addComment($comment_name, $comment_data) { //adds comment to file or database

                global $log_access, $root, $gallery_dir, $galerie, $page;

                if ($GLOBALS['have_sqlite']) {

                        //sqlite

                        print "\n<!--SQLITE comments addition FIXME-->\n\n";

                } else {

                                //filesystem

                                if (is_writable("$root/$gallery_dir/$galerie/comments")) { // needs perms

                                        $comment = "$root/$gallery_dir/$galerie/comments/user_";

                                        $comment .= $this->number . ".txt";

                                        if (file_exists($comment) && !is_writable($comment)) {

                                                        $page->error("Permission Denied", __('Could not write to')  . $comment . 

                                                                "!\n Check permissions.\n");

                                                        $page->footer();

                                                        exit; //stop everything

                                        }

                                        $fh = fopen("$comment", "a");

                                        if (!$comment_name) {

                                                        $comment_name = __('Anonymous');

                                        }

                                        if (!fwrite($fh, "<div class=\"commententry\">\n")) {

                                                        $page->error("Write Failed",  __('Could not write to')  . $comment . "!" );

                                                        $page->footer();

                                                        exit; //stop everything

                                        }

                                        fwrite($fh, "   <div class=\"name\">" . __('Comment from') . "<em>$comment_name</em></div>\n",90);

                                        fwrite($fh, "   <div class=\"commentdata\">$comment_data</div>\n",280);

                                        fwrite($fh, "</div>\n");

                                        fclose($fh);

                                }

                }

        }

}

?>