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<?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(preg_match("|^<span>(.*)</span>( - )?(.*)|i", $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);
}
}
}
}
?>
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