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-rw-r--r--inc/changelog.php127
1 files changed, 91 insertions, 36 deletions
diff --git a/inc/changelog.php b/inc/changelog.php
index 7ce8096d5..75fe29e5b 100644
--- a/inc/changelog.php
+++ b/inc/changelog.php
@@ -334,16 +334,17 @@ function _handleRecent($line,$ns,$flags,&$seen){
}
/**
- * Class PageRevisionLog
+ * Class ChangeLog
+ * methods for handling of changelog of pages or media files
*/
-class PageRevisionLog {
+abstract class ChangeLog {
/** @var string */
- private $id;
+ protected $id;
/** @var int */
- private $chunk_size;
+ protected $chunk_size;
/** @var array */
- private $cache;
+ protected $cache;
/**
* Constructor
@@ -366,6 +367,7 @@ class PageRevisionLog {
/**
* Set chunk size for file reading
+ * Chunk size zero let read whole file at once
*
* @param int $chunk_size maximum block size read from file
*/
@@ -376,6 +378,20 @@ class PageRevisionLog {
}
/**
+ * Returns path to changelog
+ *
+ * @return string path to file
+ */
+ abstract protected function getChangelogFilename();
+
+ /**
+ * Returns path to current page/media
+ *
+ * @return string path to file
+ */
+ abstract protected function getFilename();
+
+ /**
* Get the changelog information for a specific page id and revision (timestamp)
*
* Adjacent changelog lines are optimistically parsed and cached to speed up
@@ -383,7 +399,6 @@ class PageRevisionLog {
* containing the requested changelog line is read.
*
* @param int $rev revision timestamp
- * @param bool $media look into media log?
* @return bool|array false or array with entries:
* - date: unix timestamp
* - ip: IPv4 address (127.0.0.1)
@@ -396,7 +411,7 @@ class PageRevisionLog {
* @author Ben Coburn <btcoburn@silicodon.net>
* @author Kate Arzamastseva <pshns@ukr.net>
*/
- public function getRevisionInfo($rev, $media = false) {
+ public function getRevisionInfo($rev) {
$rev = max($rev, 0);
// check if it's already in the memory cache
@@ -405,7 +420,7 @@ class PageRevisionLog {
}
//read lines from changelog
- list($fp, $lines) = $this->readloglines($media, $rev);
+ list($fp, $lines) = $this->readloglines($rev);
if($fp) {
fclose($fp);
}
@@ -442,32 +457,28 @@ class PageRevisionLog {
*
* @param int $first skip the first n changelog lines
* @param int $num number of revisions to return
- * @param bool $media look into media log?
* @return array with the revision timestamps
*
* @author Ben Coburn <btcoburn@silicodon.net>
* @author Kate Arzamastseva <pshns@ukr.net>
*/
- public function getRevisions($first, $num, $media = false) {
+ public function getRevisions($first, $num) {
$revs = array();
$lines = array();
$count = 0;
- if ($media) {
- $file = mediaMetaFN($this->id, '.changes');
- } else {
- $file = metaFN($this->id, '.changes');
- }
+
$num = max($num, 0);
if ($num == 0) { return $revs; }
- $this->chunk_size = max($this->chunk_size, 0);
if ($first<0) {
$first = 0;
- } else if (!$media && @file_exists(wikiFN($this->id)) || $media && @file_exists(mediaFN($this->id))) {
+ } else if (@file_exists($this->getFilename())) {
// skip current revision if the page exists
$first = max($first+1, 0);
}
+ $file = $this->getChangelogFilename();
+
if (!@file_exists($file)) { return $revs; }
if (filesize($file)<$this->chunk_size || $this->chunk_size==0) {
// read whole file
@@ -554,12 +565,11 @@ class PageRevisionLog {
*
* @param int $rev revision timestamp used as startdate (doesn't need to be revisionnumber)
* @param int $direction give position of returned revision with respect to $rev; positive=next, negative=prev
- * @param bool $media look into media log?
* @return bool|int
* timestamp of the requested revision
* otherwise false
*/
- public function getRelativeRevision($rev, $direction, $media = false) {
+ public function getRelativeRevision($rev, $direction) {
$rev = max($rev, 0);
$direction = (int) $direction;
@@ -569,7 +579,7 @@ class PageRevisionLog {
}
//get lines from changelog
- list($fp, $lines, $head, $tail, $eof) = $this->readloglines($media, $rev);
+ list($fp, $lines, $head, $tail, $eof) = $this->readloglines($rev);
if(empty($lines)) return false;
// look for revisions later/earlier then $rev, when founded count till the wanted revision is reached
@@ -645,17 +655,12 @@ class PageRevisionLog {
* Returns lines from changelog.
* If file larger than $chuncksize, only chunck is read that could contain $rev.
*
- * @param bool $media look into media log?
* @param int $rev revision timestamp
* @return array(fp, array(changeloglines), $head, $tail, $eof)|bool
* returns false when not succeed. fp only defined for chuck reading, needs closing.
*/
- protected function readloglines($media, $rev) {
- if($media) {
- $file = mediaMetaFN($this->id, '.changes');
- } else {
- $file = metaFN($this->id, '.changes');
- }
+ protected function readloglines($rev) {
+ $file = $this->getChangelogFilename();
if(!@file_exists($file)) {
return false;
@@ -760,14 +765,57 @@ class PageRevisionLog {
/**
* Check whether given revision is the current page
*
- * @param int $rev timestamp of current page
+ * @param int $rev timestamp of current page
* @return bool true if $rev is current revision, otherwise false
*/
- public function isCurrentRevision($rev){
- return isset($INFO['meta']['last_change']) && $rev == $INFO['meta']['last_change']['date'];
+ public function isCurrentRevision($rev) {
+ return $rev == @filemtime($this->getFilename());
}
}
+class PageChangelog extends ChangeLog {
+
+ /**
+ * Returns path to changelog
+ *
+ * @return string path to file
+ */
+ protected function getChangelogFilename() {
+ return metaFN($this->id, '.changes');
+ }
+
+ /**
+ * Returns path to current page/media
+ *
+ * @return string path to file
+ */
+ protected function getFilename() {
+ return wikiFN($this->id);
+ }
+}
+
+class MediaChangelog extends ChangeLog {
+
+ /**
+ * Returns path to changelog
+ *
+ * @return string path to file
+ */
+ protected function getChangelogFilename() {
+ return mediaMetaFN($this->id, '.changes');
+ }
+
+ /**
+ * Returns path to current page/media
+ *
+ * @return string path to file
+ */
+ protected function getFilename() {
+ return mediaFN($this->id);
+ }
+}
+
+
/**
* Get the changelog information for a specific page id
* and revision (timestamp). Adjacent changelog lines
@@ -782,9 +830,12 @@ class PageRevisionLog {
* @author Kate Arzamastseva <pshns@ukr.net>
*/
function getRevisionInfo($id, $rev, $chunk_size=8192, $media=false) {
-
- $log = new PageRevisionLog($id, $chunk_size);
- return $log->getRevisionInfo($rev, $media);
+ if($media) {
+ $changelog = new MediaChangeLog($id, $chunk_size);
+ } else {
+ $changelog = new PageChangeLog($id, $chunk_size);
+ }
+ return $changelog->getRevisionInfo($rev);
}
/**
@@ -811,8 +862,12 @@ function getRevisionInfo($id, $rev, $chunk_size=8192, $media=false) {
* @author Kate Arzamastseva <pshns@ukr.net>
*/
function getRevisions($id, $first, $num, $chunk_size=8192, $media=false) {
- $log = new PageRevisionLog($id, $chunk_size);
- return $log->getRevisions($first, $num, $media);
+ if($media) {
+ $changelog = new MediaChangeLog($id, $chunk_size);
+ } else {
+ $changelog = new PageChangeLog($id, $chunk_size);
+ }
+ return $changelog->getRevisions($first, $num);
}
/**
@@ -836,4 +891,4 @@ function getProperRevision($id,$date_at,$media = false){
return false;
}
}
-} \ No newline at end of file
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 06:19:13 +0000