269 lines
10 KiB
PHP
269 lines
10 KiB
PHP
<?php
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register_module([
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"name" => "Recent Changes",
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"version" => "0.3.4",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds recent changes. Access through the 'recent-changes' action.",
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"id" => "feature-recent-changes",
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"code" => function() {
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global $settings, $env, $paths;
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/**
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* @api {get} ?action=recentchanges Get a list of recent changes
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* @apiName RecentChanges
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* @apiGroup Stats
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* @apiPermission Anonymous
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*/
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// Add the recent changes json file to $paths for convenience.
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$paths->recentchanges = $env->storage_prefix . "recent-changes.json";
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// Create the recent changes json file if it doesn't exist
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if(!file_exists($paths->recentchanges))
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file_put_contents($paths->recentchanges, "[]");
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/*
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* ██████ ███████ ██████ ███████ ███ ██ ████████
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* ██ ██ ██ ██ ██ ████ ██ ██
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* ██████ █████ ██ █████ ██ ██ ██ ██
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* ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ██ ██ ███████ ██████ ███████ ██ ████ ██
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*
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* ██████ ██ ██ █████ ███ ██ ██████ ███████ ███████
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* ██ ██ ██ ██ ██ ████ ██ ██ ██ ██
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* ██ ███████ ███████ ██ ██ ██ ██ ███ █████ ███████
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* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ██████ ██ ██ ██ ██ ██ ████ ██████ ███████ ███████
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*/
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add_action("recent-changes", function() {
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global $settings, $paths, $pageindex;
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$content = "\t\t<h1>Recent Changes</h1>\n";
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$recent_changes = json_decode(file_get_contents($paths->recentchanges));
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if(count($recent_changes) > 0)
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{
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$content .= render_recent_changes($recent_changes);
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}
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else
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{
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// No changes yet :(
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$content .= "<p><em>None yet! Try making a few changes and then check back here.</em></p>\n";
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}
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exit(page_renderer::render("Recent Changes - $settings->sitename", $content));
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});
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register_save_preprocessor(function(&$pageinfo, &$newsource, &$oldsource) {
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global $env, $settings, $paths;
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// Work out the old and new page lengths
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$oldsize = strlen($oldsource);
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$newsize = strlen($newsource);
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// Calculate the page length difference
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$size_diff = $newsize - $oldsize;
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$newchange = [
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"type" => "edit",
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"timestamp" => time(),
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"page" => $env->page,
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"user" => $env->user,
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"newsize" => $newsize,
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"sizediff" => $size_diff
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];
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if($oldsize == 0)
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$newchange["newpage"] = true;
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add_recent_change($newchange);
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});
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add_help_section("800-raw-page-content", "Recent Changes", "<p>The <a href='?action=recent-changes'>recent changes</a> page displays a list of all the most recent changes that have happened around $settings->sitename, arranged in chronological order. It can be found in the \"More...\" menu in the top right by default.</p>
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<p>Each entry displays the name of the page in question, who edited it, how long ago they did so, and the number of characters added or removed. Pages that <em>currently</em> redirect to another page are shown in italics, and hovering over the time since the edit wil show the exact time that the edit was made.</p>");
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}
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]);
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/**
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* Adds a new recent change to the recent changes file.
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* @package feature-recent-changes
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* @param array $rchange The new change to add.
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*/
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function add_recent_change($rchange)
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{
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global $settings, $paths;
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$recentchanges = json_decode(file_get_contents($paths->recentchanges), true);
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array_unshift($recentchanges, $rchange);
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// Limit the number of entries in the recent changes file if we've
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// been asked to.
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if(isset($settings->max_recent_changes))
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$recentchanges = array_slice($recentchanges, 0, $settings->max_recent_changes);
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// Save the recent changes file back to disk
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file_put_contents($paths->recentchanges, json_encode($recentchanges, JSON_PRETTY_PRINT));
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}
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/**
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* Renders a list of recent changes to HTML.
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* @package feature-recent-changes
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* @param array $recent_changes The recent changes to render.
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* @return string The given recent changes as HTML.
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*/
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function render_recent_changes($recent_changes)
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{
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global $pageindex;
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// Cache the number of recent changes we are dealing with
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$rchange_count = count($recent_changes);
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// Group changes made on the same page and the same day together
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for($i = 0; $i < $rchange_count; $i++)
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{
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for($s = $i + 1; $s < $rchange_count; $s++)
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{
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// Break out if we have reached the end of the day we are scanning
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if(date("dmY", $recent_changes[$i]->timestamp) !== date("dmY", $recent_changes[$s]->timestamp))
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break;
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// If we have found a change that has been made on the same page and
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// on the same day as the one that we are scanning for, move it up
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// next to the change we are scanning for.
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if($recent_changes[$i]->page == $recent_changes[$s]->page &&
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date("j", $recent_changes[$i]->timestamp) === date("j", $recent_changes[$s]->timestamp))
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{
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// FUTURE: We may need to remove and insert instead of swapping changes around if this causes some changes to appear out of order.
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$temp = $recent_changes[$i + 1];
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$recent_changes[$i + 1] = $recent_changes[$s];
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$recent_changes[$s] = $temp;
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$i++;
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}
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}
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}
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$content = "<ul class='page-list'>\n";
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$last_time = 0;
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for($i = 0; $i < $rchange_count; $i++)
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{
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$rchange = $recent_changes[$i];
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if($last_time !== date("dmY", $rchange->timestamp))
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$content .= "<li class='header'><h2>" . date("jS F", $rchange->timestamp) . "</h2></li>\n";
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$rchange_results = [];
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for($s = $i; $s < $rchange_count; $s++)
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{
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if($recent_changes[$s]->page !== $rchange->page)
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break;
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$rchange_results[$s] = render_recent_change($recent_changes[$s]);
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$i++;
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}
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// Take one from i to account for when we tick over to the next
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// iteration of the main loop
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$i -= 1;
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$next_entry = implode("\n", $rchange_results);
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// If the change count is greater than 1, then we should enclose it
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// in a <details /> tag.
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if(count($rchange_results) > 1)
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{
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reset($rchange_results);
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$rchange_first = $recent_changes[key($rchange_results)];
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end($rchange_results);
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$rchange_last = $recent_changes[key($rchange_results)];
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$pageDisplayHtml = render_pagename($rchange_first);
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$timeDisplayHtml = render_timestamp($rchange_first->timestamp);
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$users = [];
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foreach($rchange_results as $key => $rchange_result)
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{
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if(!in_array($recent_changes[$key]->user, $users))
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$users[] = $recent_changes[$key]->user;
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}
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foreach($users as &$user)
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$user = page_renderer::render_username($user);
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$userDisplayHtml = render_editor(implode(", ", $users));
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$next_entry = "<li><details><summary><a href='?page=" . rawurlencode($rchange_first->page) . "'>$pageDisplayHtml</a> $userDisplayHtml $timeDisplayHtml</summary><ul class='page-list'>$next_entry</ul></details></li>";
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$content .= "$next_entry\n";
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}
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else
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{
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$content .= implode("\n", $rchange_results);
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}
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$last_time = date("dmY", $rchange->timestamp);
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}
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$content .= "\t\t</ul>";
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return $content;
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}
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/**
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* Renders a single recent change
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* @package feature-recent-changes
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* @param object $rchange The recent change to render.
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* @return string The recent change, rendered to HTML.
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*/
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function render_recent_change($rchange)
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{
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global $pageindex;
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$pageDisplayHtml = render_pagename($rchange);
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$editorDisplayHtml = render_editor(page_renderer::render_username($rchange->user));
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$timeDisplayHtml = render_timestamp($rchange->timestamp);
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$revisionId = false;
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if(isset($pageindex->{$rchange->page}) && isset($pageindex->{$rchange->page}->history))
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{
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foreach($pageindex->{$rchange->page}->history as $historyEntry)
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{
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if($historyEntry->timestamp == $rchange->timestamp)
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{
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$revisionId = $historyEntry->rid;
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break;
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}
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}
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}
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$result = "";
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$resultClasses = [];
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switch(isset($rchange->type) ? $rchange->type : "edit")
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{
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case "edit":
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// The number (and the sign) of the size difference to display
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$size_display = ($rchange->sizediff > 0 ? "+" : "") . $rchange->sizediff;
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$size_display_class = $rchange->sizediff > 0 ? "larger" : ($rchange->sizediff < 0 ? "smaller" : "nochange");
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if($rchange->sizediff > 500 or $rchange->sizediff < -500)
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$size_display_class .= " significant";
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$size_title_display = human_filesize($rchange->newsize - $rchange->sizediff) . " -> " . human_filesize($rchange->newsize);
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if(!empty($rchange->newpage))
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$resultClasses[] = "newpage";
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$result .= "<a href='?page=" . rawurlencode($rchange->page) . ($revisionId !== false ? "&revision=$revisionId" : "") . "'>$pageDisplayHtml</a> $editorDisplayHtml $timeDisplayHtml <span class='$size_display_class' title='$size_title_display'>($size_display)</span>";
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break;
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case "deletion":
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$resultClasses[] = "deletion";
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$result .= "$pageDisplayHtml $editorDisplayHtml $timeDisplayHtml";
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break;
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case "upload":
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$resultClasses[] = "upload";
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$result .= "<a href='?page=$rchange->page'>$pageDisplayHtml</a> $editorDisplayHtml $timeDisplayHtml (" . human_filesize($rchange->filesize) . ")";
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break;
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case "comment":
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$resultClasses[] = "new-comment";
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$result .= "<a href='?page=$rchange->page#comment-" . (!empty($rchange->comment_id) ? "$rchange->comment_id" : "unknown_comment_id") . "'>$pageDisplayHtml</a> $editorDisplayHtml";
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}
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$resultAttributes = " " . (count($resultClasses) > 0 ? "class='" . implode(" ", $resultClasses) . "'" : "");
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$result = "\t\t\t<li$resultAttributes>$result</li>\n";
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return $result;
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}
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?>
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