mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
synced 2024-11-24 05:03:00 +00:00
401 lines
15 KiB
PHP
401 lines
15 KiB
PHP
<?php
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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register_module([
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"name" => "Statistics",
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"version" => "0.4.5",
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"author" => "Starbeamrainbowlabs",
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"description" => "An extensible statistics calculation system. Comes with a range of built-in statistics, but can be extended by other modules too.",
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"id" => "feature-stats",
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"code" => function() {
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global $settings, $env;
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/**
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* @api {get} ?action=stats Show wiki statistics
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* @apiName Stats
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* @apiGroup Utility
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* @apiPermission Anonymous
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* @apiVersion 0.15.0
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* @apiParam {string} format Specify the format the data should be returned in. Supported formats: html (default), json.
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* @apiParam {string} stat HTML format only. If specified the page for the stat with this id is sent instead of the list of scalar stats.
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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("stats", function() {
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global $settings, $statistic_calculators;
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$allowed_formats = [ "html", "json" ];
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$format = slugify($_GET["format"] ?? "html");
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if(!in_array($format, $allowed_formats)) {
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http_response_code(400);
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exit(page_renderer::render_main("Format error - $settings->sitename", "<p>Error: The format '$format' is not currently supported by this action on $settings->sitename. Supported formats: " . implode(", ", $allowed_formats) . "."));
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}
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$stats = stats_load();
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if($format == "json") {
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header("content-type: application/json");
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exit(json_encode($stats, JSON_PRETTY_PRINT));
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}
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$stat_pages_list = "<a href='?action=stats'>Main</a> | ";
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foreach($statistic_calculators as $stat_id => $stat_calculator) {
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if($stat_calculator["type"] == "scalar")
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continue;
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$stat_pages_list .= "<a href='?action=stats&stat=" . rawurlencode($stat_id) . "'>{$stat_calculator["name"]}</a> | ";
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}
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$stat_pages_list = trim($stat_pages_list, " |");
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if(!empty($_GET["stat"]) && !empty($statistic_calculators[$_GET["stat"]])) {
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$stat_calculator = $statistic_calculators[$_GET["stat"]];
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$content = "<h1>{$stat_calculator["name"]} - Statistics</h1>\n";
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$content .= "<p>$stat_pages_list</p>\n";
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switch($stat_calculator["type"]) {
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case "page-list":
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if(!module_exists("page-list")) {
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$content .= "<p>$settings->sitename doesn't current have the page listing module installed, so HTML rendering of this statistic is currently unavailable. Try " . hide_email($settings->admindetails_email, "contacting ".htmlentities($settings->admindetails_name)) . ", $settings->sitename's administrator and asking then to install the <code>page-list</code> module.</p>";
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break;
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}
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$content .= "<p><strong>Count:</strong> " . count($stats->{$_GET["stat"]}->value) . "</p>\n";
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$content .= generate_page_list($stats->{$_GET["stat"]}->value);
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break;
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case "page":
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$content .= $stat_calculator["render"]($stats->{$_GET["stat"]});
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break;
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}
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}
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else
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{
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$content = "<h1>Statistics</h1>\n";
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$content .= "<p>This page contains a selection of statistics about $settings->sitename's content. They are updated automatically about every " . trim(str_replace(["ago", "1 "], [""], human_time($settings->stats_update_interval))) . ", although $settings->sitename's local friendly moderators may update them earlier (you can see their names at the bottom of every page).</p>\n";
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$content .= "<p>$stat_pages_list</p>\n";
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$content .= "<table class='stats-table'>\n";
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$content .= "\t<tr><th>Statistic</th><th>Value</th></tr>\n\n";
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foreach($statistic_calculators as $stat_id => $stat_calculator) {
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if($stat_calculator["type"] !== "scalar")
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continue;
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$content .= "\t<tr><td>{$stat_calculator["name"]}</td><td>{$stats->$stat_id->value}</td></tr>\n";
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}
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$content .= "</table>\n";
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}
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exit(page_renderer::render_main("Statistics - $settings->sitename", $content));
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});
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/**
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* @api {get|post} ?action=stats-update Recalculate the wiki's statistics
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* @apiName UpdateStats
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* @apiGroup Utility
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* @apiPermission Administrator
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* @apiVersion 0.15.0
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* @apiParam {string} secret POST only, optional. If you're not logged in, you can specify the wiki's sekret instead (find it in peppermint.json) using this parameter.
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* @apiParam {bool} force Whether the statistics should be recalculated anyway - even if they have already recently been recalculated. Default: no. Supported values: yes, no.
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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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*/
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add_action("stats-update", function() {
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global $env, $paths, $settings;
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if(!$env->is_admin &&
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(
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empty($_POST["secret"]) ||
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$_POST["secret"] !== $settings->secret
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)
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)
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exit(page_renderer::render_main("Error - Recalculating Statistics - $settings->sitename", "<p>You need to be logged in as a moderator or better to get $settings->sitename to recalculate it's statistics. If you're logged in, try <a href='?action=logout'>logging out</a> and logging in again as a moderator. If you aren't logged in, try <a href='?action=login&returnto=%3Faction%3Dstats-update'>logging in</a>.</p>"));
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// Delete the old stats cache
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if(file_exists($paths->statsindex))
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unlink($paths->statsindex);
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update_statistics(true, ($_GET["force"] ?? "no") == "yes");
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header("content-type: application/json");
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echo(file_get_contents($paths->statsindex) . "\n");
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});
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add_help_section("150-statistics", "Statistics", "<p>$settings->sitename records some statistics about itself, including the number of pages, the longest pages, the most wanted pages, the most linked-to pages, and more. They are updated roughly every " . human_time($settings->stats_update_interval) . ", though moderators may occasionally update them sooner.</p>
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<p>You can see these statistics <a href='?action=stats'>here</a>.</p>");
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//////////////////////////
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/// Built-in Statisics ///
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//////////////////////////
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statistic_add([
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"id" => "user_count",
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"name" => "Users",
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"type" => "scalar",
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"update" => function($old_stats) {
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global $settings;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = count(get_object_vars($settings->users));
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return $result;
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}
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]);
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statistic_add([
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"id" => "longest-pages",
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"name" => "Longest Pages",
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"type" => "page-list",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$pages = [];
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foreach($pageindex as $pagename => $pagedata) {
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$pages[$pagename] = $pagedata->size;
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}
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arsort($pages);
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$result->value = array_keys($pages);
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$result->completed = true;
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return $result;
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}
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]);
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statistic_add([
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"id" => "page_count",
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"name" => "Page Count",
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"type" => "scalar",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = count(get_object_vars($pageindex));
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return $result;
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}
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]);
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statistic_add([
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"id" => "file_count",
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"name" => "File Count",
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"type" => "scalar",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = 0;
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foreach($pageindex as $pagename => $pagedata) {
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if(!empty($pagedata->uploadedfile) && $pagedata->uploadedfile)
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$result->value++;
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}
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return $result;
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}
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]);
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statistic_add([
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"id" => "redirect_count",
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"name" => "Redirect Pages",
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"type" => "scalar",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = 0;
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foreach($pageindex as $pagename => $pagedata) {
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if(!empty($pagedata->redirect) && $pagedata->redirect)
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$result->value++;
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}
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return $result;
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}
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]);
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// Perform an automatic recalculation of the statistics if needed, but only if we're not on the CLI
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if($env->action !== "stats-update" && !is_cli())
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update_statistics(false);
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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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if(module_exists("feature-cli")) {
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cli_register("stats", "Interact with and update the wiki statistics", function(array $args) : int {
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global $settings, $env;
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if(count($args) < 1) {
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echo("stats: interact with an manipulate the wiki statistics
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Usage:
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stats {subcommand}
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Subcommands:
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recalculate Recalculates the statistics
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show Shows the current statistics
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");
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return 0;
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}
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switch($args[0]) {
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case "recalculate":
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echo("Updating statistics - ");
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$start_time = microtime(true);
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update_statistics(true, true);
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echo("done in ".round((microtime(true) - $start_time) * 1000, 2)."ms\n");
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echo("Recalculated {$env->perfdata->stats_recalcuated} statistics in {$env->perfdata->stats_calctime}ms (not including serialisation / saving to disk)\n");
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break;
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case "show":
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$stats = stats_load();
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foreach($stats as $name => $stat) {
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$lastupdated = render_timestamp($stat->lastupdated, true, false);
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if(is_object($stat->value)) {
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echo("*** $stat->name *** (last updated $lastupdated)\n");
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$i = 0;
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foreach($stat->value as $key => $value) {
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if($i >= 25) break;
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echo("$key: $value\n");
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$i++;
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}
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}
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else if(is_array($stat->value)) {
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// Display array differently, and truncate to 25 entries
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echo("*** $stat->name *** (last updated $lastupdated)\n");
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echo(implode("\n", array_slice($stat->value, 0, 25)));
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echo("\n");
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}
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else
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echo("$stat->name: ".var_export($stat->value, true)." (last updated $lastupdated)\n");
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echo("\n");
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}
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break;
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}
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return 0;
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});
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}
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}
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]);
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/**
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* Updates the wiki's statistics.
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* @package feature-stats
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* @param bool $update_all Whether all the statistics should be checked and recalculated, or just as many as we have time for according to the settings.
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* @param bool $force Whether we should recalculate statistics that don't currently require recalculating anyway.
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*/
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function update_statistics($update_all = false, $force = false)
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{
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global $settings, $env, $paths, $statistic_calculators;
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// If the firstrun wizard isn't complete, then there's no point in updating the statistics index
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if(isset($settings->firstrun_complete) && $settings->firstrun_complete == false)
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return;
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$stats_mtime = file_exists($paths->statsindex) ? filemtime($paths->statsindex) : 0;
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// Clear the existing statistics if we are asked to recalculate them all
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if($force)
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stats_save(new stdClass());
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// If the stats index exists and has been modified recently, then don't
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// even bother to load it
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// This is an important optimisation, because json_decode is *slow*
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else if(file_exists($paths->statsindex) && time() - $stats_mtime < $settings->stats_update_interval)
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return;
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$stats = stats_load();
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$start_time = microtime(true);
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$ran_out_of_time = false;
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$stats_updated = 0;
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foreach($statistic_calculators as $stat_id => $stat_calculator)
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{
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// If statistic doesn't exist or it's out of date then we should recalculate it.
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// Otherwise, leave it and continue on to the next stat.
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if(!empty($stats->$stat_id) && $start_time - $stats->$stat_id->lastupdated < $settings->stats_update_interval)
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continue;
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$mod_start_time = microtime(true);
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// Run the statistic calculator, passing in the existing stats data
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$calculated = $stat_calculator["update"](!empty($stats->$stat_id) ? $stats->$stat_id : new stdClass());
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$new_stat_data = new stdClass();
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$new_stat_data->id = $stat_id;
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$new_stat_data->name = $stat_calculator["name"];
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$new_stat_data->lastupdated = $calculated->completed ? $mod_start_time : $stats->$stat_id->lastupdated;
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$new_stat_data->value = $calculated->value;
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if(!empty($calculated->state))
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$new_stat_data->state = $calculated->state;
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// Save the new statistics
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$stats->$stat_id = $new_stat_data;
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$stats_updated++;
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// Check to make sure we haven't run out of time to update the statistics this session
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if(!$update_all && microtime(true) - $start_time >= $settings->stats_update_processingtime) {
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$ran_out_of_time = true;
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break;
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}
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}
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$env->perfdata->stats_recalcuated = $stats_updated;
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$env->perfdata->stats_calctime = round((microtime(true) - $start_time)*1000, 3);
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if(!is_cli()) {
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header("x-stats-recalculated: {$env->perfdata->stats_recalcuated}");
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//round((microtime(true) - $pageindex_read_start)*1000, 3)
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header("x-stats-calctime: {$env->perfdata->stats_calctime}ms");
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}
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stats_save($stats);
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// If we ran out of time, reset the mtime for performance reasons (see the
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// beginning of this function)
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if($ran_out_of_time)
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touch($paths->statsindex, $stats_mtime);
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}
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/**
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* Loads and returns the statistics cache file.
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* @package feature-stats
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* @return object The loaded & decoded statistics.
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*/
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function stats_load()
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{
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global $paths;
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static $stats = null;
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if($stats == null)
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$stats = file_exists($paths->statsindex) ? json_decode(file_get_contents($paths->statsindex)) : new stdClass();
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return $stats;
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}
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/**
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* Saves the statistics back to disk.
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* @package feature-stats
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* @param object The statistics cache to save.
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* @return bool Whether saving succeeded or not.
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*/
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function stats_save($stats)
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{
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global $paths;
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return file_put_contents($paths->statsindex, json_encode($stats, JSON_PRETTY_PRINT) . "\n");
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}
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