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Pepperminty-Wiki/modules/feature-stats.php

167 lines
5 KiB
PHP

<?php
register_module([
"name" => "Statistics",
"version" => "0.1",
"author" => "Starbeamrainbowlabs",
"description" => "An extensible statistics calculation system. Comes with a range of built-in statistics, but can be extended by other modules too.",
"id" => "feature-stats",
"code" => function() {
global $settings;
/**
* @api {get} ?action=raw&page={pageName} Get the raw source code of a page
* @apiName RawSource
* @apiGroup Page
* @apiPermission Anonymous
*
* @apiParam {string} page The page to return the source of.
*/
/*
* ██████ █████ ██ ██
* ██ ██ ██ ██ ██ ██
* ██████ ███████ ██ █ ██
* ██ ██ ██ ██ ██ ███ ██
* ██ ██ ██ ██ ███ ███
*/
add_action("stats-update", function() {
global $env, $paths, $settings;
if(!$env->is_admin &&
(
empty($_POST["secret"]) ||
$_POST["secret"] !== $settings->secret
)
)
if(!$env->is_admin)
exit(page_renderer::render_main("Error - Recalculating Statistics - $settings->sitename", "<p>You need to be logged in as a moderator or better to get $settings->sitename to recalculate it's statistics. If you're logged in, try <a href='?action=logout'>logging out</a> and logging in again as a moderator. If you aren't logged in, try <a href='?action=login&returnto=%3Faction%3Dstats-update'>logging in</a>.</p>"));
update_statistics(true);
header("content-type: application/json");
echo(file_get_contents($paths->statsindex) . "\n");
});
add_help_section("150-statistics", "Statistics", "<p></p>");
//////////////////////////
/// Built-in Statisics ///
//////////////////////////
// The longest pages
statistic_add([
"id" => "longest-pages",
"name" => "Longest Pages",
"update" => function($old_stats) {
global $pageindex;
$result = new stdClass(); // completed, value, state
$pages = [];
foreach($pageindex as $pagename => $pagedata) {
$pages[$pagename] = $pagedata->size;
}
arsort($pages);
$result->value = $pages;
$result->completed = true;
return $result;
}
]);
statistic_add([
"id" => "page_count",
"name" => "Page Count",
"update" => function($old_stats) {
global $pageindex;
$result = new stdClass(); // completed, value, state
$result->completed = true;
$result->value = count(get_object_vars($pageindex));
return $result;
}
]);
statistic_add([
"id" => "file_count",
"name" => "File Count",
"update" => function($old_stats) {
global $pageindex;
$result = new stdClass(); // completed, value, state
$result->completed = true;
$result->value = 0;
foreach($pageindex as $pagename => $pagedata) {
if(!empty($pagedata->uploadedfile) && $pagedata->uploadedfile)
$result->value++;
}
return $result;
}
]);
}
]);
function update_statistics($update_all = false)
{
global $settings, $statistic_calculators;
$stats = stats_load();
$start_time = microtime(true);
$stats_updated = 0;
foreach($statistic_calculators as $stat_id => $stat_calculator)
{
// If statistic doesn't exist or it's out of date then we should recalculate it.
// Otherwise, leave it and continue on to the next stat.
if(!empty($stats->$stat_id) && $start_time - $stats->$stat_id->lastupdated < $settings->stats_update_interval)
continue;
$mod_start_time = microtime(true);
// Run the statistic calculator, passing in the existing stats data
$calculated = $stat_calculator["update"](!empty($stats->$stat_id) ? $stats->$stat_id : new stdClass());
$new_stat_data = new stdClass();
$new_stat_data->id = $stat_id;
$new_stat_data->name = $stat_calculator["name"];
$new_stat_data->lastupdated = $calculated->completed ? $mod_start_time : $stats->$stat_id->lastupdated;
$new_stat_data->value = $calculated->value;
if(!empty($calculated->state))
$new_stat_data->state = $calculated->state;
// Save the new statistics
$stats->$stat_id = $new_stat_data;
$stats_updated++;
if(!$update_all && microtime(true) - $start_time >= $stats_update_processingtime)
break;
}
header("x-stats-recalculated: $stats_updated");
//round((microtime(true) - $pageindex_read_start)*1000, 3)
header("x-stats-calctime: " . round((microtime(true) - $start_time)*1000, 3) . "ms");
stats_save($stats);
}
/**
* Loads and returns the statistics cache file.
* @return object The loaded & decoded statistics.
*/
function stats_load()
{
global $paths;
static $stats = null;
if($stats == null)
$stats = file_exists($paths->statsindex) ? json_decode(file_get_contents($paths->statsindex)) : new stdClass();
return $stats;
}
/**
* Saves the statistics back to disk.
* @param object The statistics cache to save.
* @return bool Whether saving succeeded or not.
*/
function stats_save($stats)
{
global $paths;
return file_put_contents($paths->statsindex, json_encode($stats, JSON_PRETTY_PRINT) . "\n");
}