Adding hosting total size checker see BT#8703

main/cron/hosting_total_size_limit.php

@@ -0,0 +1,117 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+require_once __DIR__.'/../inc/global.inc.php';
+require_once __DIR__.'/../../vendor/autoload.php';
+
+/**
+ * Checks total platform size
+ * @param bool $debug
+ *
+ * @return bool
+ */
+function isTotalPortalSizeBiggerThanLimit($debug = true)
+{
+    $sizeLimit = api_get_configuration_value('hosting_total_size_limit');
+    if (empty($sizeLimit)) {
+        return true;
+    }
+
+    $updateFile = true;
+    $file = api_get_path(SYS_COURSE_PATH).'hosting_total_size.php';
+
+    // Default data
+    $hostingData = array(
+        'frequency' => 86400,
+    );
+
+    $log = null;
+
+    // Check if file exists and if it is updated
+    if (file_exists($file)) {
+        $hostingDataFromFile = require $file;
+
+        // Check time() is UTC
+        if (isset($hostingDataFromFile['updated_at']) &&
+            isset($hostingDataFromFile['frequency']) &&
+            isset($hostingDataFromFile['size'])
+        ) {
+            $hostingData = $hostingDataFromFile;
+
+            $time = $hostingData['updated_at'] + $hostingData['frequency'];
+            $diff = $time - time();
+
+            if ($time > time()) {
+                $log .= "You need to wait $diff seconds to update the file \n";
+                $updateFile = false;
+            }
+        }
+    }
+
+    // Now get values for total portal size
+    $log .= "Frequency loaded: ".$hostingData['frequency']."\n";
+
+    if ($updateFile) {
+        $log .= "Updating total size ... \n";
+        $totalSize = calculateTotalPortalSize($debug);
+        $log .= "Total size calculated: $totalSize \n";
+
+        $hostingData['updated_at'] = time();
+        $hostingData['size'] = $totalSize;
+
+        $writer = new Zend\Config\Writer\PhpArray();
+        $phpCode = $writer->toString($hostingData);
+        file_put_contents($file, $phpCode);
+        $log .= "File saved in $file \n";
+    } else {
+        $log .= "Total size not updated \n";
+        $totalSize = $hostingData['size'];
+    }
+
+    $result = true;
+
+    if ($totalSize > $sizeLimit) {
+        $log .= "Total size is bigger than limit: $sizeLimit MB \n";
+        $result = false;
+    }
+
+    if ($debug) {
+        echo $log;
+    }
+
+    return $result;
+}
+
+/**
+ * @param bool $debug
+ *
+ * @return int
+ */
+function calculateTotalPortalSize($debug)
+{
+    $table = Database::get_course_table(TABLE_DOCUMENT);
+    // Documents
+    $sql = "SELECT SUM(size) total FROM $table
+            WHERE filetype = 'file' AND c_id <> ''";
+    $result = Database::query($sql);
+    $row = Database::fetch_array($result, 'ASSOC');
+    $totalSize = $row['total'];
+
+    if ($debug) {
+        echo "Total size in table $table " . (round($totalSize / 1024)) . " MB \n";
+    }
+
+    $table = Database::get_course_table(TABLE_FORUM_ATTACHMENT);
+    $sql = "SELECT SUM(size) total FROM $table WHERE c_id <> ''";
+    $result = Database::query($sql);
+    $row = Database::fetch_array($result, 'ASSOC');
+    $subTotal = $row['total'];
+    $totalSize += $subTotal;
+    if ($debug) {
+        echo "Total size in table $table " . (round($subTotal / 1024)) . " MB \n";
+    }
+
+    return $totalSize;
+}
+
+isTotalPortalSizeBiggerThanLimit(true);