Show database size in system_database.php status panel.

Author: jbtronics

lib/Database.php

@@ -952,4 +952,25 @@ public function setDataFields($tablename, $id, $values)
 
         $this->execute($query, $values);
     }
+
+    public function getDatabaseSize()
+    {
+        global $config;
+
+        if ($config['db']['type'] != "mysql") {
+            throw new \Exception(_("Datenbankgröße kann nur für MySQL Datenbanken ermittelt werden!"));
+        }
+
+        $query = 'SELECT '
+            . ' ROUND(SUM(data_length + index_length) / 1024 / 1024, 3) AS `size`'
+            . ' FROM information_schema.TABLES'
+            . ' WHERE table_schema = "part-db"'
+            . ' GROUP BY table_schema; ';
+
+        $values[] = $config['db']['name'];
+
+        $data = $this->query($query, $values);
+
+        return (float) $data[0]["size"];
+    }
 }

system_database.php

@@ -209,6 +209,15 @@
     }
 }
 
+if(!$fatal_error) {
+    try {
+        $size = $database->getDatabaseSize();
+        $html->setVariable("db_size", $size);
+    } catch (Exception $e) {
+        $messages[] = array('text' => nl2br($e->getMessage()), 'strong' => true, 'color' => 'red', );
+    }
+}
+
 try {
     $html->setVariable('hide_status', $fatal_error, 'boolean');
     if (isset($current_user) && is_object($current_user)) {

templates/nextgen/system_database.php/smarty_system_database.tpl

@@ -15,7 +15,7 @@
         </div>
 
         <form action="" method="post" class="form-horizontal no-progbar">
-            <table class="table">
+            <table class="table table-sm">
                 <thead>
                 <tr>
                     <th>{t}Eigenschaft{/t}</th>
@@ -40,6 +40,13 @@
                         {$latest_version}
                     </td>
                 </tr>
+
+                {if isset($db_size)}
+                <tr>
+                    <td>{t}Datenbank Größe{/t}</td>
+                    <td>{$db_size} MB</td>
+                </tr>
+                {/if}
                 </tbody>
             </table>