add simple search to log view

includes/model/LogEntries_model.php

@@ -18,4 +18,11 @@ function LogEntries() {
   return sql_select("SELECT * FROM `LogEntries` ORDER BY `timestamp` DESC LIMIT 10000");
 }
 
+/**
+ * Returns log entries filtered by a keyword
+ */
+function LogEntries_filter($keyword) {
+  return sql_select("SELECT * FROM `LogEntries` WHERE `nick` LIKE '%" . sql_escape($keyword) . "%' OR `message` LIKE '%" . sql_escape($keyword) . "%' ORDER BY `timestamp` DESC");
+}
+
 ?>

includes/pages/admin_log.php

@@ -4,7 +4,15 @@ function admin_log_title() {
 }
 
 function admin_log() {
-  $log_entries_source = LogEntries();
+
+  if (isset($_POST['keyword'])) {
+    $filter = $_POST['keyword'];
+    $log_entries_source = LogEntries_filter($_POST['keyword']);
+  } else {
+    $filter = "";
+    $log_entries_source = LogEntries();
+  }
+
   $log_entries = array();
   foreach ($log_entries_source as $log_entry) {
     $log_entry['date'] = date("d.m.Y H:i", $log_entry['timestamp']);
@@ -13,6 +21,10 @@ function admin_log() {
 
   return page_with_title(admin_log_title(), array(
       msg(),
+      form(array(
+        form_text('keyword', _("Suche"), $filter),
+        form_submit(_("Suche"), "Go")
+      )),
       table(array(
           'date' => "Time",
           'nick' => "Angel",