Add contact messages to admin panel

application/models/ContactModel.php

@@ -0,0 +1,41 @@
+<?php
+    defined('BASEPATH') OR exit('No direct script access allowed');
+
+    class ContactModel extends CI_Model
+    {
+
+        public function __construct()
+        {
+            parent::__construct();
+        }
+
+        public function getContactMessages()
+        {
+            $results = $this->db->query('SELECT * FROM contact_messages ORDER BY isUnread DESC')->result_array();
+            $results = $this->mergeUserName($results);
+            return $results;
+        }
+
+        private function mergeUserName($results)
+        {
+            foreach ($results as $i => $result) {
+                $result['username'] = null;
+                $result['displayname'] = null;
+                if ($result['userID'] == null)
+                    goto next;
+
+                $user = $this->db->query('SELECT displayname, username FROM users WHERE ID = ?', [$result['userID']])->result_array();
+                if (empty($user)) {
+                    $result['userID'] = null;
+                    goto next;
+                }
+
+                $user = $user[0];
+                $result['username'] = $user['username'];
+                $result['displayname'] = $user['displayname'];
+
+                next: $results[$i] = $result;
+            }
+            return $results;
+        }
+    }