new folder structure for php scripts

renamed api nodes
php braces on same line

api/src/handlers/RequestBase.php

@@ -0,0 +1,50 @@
+<?php
+require_once 'src/Database.php';
+
+abstract class RequestBase {
+    protected mysqli $conn;
+    private array $actions = array();
+
+    /**
+     * adds a new action handler to the current api file
+     *
+     * @param $action string name of the action variable
+     * @param $callback Closure callback function to be called
+     */
+    function addActionHandler($action, $callback) {
+        $this->actions[$action] = $callback;
+    }
+
+    /**
+     * runs the correct handler
+     * should be called once within the api request
+     */
+    function handleAction() {
+        $this->conn = Database::getInstance()->getConnection();
+
+        if (isset($_POST['action'])) {
+            $this->initHandlers();
+
+            $action = $_POST['action'];
+
+            // call the right handler
+            $this->actions[$action]();
+        } else {
+            echo('{data:"error"}');
+        }
+    }
+
+    /**
+     * Send response message and exit script
+     * @param $message string the response message
+     */
+    function commitMessage($message){
+        echo $message;
+        exit(0);
+    }
+
+    /**
+     * add the action handlers in this abstract method
+     */
+    abstract function initHandlers();
+}