CeVx7DLn

1<?php
2
3  /*
4    Step 1:
5    A simple function to respond with the correct headers
6    and status code. Will convert the response into JSON.
7  */
8  function response ($code, $message) {
9    http_response_code($code);
10    header("Content-Type: application/json");
11    echo json_encode($message);
12  }
13
14  /*
15    The connect function will be availabe to any of our
16    subsequent included files. This means that to interact
17    with our connection, we simply call "dbo()" anywhere.
18  */
19  require_once("connect.php");
20
21  /*
22    Step 2: A ReSTful API requires us to be able to understand the
23    request path provided, as it will determine the key parts
24    needed to build the proper response.
25  */
26  $resolved_path = str_replace(dirname($_SERVER['PHP_SELF']), '', $_SERVER['REQUEST_URI']);
27
28  /*
29    Step 3: The "parts" are the various pieces of our requested path,
30    sorted by concern.
31  */
32  $parts = explode("/", $resolved_path);
33  $root = $parts[0];
34  $resource = $parts[1];
35  $action = empty($parts[2]) ? "index" : $parts[2];
36  $params = isset($parts[3]) ? array_slice($parts, 3, count($parts)) : [];
37
38  /*
39    Step 4: This is the HTTP method used to make the request
40  */
41  $request_method = $_SERVER['REQUEST_METHOD'];
42
43  /*
44    Step 5: The logic below first attempts to see if a resource
45    has been defined (ie: "contacts").
46  */
47  if ($resource) {
48    require_once("{$resource}/controller.php");
49
50    switch ($action) {
51      case "show":
52      case "search":
53      case "index":
54        if ($request_method !== "GET") {
55          response(404, ["status" => "Not Found"]);
56        }
57        break;
58      case "create":
59      case "update":
60      case "delete":
61        if ($request_method !== "POST") {
62          response(404, ["status" => "Not Found"]);
63        }
64        break;
65    }
66
67    return call_user_func_array($action, $params);
68  }