Add feature REST API

application/controllers/Rest_server.php

@@ -0,0 +1,13 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Rest_server extends CI_Controller {
+
+    public function index()
+    {
+        $this->load->helper('url');
+
+        $this->load->view('rest_server');
+    }
+}

application/controllers/api/Example.php

@@ -0,0 +1,142 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+// This can be removed if you use __autoload() in config.php OR use Modular Extensions
+/** @noinspection PhpIncludeInspection */
+require APPPATH . '/libraries/REST_Controller.php';
+
+// use namespace
+use Restserver\Libraries\REST_Controller;
+
+/**
+ * This is an example of a few basic user interaction methods you could use
+ * all done with a hardcoded array
+ *
+ * @package         CodeIgniter
+ * @subpackage      Rest Server
+ * @category        Controller
+ * @author          Phil Sturgeon, Chris Kacerguis
+ * @license         MIT
+ * @link            https://github.com/chriskacerguis/codeigniter-restserver
+ */
+class Example extends REST_Controller {
+
+    function __construct()
+    {
+        // Construct the parent class
+        parent::__construct();
+
+        // Configure limits on our controller methods
+        // Ensure you have created the 'limits' table and enabled 'limits' within application/config/rest.php
+        $this->methods['users_get']['limit'] = 500; // 500 requests per hour per user/key
+        $this->methods['users_post']['limit'] = 100; // 100 requests per hour per user/key
+        $this->methods['users_delete']['limit'] = 50; // 50 requests per hour per user/key
+    }
+
+    public function users_get()
+    {
+        // Users from a data store e.g. database
+        $users = [
+            ['id' => 1, 'name' => 'John', 'email' => '[email protected]', 'fact' => 'Loves coding'],
+            ['id' => 2, 'name' => 'Jim', 'email' => '[email protected]', 'fact' => 'Developed on CodeIgniter'],
+            ['id' => 3, 'name' => 'Jane', 'email' => '[email protected]', 'fact' => 'Lives in the USA', ['hobbies' => ['guitar', 'cycling']]],
+        ];
+
+        $id = $this->get('id');
+
+        // If the id parameter doesn't exist return all the users
+
+        if ($id === NULL)
+        {
+            // Check if the users data store contains users (in case the database result returns NULL)
+            if ($users)
+            {
+                // Set the response and exit
+                $this->response($users, REST_Controller::HTTP_OK); // OK (200) being the HTTP response code
+            }
+            else
+            {
+                // Set the response and exit
+                $this->response([
+                    'status' => FALSE,
+                    'message' => 'No users were found'
+                ], REST_Controller::HTTP_NOT_FOUND); // NOT_FOUND (404) being the HTTP response code
+            }
+        }
+
+        // Find and return a single record for a particular user.
+        else {
+            $id = (int) $id;
+
+            // Validate the id.
+            if ($id <= 0)
+            {
+                // Invalid id, set the response and exit.
+                $this->response(NULL, REST_Controller::HTTP_BAD_REQUEST); // BAD_REQUEST (400) being the HTTP response code
+            }
+
+            // Get the user from the array, using the id as key for retrieval.
+            // Usually a model is to be used for this.
+
+            $user = NULL;
+
+            if (!empty($users))
+            {
+                foreach ($users as $key => $value)
+                {
+                    if (isset($value['id']) && $value['id'] === $id)
+                    {
+                        $user = $value;
+                    }
+                }
+            }
+
+            if (!empty($user))
+            {
+                $this->set_response($user, REST_Controller::HTTP_OK); // OK (200) being the HTTP response code
+            }
+            else
+            {
+                $this->set_response([
+                    'status' => FALSE,
+                    'message' => 'User could not be found'
+                ], REST_Controller::HTTP_NOT_FOUND); // NOT_FOUND (404) being the HTTP response code
+            }
+        }
+    }
+
+    public function users_post()
+    {
+        // $this->some_model->update_user( ... );
+        $message = [
+            'id' => 100, // Automatically generated by the model
+            'name' => $this->post('name'),
+            'email' => $this->post('email'),
+            'message' => 'Added a resource'
+        ];
+
+        $this->set_response($message, REST_Controller::HTTP_CREATED); // CREATED (201) being the HTTP response code
+    }
+
+    public function users_delete()
+    {
+        $id = (int) $this->get('id');
+
+        // Validate the id.
+        if ($id <= 0)
+        {
+            // Set the response and exit
+            $this->response(NULL, REST_Controller::HTTP_BAD_REQUEST); // BAD_REQUEST (400) being the HTTP response code
+        }
+
+        // $this->some_model->delete_something($id);
+        $message = [
+            'id' => $id,
+            'message' => 'Deleted the resource'
+        ];
+
+        $this->set_response($message, REST_Controller::HTTP_NO_CONTENT); // NO_CONTENT (204) being the HTTP response code
+    }
+
+}