Implemented customers API resource controller.

src/application/controllers/api/v1/Customers.php

@@ -13,6 +13,10 @@
 
 require_once __DIR__ . '/API_V1_Controller.php';
 
+use \EA\Engine\Api\V1\Response;
+use \EA\Engine\Api\V1\Request;
+use \EA\Engine\Types\NonEmptyString;
+
 /**
  * Customers Controller
  *
@@ -20,31 +24,75 @@ require_once __DIR__ . '/API_V1_Controller.php';
  * @subpackage API
  */
 class Customers extends API_V1_Controller {
+    /**
+     * Customers Resource Parser
+     * 
+     * @var \EA\Engine\Api\V1\Parsers\Customers
+     */
+    protected $parser;
+
     /**
      * Class Constructor
      */
     public function __construct() {
         parent::__construct();
+        $this->load->model('customers_model'); 
+        $this->parser = new \EA\Engine\Api\V1\Parsers\Customers;
     }
 
     /**
      * GET API Method 
      * 
      * @param int $id Optional (null), the record ID to be returned.
-     * 
-     * @return \EA\Engine\Api\V1\Response Returns data response. 
      */
     public function get($id = null) {
+        try {
+            $condition = $id !== null ? 'id = ' . $id : null; 
+            $customers = $this->customers_model->get_batch($condition); 
 
+            if ($id !== null && count($customers) === 0) {
+                $this->_throwRecordNotFound();
+            }
+
+            $response = new Response($customers);
+
+            $response->encode($this->parser)
+                    ->search()
+                    ->sort()
+                    ->paginate()
+                    ->minimize()
+                    ->singleEntry($id)
+                    ->output();
+
+        } catch (\Exception $exception) {
+            $this->_handleException($exception);
+        }
     }
 
     /**
      * POST API Method 
-     * 
-     * @return @return \EA\Engine\Api\V1\Response Returns data response. 
      */
     public function post() {
+        try {
+            // Insert the customer to the database. 
+            $request = new Request(); 
+            $customer = $request->getBody(); 
+            $this->parser->decode($customer); 
             
+            if (isset($customer['id'])) {
+                unset($customer['id']);
+            }
+
+            $id = $this->customers_model->add($customer);
+
+            // Fetch the new object from the database and return it to the client.
+            $batch = $this->customers_model->get_batch('id = ' . $id); 
+            $response = new Response($batch); 
+            $status = new NonEmptyString('201 Created');
+            $response->encode($this->parser)->singleEntry(true)->output($status);
+        } catch (\Exception $exception) {
+            $this->_handleException($exception);
+        }
     }
 
     /**
@@ -55,7 +103,28 @@ class Customers extends API_V1_Controller {
      * @return @return \EA\Engine\Api\V1\Response Returns data response. 
      */
     public function put($id) {
+        try {
+            // Update the customer record. 
+            $batch = $this->customers_model->get_batch('id = ' . $id); 
 
+            if ($id !== null && count($batch) === 0) {
+                $this->_throwRecordNotFound();
+            }
+            
+            $request = new Request(); 
+            $updatedCustomer = $request->getBody(); 
+            $baseCustomer = $batch[0];
+            $this->parser->decode($updatedCustomer, $baseCustomer); 
+            $updatedCustomer['id'] = $id; 
+            $id = $this->customers_model->add($updatedCustomer);
+            
+            // Fetch the updated object from the database and return it to the client.
+            $batch = $this->customers_model->get_batch('id = ' . $id); 
+            $response = new Response($batch); 
+            $response->encode($this->parser)->singleEntry($id)->output(); 
+        } catch (\Exception $exception) {
+            $this->_handleException($exception);
+        }
     }
 
     /**
@@ -66,7 +135,18 @@ class Customers extends API_V1_Controller {
      * @return @return \EA\Engine\Api\V1\Response Returns data response. 
      */
     public function delete($id) {
+        try {
+            $result = $this->customers_model->delete($id);
 
+            $response = new Response([
+                'code' => 200, 
+                'message' => 'Appointment was deleted successfully!'
+            ]);
+
+            $response->output();
+        } catch (\Exception $exception) {
+            $this->_handleException($exception);
+        }
     }
 }