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Expense Manager App – Login API
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Login API
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Expense Manager App – Customer API
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Customer API
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Expense Manager App – Product API
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Product API
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Expense Manager App – Payment Mode API
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Payment Mode API
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CodeIgniter 4 API Tutorial

To create a login functionality for an Expense Manager App using CodeIgniter 4, you’ll need to set up the necessary controllers, views, and models. Here’s a step-by-step guide to implementing the login feature:

1. Database Setup

Create a database table named login_info for storing user information.

CREATE TABLE `login_info` (
  `id` int(10) NOT NULL AUTO_INCREMENT PRIMARY KEY,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `password` varchar(255) NOT NULL,
  `country_code` varchar(10) NOT NULL,
  `mobile_number` varchar(100) NOT NULL,
  `branch_id` varchar(10) DEFAULT NULL,
  `image_url` text NOT NULL,
  `role` varchar(255) NOT NULL,
  `access_group_id` varchar(10) NOT NULL,
  `city` varchar(255) NOT NULL,
  `secret_token` varchar(255) NOT NULL,
  `ip_address` varchar(255) NOT NULL,
  `created_at` datetime NOT NULL,
  `updated_at` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
  `status` varchar(10) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

 

2. Create the Model

Create a model named CustomerModel.php in the app/Models/customer directory.

class CustomerModel extends Model {

    protected $db;
    public function __construct(ConnectionInterface &$db) {
        $this->db =& $db;

        $this->table = 'customer_info';
    }

    public function addEntry($data) {
        $this->db
                ->table($this->table)
                        ->insert($data);
        return $this->db->insertID();
    }

    public function updateEntry($where, $data) {
        return $this->db
                ->table($this->table)
                        ->where($where)
                        ->set($data)
                        ->update();
    }

    public function deleteEntry($where) {
        return $this->db
                ->table($this->table)
                        ->where($where)
                        ->delete();
    }

    public function getEntry($where) {
        return $this->db
                ->table($this->table)
                        ->where($where)
                        ->get()
                        ->getRow();

    }

    public function getEntryList($where = 0, $start = 0, $limit = 0, $columnName = 0, $orderBy = 0) {
        $builder = $this->db->table($this->table);
        if($where)
            $builder->where($where);
        if($columnName && $orderBy)
            $builder->orderBy($columnName, $orderBy);
        if($limit)
            $builder->limit($limit, $start);
        return $builder
                ->get()
                    ->getResult();
    }

}

 

Create the Controller

Create a controller named LoginApi.php in the app/Controllers/api/v1 directory.

class LoginApi extends BaseController {

    public function __construct() {
        $db = db_connect();

        $this->login                    = new LoginModel($db);

        $this->ip_address               = $_SERVER['REMOTE_ADDR'];
        $this->datetime                 = date("Y-m-d H:i:s");
    }

    public function index() {
    }

    public function login() {
        $email      = $this->request->getPost('email');
        $password   = $this->request->getPost('password');

        $where = [
        'email'     => $email,
                'password'  => md5($password),
                'status'    => '1',
        ];
        $result     = $this->login->getEntry($where);
        if($result) {
            $json = [
            'status'    => true,
                    'message'   => 'Logged in successfully',
                    'result'    => $result,
            ];
        } else {
            $json = [
            'status'    => false,
                    'message'   => 'Something went wrong. Please try again!',
            ];
        }
        echo json_encode($json);
    }
}

 

3. Configure Routes

Update your app/Config/Routes.php file to add routes for the login functionality.


// Routes
$routes->group('api', function($routes) {

   // Login
   $routes->group('v1', function($routes) {
        // Login
        $routes->post('login',     'api/v1/LoginApi::login');
   });
});

 

NOTE: Please replace the forward slash in Routes.php with the backward slash in your code.

This basic implementation provides a secure login feature for the Expense Manager App using CodeIgniter 4.

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