surveyor_indonesia_backend/app/Http/Controllers/AuthController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Auth;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;

use App\Models\User;
use App\Models\Role;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\Password;
use Illuminate\Validation\ValidationException;
class AuthController extends Controller
{
	public function __construct()
	{
		$this->middleware('auth:api', ['except' => ['login']]);
	}

	public function login(Request $request)
	{
		$username  = $request->username;
		$password  = $request->password;
		$remember  = $request->remember;
		$is_mobile = $request->is_mobile;

		if(empty($username) || empty($password))
			return response()->json(['status'=>'error','message'=>'You must fill all the fields'], 400);

		$usernameCheck = false;
		$passwordCheck = false;
		
		if (User::where('username', $username)->exists()) 
			$usernameCheck = true;

		if (User::where('password', md5($password))->exists()) 
			$passwordCheck = true;

		if ($usernameCheck & $passwordCheck){
			$user = User::where('username', $username)->where('password', md5($password))->first();
			if($is_mobile){
				$fcm_token = $request->fcm_token;

				if(!$fcm_token || $fcm_token=="")
					return response()->json(['status'=>'error','message'=>'FCM Token is required'], 400);

				$dataUpdateFcm = array(
					"fcm_token"=>$fcm_token
				);

				$hr = User::find($user->id);

				if($hr)
					$hr->update($dataUpdateFcm);
			}

			$dataRole = Role::find($user->role_id);

			if($dataRole)
				$user->role = $dataRole;

			if (! $token =Auth::login($user))
				return response()->json(['error' => 'Unauthorized'], 401);

			$ttl = 60;
			if($remember)
				$ttl = 10080;

			// todo : change existing md5 hashed function to laravel's originally bcrypt
			/* $token = auth()->setTTL($ttl)->attempt(['username' => $username, 'password' => Hash::make($password)]); */
			/* dd(response()->json(['code'=>'200', 'token' => $token, 'ttl' => $ttl])); */

			return response()->json([
				'code' => 200,
				'data' => array(
					'data_user' => $user,
					'access_token' => $token,
					'token_type' => 'bearer',
					'expires_in' => auth()->factory()->getTTL() * $ttl,
				),
			]);
		}else {
			if (!$usernameCheck && !$passwordCheck)
				return response()->json(['code' => 201, 'message' => "username and password doesn't match"], 201);
			if (!$passwordCheck)
				return response()->json(['code' => 201, 'message' => "password doesn't match"], 201);
			if (!$usernameCheck)
				return response()->json(['code' => 201, 'message' => "username doesn't match"], 201);
		} 
	}
}