Fixes (#435)

* Add flight level field to PIREP field closes #401

* Default value for distance 0 closes #400

* Block airline deletion if assets exist #367

* Formatting

* Move some of the base exception classes

* Fix skin references to use settings table

* Set default for theme name if setting is wrong

app/Exceptions/AbstractHttpException.php

@@ -3,8 +3,12 @@
 namespace App\Exceptions;
 
 use Symfony\Component\HttpKernel\Exception\HttpException as SymfonyHttpException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 
-abstract class HttpException extends SymfonyHttpException
+/**
+ * Abstract class for an exception which needs to satisty the RFC 78707 interface
+ */
+abstract class AbstractHttpException extends SymfonyHttpException implements HttpExceptionInterface
 {
     /**
      * Return the RFC 7807 error type (without the URL root)
@@ -45,7 +49,7 @@ abstract class HttpException extends SymfonyHttpException
     /**
      * Return a response object that can be used by Laravel
      *
-     * @return \Illuminate\Http\JsonResponse
+     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Response
      */
     public function getResponse()
     {
@@ -53,11 +57,6 @@ abstract class HttpException extends SymfonyHttpException
         $headers['content-type'] = 'application/problem+json';
         $headers = array_merge($headers, $this->getHeaders());
 
-        return response()
-            ->json(
-                $this->getJson(),
-                $this->getStatusCode(),
-                $headers
-            );
+        return response()->json($this->getJson(), $this->getStatusCode(), $headers);
     }
 }

app/Exceptions/AircraftNotAtAirport.php

@@ -7,7 +7,7 @@ use App\Models\Aircraft;
 /**
  * Class AircraftNotAtAirport
  */
-class AircraftNotAtAirport extends HttpException
+class AircraftNotAtAirport extends AbstractHttpException
 {
     public const MESSAGE = 'The aircraft is not at the departure airport';
 

app/Exceptions/AircraftPermissionDenied.php

@@ -5,7 +5,7 @@ namespace App\Exceptions;
 use App\Models\Aircraft;
 use App\Models\User;
 
-class AircraftPermissionDenied extends HttpException
+class AircraftPermissionDenied extends AbstractHttpException
 {
     public const MESSAGE = 'User is not allowed to fly this aircraft';
 

app/Exceptions/AirportNotFound.php

@@ -2,7 +2,7 @@
 
 namespace App\Exceptions;
 
-class AirportNotFound extends HttpException
+class AirportNotFound extends AbstractHttpException
 {
     private $icao;
 

app/Exceptions/AssetNotFound.php

@@ -1,11 +1,10 @@
 <?php
 
-namespace App\Exceptions\Converters;
+namespace App\Exceptions;
 
-use App\Exceptions\HttpException;
 use Exception;
 
-class NotFound extends HttpException
+class AssetNotFound extends AbstractHttpException
 {
     private $exception;
 

app/Exceptions/BidExistsForFlight.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\Flight;
 
-class BidExistsForFlight extends HttpException
+class BidExistsForFlight extends AbstractHttpException
 {
     private $flight;
 

app/Exceptions/Converters/GenericExceptionAbstract.php

@@ -2,10 +2,10 @@
 
 namespace App\Exceptions\Converters;
 
-use App\Exceptions\HttpException;
+use App\Exceptions\AbstractHttpException;
 use Exception;
 
-class GenericException extends HttpException
+class GenericExceptionAbstract extends AbstractHttpException
 {
     private $exception;
 

app/Exceptions/Converters/SymfonyException.php

@@ -2,10 +2,10 @@
 
 namespace App\Exceptions\Converters;
 
-use App\Exceptions\HttpException;
+use App\Exceptions\AbstractHttpException;
 use Symfony\Component\HttpKernel\Exception\HttpException as SymfonyHttpException;
 
-class SymfonyException extends HttpException
+class SymfonyException extends AbstractHttpException
 {
     private $exception;
 

app/Exceptions/Converters/ValidationException.php

@@ -2,11 +2,10 @@
 
 namespace App\Exceptions\Converters;
 
-use App\Exceptions\HttpException;
-use Illuminate\Support\Facades\Log;
+use App\Exceptions\AbstractHttpException;
 use Illuminate\Validation\ValidationException as IlluminateValidationException;
 
-class ValidationException extends HttpException
+class ValidationException extends AbstractHttpException
 {
     private $validationException;
     private $errorDetail;

app/Exceptions/DuplicateFlight.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\Flight;
 
-class DuplicateFlight extends HttpException
+class DuplicateFlight extends AbstractHttpException
 {
     private $flight;
 

app/Exceptions/Handler.php

@@ -2,8 +2,7 @@
 
 namespace App\Exceptions;
 
-use App\Exceptions\Converters\GenericException;
-use App\Exceptions\Converters\NotFound;
+use App\Exceptions\Converters\GenericExceptionAbstract;
 use App\Exceptions\Converters\SymfonyException;
 use App\Exceptions\Converters\ValidationException;
 use Exception;
@@ -33,7 +32,7 @@ class Handler extends ExceptionHandler
     protected $dontReport = [
         AuthenticationException::class,
         AuthorizationException::class,
-        HttpException::class,
+        AbstractHttpException::class,
         IlluminateValidationException::class,
         ModelNotFoundException::class,
         SymfonyHttpException::class,
@@ -53,7 +52,7 @@ class Handler extends ExceptionHandler
         if ($request->is('api/*')) {
             Log::error('API Error', $exception->getTrace());
 
-            if ($exception instanceof HttpException) {
+            if ($exception instanceof AbstractHttpException) {
                 return $exception->getResponse();
             }
 
@@ -63,7 +62,7 @@ class Handler extends ExceptionHandler
 
             if ($exception instanceof ModelNotFoundException ||
                 $exception instanceof NotFoundHttpException) {
-                $error = new NotFound($exception);
+                $error = new AssetNotFound($exception);
                 return $error->getResponse();
             }
 
@@ -79,11 +78,11 @@ class Handler extends ExceptionHandler
                 return $error->getResponse();
             }
 
-            $error = new GenericException($exception);
+            $error = new GenericExceptionAbstract($exception);
             return $error->getResponse();
         }
 
-        if ($exception instanceof HttpException
+        if ($exception instanceof AbstractHttpException
             && $exception->getStatusCode() === 403) {
             return redirect()->guest('login');
         }
@@ -112,24 +111,25 @@ class Handler extends ExceptionHandler
     /**
      * Render the given HttpException.
      *
-     * @param HttpException $e
+     * @param AbstractHttpException $e
      *
      * @return \Illuminate\Http\Response|Response
      */
     protected function renderHttpException(HttpExceptionInterface $e)
     {
+        Flash::error($e->getMessage());
+
         $status = $e->getStatusCode();
         view()->replaceNamespace('errors', [
-            resource_path('views/layouts/'.config('phpvms.skin').'/errors'),
+            resource_path('views/layouts/'.setting('general.theme', 'default').'/errors'),
             resource_path('views/errors'),
             __DIR__.'/views',
         ]);
 
         if (view()->exists("errors::{$status}")) {
-            //if (view()->exists('layouts' . config('phpvms.skin') .'.errors.' .$status)) {
             return response()->view("errors::{$status}", [
                 'exception' => $e,
-                'SKIN_NAME' => config('phpvms.skin'),
+                'SKIN_NAME' => setting('general.theme', 'default'),
             ], $status, $e->getHeaders());
         }
 

app/Exceptions/PirepCancelNotAllowed.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\Pirep;
 
-class PirepCancelNotAllowed extends HttpException
+class PirepCancelNotAllowed extends AbstractHttpException
 {
     private $pirep;
 

app/Exceptions/PirepCancelled.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\Pirep;
 
-class PirepCancelled extends HttpException
+class PirepCancelled extends AbstractHttpException
 {
     private $pirep;
 

app/Exceptions/Unauthenticated.php

@@ -2,7 +2,7 @@
 
 namespace App\Exceptions;
 
-class Unauthenticated extends HttpException
+class Unauthenticated extends AbstractHttpException
 {
     public function __construct()
     {

app/Exceptions/UserBidLimit.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\User;
 
-class UserBidLimit extends HttpException
+class UserBidLimit extends AbstractHttpException
 {
     private $user;
 

app/Exceptions/UserNotAtAirport.php

@@ -5,7 +5,7 @@ namespace App\Exceptions;
 use App\Models\Airport;
 use App\Models\User;
 
-class UserNotAtAirport extends HttpException
+class UserNotAtAirport extends AbstractHttpException
 {
     public const MESSAGE = 'Pilot is not at the departure airport';
 

app/Exceptions/UserPilotIdExists.php

@@ -4,7 +4,7 @@ namespace App\Exceptions;
 
 use App\Models\User;
 
-class UserPilotIdExists extends HttpException
+class UserPilotIdExists extends AbstractHttpException
 {
     public const MESSAGE = 'A user with this pilot ID already exists';
 

app/Http/Controllers/Admin/AirlinesController.php

@@ -6,27 +6,28 @@ use App\Contracts\Controller;
 use App\Http\Requests\CreateAirlineRequest;
 use App\Http\Requests\UpdateAirlineRequest;
 use App\Repositories\AirlineRepository;
+use App\Services\AirlineService;
 use App\Support\Countries;
-use Flash;
 use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Laracasts\Flash\Flash;
 use Prettus\Repository\Criteria\RequestCriteria;
-use Response;
 
-/**
- * Class AirlinesController
- */
 class AirlinesController extends Controller
 {
     private $airlineRepo;
+    private $airlineSvc;
 
     /**
      * AirlinesController constructor.
      *
      * @param AirlineRepository $airlinesRepo
+     * @param                   $airlineSvc
      */
-    public function __construct(AirlineRepository $airlinesRepo)
+    public function __construct(AirlineRepository $airlinesRepo, AirlineService $airlineSvc)
     {
         $this->airlineRepo = $airlinesRepo;
+        $this->airlineSvc = $airlineSvc;
     }
 
     /**
@@ -145,13 +146,18 @@ class AirlinesController extends Controller
      */
     public function destroy($id)
     {
-        $airlines = $this->airlineRepo->findWithoutFail($id);
+        $airline = $this->airlineRepo->findWithoutFail($id);
 
-        if (empty($airlines)) {
+        if (empty($airline)) {
             Flash::error('Airlines not found');
             return redirect(route('admin.airlines.index'));
         }
 
+        if (!$this->airlineSvc->canDeleteAirline($airline)) {
+            Flash::error('Airlines cannot be deleted; flights/PIREPs/subfleets exist');
+            return redirect(route('admin.airlines.index'));
+        }
+
         $this->airlineRepo->delete($id);
 
         Flash::success('Airlines deleted successfully.');

app/Http/Resources/Acars.php

@@ -22,15 +22,13 @@ class Acars extends Response
         $res = parent::toArray($request);
 
         // Set these to the response units
-        if (!empty($res['distance'])) {
-            $distance = new Distance($res['distance'], config('phpvms.internal_units.distance'));
-            $res['distance'] = $distance->getResponseUnits();
-        }
+        $distance = !empty($res['distance']) ? $res['distance'] : 0;
+        $distance = new Distance($distance, config('phpvms.internal_units.distance'));
+        $res['distance'] = $distance->getResponseUnits();
 
-        if (!empty($res['fuel'])) {
-            $fuel = new Fuel($res['fuel'], config('phpvms.internal_units.fuel'));
-            $res['fuel'] = $fuel->getResponseUnits();
-        }
+        $fuel = !empty($res['fuel']) ? $res['fuel'] : 0;
+        $fuel = new Fuel($fuel, config('phpvms.internal_units.fuel'));
+        $res['fuel'] = $fuel->getResponseUnits();
 
         return $res;
     }

app/Models/Airline.php

@@ -96,4 +96,14 @@ class Airline extends Model
     {
         $this->attributes['icao'] = strtoupper($icao);
     }
+
+    public function flights()
+    {
+        return $this->belongsTo(Flight::class, 'airline_id');
+    }
+
+    public function pireps()
+    {
+        return $this->belongsTo(Pirep::class, 'airline_id');
+    }
 }

app/Models/Pirep.php

@@ -35,6 +35,7 @@ use Illuminate\Support\Collection;
  * @property float       fuel_used
  * @property float       distance
  * @property float       planned_distance
+ * @property int         level
  * @property string      route
  * @property int         score
  * @property User        user
@@ -127,6 +128,7 @@ class Pirep extends Model
         'arr_airport_id' => 'required',
         'block_fuel'     => 'required|numeric',
         'fuel_used'      => 'required|numeric',
+        'level'          => 'nullable|numeric',
         'notes'          => 'nullable',
         'route'          => 'nullable',
     ];
@@ -296,36 +298,6 @@ class Pirep extends Model
         return $field_values->sortBy('source');
     }
 
-    /**
-     * Look up the flight, based on the PIREP flight info
-     *
-     * @param mixed $value
-     *
-     * @return Flight|null
-     */
-    /*public function getFlightAttribute(): ?Flight
-    {
-        if (!empty($this->flight_id)) {
-            return Flight::find($this->flight_id);
-        }
-
-        $where = [
-            'airline_id'    => $this->airline_id,
-            'flight_number' => $this->flight_number,
-            'active'        => true,
-        ];
-
-        if (filled($this->route_code)) {
-            $where['route_code'] = $this->route_code;
-        }
-
-        if (filled($this->route_leg)) {
-            $where['route_leg'] = $this->route_leg;
-        }
-
-        return Flight::where($where)->first();
-    }*/
-
     /**
      * Set the amount of fuel used
      *

app/Models/Subfleet.php

@@ -18,6 +18,7 @@ use App\Models\Traits\FilesTrait;
  * @property float   cost_block_hour
  * @property float   cost_delay_minute
  * @property Airline airline
+ * @property int     airline_id
  */
 class Subfleet extends Model
 {

app/Services/AirlineService.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Services;
+
+use App\Contracts\Service;
+use App\Models\Airline;
+use App\Repositories\AirlineRepository;
+use App\Repositories\FlightRepository;
+use App\Repositories\PirepRepository;
+use App\Repositories\SubfleetRepository;
+
+class AirlineService extends Service
+{
+    private $airlineRepo;
+    private $flightRepo;
+    private $pirepRepo;
+    private $subfleetRepo;
+
+    public function __construct(
+        AirlineRepository $airlineRepo,
+        FlightRepository $flightRepo,
+        PirepRepository $pirepRepo,
+        SubfleetRepository $subfleetRepo
+    ) {
+        $this->airlineRepo = $airlineRepo;
+        $this->flightRepo = $flightRepo;
+        $this->pirepRepo = $pirepRepo;
+        $this->subfleetRepo = $subfleetRepo;
+    }
+
+    /**
+     * Can the airline be deleted? Check if there are flights, etc associated with it
+     *
+     * @param Airline $airline
+     *
+     * @return bool
+     */
+    public function canDeleteAirline(Airline $airline): bool
+    {
+        // Check these asset counts in these repositories
+        $repos = [
+            $this->pirepRepo,
+            $this->flightRepo,
+            $this->subfleetRepo,
+        ];
+
+        $w = ['airline_id' => $airline->id];
+        foreach ($repos as $repo) {
+            if ($repo->count($w) > 0) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

app/helpers.php

@@ -123,8 +123,7 @@ if (!function_exists('skin_view')) {
             return view($template, $vars, $merge_data);
         }
 
-        // TODO: Look for an overridden template in a special folder
-        $tpl = 'layouts/'.config('phpvms.skin').'/'.$template;
+        $tpl = 'layouts/'.setting('general.theme', 'default').'/'.$template;
 
         return view($tpl, $vars, $merge_data);
     }
@@ -134,6 +133,14 @@ if (!function_exists('skin_view')) {
  * Shortcut for retrieving a setting value
  */
 if (!function_exists('setting')) {
+    /**
+     * Read a setting from the settings table
+     *
+     * @param       $key
+     * @param mixed $default
+     *
+     * @return mixed|null
+     */
     function setting($key, $default = null)
     {
         $settingRepo = app('setting');