refactor: update Flight model casts and relations

app/Enums/FlightStatus.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Enums;
+
+enum FlightStatus:int
+{
+    case AVAILABLE = 0;
+
+    case FULL = 1;
+    case CANCELLED = 2;
+    case DRAFT = 3;
+    case DELAYED = 4;
+}

app/Enums/FlightTripType.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Enums;
+
+enum FlightTripType: int
+{
+    case ONEWAY = 0;
+    case ROUNDTRIP = 1;
+}

app/Models/Flight.php

@@ -6,6 +6,8 @@
 
 namespace App\Models;
 
+use App\Enums\FlightStatus;
+use App\Enums\FlightTripType;
 use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
@@ -17,6 +19,7 @@ use Illuminate\Database\Eloquent\Model;
  * @property int $airline_id
  * @property int $origin_airport_id
  * @property int $destination_airport_id
+ * @property int|null $file_id
  * @property string $flight_number
  * @property Carbon $departure_time
  * @property int $price
@@ -27,6 +30,7 @@ use Illuminate\Database\Eloquent\Model;
  *
  * @property Airline $airline
  * @property Airport $airport
+ * @property File|null $file
  * @property Collection|Booking[] $bookings
  * @property Collection|Tour[] $tours
  *
@@ -41,21 +45,25 @@ class Flight extends Model
         'airline_id' => 'int',
         'origin_airport_id' => 'int',
         'destination_airport_id' => 'int',
+        'file_id' => 'int',
         'departure_time' => 'datetime',
         'price' => 'int',
         'capacity' => 'int',
-		'status' => 'int'
+        'status' => FlightStatus::class,
+        'trip_type' => FlightTripType::class
     ];
 
     protected $fillable = [
         'airline_id',
         'origin_airport_id',
         'destination_airport_id',
+        'file_id',
         'flight_number',
         'departure_time',
         'price',
         'capacity',
-		'status'
+        'status',
+        'trip_type'
     ];
 
     public function airline()
@@ -63,11 +71,21 @@ class Flight extends Model
         return $this->belongsTo(Airline::class);
     }
 
+    public function origin_airport()
+    {
+        return $this->belongsTo(Airport::class, 'origin_airport_id');
+    }
+
     public function airport()
     {
         return $this->belongsTo(Airport::class, 'destination_airport_id');
     }
 
+    public function file()
+    {
+        return $this->belongsTo(File::class);
+    }
+
     public function bookings()
     {
         return $this->hasMany(Booking::class);