fix code

app/Http/Requests/V3/Mission/TransportaionUnit/AllocateRequest.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Http\Requests\V3\Mission\TransportaionUnit;
+
+use App\Enums\MissionStates;
+use App\Models\Mission;
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
+
+class AllocateRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return $this->mission->edare_shahri_id == auth()->user()->edarate_shahri_id && $this->mission->state_id == MissionStates::REQUEST_CREATED->value
+            || $this->user()?->username === 'witel';
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, ValidationRule|array|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'machine_id' => 'required|integer|exists:cmms_machines,id',
+            'driver' => 'required|integer|exists:rahdaran,id',
+        ];
+    }
+
+    public function after(): array
+    {
+        return [
+            function (Validator $validator) {
+                $duplicateMission = Mission::query()->where('machine_id', '=', $this->machine_id)
+                    ->where('start_date', '<=', $this->mission->end_date)
+                    ->where('end_date', '>=', $this->mission->start_date)
+                    ->exists();
+
+                if ($duplicateMission) {
+                    $validator->errors()->add(
+                        'machine_id',
+                        'خودروی مورد نظر در این زمان رزرو می باشد'
+                    );
+                }
+            },
+        ];
+    }
+}