Added spot rate transport master resource pages

app/Filament/Resources/SpotRateTransportMasterResource/Pages/EditSpotRateTransportMaster.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Filament\Resources\SpotRateTransportMasterResource\Pages;
+
+use App\Filament\Resources\SpotRateTransportMasterResource;
+use App\Models\SpotRateTransportMaster;
+use Filament\Actions;
+use Filament\Notifications\Notification;
+use Filament\Resources\Pages\EditRecord;
+
+class EditSpotRateTransportMaster extends EditRecord
+{
+    protected static string $resource = SpotRateTransportMasterResource::class;
+
+    protected function beforeSave(): void
+    {
+        $groupName = $this->data['group_name'] ?? null;
+        $userNames = $this->data['user_name'] ?? [];
+        $recordId = $this->record->id ?? null;
+
+        foreach ($userNames as $userName) {
+
+            $query = SpotRateTransportMaster::where('group_name', $groupName)
+                ->whereJsonContains('user_name', $userName);
+
+            // Exclude current record for update
+            if ($recordId) {
+                $query->where('id', '!=', $recordId);
+            }
+
+            if ($query->exists()) {
+
+                Notification::make()
+                    ->title('Duplicate User')
+                    ->body("User {$userName} already exists in this group.")
+                    ->danger()
+                    ->persistent()
+                    ->send();
+
+                // Prevent save/update
+                $this->halt();
+                return;
+            }
+        }
+    }
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\ViewAction::make(),
+            Actions\DeleteAction::make(),
+            Actions\ForceDeleteAction::make(),
+            Actions\RestoreAction::make(),
+        ];
+    }
+}