From 6cbcb2662adc497f22c53d0cd784082e9cf22f75 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Thu, 26 Feb 2026 12:16:50 +0530
Subject: [PATCH] Added unique rule for item_id column

---
 .../ProductCharacteristicsMasterResource.php  | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/app/Filament/Resources/ProductCharacteristicsMasterResource.php b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
index da9a4f5..0d0e69c 100644
--- a/app/Filament/Resources/ProductCharacteristicsMasterResource.php
+++ b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
@@ -27,6 +27,8 @@ use Filament\Tables\Filters\Filter;
 use Filament\Tables\Table;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\SoftDeletingScope;
+use Illuminate\Validation\Rule;
+use Str;
 
 class ProductCharacteristicsMasterResource extends Resource
 {
@@ -71,12 +73,31 @@ class ProductCharacteristicsMasterResource extends Resource
                             return [];
                         }
 
-                        return \App\Models\Item::where('plant_id', $plantId)->pluck('code', 'id');
+                        return Item::where('plant_id', $plantId)->pluck('code', 'id');
                     })
                     ->disabled(fn (Get $get) => ! empty($get('id')))
                     ->afterStateUpdated(function ($state, callable $set) {
                         $set('updated_by', Filament::auth()->user()?->name);
                     })
+                    ->rules([
+                        function (callable $get) {
+                            return Rule::unique('product_characteristics_masters', 'item_id')
+                                ->where('plant_id', $get('plant_id'))
+                                ->where('line_id', $get('line_id'))
+                                ->where('work_group_master_id', $get('work_group_master_id'))
+                                ->where('machine_id', $get('machine_id'))
+                                // ->where('characteristics_type', $get('characteristics_type'))
+                                ->ignore($get('id'));
+                        },
+                        // function (callable $get): Closure {
+                        //     return function (string $attribute, $value, Closure $fail) use ($get) {
+                        //         $rework = $get('rework_status');
+                        //         if ($value && Str::contains($value, '.') && $rework == 0) {
+                        //             $fail("Rework status should be 'Yes' for rework coil number '{$value}'!");
+                        //         }
+                        //     };
+                        // },
+                    ])
                     ->required(),
                 Forms\Components\Select::make('line_id')
                     ->label('Line')