From 46df0ef93aa77fa802491ef49553fadefb169aac Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sun, 20 Sep 2026 11:20:33 +0530
Subject: [PATCH 1/5] Added characteristic value migration file

---
 ...212_create_characteristic_values_table.php | 48 +++++++++++++++++++
 ..._value_column_to_characteristic_values.php | 29 +++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 database/migrations/2026_09_20_111212_create_characteristic_values_table.php
 create mode 100644 database/migrations/2026_09_20_111529_add_observed_value_column_to_characteristic_values.php

diff --git a/database/migrations/2026_09_20_111212_create_characteristic_values_table.php b/database/migrations/2026_09_20_111212_create_characteristic_values_table.php
new file mode 100644
index 0000000..f8d9b5f
--- /dev/null
+++ b/database/migrations/2026_09_20_111212_create_characteristic_values_table.php
@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $sql = <<<'SQL'
+            CREATE TABLE characteristic_values (
+                id					               	BIGINT GENERATED always AS IDENTITY PRIMARY KEY,
+                plant_id							BIGINT NOT NULL,
+                line_id                             BIGINT NOT NULL,
+                item_id							    BIGINT NOT NULL,
+                machine_id                          BIGINT NOT NULL,
+
+                process_order                       TEXT DEFAULT NULL,
+                coil_number                         TEXT DEFAULT NULL,
+                status                              TEXT DEFAULT NULL,
+
+                created_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                updated_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                created_by							TEXT DEFAULT NULL,
+                updated_by							TEXT DEFAULT NULL,
+                deleted_at			                TIMESTAMP,
+
+                FOREIGN KEY (plant_id)              REFERENCES plants (id),
+                FOREIGN KEY (line_id)               REFERENCES lines (id),
+                FOREIGN KEY (item_id)               REFERENCES items (id),
+                FOREIGN KEY (machine_id)            REFERENCES machines (id)
+            );
+        SQL;
+        DB::statement($sql);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('characteristic_values');
+    }
+};
diff --git a/database/migrations/2026_09_20_111529_add_observed_value_column_to_characteristic_values.php b/database/migrations/2026_09_20_111529_add_observed_value_column_to_characteristic_values.php
new file mode 100644
index 0000000..22cddba
--- /dev/null
+++ b/database/migrations/2026_09_20_111529_add_observed_value_column_to_characteristic_values.php
@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        DB::statement(<<<SQL
+            ALTER TABLE characteristic_values
+            ADD COLUMN observed_value NUMERIC(10,3);
+        SQL);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Schema::table('characteristic_values', function (Blueprint $table) {
+        //     //
+        // });
+    }
+};
-- 
2.49.1


From d1462c1539372ad2b33ae31adaddc69327815060 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sun, 20 Sep 2026 11:21:47 +0530
Subject: [PATCH 2/5] Added characteristic value model file

---
 app/Models/CharacteristicValue.php | 47 ++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 app/Models/CharacteristicValue.php

diff --git a/app/Models/CharacteristicValue.php b/app/Models/CharacteristicValue.php
new file mode 100644
index 0000000..abad9d0
--- /dev/null
+++ b/app/Models/CharacteristicValue.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class CharacteristicValue extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        'plant_id',
+        'line_id',
+        'item_id',
+        'machine_id',
+        'process_order',
+        'coil_number',
+        'status',
+        'observed_value',
+        'created_at',
+        'updated_at',
+        'created_by',
+        'updated_by',
+    ];
+
+    public function plant(): BelongsTo
+    {
+        return $this->belongsTo(Plant::class);
+    }
+
+    public function line(): BelongsTo
+    {
+        return $this->belongsTo(Line::class);
+    }
+
+    public function item(): BelongsTo
+    {
+        return $this->belongsTo(Item::class);
+    }
+
+    public function machine(): BelongsTo
+    {
+        return $this->belongsTo(Machine::class);
+    }
+}
-- 
2.49.1


From 8f3432b57a56e8409d4051f1e52e0796dffde677 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sun, 20 Sep 2026 11:24:25 +0530
Subject: [PATCH 3/5] Added characteristics values resource pages

---
 .../Resources/CharacteristicValueResource.php | 703 ++++++++++++++++++
 .../Pages/CreateCharacteristicValue.php       |  12 +
 .../Pages/EditCharacteristicValue.php         |  22 +
 .../Pages/ListCharacteristicValues.php        |  19 +
 .../Pages/ViewCharacteristicValue.php         |  19 +
 5 files changed, 775 insertions(+)
 create mode 100644 app/Filament/Resources/CharacteristicValueResource.php
 create mode 100644 app/Filament/Resources/CharacteristicValueResource/Pages/CreateCharacteristicValue.php
 create mode 100644 app/Filament/Resources/CharacteristicValueResource/Pages/EditCharacteristicValue.php
 create mode 100644 app/Filament/Resources/CharacteristicValueResource/Pages/ListCharacteristicValues.php
 create mode 100644 app/Filament/Resources/CharacteristicValueResource/Pages/ViewCharacteristicValue.php

diff --git a/app/Filament/Resources/CharacteristicValueResource.php b/app/Filament/Resources/CharacteristicValueResource.php
new file mode 100644
index 0000000..c3a90c4
--- /dev/null
+++ b/app/Filament/Resources/CharacteristicValueResource.php
@@ -0,0 +1,703 @@
+<?php
+
+namespace App\Filament\Resources;
+
+use App\Filament\Exports\CharacteristicValueExporter;
+use App\Filament\Imports\CharacteristicValueImporter;
+use App\Filament\Resources\CharacteristicValueResource\Pages;
+use App\Models\CharacteristicValue;
+use App\Models\Item;
+use App\Models\Line;
+use App\Models\Machine;
+use App\Models\Plant;
+use App\Models\ProductCharacteristicsMaster;
+use Filament\Facades\Filament;
+use Filament\Forms;
+use Filament\Forms\Components\DateTimePicker;
+use Filament\Forms\Components\Select;
+use Filament\Forms\Components\TextInput;
+use Filament\Forms\Form;
+use Filament\Forms\Get;
+use Filament\Resources\Resource;
+use Filament\Tables;
+use Filament\Tables\Actions\ExportAction;
+use Filament\Tables\Actions\ImportAction;
+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 CharacteristicValueResource extends Resource
+{
+    protected static ?string $model = CharacteristicValue::class;
+
+    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
+
+    protected static ?string $navigationGroup = 'Process Order';
+
+    public static function form(Form $form): Form
+    {
+        return $form
+            ->schema([
+                Forms\Components\Select::make('plant_id')
+                    ->label('Plant Name')
+                    ->nullable()
+                    ->searchable()
+                    ->reactive()
+                    ->relationship('plant', 'name')
+                    ->options(function (callable $get) {
+                        $userHas = Filament::auth()->user()->plant_id;
+
+                        return ($userHas && strlen($userHas) > 0) ? Plant::where('id', $userHas)->pluck('name', 'id')->toArray() : Plant::orderBy('code')->pluck('name', 'id')->toArray();
+                    })
+                    ->disabled(fn (Get $get) => ! empty($get('id')))
+                    ->default(function () {
+                        $userHas = Filament::auth()->user()->plant_id;
+
+                        return ($userHas && strlen($userHas) > 0) ? $userHas : optional(CharacteristicValue::latest()->first())->plant_id;
+                    })
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $set('line_id', null);
+                        $set('item_id', null);
+                        $set('machine_id', null);
+                        $set('process_order', null);
+                        $set('coil_number', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('poPlantError', 'Please select a plant first.');
+                        }
+                    })
+                    ->extraAttributes(fn ($get) => [
+                        'class' => $get('poPlantError') ? 'border-red-500' : '',
+                    ])
+                    ->hint(fn ($get) => $get('poPlantError') ? $get('poPlantError') : null)
+                    ->hintColor('danger')
+                    ->required(),
+                Forms\Components\Select::make('line_id')
+                    ->label('Line Name')
+                    ->nullable()
+                    ->searchable()
+                    ->reactive()
+                    ->options(function (callable $get) {
+                        if (! $get('plant_id')) {
+                            return [];
+                        }
+
+                        return Line::where('plant_id', $get('plant_id'))
+                            ->pluck('name', 'id')
+                            ->toArray();
+                    })
+                    ->disabled(fn (Get $get) => ! empty($get('id')))
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $set('item_id', null);
+                        $set('machine_id', null);
+                        $set('process_order', null);
+                        $set('coil_number', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('line_id', null);
+                            $set('poPlantError', 'Please select a plant first.');
+                        }
+                    })
+                    ->required(),
+                Forms\Components\Select::make('item_id')
+                    ->label('Item Code')
+                    ->nullable()
+                    ->searchable()
+                    ->reactive()
+                    ->options(function (callable $get) {
+                        if (! $get('plant_id') || ! $get('line_id')) {
+                            return [];
+                        }
+
+                        return Item::where('plant_id', $get('plant_id'))
+                            ->pluck('code', 'id')
+                            ->toArray();
+                    })
+                    ->disabled(fn (Get $get) => ! empty($get('id')))
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $set('machine_id', null);
+                        $set('process_order', null);
+                        $set('coil_number', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('item_id', null);
+                            $set('poPlantError', 'Please select a plant first.');
+                        }
+                    })
+                    ->required(),
+                Forms\Components\Select::make('machine_id')
+                    ->label('Work Center')
+                    ->nullable()
+                    ->searchable()
+                    ->reactive()
+                    ->options(function (callable $get) {
+                        if (! $get('plant_id') || ! $get('line_id') || ! $get('item_id')) {
+                            return [];
+                        }
+
+                        return Machine::where('plant_id', $get('plant_id'))
+                            ->where('line_id', $get('line_id'))
+                            ->pluck('work_center', 'id')
+                            ->toArray();
+                    })
+                    ->disabled(fn (Get $get) => ! empty($get('id')))
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $set('process_order', null);
+                        $set('coil_number', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('machine_id', null);
+                            $set('poPlantError', 'Please select a plant first.');
+                        }
+                    })
+                    ->required(),
+                Forms\Components\TextInput::make('process_order')
+                    ->label('Process Order')
+                    ->reactive()
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $set('coil_number', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('process_order', null);
+                            $set('poPlantError', 'Please select a plant first.');
+                        }
+                    })
+                    ->required(),
+                Forms\Components\TextInput::make('coil_number')
+                    ->label('Coil Number')
+                    // ->reactive()
+                    // ->afterStateUpdated(function ($state, $set, callable $get) {
+                    //     $plantId = $get('plant_id');
+                    //     $set('status', 'NotOk');
+                    //     if (! $plantId) {
+                    //         $set('poPlantError', 'Please select a plant first.');
+                    //     }
+                    // })
+                    // ->required(),
+                    ->label('Coil Number')
+                    ->default('0')
+                    ->numeric()
+                    ->reactive()
+                    ->afterStateUpdated(function ($state, $set, callable $get, $livewire) {
+                        $plantId = $get('plant_id');
+                        $processOrder = $get('process_order');
+                        // $coilNo = $get('coil_number');
+                        $set('poPlantError', null);
+                        $set('observed_value', null);
+                        $set('status', 'NotOk');
+                        $set('coilNumberError', null);
+                        $set('updated_by', Filament::auth()->user()?->name);
+                        if (! $plantId) {
+                            $set('coil_number', null);
+                            $set('poPlantError', 'Please select a plant first.');
+                        } elseif (! $processOrder) {
+                            $set('coil_number', null);
+                        }
+                        // elseif ($coilNo || $coilNo == '0') {
+                        //     $existing = CharacteristicValue::where('plant_id', $plantId)
+                        //         ->where('process_order', $processOrder)
+                        //         ->where('coil_number', $coilNo)
+                        //         ->first();
+
+                        //     if ($existing && ! $get('id')) {
+                        //         // $set('coil_number', null);
+                        //         $set('coilNumberError', "Duplicate Coil : '{$coilNo}' found!");
+                        //     } else {
+                        //         $set('coilNumberError', null);
+                        //     }
+                        // }
+                    })
+                    ->extraAttributes(fn ($get) => [
+                        'class' => $get('coilNumberError') ? 'border-red-500' : '',
+                    ])
+                    ->hint(fn ($get) => $get('coilNumberError') ? $get('coilNumberError') : null)
+                    ->hintColor('danger')
+                    ->rule(function (callable $get) {
+                        return Rule::unique('characteristic_values', 'coil_number')
+                            ->where('plant_id', $get('plant_id'))
+                            ->where('process_order', $get('process_order'))
+                            ->ignore($get('id')); // Ignore current record during updates
+                    })
+                    ->required(),
+                Forms\Components\TextInput::make('observed_value')
+                    ->label('Observed Value')
+                    ->reactive()
+                    ->afterStateUpdated(function ($state, $set, callable $get) {
+                        $plantId = $get('plant_id');
+                        $itemId = $get('item_id');
+                        $lineId = $get('line_id');
+                        $machineId = $get('machine_id');
+                        $set('updated_by', Filament::auth()->user()?->name);
+
+                        if (! $plantId || ! $itemId || ! $lineId || ! $machineId) {
+                            $set('observed_value', null);
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        if (Str::length($state) <= 0 || ! is_numeric($state) || ! preg_match('/^\d+(\.\d+)?$/', $state)
+                        ) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        $specVal = ProductCharacteristicsMaster::where('plant_id', $plantId)->where('item_id', $itemId)->where('line_id', $lineId)->where('machine_id', $machineId)->first();
+                        if (! $specVal) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        $lowLimit = $specVal?->lower ?? 0;
+                        $uppLimit = $specVal?->upper ?? 0;
+
+                        if (Str::length($lowLimit) <= 0 || ! is_numeric($lowLimit) || ! preg_match('/^\d+(\.\d+)?$/', $lowLimit)
+                        ) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        } elseif (Str::length($uppLimit) <= 0 || ! is_numeric($uppLimit) || ! preg_match('/^\d+(\.\d+)?$/', $uppLimit)
+                        ) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        if (($lowLimit == 0 && $uppLimit == 0) || ($uppLimit == 0)) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        if ($lowLimit > $state || $uppLimit < $state) {
+                            $set('status', 'NotOk');
+
+                            return;
+                        }
+
+                        $set('status', 'Ok');
+                    })
+                    ->required(),
+                Forms\Components\TextInput::make('status')// Select
+                    ->label('Status')
+                    // ->options([
+                    //     'Ok' => 'OK',
+                    //     'NotOk' => 'Not Ok',
+                    // ])
+                    ->reactive()
+                    ->default('NotOk')
+                    ->readOnly()
+                    ->required(),
+                Forms\Components\Hidden::make('created_by')
+                    ->label('Created By')
+                    ->default(Filament::auth()->user()?->name),
+                Forms\Components\Hidden::make('updated_by')
+                    ->label('Updated By')
+                    ->default(Filament::auth()->user()?->name),
+                Forms\Components\TextInput::make('id')
+                    ->hidden()
+                    ->readOnly(),
+            ]);
+    }
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                Tables\Columns\TextColumn::make('No.')
+                    ->label('No.')
+                    ->getStateUsing(function ($record, $livewire, $column, $rowLoop) {
+                        $paginator = $livewire->getTableRecords();
+                        $perPage = method_exists($paginator, 'perPage') ? $paginator->perPage() : 10;
+                        $currentPage = method_exists($paginator, 'currentPage') ? $paginator->currentPage() : 1;
+
+                        return ($currentPage - 1) * $perPage + $rowLoop->iteration;
+                    }),
+                Tables\Columns\TextColumn::make('plant.name')
+                    ->label('Plant Name')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('line.name')
+                    ->label('Line Name')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('item.code')
+                    ->label('Item Code')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('item.description')
+                    ->label('Item Description')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('machine.work_center')
+                    ->label('Work Center')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('process_order')
+                    ->label('Process Order')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('coil_number')
+                    ->label('Coil Number')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('machine.name')
+                    ->label('Spec. Value')
+                    // ->searchable()
+                    ->formatStateUsing(function ($record) {
+                        $specVal = ProductCharacteristicsMaster::where('plant_id', $record->plant_id)->where('item_id', $record->item_id)->where('line_id', $record->line_id)->where('machine_id', $record->machine_id)->first();
+
+                        // return $record?->plant_id.'-'.$record?->item_id.'-'.$record->line_id.'-'.$record?->machine_id;
+                        return $specVal?->lower.' - '.$specVal?->upper;
+                    })
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('observed_value')
+                    ->label('Observed value')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('status')
+                    ->label('Status')
+                    ->searchable()
+                    // ->formatStateUsing(function ($record) {
+                    //     return empty($record->status == 'Ok') ? 'Ok' : 'Not Ok';
+                    // })
+                    ->color(fn (string $state): string => match ($state) {
+                        'Ok' => 'success',
+                        'Not Ok' => 'danger',
+                        'NotOk' => 'danger',
+                        default => 'gray',
+                    })
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('created_at')
+                    ->label('Created At')
+                    ->alignCenter()
+                    ->dateTime()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('created_by')
+                    ->label('Created By')
+                    ->searchable()
+                    ->alignCenter()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('updated_at')
+                    ->label('Updated At')
+                    ->alignCenter()
+                    ->dateTime()
+                    ->sortable()
+                    ->toggleable(isToggledHiddenByDefault: true),
+                Tables\Columns\TextColumn::make('updated_by')
+                    ->label('Updated By')
+                    ->alignCenter()
+                    ->searchable()
+                    ->sortable()
+                    ->toggleable(isToggledHiddenByDefault: true),
+                Tables\Columns\TextColumn::make('deleted_at')
+                    ->label('Deleted At')
+                    ->alignCenter()
+                    ->dateTime()
+                    ->sortable()
+                    ->toggleable(isToggledHiddenByDefault: true),
+            ])
+            // ->filters([
+            //     Tables\Filters\TrashedFilter::make(),
+            // ])
+            ->filters([
+                Tables\Filters\TrashedFilter::make(),
+                Filter::make('advanced_filters')
+                    ->label('Advanced Filters')
+                    ->form([
+                        Select::make('Plant')
+                            ->label('Search by Plant Name')
+                            ->nullable()
+                            ->searchable()
+                            ->reactive()
+                            ->options(function (callable $get) {
+                                $userHas = Filament::auth()->user()->plant_id;
+
+                                if ($userHas && strlen($userHas) > 0) {
+                                    return Plant::where('id', $userHas)->pluck('name', 'id')->toArray();
+                                } else {
+                                    return Plant::whereHas('characteristicValues', function ($query) {
+                                        $query->whereNotNull('id');
+                                    })->orderBy('code')->pluck('name', 'id');
+                                }
+
+                                // return ($userHas && strlen($userHas) > 0) ? Plant::where('id', $userHas)->pluck('name', 'id')->toArray() : Plant::orderBy('code')->pluck('name', 'id')->toArray();
+                            })
+                            ->afterStateUpdated(function ($state, callable $set, callable $get) {
+                                $set('Item', null);
+                                $set('Machine', null);
+                            }),
+                        Select::make('Line')
+                            ->label('Search by Line Name')
+                            ->nullable()
+                            ->searchable()
+                            ->reactive()
+                            ->options(function (callable $get) {
+                                $plantId = $get('Plant');
+
+                                if (empty($plantId)) {
+                                    return [];
+                                }
+
+                                return Line::whereHas('characteristicValues', function ($query) use ($plantId) {
+                                    if ($plantId) {
+                                        $query->where('plant_id', $plantId);
+                                    }
+                                })->pluck('name', 'id');
+                                // return $plantId ? Item::where('plant_id', $plantId)->pluck('code', 'id') : [];
+                            })
+                            ->afterStateUpdated(function ($state, callable $set, callable $get) {
+                                $set('Item', null);
+                                $set('Machine', null);
+                            }),
+                        Select::make('Item')
+                            ->label('Search by Item Code')
+                            ->nullable()
+                            ->searchable()
+                            ->reactive()
+                            ->options(function (callable $get) {
+                                $plantId = $get('Plant');
+
+                                if (empty($plantId)) {
+                                    return [];
+                                }
+
+                                return Item::whereHas('characteristicValues', function ($query) use ($plantId) {
+                                    if ($plantId) {
+                                        $query->where('plant_id', $plantId);
+                                    }
+                                })->pluck('code', 'id');
+                                // return $plantId ? Item::where('plant_id', $plantId)->pluck('code', 'id') : [];
+                            })
+                            ->afterStateUpdated(function ($state, callable $set, callable $get) {
+                                $set('process_order', null);
+                            }),
+                        Select::make('Machine')
+                            ->label('Search by Work Center')
+                            ->nullable()
+                            ->searchable()
+                            ->reactive()
+                            ->options(function (callable $get) {
+                                $plantId = $get('Plant');
+                                $lineId = $get('Line');
+
+                                if (empty($plantId) || empty($lineId)) {
+                                    return [];
+                                }
+
+                                return Machine::whereHas('characteristicValues', function ($query) use ($plantId, $lineId) {
+                                    if ($plantId && $lineId) {
+                                        $query->where('plant_id', $plantId)->where('line_id', $lineId);
+                                    }
+                                })->pluck('work_center', 'id');
+                                // return $plantId ? Item::where('plant_id', $plantId)->pluck('code', 'id') : [];
+                            })
+                            ->afterStateUpdated(function ($state, callable $set, callable $get) {
+                                $set('process_order', null);
+                            }),
+                        TextInput::make('process_order')
+                            ->label('Process Order')
+                            ->placeholder('Enter Process Order'),
+                        TextInput::make('coil_number')
+                            ->label('Coil Number')
+                            ->placeholder(placeholder: 'Enter Coil Number'),
+                        Select::make('status')
+                            ->label('Status')
+                            ->options([
+                                'Ok' => 'OK',
+                                'NotOk' => 'Not Ok',
+                            ]),
+                        DateTimePicker::make(name: 'created_from')
+                            ->label('Created From')
+                            ->placeholder(placeholder: 'Select From DateTime')
+                            ->reactive()
+                            ->native(false),
+                        DateTimePicker::make('created_to')
+                            ->label('Created To')
+                            ->placeholder(placeholder: 'Select To DateTime')
+                            ->reactive()
+                            ->native(false),
+                    ])
+                    ->query(function ($query, array $data) {
+                        // Hide all records initially if no filters are applied
+                        if (empty($data['Plant']) && empty($data['Line']) && empty($data['Item']) && empty($data['Machine']) && empty($data['process_order']) && empty($data['coil_number']) && empty($data['status']) && empty($data['created_from']) && empty($data['created_to'])) {
+                            return $query->whereRaw('1 = 0');
+                        }
+
+                        if (! empty($data['Plant'])) {
+                            $query->where('plant_id', $data['Plant']);
+                        } else {
+                            $userHas = Filament::auth()->user()->plant_id;
+
+                            if ($userHas && strlen($userHas) > 0) {
+                                return $query->whereRaw('1 = 0');
+                            }
+                        }
+
+                        if (! empty($data['Line'])) {
+                            $query->where('line_id', $data['Line']);
+                        }
+
+                        if (! empty($data['Item'])) {
+                            $query->where('item_id', $data['Item']);
+                        }
+
+                        if (! empty($data['Machine'])) {
+                            $query->where('machine_id', $data['Machine']);
+                        }
+
+                        if (! empty($data['process_order'])) {
+                            $query->where('process_order', 'like', '%'.$data['process_order'].'%');
+                        }
+
+                        if (! empty($data['coil_number'])) {
+                            $query->where('coil_number', 'like', '%'.$data['coil_number'].'%');
+                        }
+
+                        if (! empty($data['status'])) {
+                            $query->where('status', $data['status']);
+                        }
+
+                        if (! empty($data['created_from'])) {
+                            $query->where('created_at', '>=', $data['created_from']);
+                        }
+
+                        if (! empty($data['created_to'])) {
+                            $query->where('created_at', '<=', $data['created_to']);
+                        }
+
+                        // $query->orderBy('created_at', 'asc');
+                    })
+                    ->indicateUsing(function (array $data) {
+                        $indicators = [];
+
+                        if (! empty($data['Plant'])) {
+                            $indicators[] = 'Plant Name: '.Plant::where('id', $data['Plant'])->value('name');
+                        } else {
+                            $userHas = Filament::auth()->user()->plant_id;
+
+                            if ($userHas && strlen($userHas) > 0) {
+                                return 'Plant: Choose plant to filter records.';
+                            }
+                        }
+
+                        if (! empty($data['Line'])) {
+                            $indicators[] = 'Line Name: '.Line::where('id', $data['Line'])->value('name');
+                        }
+
+                        if (! empty($data['Item'])) {
+                            $indicators[] = 'Item Code: '.Item::where('id', $data['Item'])->value('code');
+                        }
+
+                        if (! empty($data['Machine'])) {
+                            $indicators[] = 'Work Center: '.Machine::where('id', $data['Machine'])->value('work_center');
+                        }
+
+                        if (! empty($data['process_order'])) {
+                            $indicators[] = 'Process Order: '.$data['process_order'];
+                        }
+
+                        if (! empty($data['coil_number'])) {
+                            $indicators[] = 'Coil Number: '.$data['coil_number'];
+                        }
+
+                        if (! empty($data['status'])) {
+                            $indicators[] = 'Status: '.$data['status'];
+                        }
+
+                        if (! empty($data['created_from'])) {
+                            $indicators[] = 'From: '.$data['created_from'];
+                        }
+
+                        if (! empty($data['created_to'])) {
+                            $indicators[] = 'To: '.$data['created_to'];
+                        }
+
+                        return $indicators;
+                    }),
+            ])
+            ->filtersFormMaxHeight('280px')
+            ->actions([
+                Tables\Actions\ViewAction::make(),
+                Tables\Actions\EditAction::make(),
+            ])
+            ->bulkActions([
+                Tables\Actions\BulkActionGroup::make([
+                    Tables\Actions\DeleteBulkAction::make(),
+                    Tables\Actions\ForceDeleteBulkAction::make(),
+                    Tables\Actions\RestoreBulkAction::make(),
+                ]),
+            ])
+            ->headerActions([
+                ImportAction::make()
+                    ->importer(CharacteristicValueImporter::class)
+                    ->label('Import Characteristic Value')
+                    ->color('warning')
+                    ->visible(function () {
+                        return Filament::auth()->user()->can('view import characteristic value');
+                    }),
+                ExportAction::make()
+                    ->exporter(CharacteristicValueExporter::class)
+                    ->label('Export Characteristic Value')
+                    ->color('warning')
+                    ->visible(function () {
+                        return Filament::auth()->user()->can('view export characteristic value');
+                    }),
+            ]);
+    }
+
+    public static function getRelations(): array
+    {
+        return [
+            //
+        ];
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => Pages\ListCharacteristicValues::route('/'),
+            'create' => Pages\CreateCharacteristicValue::route('/create'),
+            'view' => Pages\ViewCharacteristicValue::route('/{record}'),
+            'edit' => Pages\EditCharacteristicValue::route('/{record}/edit'),
+        ];
+    }
+
+    public static function getEloquentQuery(): Builder
+    {
+        return parent::getEloquentQuery()
+            ->withoutGlobalScopes([
+                SoftDeletingScope::class,
+            ]);
+    }
+}
diff --git a/app/Filament/Resources/CharacteristicValueResource/Pages/CreateCharacteristicValue.php b/app/Filament/Resources/CharacteristicValueResource/Pages/CreateCharacteristicValue.php
new file mode 100644
index 0000000..4ac8770
--- /dev/null
+++ b/app/Filament/Resources/CharacteristicValueResource/Pages/CreateCharacteristicValue.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Filament\Resources\CharacteristicValueResource\Pages;
+
+use App\Filament\Resources\CharacteristicValueResource;
+use Filament\Actions;
+use Filament\Resources\Pages\CreateRecord;
+
+class CreateCharacteristicValue extends CreateRecord
+{
+    protected static string $resource = CharacteristicValueResource::class;
+}
diff --git a/app/Filament/Resources/CharacteristicValueResource/Pages/EditCharacteristicValue.php b/app/Filament/Resources/CharacteristicValueResource/Pages/EditCharacteristicValue.php
new file mode 100644
index 0000000..8034b14
--- /dev/null
+++ b/app/Filament/Resources/CharacteristicValueResource/Pages/EditCharacteristicValue.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Filament\Resources\CharacteristicValueResource\Pages;
+
+use App\Filament\Resources\CharacteristicValueResource;
+use Filament\Actions;
+use Filament\Resources\Pages\EditRecord;
+
+class EditCharacteristicValue extends EditRecord
+{
+    protected static string $resource = CharacteristicValueResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\ViewAction::make(),
+            Actions\DeleteAction::make(),
+            Actions\ForceDeleteAction::make(),
+            Actions\RestoreAction::make(),
+        ];
+    }
+}
diff --git a/app/Filament/Resources/CharacteristicValueResource/Pages/ListCharacteristicValues.php b/app/Filament/Resources/CharacteristicValueResource/Pages/ListCharacteristicValues.php
new file mode 100644
index 0000000..48aae7b
--- /dev/null
+++ b/app/Filament/Resources/CharacteristicValueResource/Pages/ListCharacteristicValues.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Filament\Resources\CharacteristicValueResource\Pages;
+
+use App\Filament\Resources\CharacteristicValueResource;
+use Filament\Actions;
+use Filament\Resources\Pages\ListRecords;
+
+class ListCharacteristicValues extends ListRecords
+{
+    protected static string $resource = CharacteristicValueResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\CreateAction::make(),
+        ];
+    }
+}
diff --git a/app/Filament/Resources/CharacteristicValueResource/Pages/ViewCharacteristicValue.php b/app/Filament/Resources/CharacteristicValueResource/Pages/ViewCharacteristicValue.php
new file mode 100644
index 0000000..30664ea
--- /dev/null
+++ b/app/Filament/Resources/CharacteristicValueResource/Pages/ViewCharacteristicValue.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Filament\Resources\CharacteristicValueResource\Pages;
+
+use App\Filament\Resources\CharacteristicValueResource;
+use Filament\Actions;
+use Filament\Resources\Pages\ViewRecord;
+
+class ViewCharacteristicValue extends ViewRecord
+{
+    protected static string $resource = CharacteristicValueResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\EditAction::make(),
+        ];
+    }
+}
-- 
2.49.1


From 48571cfe79604e134a77f4466bfd90f5bf1d5c80 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sun, 20 Sep 2026 11:25:00 +0530
Subject: [PATCH 4/5] Added characteristic value importer and exporter

---
 .../Exports/CharacteristicValueExporter.php   |  81 ++++
 .../Imports/CharacteristicValueImporter.php   | 372 ++++++++++++++++++
 2 files changed, 453 insertions(+)
 create mode 100644 app/Filament/Exports/CharacteristicValueExporter.php
 create mode 100644 app/Filament/Imports/CharacteristicValueImporter.php

diff --git a/app/Filament/Exports/CharacteristicValueExporter.php b/app/Filament/Exports/CharacteristicValueExporter.php
new file mode 100644
index 0000000..6a8779c
--- /dev/null
+++ b/app/Filament/Exports/CharacteristicValueExporter.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Filament\Exports;
+
+use App\Models\CharacteristicValue;
+use App\Models\ProductCharacteristicsMaster;
+use Filament\Actions\Exports\ExportColumn;
+use Filament\Actions\Exports\Exporter;
+use Filament\Actions\Exports\Models\Export;
+
+class CharacteristicValueExporter extends Exporter
+{
+    protected static ?string $model = CharacteristicValue::class;
+
+    public static function getColumns(): array
+    {
+        static $rowNumber = 0;
+
+        return [
+            ExportColumn::make('no')
+                ->label('NO')
+                ->state(function ($record) use (&$rowNumber) {
+                    // Increment and return the row number
+                    return ++$rowNumber;
+                }),
+            ExportColumn::make('plant.code')
+                ->label('PLANT CODE'),
+            ExportColumn::make('line.name')
+                ->label('LINE NAME'),
+            ExportColumn::make('item.code')
+                ->label('ITEM CODE'),
+            ExportColumn::make('item.description')
+                ->label('DESCRIPTION'),
+            ExportColumn::make('machine.work_center')
+                ->label('WORK CENTER'),
+            ExportColumn::make('process_order')
+                ->label('PROCESS ORDER'),
+            ExportColumn::make('coil_number')
+                ->label('COIL NUMBER'),
+            ExportColumn::make('status')
+                ->label('STATUS'),
+            ExportColumn::make('spec_value')
+                ->label('Spec. Value')
+                ->formatStateUsing(function ($record) {
+
+                    $specVal = ProductCharacteristicsMaster::where('plant_id', $record->plant_id)
+                        ->where('item_id', $record->item_id)
+                        ->where('line_id', $record->line_id)
+                        ->where('machine_id', $record->machine_id)
+                        ->first();
+
+                    return $specVal?->lower . ' - ' . $specVal?->upper;
+                }),
+            ExportColumn::make('observed_value')
+                ->label('OBSERVED VALUE'),
+            ExportColumn::make('created_at')
+                ->label('CREATED AT'),
+            ExportColumn::make('created_by')
+                ->label('CREATED BY'),
+            ExportColumn::make('updated_at')
+                ->label('UPDATED AT'),
+            ExportColumn::make('updated_by')
+                ->label('UPDATED BY'),
+            ExportColumn::make('deleted_at')
+                ->enabledByDefault(false)
+                ->label('DELETED AT'),
+
+        ];
+    }
+
+    public static function getCompletedNotificationBody(Export $export): string
+    {
+        $body = 'Your characteristic value export has completed and '.number_format($export->successful_rows).' '.str('row')->plural($export->successful_rows).' exported.';
+
+        if ($failedRowsCount = $export->getFailedRowsCount()) {
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to export.';
+        }
+
+        return $body;
+    }
+}
diff --git a/app/Filament/Imports/CharacteristicValueImporter.php b/app/Filament/Imports/CharacteristicValueImporter.php
new file mode 100644
index 0000000..19cb4d0
--- /dev/null
+++ b/app/Filament/Imports/CharacteristicValueImporter.php
@@ -0,0 +1,372 @@
+<?php
+
+namespace App\Filament\Imports;
+
+use App\Models\CharacteristicValue;
+use App\Models\Item;
+use App\Models\Line;
+use App\Models\Machine;
+use App\Models\Plant;
+use App\Models\ProcessOrder;
+use App\Models\ProductCharacteristicsMaster;
+use App\Models\User;
+use Carbon\Carbon;
+use Filament\Actions\Imports\Exceptions\RowImportFailedException;
+use Filament\Actions\Imports\ImportColumn;
+use Filament\Actions\Imports\Importer;
+use Filament\Actions\Imports\Models\Import;
+use Filament\Facades\Filament;
+use Str;
+
+class CharacteristicValueImporter extends Importer
+{
+    protected static ?string $model = CharacteristicValue::class;
+
+    public static function getColumns(): array
+    {
+        return [
+            ImportColumn::make('plant')
+                ->requiredMapping()
+                ->exampleHeader('Plant Code')
+                ->example('1000')
+                ->label('Plant Code')
+                ->relationship(resolveUsing: 'code')
+                ->rules(['required']),
+            ImportColumn::make('line')
+                ->requiredMapping()
+                ->exampleHeader('Line Name')
+                ->example('4 inch pump line')
+                ->label('Line Name')
+                ->relationship(resolveUsing: 'name')
+                ->rules(['required']),
+            ImportColumn::make('item')
+                ->requiredMapping()
+                ->exampleHeader('Item Code')
+                ->example('123456')
+                ->label('Item Code')
+                ->relationship(resolveUsing: 'code')
+                ->rules(['required']),
+            ImportColumn::make('machine')
+                ->requiredMapping()
+                ->exampleHeader('Work Center')
+                ->example('RMGS09745')
+                ->label('Work Center')
+                ->relationship(resolveUsing: 'work_center')
+                ->rules(['required']),
+            ImportColumn::make('process_order')
+                ->requiredMapping()
+                ->exampleHeader('Process Order')
+                ->example('23455256352')
+                ->label('Process Order'),
+            ImportColumn::make('coil_number')
+                ->requiredMapping()
+                ->exampleHeader('Coil Number')
+                ->example('0')
+                ->label('Coil Number'),
+            ImportColumn::make('status')
+                ->requiredMapping()
+                ->exampleHeader('Status')
+                ->example('Ok')
+                ->label('Status'),
+            ImportColumn::make('observed_value')
+                ->requiredMapping()
+                ->exampleHeader('Observed Value')
+                ->example('RAW01234')
+                ->label('Observed Value'),
+            ImportColumn::make('created_by')
+                ->requiredMapping()
+                ->exampleHeader('Created By')
+                ->example('RAW01234')
+                ->label('Created By'),
+            ImportColumn::make('created_at')
+                ->requiredMapping()
+                ->exampleHeader('Created DateTime')
+                ->example('01-01-2025 08:00:00')
+                ->label('Created DateTime')
+                ->rules(['required']),
+            ImportColumn::make('updated_at')
+                ->requiredMapping()
+                ->exampleHeader('Updated DateTime')
+                ->example('01-01-2025 08:00:00')
+                ->label('Updated DateTime')
+                ->rules(['required']),
+        ];
+    }
+
+    public function resolveRecord(): ?CharacteristicValue
+    {
+        // return CharacteristicValue::firstOrNew([
+        //     // Update existing records, matching them by `$this->data['column_name']`
+        //     'email' => $this->data['email'],
+        // ]);
+
+        $warnMsg = [];
+        $plantId = null;
+        $itemId = null;
+        $lineId = null;
+        $machineId = null;
+        // $itemAgainstPlant = null;
+
+        $plantCode = $this->data['plant'];
+        $processOrder = trim($this->data['process_order'] ?? '');
+        $iCode = trim($this->data['item']);
+        $workCenter = trim($this->data['machine']);
+        $lineName = trim($this->data['line']);
+        $coilNo = trim($this->data['coil_number']);
+        $obserVal = trim($this->data['observed_value']);
+        $status = trim($this->data['status']);
+        $createdBy = trim($this->data['created_by']);
+
+        if ($plantCode == null || $plantCode == '') {
+            $warnMsg[] = 'Plant code cannot be empty';
+        } elseif ($iCode == null || $iCode == '') {// process_order
+            $warnMsg[] = 'Item code cannot be empty';
+        } elseif ($processOrder == null || $processOrder == '') {//
+            $warnMsg[] = 'Process Order cannot be empty';
+        } elseif ($workCenter == null || $workCenter == '') {
+            $warnMsg[] = 'Work center cannot be empty';
+        } elseif ($lineName == null || $lineName == '') {
+            $warnMsg[] = 'Line name cannot be empty';
+        } elseif ($coilNo == null || $coilNo == '') {
+            $warnMsg[] = 'Coil number cannot be empty';
+        } elseif ($obserVal == null || $obserVal == '') {
+            $warnMsg[] = 'Observed value cannot be empty';
+        } elseif ($status == null || $status == '') {
+            $warnMsg[] = 'Status cannot be empty';
+        }
+
+        if (Str::length($plantCode) > 0 && (Str::length($plantCode) < 4 || ! is_numeric($plantCode) || ! preg_match('/^[1-9]\d{3,}$/', $plantCode))) {
+            $warnMsg[] = 'Invalid plant code found';
+        } else {
+            $plant = Plant::where('code', $plantCode)->first();
+            if (! $plant) {
+                $warnMsg[] = 'Plant not found';
+            } else {
+                $plantId = $plant->id;
+            }
+        }
+
+        if (Str::length($iCode) > 0 && (Str::length($iCode) < 6 || ! ctype_alnum($iCode))) {
+            $warnMsg[] = 'Invalid item code found';
+        } else {
+            $itemCode = Item::where('code', $iCode)->first();
+            if (! $itemCode) {
+                $warnMsg[] = 'Item code not found';
+            } else {
+                if ($plantId) {
+                    $itemCode = Item::where('code', $iCode)->where('plant_id', $plantId)->first();
+                    if (! $itemCode) {
+                        $warnMsg[] = 'Item code not found for the given plant';
+                    } else {
+                        $itemId = $itemCode->id;
+                    }
+                }
+            }
+        }
+
+        $lineExists = Line::where('name', $lineName)->first();
+        if (! $lineExists) {
+            $warnMsg[] = 'Line name not found';
+        } else {
+            if ($plantId) {
+                $lineAgainstPlant = Line::where('name', $lineName)->where('plant_id', $plantId)->first();
+                if (! $lineAgainstPlant) {
+                    $warnMsg[] = 'Line name not found for the given plant';
+                } else {
+                    $lineId = $lineAgainstPlant->id;
+                }
+            }
+        }
+
+        $workCenterExist = Machine::where('work_center', $workCenter)->first();
+        if (! $workCenterExist) {
+            $warnMsg[] = 'Work Center not found';
+        }
+
+        // $workCenterAgainstPlant = Machine::where('work_center', $workCenter)
+        //     ->where('plant_id', $plantId)
+        //     ->first();
+
+        // if (!$workCenterAgainstPlant) {
+        //     $warnMsg[] = 'Work center not found for the given plant';
+        // } else {
+        //     $MachineId = $workCenterAgainstPlant->id;
+        // }
+
+        if ($plantId != null && $lineId != null) {
+            $machineAgaPlantLine = Machine::where('plant_id', $plantId)
+                ->where('line_id', $lineId)
+                ->where('work_center', $workCenter)
+                ->first();
+
+            if (! $machineAgaPlantLine) {
+                $warnMsg[] = 'Work center not found for the given plant and line';
+            } else {
+                $machineId = $machineAgaPlantLine->id;
+            }
+        }
+
+        if (Str::length($coilNo) > 0 && ! is_numeric($coilNo)) {
+            $warnMsg[] = 'Coil number should contain only numeric values!';
+        }
+
+        if (Str::length($obserVal) > 0 && ! is_numeric($obserVal)) {
+            $warnMsg[] = 'Observed value should contain only numeric values!';
+        }
+
+        if (Str::length($status) > 0 && ! in_array($status, ['Ok', 'NotOk'], true)) {
+            $warnMsg[] = "Status must be either 'Ok' or 'NotOk'!";
+        }
+        // else {
+        //     if (Str::length($status) <= 0 || ! is_numeric($status) || ! preg_match('/^\d+(\.\d+)?$/', $status)
+        //     ) {
+        //         $status = 'NotOk';
+        //     } else {
+        //         $specVal = ProductCharacteristicsMaster::where('plant_id', $plantId)->where('item_id', $itemId)->where('line_id', $lineId)->where('machine_id', $machineId)->first();
+        //         if (! $specVal) {
+        //             $status = 'NotOk';
+        //         }
+
+        //         $lowLimit = $specVal?->lower ?? 0;
+        //         $uppLimit = $specVal?->upper ?? 0;
+
+        //         if (Str::length($lowLimit) <= 0 || ! is_numeric($lowLimit) || ! preg_match('/^\d+(\.\d+)?$/', $lowLimit)
+        //         ) {
+        //             $status = 'NotOk';
+        //         } elseif (Str::length($uppLimit) <= 0 || ! is_numeric($uppLimit) || ! preg_match('/^\d+(\.\d+)?$/', $uppLimit)
+        //         ) {
+        //             $status = 'NotOk';
+        //         }
+
+        //         if (($lowLimit == 0 && $uppLimit == 0) || ($uppLimit == 0)) {
+        //             $status = 'NotOk';
+        //         }
+
+        //         if ($lowLimit > $obserVal || $uppLimit < $obserVal) {
+        //             $status = 'NotOk';
+        //         }
+        //         $status = 'Ok';
+        //     }
+        // }
+
+        if ($createdBy == null || $createdBy == '' || ! $createdBy) {
+            $warnMsg[] = 'Created By cannot be empty';
+        }
+
+        if ($plantId) {
+            $user = User::where('name', $createdBy)->first();
+
+            $userPlant = User::where('name', $createdBy)->where('plant_id', $plantId)->first();
+
+            if (! $user) {
+                $warnMsg[] = 'Created By user name not found!';
+            } elseif (! $userPlant && ! $user->hasRole('Super Admin')) {
+                $warnMsg[] = "Created By user '{$createdBy}' not found for Plant '{$plantCode}'!";
+            } elseif (! $user->hasRole(['Super Admin', 'Process Quality Manager', 'Process Manager', 'Process Supervisor', 'Process Employee'])) {
+                $warnMsg[] = 'Created By user does not have rights!';
+            }
+        }
+
+        if ($plantId && $processOrder) {
+            $existing = CharacteristicValue::where('plant_id', $plantId)
+                ->where('process_order', $processOrder)
+                ->where('coil_number', $coilNo)
+                ->first();
+
+            if ($existing) {
+                $warnMsg[] = "Coil number '{$coilNo}' already exists for Plant '{$plantCode}' and Process Order '{$processOrder}'.";
+            }
+        }
+
+        if ($plant && $itemCode && $processOrder != '' && $processOrder != null) {
+
+            $existingOrder = ProcessOrder::where('plant_id', $plantId)
+                ->where('process_order', $processOrder)
+                ->first();
+
+            if ($existingOrder && $existingOrder->item_id !== ($itemId ?? null)) {
+                $warnMsg[] = 'Same Process Order already exists for this Plant with a different Item Code';
+            }
+        }
+
+        $updatedBy = Filament::auth()->user()->name; // ?? 'Admin'
+        if (! $updatedBy) {
+            $warnMsg[] = 'Invalid updated by user name found';
+        }
+
+        $fromDate = $this->data['created_at'];
+        $toDate = $this->data['updated_at'];
+
+        $formats = ['d-m-Y H:i', 'd-m-Y H:i:s']; // '07-05-2025 08:00' or '07-05-2025 08:00:00'
+
+        $fdateTime = null;
+        $tdateTime = null;
+        // Try parsing with multiple formats
+        foreach ($formats as $format) {
+            try {
+                $fdateTime = Carbon::createFromFormat($format, $fromDate);
+                break;
+            } catch (\Exception $e) {
+                // $warnMsg[] = "Date format mismatch with format: $format";
+            }
+        }
+
+        foreach ($formats as $format) {
+            try {
+                $tdateTime = Carbon::createFromFormat($format, $toDate);
+                break;
+            } catch (\Exception $e) {
+                // $warnMsg[] = "Date format mismatch with format: $format";
+            }
+        }
+
+        if (! isset($fdateTime)) {
+            $warnMsg[] = "Invalid 'Created DateTime' format. Expected DD-MM-YYYY HH:MM:SS";
+        }
+        if (! isset($tdateTime)) {
+            $warnMsg[] = "Invalid 'Updated DateTime' format. Expected DD-MM-YYYY HH:MM:SS";
+        }
+
+        if (isset($fdateTime) && isset($tdateTime)) {
+            if ($fdateTime->greaterThan($tdateTime)) {
+                $warnMsg[] = "'Created DataTime' is greater than 'Updated DateTime'.";
+            }
+        }
+
+        if (! empty($warnMsg)) {
+            throw new RowImportFailedException(implode(', ', $warnMsg));
+        }
+
+        return CharacteristicValue::updateOrCreate([
+            'plant_id' => $plantId,
+            'process_order' => $processOrder,
+            'coil_number' => $coilNo,
+        ],
+            [
+                'item_id' => $itemId,
+                'line_id' => $lineId,
+                'machine_id' => $machineId,
+                'status' => $status,
+                'observed_value' => $obserVal,
+                'created_by' => $createdBy,
+                'updated_by' => $updatedBy,
+                'created_at' => $fdateTime->format('Y-m-d H:i:s'),
+                'updated_at' => $tdateTime->format('Y-m-d H:i:s'),
+            ]);
+
+        // return null;
+
+        // return new CharacteristicValue;
+    }
+
+    public static function getCompletedNotificationBody(Import $import): string
+    {
+        $body = 'Your characteristic value import has completed and '.number_format($import->successful_rows).' '.str('row')->plural($import->successful_rows).' imported.';
+
+        if ($failedRowsCount = $import->getFailedRowsCount()) {
+            $body .= ' '.number_format($failedRowsCount).' '.str('row')->plural($failedRowsCount).' failed to import.';
+        }
+
+        return $body;
+    }
+}
-- 
2.49.1


From 4ccdf4de734e011f0de1923f341c6f2a811f08f8 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Sun, 20 Sep 2026 11:25:33 +0530
Subject: [PATCH 5/5] Added characteristic value policy file

---
 app/Policies/CharacteristicValuePolicy.php | 106 +++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 app/Policies/CharacteristicValuePolicy.php

diff --git a/app/Policies/CharacteristicValuePolicy.php b/app/Policies/CharacteristicValuePolicy.php
new file mode 100644
index 0000000..ce32f66
--- /dev/null
+++ b/app/Policies/CharacteristicValuePolicy.php
@@ -0,0 +1,106 @@
+<?php
+
+namespace App\Policies;
+
+use Illuminate\Auth\Access\Response;
+use App\Models\CharacteristicValue;
+use App\Models\User;
+
+class CharacteristicValuePolicy
+{
+    /**
+     * Determine whether the user can view any models.
+     */
+    public function viewAny(User $user): bool
+    {
+        return $user->checkPermissionTo('view-any CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     */
+    public function view(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('view CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can create models.
+     */
+    public function create(User $user): bool
+    {
+        return $user->checkPermissionTo('create CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('update CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can delete the model.
+     */
+    public function delete(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('delete CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can delete any models.
+     */
+    public function deleteAny(User $user): bool
+    {
+        return $user->checkPermissionTo('delete-any CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can restore the model.
+     */
+    public function restore(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('restore CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can restore any models.
+     */
+    public function restoreAny(User $user): bool
+    {
+        return $user->checkPermissionTo('restore-any CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can replicate the model.
+     */
+    public function replicate(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('replicate CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can reorder the models.
+     */
+    public function reorder(User $user): bool
+    {
+        return $user->checkPermissionTo('reorder CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can permanently delete the model.
+     */
+    public function forceDelete(User $user, CharacteristicValue $characteristicvalue): bool
+    {
+        return $user->checkPermissionTo('force-delete CharacteristicValue');
+    }
+
+    /**
+     * Determine whether the user can permanently delete any models.
+     */
+    public function forceDeleteAny(User $user): bool
+    {
+        return $user->checkPermissionTo('force-delete-any CharacteristicValue');
+    }
+}
-- 
2.49.1