Added panel gr master importer and exporter

app/Filament/Imports/PanelGrMasterImporter.php

@@ -0,0 +1,146 @@
+<?php
+
+namespace App\Filament\Imports;
+
+use App\Models\Item;
+use App\Models\PanelGrMaster;
+use App\Models\Plant;
+use Filament\Actions\Imports\ImportColumn;
+use Filament\Actions\Imports\Importer;
+use Filament\Actions\Imports\Models\Import;
+use Filament\Facades\Filament;
+use Str;
+use Filament\Actions\Imports\Exceptions\RowImportFailedException;
+
+class PanelGrMasterImporter extends Importer
+{
+    protected static ?string $model = PanelGrMaster::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('item')
+                ->requiredMapping()
+                ->exampleHeader('Item Code')
+                ->example('630214')
+                ->label('Item Code')
+                ->relationship(resolveUsing: 'code')
+                ->rules(['required']),
+            ImportColumn::make('document_number')
+                ->requiredMapping()
+                ->exampleHeader('Document Number')
+                ->example('11023567')
+                ->label('Document Number')
+                ->rules(['required']),
+            ImportColumn::make('invoice_number')
+                ->requiredMapping()
+                ->exampleHeader('Invoice Number')
+                ->example('3RAW0012345')
+                ->label('Invoice Number')
+                ->rules(['required']),
+            ImportColumn::make('supplier_number')
+                ->requiredMapping()
+                ->exampleHeader('Supplier Number')
+                ->example('154564564')
+                ->label('Supplier Number')
+                ->rules(['required']),
+            ImportColumn::make('quantity')
+                ->requiredMapping()
+                ->exampleHeader('Quantity')
+                ->example('10')
+                ->label('Quantity')
+                ->rules(['required']),
+        ];
+    }
+
+    public function resolveRecord(): ?PanelGrMaster
+    {
+        $warnMsg = [];
+        $plantCod = $this->data['plant'];
+        $plant = null;
+        $item = null;
+        $userName = Filament::auth()->user()?->name;
+
+        if (Str::length($plantCod) < 4 || ! is_numeric($plantCod) || ! preg_match('/^[1-9]\d{3,}$/', $plantCod)) {
+            $warnMsg[] = 'Invalid plant code found';
+        } else {
+            $plant = Plant::where('code', $plantCod)->first();
+            if (! $plant) {
+                $warnMsg[] = 'Plant not found';
+            } else {
+                $item = Item::where('code', $this->data['item'])->where('plant_id', $plant->id)->first();
+            }
+            if (! $item) {
+                $warnMsg[] = 'Item not found';
+            }
+        }
+
+        if (empty($this->data['document_number'])) {
+            $warnMsg[] = 'Document Number cannot be empty.';
+        }
+
+        if (Str::length($this->data['invoice_number']) < 7 || ! ctype_alnum($this->data['invoice_number'])) {
+            $warnMsg[] = 'Invalid invoice number found';
+        }
+
+        if (empty($this->data['supplier_number'])) {
+            $warnMsg[] = 'Supplier Number cannot be empty.';
+        }
+
+        if (empty($this->data['quantity'])) {
+            $warnMsg[] = 'Quantity cannot be empty.';
+        }
+        elseif (!is_numeric($this->data['quantity'])) {
+            $warnMsg[] = 'Quantity must be a valid number.';
+        } elseif ((float) $this->data['quantity'] <= 0) {
+            $warnMsg[] = 'Quantity must be greater than 0.';
+        }
+
+        $existingRecord = PanelGrMaster::where('document_number', $this->data['document_number'])->where('plant_id', $this->data['plant'])->first();
+
+        if ($existingRecord && $existingRecord->invoice_number != $this->data['invoice_number'])
+        {
+            $warnMsg[] = "Document Number '{$this->data['document_number']}' is already associated with Invoice Number '{$existingRecord->invoice_number}'.";
+        }
+
+        if (! empty($warnMsg)) {
+            throw new RowImportFailedException(implode(', ', $warnMsg));
+        }
+
+        PanelGrMaster::updateOrCreate(
+            [
+                'plant_id' => $plant->id,
+                'item_id' => $item->id,
+                'document_number' => $this->data['document_number'],
+                'invoice_number' => $this->data['invoice_number'],
+                'supplier_number' => $this->data['supplier_number'] ?? null,
+            ],
+            [
+                'quantity' => $this->data['quantity'] ?? null,
+                'updated_by' => $userName,
+                'created_by' => $userName, // Only used when creating
+            ]
+        );
+
+        return null;
+        // return new PanelGrMaster();
+    }
+
+    public static function getCompletedNotificationBody(Import $import): string
+    {
+        $body = 'Your panel gr master import has completed and ' . number_format($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;
+    }
+}