Added validation functionality on importer file

app/Filament/Imports/MachineImporter.php

@@ -2,10 +2,14 @@
 
 namespace App\Filament\Imports;
 
+use App\Models\Line;
 use App\Models\Machine;
+use App\Models\Plant;
+use Filament\Actions\Imports\Exceptions\RowImportFailedException;
 use Filament\Actions\Imports\ImportColumn;
 use Filament\Actions\Imports\Importer;
 use Filament\Actions\Imports\Models\Import;
+use Str;
 
 class MachineImporter extends Importer
 {
@@ -44,12 +48,54 @@ class MachineImporter extends Importer
 
     public function resolveRecord(): ?Machine
     {
-        // return Machine::firstOrNew([
+        $warnMsg = [];
-        //     // Update existing records, matching them by `$this->data['column_name']`
+        $plant = Plant::where('name', $this->data['plant'])->first();
-        //     'email' => $this->data['email'],
+        $line = null;
-        // ]);
+        $machine = $this->data['name'];
+        $workCenter = $this->data['work_center'];
+        if (!$plant) {
+            $warnMsg[] = "Plant not found";
+        }
+        else {
+            $line = Line::where('name', $this->data['line'])->where('plant_id', $plant->id)->first();
+            if ($line) {
+                $grpWrkCnr = $line->group_work_center;
+                if (!$grpWrkCnr || Str::length($grpWrkCnr) < 1)
+                {
+                    $warnMsg[] = "Group work center line not found";
+                }
+            }
+            else
+            {
+                $warnMsg[] = "Line not found";
+            }
+        }
 
-        return new Machine();
+        if (Str::length($machine) <= 0) {
+            $warnMsg[] = "Machine name not found";
+        }
+
+        if (!empty($warnMsg)) {
+            throw new RowImportFailedException(implode(', ', $warnMsg));
+        }
+
+        Machine::updateOrCreate(
+            [
+                'name' => $machine,
+                'plant_id' => $plant->id,
+                'line_id' => $line->id
+            ],
+            [
+                'work_center' => $workCenter
+            ]
+        );
+        return null;//work_center plant_id line_id name
+        // // return Machine::firstOrNew([
+        // //     // Update existing records, matching them by `$this->data['column_name']`
+        // //     'email' => $this->data['email'],
+        // // ]);
+
+        // return new Machine();
     }
 
     public static function getCompletedNotificationBody(Import $import): string