import chunk reading

app/Abstracts/Import.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Abstracts;
+
+use Illuminate\Support\Str;
+use Maatwebsite\Excel\Concerns\ToModel;
+use Maatwebsite\Excel\Concerns\WithBatchInserts;
+use Maatwebsite\Excel\Concerns\WithChunkReading;
+use Maatwebsite\Excel\Concerns\WithHeadingRow;
+use Maatwebsite\Excel\Concerns\WithMapping;
+use Maatwebsite\Excel\Concerns\WithValidation;
+use Maatwebsite\Excel\Validators\Failure;
+
+abstract class Import implements ToModel, WithBatchInserts, WithChunkReading, WithHeadingRow, WithMapping, WithValidation
+{
+    public function map($row): array
+    {
+        $row['company_id'] = session('company_id');
+
+        // Make enabled field integer
+        if (isset($row['enabled'])) {
+            $row['enabled'] = (int) $row['enabled'];
+        }
+
+        // Make reconciled field integer
+        if (isset($row['reconciled'])) {
+            $row['reconciled'] = (int) $row['reconciled'];
+        }
+
+        return $row;
+    }
+
+    public function rules(): array
+    {
+        return [];
+    }
+
+    public function batchSize(): int
+    {
+        return 100;
+    }
+
+    public function chunkSize(): int
+    {
+        return 100;
+    }
+
+    public function onFailure(Failure ...$failures)
+    {
+        $sheet = Str::snake((new \ReflectionClass($this))->getShortName());
+
+        foreach ($failures as $failure) {
+            $message = trans('messages.error.import_column', [
+                'message' => $failure->errors()->first(),
+                'sheet' => $sheet,
+                'line' => $failure->attribute(),
+            ]);
+
+            flash($message)->error()->important();
+       }
+    }
+}