base commit

app/Services/Import/VacationImportTransformer.php

@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Import;
+
+use App\DTOs\Import\VacationRowDto;
+use App\Enums\ApprovalStatus;
+use App\Enums\VacationType;
+use App\Models\Employee;
+use App\Models\Vacation;
+use Carbon\Carbon;
+use Illuminate\Support\Str;
+
+class VacationImportTransformer
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toAttributes(VacationRowDto $dto): array
+    {
+        $employeeId = $this->resolveEmployeeId($dto->employeeNumber);
+
+        return [
+            'employee_id' => $employeeId,
+            'type' => $this->resolveType($dto->type),
+            'start_date' => $this->parseDate($dto->startDate),
+            'end_date' => $this->parseDate($dto->endDate),
+            'return_date' => $this->parseDate($dto->returnDate),
+            'days' => $dto->days,
+            'status' => $this->resolveStatus($dto->status),
+            'reason' => $dto->reason,
+        ];
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    public function validate(VacationRowDto $dto): array
+    {
+        $errors = [];
+
+        if ($dto->employeeNumber === '') {
+            $errors[] = 'Employee number is required.';
+        } elseif ($this->resolveEmployeeId($dto->employeeNumber) === null) {
+            $errors[] = "Employee \"{$dto->employeeNumber}\" was not found.";
+        }
+
+        if ($dto->startDate === null) {
+            $errors[] = 'Start date is required.';
+        }
+
+        if ($dto->endDate === null) {
+            $errors[] = 'End date is required.';
+        }
+
+        return $errors;
+    }
+
+    public function isDuplicate(VacationRowDto $dto): bool
+    {
+        $employeeId = $this->resolveEmployeeId($dto->employeeNumber);
+
+        if ($employeeId === null) {
+            return false;
+        }
+
+        $startDate = $this->parseDate($dto->startDate);
+        $endDate = $this->parseDate($dto->endDate);
+
+        if ($startDate === null || $endDate === null) {
+            return false;
+        }
+
+        return Vacation::query()
+            ->where('employee_id', $employeeId)
+            ->whereDate('start_date', $startDate)
+            ->whereDate('end_date', $endDate)
+            ->exists();
+    }
+
+    private function resolveEmployeeId(string $employeeNumber): ?int
+    {
+        return Employee::query()
+            ->where('employee_number', $employeeNumber)
+            ->value('id');
+    }
+
+    private function resolveType(?string $value): VacationType
+    {
+        if ($value === null || trim($value) === '') {
+            return VacationType::Annual;
+        }
+
+        $normalized = Str::lower(trim($value));
+
+        return VacationType::tryFrom($normalized) ?? VacationType::Annual;
+    }
+
+    private function resolveStatus(?string $value): ApprovalStatus
+    {
+        if ($value === null || trim($value) === '') {
+            return ApprovalStatus::Pending;
+        }
+
+        $normalized = Str::lower(trim($value));
+
+        return ApprovalStatus::tryFrom($normalized) ?? ApprovalStatus::Pending;
+    }
+
+    private function parseDate(?string $value): ?string
+    {
+        if ($value === null || trim($value) === '') {
+            return null;
+        }
+
+        try {
+            return Carbon::parse($value)->toDateString();
+        } catch (\Throwable) {
+            return null;
+        }
+    }
+}