expense/app/Services/AttachmentService.php

<?php

namespace App\Services;

use App\Models\AttachmentForm;
use Illuminate\Support\Facades\DB;

class AttachmentService
{
    /**
     * Store single attachment
     */
    public function addAttachment(int $formId, string $tableName, string $filePath, ?string $category = null): AttachmentForm
    {
        return AttachmentForm::create([
            'form_id'      => $formId,
            'table_name'   => $tableName,
            'file_category'=> $category,
            'file_path'    => $filePath,
        ]);
    }

    /**
     * Store multiple attachments
     */
    public function addMultipleAttachments(int $formId, string $tableName, array $attachments): void
    {
        $data = [];

        foreach ($attachments as $file) {
            $data[] = [
                'form_id'       => $formId,
                'table_name'    => $tableName,
                'file_category' => $file['file_category'] ?? null,
                'file_path'     => $file['file_path'],
                'created_at'    => now(),
                'updated_at'    => now(),
            ];
        }

        AttachmentForm::insert($data);
    }

    /**
     * Get attachments by form
     */
    public function getAttachments(int $formId, string $tableName)
    {
        return AttachmentForm::where('form_id', $formId)
            ->where('table_name', $tableName)
            ->get();
    }

    /**
     * Delete attachment by ID (soft delete)
     */
    public function deleteAttachment(int $attachmentId): bool
    {
        return AttachmentForm::where('id', $attachmentId)->delete();
    }

    /**
     * Delete all attachment by form
     */
    public function deleteByForm(int $formId, string $tableName): bool
    {
        return AttachmentForm::where('form_id', $formId)
            ->where('table_name', $tableName)
            ->delete();
    }
}