safekat/ci4/app/Controllers/Sistema/Intranet.php

<?php

namespace App\Controllers\Sistema;

use CodeIgniter\Controller;
use App\Models\Presupuestos\PresupuestoFicheroModel;

class Intranet extends Controller
{

    function presupuestos($resource_name)
    {
        helper('file');

        $model = new PresupuestoFicheroModel();
        $file = $model->where('file_path LIKE', "%{$resource_name}")->first();

        if (!$file) {
            return service('response')->setStatusCode(404)->setBody("Archivo no encontrado");
        }

        $resource_path = WRITEPATH . $file->file_path;

        if (file_exists($resource_path)) {
            $mime_type = mime_content_type($resource_path);
            $response = service('response');
            $response->setContentType($mime_type);
            $response->setBody(file_get_contents($resource_path));
            $response->send();
        } else {
            return service('response')->setStatusCode(404)->setBody("Archivo no encontrado");
        }
    }

    function tickets($resource_name)
    {
        helper('file');

        $resource_path = WRITEPATH . 'uploads/tickets/' . $resource_name;

        if (file_exists($resource_path)) {
            // Get the mime type of the file
            $mime_type = mime_content_type($resource_path);

            // Get an instance of the Response class
            $response = service('response');

            // Set the content type
            $response->setContentType($mime_type);

            // Set the output
            $response->setBody(file_get_contents($resource_path));

            // Send the response to the browser
            $response->send();
        }
    }
    function orden_trabajo($ot_id, $resource_name)
    {
        helper('file');
        $resource_path = WRITEPATH . 'uploads/orden_trabajo/' . $ot_id . '/' . $resource_name;
        if (file_exists($resource_path)) {
            // Get the mime type of the file
            $mime_type = mime_content_type($resource_path);

            // Get an instance of the Response class
            $response = service('response');

            // Set the content type
            $response->setContentType($mime_type);

            // Set the output
            $response->setBody(file_get_contents($resource_path));

            // Send the response to the browser
            $response->send();
        }
    }

    function catalogo($catalogo_id, $resource_name)
    {
        helper('file');
        $resource_path = WRITEPATH . 'uploads/catalogo/' . $catalogo_id . '/' . $resource_name;
        if (file_exists($resource_path)) {
            // Get the mime type of the file
            $mime_type = mime_content_type($resource_path);

            // Get an instance of the Response class
            $response = service('response');

            // Set the content type
            $response->setContentType($mime_type);

            // Set the output
            $response->setBody(file_get_contents($resource_path));

            // Send the response to the browser
            $response->send();
        }
    }
}