<?php
/*--------------------------------------------------------------------------------------------------------|  www.vdm.io  |------/
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    \ \    / /      | |   |  __ \               | |                                | |   |  \/  |    | | | |             | |
     \ \  / /_ _ ___| |_  | |  | | _____   _____| | ___  _ __  _ __ ___   ___ _ __ | |_  | \  / | ___| |_| |__   ___   __| |
      \ \/ / _` / __| __| | |  | |/ _ \ \ / / _ \ |/ _ \| '_ \| '_ ` _ \ / _ \ '_ \| __| | |\/| |/ _ \ __| '_ \ / _ \ / _` |
       \  / (_| \__ \ |_  | |__| |  __/\ V /  __/ | (_) | |_) | | | | | |  __/ | | | |_  | |  | |  __/ |_| | | | (_) | (_| |
        \/ \__,_|___/\__| |_____/ \___| \_/ \___|_|\___/| .__/|_| |_| |_|\___|_| |_|\__| |_|  |_|\___|\__|_| |_|\___/ \__,_|
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	@version		3.0.0
	@build			19th January, 2024
	@created		19th January, 2024
	@package		eHealth Portal
	@subpackage		units.php
	@author			Llewellyn van der Merwe <https://git.vdm.dev/joomla/eHealth-Portal>
	@copyright		Copyright (C) 2020 Vast Development Method. All rights reserved.
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html

	Portal for mobile health clinics

/-----------------------------------------------------------------------------------------------------------------------------*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\HTML\HTMLHelper as Html;

// import the list field type
jimport('joomla.form.helper');
JFormHelper::loadFieldClass('list');

/**
 * Units Form Field class for the Ehealthportal component
 */
class JFormFieldUnits extends JFormFieldList
{
	/**
	 * The units field type.
	 *
	 * @var        string
	 */
	public $type = 'units';

	/**
	 * Method to get a list of options for a list input.
	 *
	 * @return    array    An array of Html options.
	 */
	protected function getOptions()
	{
		// Get the user object.
		$user = JFactory::getUser();
		// Get the databse object.
		$db = JFactory::getDBO();
		$query = $db->getQuery(true);
		$query->select($db->quoteName(array('a.id','a.name'),array('id','unit_name')));
		$query->from($db->quoteName('#__ehealthportal_unit', 'a'));
		$query->where($db->quoteName('a.published') . ' = 1');
		$query->order('a.name ASC');
		// Implement View Level Access (if set in table)
		if (!$user->authorise('core.options', 'com_ehealthportal'))
		{
			$columns = $db->getTableColumns('#__ehealthportal_unit');
			if(isset($columns['access']))
			{
				$groups = implode(',', $user->getAuthorisedViewLevels());
				$query->where('a.access IN (' . $groups . ')');
			}
		}
		$db->setQuery((string)$query);
		$items = $db->loadObjectList();
		$options = array();
		if ($items)
		{
			if ($this->multiple === false)
			{
				$options[] = JHtml::_('select.option', '', JText::_('COM_EHEALTHPORTAL_SELECT_AN_OPTION'));
			}
			foreach($items as $item)
			{
				$options[] = JHtml::_('select.option', $item->id, $item->unit_name);
			}
		}
		return $options;
	}
}