public function save()
	{
		$user = JFactory::getUser();

		$data   = $this->input->get('data', '', 'raw');
		$images = $this->input->get('images', '', 'raw');

		if (empty($data))
		{
			return $this->getError(404, 'Error No data for field creation');
		}

		if (empty($images))
		{
			$images = array();
		}

		$table = JTable::getInstance('Marker', 'Table');

		$hotspot = json_decode($data, true);
		$images  = json_decode($images);

		$isOwn = true;
		$isNew = empty($hotspot->id);

		if (empty($hotspot['created_by']))
		{
			$hotspot['created_by'] = $user->id;
		}
		else if ($hotspot['created_by'] != $user->id)
		{
			$isOwn = false;
		}

		if (empty($hotspot['id']) && !HotspotsHelperSecurity::authorise('create'))
		{
			return $this->getError(403, 'No permission to save / update hotspot.');
		}
		else if (!empty($hotspot['id']) && $isOwn && !HotspotsHelperSecurity::authorise('edit.own', $hotspot))
		{
			return $this->getError(403, 'No permission to edit own hotspot.');
		}
		else if (!empty($hotspot['id']) && !HotspotsHelperSecurity::authorise('edit', $hotspot))
		{
			return $this->getError(403, 'No permission to edit not own hotspot.');
		}

		// Import the appropriate plugin group.
		JPluginHelper::importPlugin('hotspots');

		$appl = JFactory::getApplication();

		if (!$table->bind($hotspot))
		{
			return array('error', $table->getError());
		}

		$appl->triggerEvent('onContentBeforeSave', array('com_hotspots.hotspot', $hotspot));

		// Alias Handling
		if (empty($table->alias))
		{
			if (JFactory::getConfig()->get('unicodeslugs') == 1)
			{
				$table->alias = JFilterOutput::stringURLUnicodeSlug($table->title);
			}
			else
			{
				$table->alias = JFilterOutput::stringURLSafe($table->title);
			}
		}

		$hotspotTable = JTable::getInstance('Marker', 'Table');

		while ($hotspotTable->load(array('alias' => $table->alias, 'catid' => $table->catid)))
		{
			$table->alias = StringHelper::increment($table->alias, 'dash');
		}

		if (!$table->store())
		{
			return array('error', $table->getError());
		}

		$appl->triggerEvent('onContentAfterSave', array('com_hotspots.hotspot', $hotspot, $isNew));

		$table->checkIn();

		$hotspotId  = $table->id;
		$targetPath = JPATH_CACHE . '/com_hotspots.multimedia/lib_compojoom.multimedia/';

		if (!JFolder::exists($targetPath))
		{
			JFolder::create($targetPath);
		}

		JModelLegacy::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_hotspots/models');
		JPluginHelper::importPlugin('hotspots');

		/** @var HotspotsModelMultimedia $multimediaModel */
		$multimediaModel = JModelLegacy::getInstance('Multimedia', 'HotspotsModel');

		// Save images first
		foreach ($images as $image)
		{
			$fileName = $image->filename;
			$content  = $image->content;

			list($type, $content) = explode(';', $content);
			list(, $content) = explode(',', $content);
			$content = base64_decode($content);

			// We use file put content here
			$imageFile = $targetPath . '/' . $fileName;
			file_put_contents($imageFile, $content);

			$meta = array();

			$meta[$fileName]['title']       = $fileName;
			$meta[$fileName]['description'] = '';

			$appl->triggerEvent('onMultimediaBeforeUpload', array($table->get('id'), array($fileName), $meta));

			$multimediaModel->uploadPermanent($hotspotId, array($fileName), $meta);

			$appl->triggerEvent('onMultimediaAfterUpload', array($table->get('id'), array($fileName), $meta));
		}

		return array('id' => $hotspotId);
	}

	protected function loadCategories($search = null, $catId = null, $offset = 0, $limit = 0, $orderBy = 'c.title ASC')
	{
		$query = $this->db->getQuery(true);

		$query->select('c.*')
			->from('#__categories as c')
			->where('c.published = 1');

		if (!empty($search))
		{
			$query->where('c.title LIKE \'%' . $this->db->escape($search) . '%\'');
		}

		if (!empty($catId))
		{
			if (is_array($catId))
			{
				$catId = implode(',', $catId);
			}

			$query->where('c.id IN (' . $catId . ')');
		}

		// Permissions
		$groups = implode(',', JFactory::getUser()->getAuthorisedViewLevels());

		$query->where('c.access IN (' . $groups . ')');

		// Filter only for categories of Matukio
		$query->where("c.extension = 'com_hotspots'");

		$query->order($this->db->escape($orderBy));

		$this->db->setQuery($query, $offset, $limit);

		return $this->db->loadObjectList();
	}

	/**
	 * Remove things we don't want to expose through the API
	 *
	 * @param   array  $categories  Categories
	 *
	 * @return  array
	 *
	 * @since  6.1.2
	 */
	protected function cleanupCategories($categories)
	{
		if (empty($categories))
		{
			return null;
		}

		// Files
		foreach ($categories as $category)
		{
			unset($category->lft);
			unset($category->rgt);
			unset($category->asset_id);
			unset($category->note);
			unset($category->checked_out);
			unset($category->checked_out_time);
			unset($category->created_user_id);
			unset($category->created_time);
			unset($category->modified_user_id);
			unset($category->modified_time);
			unset($category->hits);
		}

		return $categories;
	}