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<?php
defined('BASEPATH') or exit('No direct script access allowed');
class Knowledge_base extends ClientsController
{
public function __construct()
{
parent::__construct();
if (is_staff_logged_in() && get_option('use_knowledge_base') == 0) {
set_alert('warning', 'Knowledge base is disabled, navigate to Setup->Settings->Customers and set Use Knowledge Base to YES.');
}
hooks()->do_action('customers_area_knowledge_base_construct');
}
public function index($slug = '')
{
$this->checkKnowledgeBaseAccess();
$data['articles'] = get_all_knowledge_base_articles_grouped(true);
$data['knowledge_base_search'] = true;
$data['title'] = _l('clients_knowledge_base');
$this->view('knowledge_base');
$this->data($data);
$this->layout();
}
public function search()
{
$this->checkKnowledgeBaseAccess();
$q = $this->input->get('q');
$data['articles'] = get_all_knowledge_base_articles_grouped(true, [], $q);
$data['search_results'] = true;
$data['title'] = _l('showing_search_result', $q);
$data['knowledge_base_search'] = true;
$this->view('knowledge_base');
$this->data($data);
$this->layout();
}
public function article($slug)
{
$this->checkKnowledgeBaseAccess();
$data['article'] = $this->knowledge_base_model->get(false, $slug);
if (!$slug) {
redirect(site_url('knowledge-base'));
}
if (!$data['article'] || $data['article']->active_article == 0) {
show_404();
}
hooks()->add_action('app_customers_head', function () {
echo '<head rel="canonical" href="' . current_url() . '" />';
});
$data['knowledge_base_search'] = true;
$data['related_articles'] = $this->knowledge_base_model->get_related_articles($data['article']->articleid);
add_views_tracking('kb_article', $data['article']->articleid);
$data['title'] = $data['article']->subject;
$this->view('knowledge_base_article');
$this->data($data);
$this->layout();
}
public function category($slug)
{
$this->checkKnowledgeBaseAccess();
$where_kb = 'articlegroup IN (SELECT groupid FROM ' . db_prefix() . 'knowledge_base_groups WHERE group_slug="' . $slug . '")';
$data['category'] = $slug;
$data['articles'] = get_all_knowledge_base_articles_grouped(true, $where_kb);
$data['title'] = count($data['articles']) == 1 ? $data['articles'][0]['name'] : _l('clients_knowledge_base');
$data['knowledge_base_search'] = true;
$this->data($data);
$this->view('knowledge_base');
$this->layout();
}
public function add_kb_answer()
{
if (!is_knowledge_base_viewable()) {
show_404();
}
// This is for did you find this answer useful
if (($this->input->post() && $this->input->is_ajax_request())) {
echo json_encode($this->knowledge_base_model->add_article_answer($this->input->post('articleid'), $this->input->post('answer')));
die();
}
}
private function checkKnowledgeBaseAccess()
{
if (get_option('use_knowledge_base') == 1 && !is_client_logged_in() && get_option('knowledge_base_without_registration') == 0) {
if (is_staff_logged_in()) {
set_alert(
'warning',
'Knowledge base is available only for logged in contacts, you are accessing this page as staff member only for preview.'
);
} else {
// Knowedge base viewable only for registered customers
// Redirect to login page so they can login to view
redirect_after_login_to_current_url();
redirect(site_url('authentication/login'));
}
} elseif (!is_knowledge_base_viewable()) {
show_404();
}
}
}