<?php class ControllerBlogArticle extends Controller
{
    private $error = array();

    public function index()
    {
        $this->load->language('blog/article');
        $this->document->setTitle($this->language->get('heading_title'));
        $this->load->model('blog/article');
        $this->load->model('blog/ocblog');                /* Add Image field */
        $this->model_blog_ocblog->updateImageToTable();        /* Add Author field */
        $this->model_blog_ocblog->updateAuthorToTable();
        $this->getList();
    }

    public function add()
    {
        $this->load->language('blog/article');
        $this->document->setTitle($this->language->get('heading_title'));
        $this->load->model('blog/article');
        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_blog_article->addArticle($this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $url = '';
            if (isset($this->request->get['filter_name'])) {
                $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
            }
            if (isset($this->request->get['filter_status'])) {
                $url .= '&filter_status=' . $this->request->get['filter_status'];
            }
            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }
            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }
            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }
            $this->response->redirect($this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }
        $this->getForm();
    }

    public function edit()
    {
        $this->load->language('blog/article');
        $this->document->setTitle($this->language->get('heading_title'));
        $this->load->model('blog/article');
        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_blog_article->editArticle($this->request->get['article_id'], $this->request->post);
            $this->session->data['success'] = $this->language->get('text_success');
            $url = '';
            if (isset($this->request->get['filter_name'])) {
                $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
            }
            if (isset($this->request->get['filter_status'])) {
                $url .= '&filter_status=' . $this->request->get['filter_status'];
            }
            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }
            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }
            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }
            $this->response->redirect($this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }
        $this->getForm();
    }

    public function delete()
    {
        $this->load->language('blog/article');
        $this->document->setTitle($this->language->get('heading_title'));
        $this->load->model('blog/article');
        if (isset($this->request->post['selected']) && $this->validateDelete()) {
            foreach ($this->request->post['selected'] as $article_id) {
                $this->model_blog_article->deleteArticle($article_id);
            }
            $this->session->data['success'] = $this->language->get('text_success');
            $url = '';
            if (isset($this->request->get['filter_name'])) {
                $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
            }
            if (isset($this->request->get['filter_status'])) {
                $url .= '&filter_status=' . $this->request->get['filter_status'];
            }
            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }
            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }
            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }
            $this->response->redirect($this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }
        $this->getList();
    }

    public function copy()
    {
        $this->load->language('blog/article');
        $this->document->setTitle($this->language->get('heading_title'));
        $this->load->model('blog/article');
        if (isset($this->request->post['selected']) && $this->validateCopy()) {
            foreach ($this->request->post['selected'] as $article_id) {
                $this->model_blog_article->copyArticle($article_id);
            }
            $this->session->data['success'] = $this->language->get('text_success');
            $url = '';
            if (isset($this->request->get['filter_name'])) {
                $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
            }
            if (isset($this->request->get['filter_status'])) {
                $url .= '&filter_status=' . $this->request->get['filter_status'];
            }
            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }
            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }
            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }
            $this->response->redirect($this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }
        $this->getList();
    }

    protected function getList()
    {
        if (isset($this->request->get['filter_name'])) {
            $filter_name = $this->request->get['filter_name'];
        } else {
            $filter_name = null;
        }
        if (isset($this->request->get['filter_status'])) {
            $filter_status = $this->request->get['filter_status'];
        } else {
            $filter_status = null;
        }
        if (isset($this->request->get['sort'])) {
            $sort = $this->request->get['sort'];
        } else {
            $sort = 'pd.name';
        }
        if (isset($this->request->get['order'])) {
            $order = $this->request->get['order'];
        } else {
            $order = 'ASC';
        }
        if (isset($this->request->get['page'])) {
            $page = $this->request->get['page'];
        } else {
            $page = 1;
        }
        $url = '';
        if (isset($this->request->get['filter_name'])) {
            $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
        }
        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }
        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }
        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }
        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }
        $data['breadcrumbs'] = array();
        $data['breadcrumbs'][] = array('text' => $this->language->get('text_home'), 'href' => $this->url->link('common/dashboard', 'user_token=' . $this->session->data['user_token'], true));
        $data['breadcrumbs'][] = array('text' => $this->language->get('text_extension'), 'href' => $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=module', true));
        $data['breadcrumbs'][] = array('text' => $this->language->get('heading_title'), 'href' => $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        $data['add'] = $this->url->link('blog/article/add', 'user_token=' . $this->session->data['user_token'] . $url, true);
        $data['copy'] = $this->url->link('blog/article/copy', 'user_token=' . $this->session->data['user_token'] . $url, true);
        $data['delete'] = $this->url->link('blog/article/delete', 'user_token=' . $this->session->data['user_token'] . $url, true);
        $data['articles'] = array();
        $filter_data = array('filter_name' => $filter_name, 'filter_status' => $filter_status, 'sort' => $sort, 'order' => $order, 'start' => ($page - 1) * $this->config->get('config_limit_admin'), 'limit' => $this->config->get('config_limit_admin'));
        $article_total = $this->model_blog_article->getTotalArticles($filter_data);
        $results = $this->model_blog_article->getArticles($filter_data);
        foreach ($results as $result) {
            $data['articles'][] = array('article_id' => $result['article_id'], 'name' => $result['name'], 'author' => $result['author'], 'status' => ($result['status']) ? $this->language->get('text_enabled') : $this->language->get('text_disabled'), 'edit' => $this->url->link('blog/article/edit', 'user_token=' . $this->session->data['user_token'] . '&article_id=' . $result['article_id'] . $url, true));
        }
        $data['user_token'] = $this->session->data['user_token'];
        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }
        if (isset($this->session->data['success'])) {
            $data['success'] = $this->session->data['success'];
            unset($this->session->data['success']);
        } else {
            $data['success'] = '';
        }
        if (isset($this->request->post['selected'])) {
            $data['selected'] = (array)$this->request->post['selected'];
        } else {
            $data['selected'] = array();
        }
        $url = '';
        if (isset($this->request->get['filter_name'])) {
            $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
        }
        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }
        if ($order == 'ASC') {
            $url .= '&order=DESC';
        } else {
            $url .= '&order=ASC';
        }
        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }
        $data['sort_name'] = $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . '&sort=pd.name' . $url, true);
        $data['sort_status'] = $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . '&sort=p.status' . $url, true);
        $data['sort_order'] = $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . '&sort=p.sort_order' . $url, true);
        $url = '';
        if (isset($this->request->get['filter_name'])) {
            $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
        }
        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }
        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }
        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }
        $pagination = new Pagination();
        $pagination->total = $article_total;
        $pagination->page = $page;
        $pagination->limit = $this->config->get('config_limit_admin');
        $pagination->url = $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url . '&page={page}', true);
        $data['pagination'] = $pagination->render();
        $data['results'] = sprintf($this->language->get('text_pagination'), ($article_total) ? (($page - 1) * $this->config->get('config_limit_admin')) + 1 : 0, ((($page - 1) * $this->config->get('config_limit_admin')) > ($article_total - $this->config->get('config_limit_admin'))) ? $article_total : ((($page - 1) * $this->config->get('config_limit_admin')) + $this->config->get('config_limit_admin')), $article_total, ceil($article_total / $this->config->get('config_limit_admin')));
        $data['filter_name'] = $filter_name;
        $data['filter_status'] = $filter_status;
        $data['sort'] = $sort;
        $data['order'] = $order;
        $data['header'] = $this->load->controller('common/header');
        $data['column_left'] = $this->load->controller('common/column_left');
        $data['footer'] = $this->load->controller('common/footer');
        $this->response->setOutput($this->load->view('blog/article_list', $data));
    }

    protected function getForm()
    {
        $data['text_form'] = !isset($this->request->get['article_id']) ? $this->language->get('text_add') : $this->language->get('text_edit');
        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }
        if (isset($this->error['name'])) {
            $data['error_name'] = $this->error['name'];
        } else {
            $data['error_name'] = array();
        }
        if (isset($this->error['meta_title'])) {
            $data['error_meta_title'] = $this->error['meta_title'];
        } else {
            $data['error_meta_title'] = array();
        }
        if (isset($this->error['keyword'])) {
            $data['error_keyword'] = $this->error['keyword'];
        } else {
            $data['error_keyword'] = '';
        }
        $url = '';
        if (isset($this->request->get['filter_name'])) {
            $url .= '&filter_name=' . urlencode(html_entity_decode($this->request->get['filter_name'], ENT_QUOTES, 'UTF-8'));
        }
        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }
        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }
        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }
        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }
        $data['breadcrumbs'] = array();
        $data['breadcrumbs'][] = array('text' => $this->language->get('text_home'), 'href' => $this->url->link('common/dashboard', 'user_token=' . $this->session->data['user_token'], true));
        $data['breadcrumbs'][] = array('text' => $this->language->get('text_extension'), 'href' => $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=module', true));
        $data['breadcrumbs'][] = array('text' => $this->language->get('heading_title'), 'href' => $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true));
        if (!isset($this->request->get['article_id'])) {
            $data['action'] = $this->url->link('blog/article/add', 'user_token=' . $this->session->data['user_token'] . $url, true);
        } else {
            $data['action'] = $this->url->link('blog/article/edit', 'user_token=' . $this->session->data['user_token'] . '&article_id=' . $this->request->get['article_id'] . $url, true);
        }
        $data['cancel'] = $this->url->link('blog/article', 'user_token=' . $this->session->data['user_token'] . $url, true);
        if (isset($this->request->get['article_id']) && ($this->request->server['REQUEST_METHOD'] != 'POST')) {
            $article_info = $this->model_blog_article->getArticle($this->request->get['article_id']);
        }
        $data['user_token'] = $this->session->data['user_token'];
        $this->load->model('localisation/language');
        $data['languages'] = $this->model_localisation_language->getLanguages();
        if (isset($this->request->post['article_description'])) {
            $data['article_description'] = $this->request->post['article_description'];
        } elseif (isset($this->request->get['article_id'])) {
            $data['article_description'] = $this->model_blog_article->getArticleDescriptions($this->request->get['article_id']);
        } else {
            $data['article_description'] = array();
        }
        if (isset($this->request->post['keyword'])) {
            $data['keyword'] = $this->request->post['keyword'];
        } elseif (!empty($article_info)) {
            $data['keyword'] = $article_info['keyword'];
        } else {
            $data['keyword'] = '';
        }
        if (isset($this->request->post['sort_order'])) {
            $data['sort_order'] = $this->request->post['sort_order'];
        } elseif (!empty($article_info)) {
            $data['sort_order'] = $article_info['sort_order'];
        } else {
            $data['sort_order'] = 1;
        }
        if (isset($this->request->post['status'])) {
            $data['status'] = $this->request->post['status'];
        } elseif (!empty($article_info)) {
            $data['status'] = $article_info['status'];
        } else {
            $data['status'] = true;
        }
        if (isset($this->request->post['image'])) {
            $data['image'] = $this->request->post['image'];
        } elseif (!empty($article_info)) {
            $data['image'] = $article_info['image'];
        } else {
            $data['image'] = '';
        }
        $this->load->model('tool/image');
        if (isset($this->request->post['image']) && is_file(DIR_IMAGE . $this->request->post['image'])) {
            $data['thumb'] = $this->model_tool_image->resize($this->request->post['image'], 100, 100);
        } elseif (!empty($article_info) && is_file(DIR_IMAGE . $article_info['image'])) {
            $data['thumb'] = $this->model_tool_image->resize($article_info['image'], 100, 100);
        } else {
            $data['thumb'] = $this->model_tool_image->resize('no_image.png', 100, 100);
        }
        $data['placeholder'] = $this->model_tool_image->resize('no_image.png', 100, 100);
        if (isset($this->request->post['author'])) {
            $data['author'] = $this->request->post['author'];
        } elseif (!empty($article_info)) {
            $data['author'] = $article_info['author'];
        } else {
            $data['author'] = '';
        }
        $this->load->model('setting/store');
        $data['stores'] = array();
        $data['stores'][] = array('store_id' => 0, 'name' => $this->language->get('text_default'));
        $stores = $this->model_setting_store->getStores();
        foreach ($stores as $store) {
            $data['stores'][] = array('store_id' => $store['store_id'], 'name' => $store['name']);
        }
        if (isset($this->request->post['article_store'])) {
            $data['article_store'] = $this->request->post['article_store'];
        } elseif (isset($this->request->get['article_id'])) {
            $data['article_store'] = $this->model_blog_article->getArticleStores($this->request->get['article_id']);
        } else {
            $data['article_store'] = array(0);
        }
        $data['header'] = $this->load->controller('common/header');
        $data['column_left'] = $this->load->controller('common/column_left');
        $data['footer'] = $this->load->controller('common/footer');
        $this->response->setOutput($this->load->view('blog/article_form', $data));
    }

    protected function validateForm()
    {
        if (!$this->user->hasPermission('modify', 'blog/article')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }
        foreach ($this->request->post['article_description'] as $language_id => $value) {
            if ((utf8_strlen($value['name']) < 3) || (utf8_strlen($value['name']) > 255)) {
                $this->error['name'][$language_id] = $this->language->get('error_name');
            }
            if ((utf8_strlen($value['meta_title']) < 3) || (utf8_strlen($value['meta_title']) > 255)) {
                $this->error['meta_title'][$language_id] = $this->language->get('error_meta_title');
            }
        }
        if (utf8_strlen($this->request->post['keyword']) > 0) {
            $this->load->model('design/seo_url');
            $url_alias_info = $this->model_design_seo_url->getSeoUrlsByKeyword($this->request->post['keyword']);
            if ($url_alias_info && isset($this->request->get['article_id']) && $url_alias_info['query'] != 'article_id=' . $this->request->get['article_id']) {
                $this->error['keyword'] = sprintf($this->language->get('error_keyword'));
            }
            if ($url_alias_info && !isset($this->request->get['article_id'])) {
                $this->error['keyword'] = sprintf($this->language->get('error_keyword'));
            }
        }
        if ($this->error && !isset($this->error['warning'])) {
            $this->error['warning'] = $this->language->get('error_warning');
        }
        return !$this->error;
    }

    protected function validateDelete()
    {
        if (!$this->user->hasPermission('modify', 'blog/article')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }
        return !$this->error;
    }

    protected function validateCopy()
    {
        if (!$this->user->hasPermission('modify', 'blog/article')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }
        return !$this->error;
    }

    public function autocomplete()
    {
        $json = array();
        if (isset($this->request->get['filter_name'])) {
            $this->load->model('blog/article');
            if (isset($this->request->get['filter_name'])) {
                $filter_name = $this->request->get['filter_name'];
            } else {
                $filter_name = '';
            }
            if (isset($this->request->get['limit'])) {
                $limit = $this->request->get['limit'];
            } else {
                $limit = 5;
            }
            $filter_data = array('filter_name' => $filter_name, 'start' => 0, 'limit' => $limit);
            $results = $this->model_blog_article->getArticles($filter_data);
            foreach ($results as $result) {
                $option_data = array();
                $json[] = array('article_id' => $result['article_id'], 'name' => strip_tags(html_entity_decode($result['name'], ENT_QUOTES, 'UTF-8')));
            }
        }
        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }
}