<?php
// *	@source		See SOURCE.txt for source and other copyright.
// *	@license	GNU General Public License version 3; see LICENSE.txt

class ControllerBlogCategory extends Controller {
	public function index() {
		$this->load->language('blog/category');

		$this->load->model('blog/category');
		$this->load->model('blog/article');
		$this->load->model('tool/image');

        $disallow_params = explode("\r\n", $this->config->get('config_noindex_disallow_params'));

		if (isset($this->request->get['sort'])) {
			$sort = $this->request->get['sort'];
            if (!in_array('sort', $disallow_params, true) && $this->config->get('config_noindex_status')) {
                $this->document->setRobots('noindex,follow');
            }
		} else {
			$sort = 'p.date_added';
		}

		if (isset($this->request->get['order'])) {
			$order = $this->request->get['order'];
            if (!in_array('order', $disallow_params, true) && $this->config->get('config_noindex_status')) {
                $this->document->setRobots('noindex,follow');
            }
		} else {
			$order = 'DESC';
		}

		if (isset($this->request->get['page'])) {
			$page = $this->request->get['page'];
            if (!in_array('page', $disallow_params, true) && $this->config->get('config_noindex_status')) {
                $this->document->setRobots('noindex,follow');
            }
		} else {
			$page = 1;
		}

		if (isset($this->request->get['limit'])) {
			$limit = $this->request->get['limit'];
            if (!in_array('limit', $disallow_params, true) && $this->config->get('config_noindex_status')) {
                $this->document->setRobots('noindex,follow');
            }
		} else {
			$limit = $this->config->get('configblog_article_limit');
		}

		$data['breadcrumbs'] = array();

		$data['breadcrumbs'][] = array(
			'text' => $this->language->get('text_home'),
			'href' => $this->url->link('common/home')
		);
		
		$configblog_name = $this->config->get('configblog_name');
		
		if (!empty($configblog_name)) {
			$name = $this->config->get('configblog_name');
		} else {
			$name = $this->language->get('text_blog');
		}
		
		$data['breadcrumbs'][] = array(
			'text' => $name,
			'href' => $this->url->link('blog/latest')
		);

		if (isset($this->request->get['blog_category_id'])) {
			$url = '';

			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['limit'])) {
				$url .= '&limit=' . $this->request->get['limit'];
			}

			$blog_category_id = '';

			$parts = explode('_', (string)$this->request->get['blog_category_id']);

			$blog_category_id = (int)array_pop($parts);
			
			$blog_category_id_temp = 0;

            foreach ($parts as $blog_category_id_id) {
                if (!$blog_category_id_temp) {
                    $blog_category_id_temp = (int)$blog_category_id_id;
                } else {
                    $blog_category_id_temp .= '_' . (int)$blog_category_id_id;
                }

                $category_info = $this->model_blog_category->getCategory($blog_category_id_id);

                if ($category_info) {
                    $data['breadcrumbs'][] = array(
                        'text' => $category_info['name'],
                        'href' => $this->url->link('blog/category', 'blog_category_id=' . $blog_category_id_temp . $url)
                    );
                }
            }
		} else {
			$blog_category_id = 0;
		}

		$category_info = $this->model_blog_category->getCategory($blog_category_id);

		if ($category_info) {
			
			if ($category_info['meta_title']) {
				$this->document->setTitle($category_info['meta_title']);
			} else {
				$this->document->setTitle($category_info['name']);
			}
			
			if ($category_info['noindex'] <= 0 && $this->config->get('config_noindex_status')) {
				$this->document->setRobots('noindex,follow');
			}
			
			if ($category_info['meta_h1']) {
				$data['heading_title'] = $category_info['meta_h1'];
			} else {
				$data['heading_title'] = $category_info['name'];
			}
			
			$this->document->setDescription($category_info['meta_description']);
			$this->document->setKeywords($category_info['meta_keyword']);
			$this->document->addLink($this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id']), 'canonical');

			// Set the last category breadcrumb
			$data['breadcrumbs'][] = array(
				'text' => $category_info['name'],
				'href' => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'])
			);

			if ($category_info['image']) {
				$data['thumb'] = $this->model_tool_image->resize($category_info['image'], $this->config->get('configblog_image_category_width'), $this->config->get('configblog_image_category_height'));
			} else {
				$data['thumb'] = '';
			}

			$data['description'] = html_entity_decode($category_info['description'], ENT_QUOTES, 'UTF-8');
			$data['configblog_review_status'] = $this->config->get('configblog_review_status');

			$url = '';

			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['limit'])) {
				$url .= '&limit=' . $this->request->get['limit'];
			}

			$data['categories'] = array();

			$results = $this->model_blog_category->getCategories($blog_category_id);

			foreach ($results as $result) {
				
				$filter_data = array(
					'filter_blog_category_id'  => $result['blog_category_id'],
					'filter_sub_category' => true
				);

				$data['categories'][] = array(
					'name'  => $result['name'] . ($this->config->get('configblog_article_count') ? ' (' . $this->model_blog_article->getTotalArticles($filter_data) . ')' : ''),
					'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '_' . $result['blog_category_id'] . $url)
				);
			}

			$data['articles'] = array();

			$article_data = array(
				'filter_blog_category_id' => $blog_category_id,
				'sort'               => $sort,
				'order'              => $order,
				'start'              => ($page - 1) * $limit,
				'limit'              => $limit
			);
			
			$article_total = $this->model_blog_article->getTotalArticles($article_data);

			$results = $this->model_blog_article->getArticles($article_data);
			
			foreach ($results as $result) {
				if ($result['image']) {
					$image = $this->model_tool_image->resize($result['image'], $this->config->get('configblog_image_article_width'), $this->config->get('configblog_image_article_height'));
				} else {
					$image = $this->model_tool_image->resize('placeholder.png', $this->config->get('configblog_image_article_width'), $this->config->get('configblog_image_article_height'));
				}

				if ($this->config->get('configblog_review_status')) {
					$rating = (int)$result['rating'];
				} else {
					$rating = false;
				}

				$data['articles'][] = array(
					'article_id'  => $result['article_id'],
					'thumb'       => $image,
					'name'        => $result['name'],
					'description' => utf8_substr(strip_tags(html_entity_decode($result['description'], ENT_QUOTES, 'UTF-8')), 0, $this->config->get('configblog_article_description_length')) . '..',
					'date_added'  => date($this->language->get('date_format_short'), strtotime($result['date_added'])),
					'viewed'      => $result['viewed'],
					'rating'      => $result['rating'],
					'href'        => $this->url->link('blog/article', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&article_id=' . $result['article_id'] . $url)
				);
			}

			$url = '';

			if (isset($this->request->get['limit'])) {
				$url .= '&limit=' . $this->request->get['limit'];
			}

			$data['sorts'] = array();
			
			$data['sorts'][] = array(
				'text'  => $this->language->get('text_default'),
				'value' => 'p.sort_order-ASC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=p.sort_order&order=ASC' . $url)
			);
			
			$data['sorts'][] = array(
				'text'  => $this->language->get('text_name_asc'),
				'value' => 'pd.name-ASC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=pd.name&order=ASC' . $url)
			);

			$data['sorts'][] = array(
				'text'  => $this->language->get('text_name_desc'),
				'value' => 'pd.name-DESC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=pd.name&order=DESC' . $url)
			);

			$data['sorts'][] = array(
				'text'  => $this->language->get('text_date_asc'),
				'value' => 'p.date_added-ASC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=p.date_added&order=ASC' . $url)
			); 

			$data['sorts'][] = array(
				'text'  => $this->language->get('text_date_desc'),
				'value' => 'p.date_added-DESC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=p.date_added&order=DESC' . $url)
			); 
			
			if ($this->config->get('configblog_review_status')) {
				$data['sorts'][] = array(
					'text'  => $this->language->get('text_rating_desc'),
					'value' => 'rating-DESC',
					'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=rating&order=DESC' . $url)
				); 
				
				$data['sorts'][] = array(
					'text'  => $this->language->get('text_rating_asc'),
					'value' => 'rating-ASC',
					'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=rating&order=ASC' . $url)
				);
			}
			
			$data['sorts'][] = array(
				'text'  => $this->language->get('text_viewed_asc'),
				'value' => 'p.viewed-ASC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=p.viewed&order=ASC' . $url)
			); 

			$data['sorts'][] = array(
				'text'  => $this->language->get('text_viewed_desc'),
				'value' => 'p.viewed-DESC',
				'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . '&sort=p.viewed&order=DESC' . $url)
			); 
			
			$url = '';

			if (isset($this->request->get['sort'])) {
				$url .= '&sort=' . $this->request->get['sort'];
			}

			if (isset($this->request->get['order'])) {
				$url .= '&order=' . $this->request->get['order'];
			}

			$data['limits'] = array();

			$limits = array_unique(array($this->config->get('configblog_article_limit'), 25, 50, 75, 100));

			sort($limits);

			foreach($limits as $value) {
				$data['limits'][] = array(
					'text'  => $value,
					'value' => $value,
					'href'  => $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . $url . '&limit=' . $value)
				);
			}

			$url = '';

			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['limit'])) {
				$url .= '&limit=' . $this->request->get['limit'];
			}

			$pagination = new Pagination();
			$pagination->total = $article_total;
			$pagination->page = $page;
			$pagination->limit = $limit;
			$pagination->url = $this->url->link('blog/category', 'blog_category_id=' . $this->request->get['blog_category_id'] . $url . '&page={page}');

			$data['pagination'] = $pagination->render();

			$data['results'] = sprintf($this->language->get('text_pagination'), ($article_total) ? (($page - 1) * $limit) + 1 : 0, ((($page - 1) * $limit) > ($article_total - $limit)) ? $article_total : ((($page - 1) * $limit) + $limit), $article_total, ceil($article_total / $limit));

			$data['sort'] = $sort;
			$data['order'] = $order;
			$data['limit'] = $limit;

			$data['continue'] = $this->url->link('common/home');

			$data['column_left'] = $this->load->controller('common/column_left');
			$data['column_right'] = $this->load->controller('common/column_right');
			$data['content_top'] = $this->load->controller('common/content_top');
			$data['content_bottom'] = $this->load->controller('common/content_bottom');
			$data['footer'] = $this->load->controller('common/footer');
			$data['header'] = $this->load->controller('common/header');

			$this->response->setOutput($this->load->view('blog/category', $data));
		} else {
			$url = '';

			if (isset($this->request->get['blog_category_id'])) {
				$url .= '&blog_category_id=' . $this->request->get['blog_category_id'];
			}

			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'];
			}

			if (isset($this->request->get['limit'])) {
				$url .= '&limit=' . $this->request->get['limit'];
			}

			$data['breadcrumbs'][] = array(
				'text' => $this->language->get('text_error'),
				'href' => $this->url->link('blog/category', $url)
			);

			$this->document->setTitle($this->language->get('text_error'));

			$data['heading_title'] = $this->language->get('text_error');

			$data['text_error'] = $this->language->get('text_error');

			$data['button_continue'] = $this->language->get('button_continue');

			$data['continue'] = $this->url->link('common/home');

			$this->response->addHeader($this->request->server['SERVER_PROTOCOL'] . ' 404 Not Found');

			$data['column_left'] = $this->load->controller('common/column_left');
			$data['column_right'] = $this->load->controller('common/column_right');
			$data['content_top'] = $this->load->controller('common/content_top');
			$data['content_bottom'] = $this->load->controller('common/content_bottom');
			$data['footer'] = $this->load->controller('common/footer');
			$data['header'] = $this->load->controller('common/header');

			$this->response->setOutput($this->load->view('error/not_found', $data));
		}
	}
}