<?php
class ModelBlogAuthor extends Model {
    

	public function getAuthor($author_id) {
		$query = $this->db->query("SELECT DISTINCT *  FROM " . DB_PREFIX . "blog_author ba
                 LEFT JOIN  ". DB_PREFIX . "blog_author_description bad ON bad.author_id = ba.author_id
                 WHERE ba.author_id = '" . (int)$author_id . "' AND  bad.language_id = '" . (int)$this->config->get('config_language_id') . "'");

		return $query->row;
	}

	public function getAuthors($data = array()) {
		$sql = "SELECT * FROM " . DB_PREFIX . "blog_author";

		if (!empty($data['filter_name'])) {
			$sql .= " WHERE name LIKE '" . $this->db->escape($data['filter_name']) . "%'";
		}

		$sort_data = array(
			'name',
			'sort_order'
		);

		if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
			$sql .= " ORDER BY " . $data['sort'];
		} else {
			$sql .= " ORDER BY name";
		}

		if (isset($data['order']) && ($data['order'] == 'DESC')) {
			$sql .= " DESC";
		} else {
			$sql .= " ASC";
		}

		if (isset($data['start']) || isset($data['limit'])) {
			if ($data['start'] < 0) {
				$data['start'] = 0;
			}

			if ($data['limit'] < 1) {
				$data['limit'] = 20;
			}

			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
		}

		$query = $this->db->query($sql);

		return $query->rows;
	}


	public function getAuthorDescriptions($author_id) {
		$author_description_data = array();

		$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "blog_author_description WHERE author_id = '" . (int)$author_id . "'");

		foreach ($query->rows as $result) {
			$author_description_data[$result['language_id']] = array(
				'description'      => $result['description']
			);
		}

		return $author_description_data;
	}


	public function getTotalAuthors() {
		$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "blog_author");

		return $query->row['total'];
	}
}