<?php
/**
 * Blog model for interfacing with a Wordpress backend
 *
 * @author Alex Crooks
 **/

// Load the wordpress bootstrap and it's helpers
define('WP_USE_THEMES', false);
require_once(APP_PATH.BLOG_FOLDER.'wp-blog-header.php');

class Blog
{
    function __construct()
    {
        // STUB
    }

    // Get posts of any type
    function getPosts($numOfPosts = MAX_ARTICLES, $offset = 0, $type = 'post', $dateFilter = FALSE, $orderBy = 'post_date', $order = 'DESC')
    {
        $query = array(
            'post_status'   => 'publish',
            'post_type'     => $type,
            'orderby'       => $orderBy,
            'order'         => $order,
            'offset'        => $offset,
            'numberposts'   => $numOfPosts,
        );

        if($dateFilter)
        {
            $query['monthnum'] = $dateFilter['month'];
            $query['year'] = $dateFilter['year'];
        }

        return get_posts($query);
    }

    // Get post or page by slug ("post_name" in wp db)
    function getPost($slug = FALSE, $type = 'post')
    {
        if(!$slug)
            return FALSE;

        $getPost = get_page_by_path($slug, 'OBJECT', $type);

        if($getPost)
        {
            if($getPost->post_status == "publish")
                return $getPost;
            else
                return false;
        }
        else
        {
            return false;
        }
    }

    function getAttachedImage($id, $type)
    {
        return wp_get_attachment_url(get_post_meta($id, $type, true));
    }

    function getTeamMember($id)
    {
        if(!$id)
            return FALSE;

        return get_post($id, 'OBJECT');
    }

    // Get preview to a post
    function getPreview($id = FALSE)
    {
        if(!$id)
            return FALSE;

        return get_post($id, 'OBJECT');
    }

    // Add share click
    function addSocialShare($postID, $type)
    {
        // Increment share count in db
        $count = $this->getShares($postID, $type);
        update_post_meta($postID, '_share_'.$type, ++$count);
    }

    // Get count for this share
    function getShares($postID, $type)
    {
        $count = get_post_meta($postID, '_share_'.$type, true);
        if(empty($count) || $count < 0) $count = 0;

        return $count;
    }

    // Get related posts based on tags used in original post
    function getRelated($postID, $exclude = '', $numResults = 5)
    {
        $related = array();
        $tags = array();
        $getTags = wp_get_post_tags($postID);

        if($getTags && $postID)
        {
            foreach($getTags as $tag)
            {
                $tags[] = $tag->term_id;
            }

            $related = get_posts(array(
                'numberposts'   => $numResults,
                'tag__in'       => $tags,
                'post__not_in'  => array($postID),
                'exclude'       => $exclude,
            ));
        }

        return $related;
    }

    function getCategoryBySlug($slug)
    {
        return get_category_by_slug($slug);
    }

    function getCategory($postID)
    {
        $category = get_the_category($postID);

        if($category)
        {
            $data = new stdClass();

            $data->ID = $category[0]->cat_ID;
            $data->name = $category[0]->name;
            $data->slug = $category[0]->slug;

            return $data;
        }
        else
        {
            return FALSE;
        }
    }

    function getPostsInCategory($cat, $exclude = '', $offset = 0, $maxPosts = MAX_ARTICLES, $type = 'post')
    {
        return get_posts(array(
            'post_status'   => 'publish',
            'post_type'     => $type,
            'category_name' => $cat,
            'exclude'       => $exclude,
            'offset'        => $offset,
            'numberposts'   => $maxPosts
        ));
    }

    function getPostsInCustomCategory($tax, $cat, $type = 'post')
    {
        return get_posts(array(
            'post_status'   => 'publish',
            'post_type'     => $type,
            $tax            => $cat,
            'numberposts'   => -1
        ));
    }

    // Get our latest blog posts
    function getLatest($numOfPosts = MAX_ARTICLES, $offset = 0)
    {
        return wp_get_recent_posts(array(
            'numberposts' => $numOfPosts,
            'offset' => $offset,
            'post_status' => 'publish'
        ), 'OBJECT');
    }

    function search($term, $offset = 0, $maxPosts = MAX_ARTICLES)
    {
        return get_posts(array(
            's'             => $term,
            'post_status'   => 'publish',
            'offset'        => $offset,
            'numberposts'   => $maxPosts
        ));
    }

    function clean($content)
    {
        return stripslashes(htmlspecialchars($content, ENT_QUOTES, 'UTF-8'));
    }
}
$blog = new Blog();