wp_core_data_helpers.php

<?php
require_once(dirname(__FILE__).'/wp_alchemy_helpers.php');

/**
 * @author   	Mark Kirby
 * @copyright	Copyright (c) 2012, Mark Kirby, http://mark-kirby.co.uk/
 * @license  	http://en.wikipedia.org/wiki/MIT_License The MIT License
 * @package  	Chester
 * @version  	0.1
 * @link     	https://github.com/markirby/Chester-WordPress-MVC-Theme-Framework
 * @link     	http://thisishatch.co.uk/
 */
 
class ChesterWPCoreDataHelpers {
  
  public static function getBlogInfoData() {
    return array(
      'blog_title' => self::getBlogTitle(),
      'name' => get_bloginfo('name'),
      'description' => get_bloginfo('description'),
      'admin_email' => get_bloginfo('admin_email'),

      'url' => get_bloginfo('url'),
      'wpurl' => get_bloginfo('wpurl'),

      'stylesheet_directory' => get_bloginfo('stylesheet_directory'),
      'stylesheet_url' => get_bloginfo('stylesheet_url'),
      'template_directory' => get_bloginfo('template_directory'),
      'template_url' => get_bloginfo('template_url'),

      'atom_url' => get_bloginfo('atom_url'),
      'rss2_url' => get_bloginfo('rss2_url'),
      'rss_url' => get_bloginfo('rss_url'),
      'pingback_url' => get_bloginfo('pingback_url'),
      'rdf_url' => get_bloginfo('rdf_url'),

      'comments_atom_url' => get_bloginfo('comments_atom_url'),
      'comments_rss2_url' => get_bloginfo('comments_rss2_url'),

      'charset' => get_bloginfo('charset'),
      'html_type' => get_bloginfo('html_type'),
      'language' => get_bloginfo('language'),
      'text_direction' => get_bloginfo('text_direction'),
      'version' => get_bloginfo('version'),
      
      'is_user_logged_in' => is_user_logged_in()
    );
  }
    
  public static function getWordpressPostsFromLoop($dateFormat = false, $customFields = array(), $fetchAllPosts = false) {
    $posts = array();
    
    if (!empty($fetchAllPosts)) {
      global $query_string;
      query_posts($query_string . '&posts_per_page=-1&orderby=menu_order');
    }
    
    if (have_posts()) {
      while (have_posts()) {
        the_post();
        array_push($posts, self::getPost($dateFormat, $customFields));
      }
    }
    
    return $posts;
  }
  
  public static function getPosts($dateFormat = false, $postType = 'post', $numberPostsToFetch = -1, $customFields = array(), $oddOrEven = false) {
    global $post;

    $posts = array();
    
    $querySettings = array(
      'post_type' => array($postType),
      'posts_per_page' => $numberPostsToFetch,
    );
        
    $loop = new WP_Query($querySettings);
    
    $index = 0;
    if ($loop->have_posts()) {
      while ($loop->have_posts()) {
        $index++;
        $loop->the_post();

        if (!($oddOrEven) || ($oddOrEven == 'EVEN' && $index % 2) || ($oddOrEven == 'ODD' && !($index % 2))) {
          array_push($posts, self::getPost($dateFormat, $customFields));
        }
        
      }
    } 
    
    return $posts;
  }
  
  public static function getPageCustomFields($id, $customFields) {
    $post = array();
    
    foreach ($customFields as $customField) {
      $post = self::setCustomFieldOnPost($id, $customField, $post);
    }
    
    return $post;
  }
  
  
  private static function getPost($dateFormat = false, $customFields = array()) {
    
    if (!$dateFormat) {
      $dateFormat = get_option('date_format');
    }
    
    $tags = get_the_tags();
    $categories = get_the_category();
    
    $post = array(
      'permalink' => get_permalink(),
      'title' => get_the_title(),
      'time' => get_the_time($dateFormat),
      'content' => self::getTheFilteredContentFromLoop(),
      'excerpt' => get_the_excerpt(),
      'author' => get_the_author(),
      'author_link' => get_the_author_link(),
      'the_tags' => self::getTagsAsArray($tags),
      'the_categories' => self::getCategoriesAsArray($categories)
    );
    if (!$tags) {
      $post['has_tags'] = false;
    } else {
      $post['has_tags'] = true;
    }
    if (!$categories) {
      $post['has_categories'] = false;
    } else {
      $post['has_categories'] = true;
    }
    
    $post = self::addCustomFieldsToPost($customFields, $post);
    $post = self::addThumbnailsToPost($post);
    
    return $post;
  }
    
  private static function getBlogTitle() {
    if (is_home()) {
      return get_bloginfo('name');
    } else {
      return wp_title("-", false, "right")." ".get_bloginfo('name');
    }
  }
  
  private static function getTheFilteredContentFromLoop() {
    $content = apply_filters('the_content', get_the_content());
    $content = str_replace(']]>', ']]&gt;', $content);
    return $content;
  }
  
  private static function getTagsAsArray($theTags) {
    if (!$theTags) {
      return array();
    }
    $array = array();
    
    foreach ($theTags as $tag) {
      $tagAsArray = get_object_vars($tag);
      $tagAsArray['tag_link'] = get_tag_link($tag->term_id);
      array_push($array, $tagAsArray);
    }

    return $array;
    
  }

  private static function getCategoriesAsArray($theCategories) {
    if (!$theCategories) {
      return array();
    }
    $array = array();
    
    foreach ($theCategories as $category) {
      $categoryAsArray = get_object_vars($category);
      $categoryAsArray['category_link'] = get_category_link($category->term_id);
      array_push($array, $categoryAsArray);
    }

    return $array;
    
  }
  
  private static function addCustomFieldsToPost($customFields = array(), $post = FALSE) {
    if (empty($customFields) || empty($post)) {
      return $post;
    }

    foreach ($customFields as $customField) {
      if (empty($customField)) {
        continue;
      }
      $post = self::setCustomFieldOnPost(get_the_ID(), $customField, $post);
    }
    
    return $post;
    
  }
  
  private static function setCustomFieldOnPost($postId, $customField, $post) {
    if (is_string($customField)) {
      $post[$customField] = get_post_meta($postId, ChesterWPAlchemyHelpers::$metaKeyPrefix . $customField, true);
    } else {
      $name = $customField['name'];
      $post[$name] = get_post_meta($postId, ChesterWPAlchemyHelpers::$metaKeyPrefix . $name, true);
      if ($customField['fieldType'] == 'textarea') {
        $post[$name] = wpautop($post[$name]);
      }
    }
    return $post;
  }
  
  private static function addThumbnailsToPost($post) {
    $sizes = array('thumbnail', 'medium', 'large', 'full');
    
    foreach ($sizes as $size) {
      $imageObject = wp_get_attachment_image_src(get_post_thumbnail_id(get_the_ID()), $size);
      if (!empty($imageObject)) {
        $post['featured_image_url_'.$size] = $imageObject[0];
      }
    }
    
    return $post;
    
  }
}

?>