WordPress Post Formats as Categories

wp-post-formats-as-categories.php

<?php
/*
Plugin Name: Formats as Categories 
Plugin URI: http://alexking.org/projects/wordpress 
Description: Have enabled post formats show up as categories for selection via XML-RPC clients (iPhone, Android, etc.). 
Version: 1.0dev
Author: Crowd Favorite
Author URI: http://crowdfavorite.com
*/

// ini_set('display_errors', '1'); ini_set('error_reporting', E_ALL);

load_plugin_textdomain('formats-as-cats');

/* TODO

- test on XMLRPC

*/

define('FASC_CAT_OFFSET', 1000000);

function fasc_create_term($format, $cat_id) {
	$term = new stdClass;
	$term->term_id = $cat_id;
	$term->name = sprintf(__('Format: %s', 'formats-as-cats'), ucwords($format));
	$term->slug = 'fasc-format-'.$format;
	$term->term_group = 0;
	$term->term_taxonomy_id = 1;
	$term->taxonomy = 'category';
	$term->description = '';
	$term->parent = 0;
	$term->count = 0;
	return $term;
}

function fasc_get_terms($terms, $taxonomies) {
// 	if (!defined('XMLRPC_REQUEST') || !current_theme_supports('post-formats') || !in_array('category', $taxonomies)) {
// 		return $terms;
// 	}
	$formats = get_theme_support('post-formats');
	if (is_array($formats)) {
		$formats = $formats[0];
		$i = 0;
		$format_terms = array();
		foreach ($formats as $format) {
			$format_terms[] = fasc_create_term($format, FASC_CAT_OFFSET + $i);
			$i++;
		}
		$terms = array_merge($format_terms, $terms);
	}
	return $terms;
}
add_filter('get_terms', 'fasc_get_terms', 10, 2);

function fasc_get_the_terms($terms, $id, $taxonomy) {
// 	if (!defined('XMLRPC_REQUEST') || !current_theme_supports('post-formats') || $taxonomy != 'category') {
// 		return $terms;
// 	}
	remove_filter('get_the_terms', 'fasc_get_the_terms', 10, 3);
	if ($format = get_post_format($id)) {
		$terms[] = fasc_create_term($format, fasc_format_to_cat_id($format));
	}
	add_filter('get_the_terms', 'fasc_get_the_terms', 10, 3);
	return $terms;
}
add_filter('get_the_terms', 'fasc_get_the_terms', 10, 3);

function fasc_init() {
// 	if (!defined('XMLRPC_REQUEST') || !current_theme_supports('post-formats')) {
// 		return;
// 	}

// This works for the web, but we probably need to convert it run something similar on save for XMLRPC

	if (isset($_POST['post_category']) && is_array($_POST['post_category'])) {
		$cats = array();
		foreach ($_POST['post_category'] as $cat_id) {
			if ($cat_id < FASC_CAT_OFFSET) {
				$cats[] = $cat_id;
			}
			else {
				$format = fasc_cat_id_to_format($cat_id);
				if ($format) {
					$_POST['post_format'] = $format;
				}
			}
		}
		$_POST['post_category'] = $cats;
	}
}
add_action('admin_init', 'fasc_init');

function fasc_cat_id_to_format($cat_id) {
	if (!current_theme_supports('post-formats')) {
		return false;
	}
	$formats = get_theme_support('post-formats');
	if (is_array($formats)) {
		$formats = $formats[0];
		$i = 0;
		$format_terms = array();
		foreach ($formats as $format) {
			$test = FASC_CAT_OFFSET + $i;
			if ($test == $cat_id) {
				return $format;
			}
			$i++;
		}
	}
	return false;
}

function fasc_format_to_cat_id($format_str) {
	if (!current_theme_supports('post-formats')) {
		return false;
	}
	$formats = get_theme_support('post-formats');
	if (is_array($formats)) {
		$formats = $formats[0];
		$i = 0;
		$format_terms = array();
		foreach ($formats as $format) {
			if ($format_str == $format) {
				return FASC_CAT_OFFSET + $i;
			}
			$i++;
		}
	}
	return false;
}