/**
* Posts an Open Graph action to an author's Facebook Timeline
*
* @since 1.0
* @param int $post_id The post ID that will be posted
*/
function fb_post_to_author_fb_timeline($post_id)
{
global $post;
global $facebook;
$status_messages = array();
if (!isset($facebook)) {
return;
}
$options = get_option('fb_options');
$fb_mentioned_friends = get_post_meta($post_id, 'fb_mentioned_friends', true);
if (!empty($fb_mentioned_friends)) {
// does current post type and the current theme support post thumbnails?
if (post_type_supports($post->post_type, 'thumbnail') && function_exists('has_post_thumbnail') && has_post_thumbnail()) {
list($post_thumbnail_url, $post_thumbnail_width, $post_thumbnail_height) = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
}
$mentioned_friends_message = get_post_meta($post_id, 'fb_mentioned_friends_message', true);
$publish_ids_friends = array();
$friends_posts = '';
foreach ($fb_mentioned_friends as $friend) {
try {
if (!isset($post_thumbnail_url)) {
$args = array('link' => apply_filters('rel_canonical', get_permalink()), 'name' => get_the_title(), 'caption' => apply_filters('the_excerpt', get_the_excerpt()), 'description' => fb_strip_and_format_desc($post), 'message' => $mentioned_friends_message);
} else {
$args = array('link' => apply_filters('rel_canonical', get_permalink()), 'picture' => $post_thumbnail_url, 'name' => get_the_title(), 'caption' => apply_filters('the_excerpt', get_the_excerpt()), 'description' => fb_strip_and_format_desc($post), 'message' => $mentioned_friends_message);
}
$args['ref'] = 'fbwpp';
$publish_result = $facebook->api('/' . $friend['id'] . '/feed', 'POST', $args);
$publish_ids_friends[] = sanitize_text_field($publish_result['id']);
$friends_posts .= '<a href="' . esc_url(fb_get_permalink_from_feed_publish_id($publish_result['id'])) . '" target="_blank"><img src="' . esc_url('http://graph.facebook.com/' . $friend['id'] . '/picture') . '" width="15"></a> ';
} catch (WP_FacebookApiException $e) {
$error_result = $e->getResult();
if ($e->getCode() == 210) {
$status_messages[] = array('message' => sprintf(__('Failed posting to mentioned friend\'s Facebook Timeline. <img src="' . esc_url('http://graph.facebook.com/' . $friend['id'] . '/picture') . '" width="15"> Error: Page doesn\'t allow posts from other Facebook users. Full error: ' . json_encode($error_result['error']), true)), 'error' => true);
} else {
$status_messages[] = array('message' => sprintf(__('Failed posting to mentioned friend\'s Facebook Timeline. <img src="' . esc_url('http://graph.facebook.com/' . $friend['id'] . '/picture') . '" width="15"> Error: ' . json_encode($error_result['error']), true)), 'error' => true);
}
}
}
update_post_meta($post_id, 'fb_mentioned_friends_post_ids', $publish_ids_friends);
if (!empty($publish_ids_friends)) {
$status_messages[] = array('message' => sprintf(__('Posted to mentioned friends\' Facebook Timelines. ' . $friends_posts)), 'error' => false);
}
}
$fb_mentioned_pages = get_post_meta($post_id, 'fb_mentioned_pages', true);
$pages_posts = '';
if (!empty($fb_mentioned_pages)) {
$mentioned_pages_message = get_post_meta($post_id, 'fb_mentioned_pages_message', true);
$publish_ids_pages = array();
foreach ($fb_mentioned_pages as $page) {
try {
if (!isset($post_thumbnail_url)) {
$args = array('link' => apply_filters('rel_canonical', get_permalink()), 'name' => get_the_title(), 'caption' => apply_filters('the_excerpt', get_the_excerpt()), 'description' => fb_strip_and_format_desc($post), 'message' => $mentioned_pages_message);
} else {
$args = array('link' => apply_filters('rel_canonical', get_permalink()), 'picture' => $post_thumbnail_url, 'name' => get_the_title(), 'caption' => apply_filters('the_excerpt', get_the_excerpt()), 'description' => fb_strip_and_format_desc($post), 'message' => $mentioned_pages_message);
}
$args['ref'] = 'fbwpp';
$publish_result = $facebook->api('/' . $page['id'] . '/feed', 'POST', $args);
$publish_ids_pages[] = sanitize_text_field($publish_result['id']);
$pages_posts .= '<a href="' . sanitize_text_field(fb_get_permalink_from_feed_publish_id($publish_result['id'])) . '" target="_blank"><img src="http://graph.facebook.com/' . $page['id'] . '/picture" width="15" target="_blank"></a> ';
} catch (WP_FacebookApiException $e) {
$error_result = $e->getResult();
if ($e->getCode() == 210) {
$status_messages[] = array('message' => sprintf(__('Failed posting to mentioned page\'s Facebook Timeline. <img src="http://graph.facebook.com/' . $page['id'] . '/picture" width="15"> Error: Page doesn\'t allow posts from other Facebook users. Full error: ' . json_encode($error_result['error']), true)), 'error' => true);
} else {
$status_messages[] = array('message' => sprintf(__('Failed posting to mentioned page\'s Facebook Timeline. <img src="http://graph.facebook.com/' . $page['id'] . '/picture" width="15"> Error: ' . json_encode($error_result['error']), true)), 'error' => true);
}
}
}
update_post_meta($post_id, 'fb_mentioned_pages_post_ids', $publish_ids_pages);
if (!empty($publish_ids_pages)) {
$status_messages[] = array('message' => sprintf(__('Posted to mentioned pages\' Facebook Timelines. ' . $pages_posts)), 'error' => false);
}
}
$fb_user = fb_get_current_user();
if (isset($fb_user)) {
$perms = $facebook->api('/me/permissions', 'GET', array('ref' => 'fbwpp'));
}
if (isset($fb_user) && isset($perms['data'][0]['manage_pages']) && isset($perms['data'][0]['publish_actions']) && isset($perms['data'][0]['publish_stream'])) {
$author_message = get_post_meta($post_id, 'fb_author_message', true);
try {
//POST https://graph.facebook.com/me/news.reads?article=[article object URL]
$publish_result = $facebook->api('/me/news.publishes', 'POST', array('message' => $author_message, 'article' => get_permalink($post_id)));
update_post_meta($post_id, 'fb_author_post_id', sanitize_text_field($publish_result['id']));
} catch (WP_FacebookApiException $e) {
$error_result = $e->getResult();
//Unset the option to publish to an author's Timeline, since the likely failure is because the admin didn't set up the proper OG action and object in their App Settings
//if it's a token issue, it's because the Author hasn't auth'd the WP site yet, so don't unset the option (since that will turn it off for all authors)
/*if ($e->getType() != 'OAuthException') {
$options['social_publisher']['publish_to_authors_facebook_timeline'] = false;
update_option( 'fb_options', $options );
}*/
$status_messages[] = array('message' => sprintf(__('Failed posting to your Facebook Timeline. Error: ' . json_encode($error_result['error']), true)), 'error' => true);
}
if (isset($publish_result) && isset($publish_result['id'])) {
$status_messages[] = array('message' => sprintf(__('Posted to <a href="http://www.facebook.com/' . sanitize_text_field($publish_result['id']) . '" target="_blank">your Facebook Timeline</a>', false)), 'error' => false);
}
}
$existing_status_messages = get_post_meta($post_id, 'fb_status_messages', true);
if (!empty($existing_status_messages)) {
$status_messages = array_merge($existing_status_messages, $status_messages);
}
update_post_meta($post->ID, 'fb_status_messages', $status_messages);
add_filter('redirect_post_location', 'fb_add_new_post_location');
}
/**
* Add Open Graph protocol markup to <head>
*
* @since 1.0
*/
function fb_add_og_protocol()
{
global $post;
$meta_tags = array('http://ogp.me/ns#locale' => fb_get_locale(), 'http://ogp.me/ns#site_name' => get_bloginfo('name'), 'http://ogp.me/ns#type' => 'website');
if (is_home() || is_front_page()) {
$meta_tags['http://ogp.me/ns#title'] = get_bloginfo('name');
$meta_tags['http://ogp.me/ns#description'] = get_bloginfo('description');
} else {
if (is_single()) {
$post_type = get_post_type();
$meta_tags['http://ogp.me/ns#type'] = 'article';
$meta_tags['http://ogp.me/ns#url'] = apply_filters('rel_canonical', get_permalink());
if (post_type_supports($post_type, 'title')) {
$meta_tags['http://ogp.me/ns#title'] = get_the_title();
}
if (post_type_supports($post_type, 'excerpt')) {
// thanks to Angelo Mandato (http://wordpress.org/support/topic/plugin-facebook-plugin-conflicts-with-powerpress?replies=16)
// Strip and format the wordpress way, but don't apply any other filters which adds junk that ends up getitng stripped back out
if (!post_password_required($post)) {
// First lets get the post excerpt (shouldn't have any html, but anyone can enter anything...)
$meta_tags['http://ogp.me/ns#description'] = fb_strip_and_format_desc($post);
}
}
$meta_tags['http://ogp.me/ns/article#published_time'] = get_the_date('c');
$meta_tags['http://ogp.me/ns/article#modified_time'] = get_the_modified_date('c');
if (post_type_supports($post_type, 'author') && isset($post->post_author)) {
$meta_tags['http://ogp.me/ns/article#author'] = get_author_posts_url($post->post_author);
}
// add the first category as a section. all other categories as tags
$cat_ids = get_the_category();
if (!empty($cat_ids)) {
$cat = get_category($cat_ids[0]);
if (!empty($cat)) {
$meta_tags['http://ogp.me/ns/article#section'] = $cat->name;
}
//output the rest of the categories as tags
unset($cat_ids[0]);
if (!empty($cat_ids)) {
$meta_tags['http://ogp.me/ns/article#tag'] = array();
foreach ($cat_ids as $cat_id) {
$cat = get_category($cat_id);
$meta_tags['http://ogp.me/ns/article#tag'][] = $cat->name;
unset($cat);
}
}
}
// add tags. treat tags as lower priority than multiple categories
$tags = get_the_tags();
if ($tags) {
if (!array_key_exists('http://ogp.me/ns/article#tag', $meta_tags)) {
$meta_tags['http://ogp.me/ns/article#tag'] = array();
}
foreach ($tags as $tag) {
$meta_tags['http://ogp.me/ns/article#tag'][] = $tag->name;
}
}
// does current post type and the current theme support post thumbnails?
if (post_type_supports($post_type, 'thumbnail') && function_exists('has_post_thumbnail') && has_post_thumbnail()) {
list($post_thumbnail_url, $post_thumbnail_width, $post_thumbnail_height) = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
if (!empty($post_thumbnail_url)) {
$image = array('url' => $post_thumbnail_url);
if (!empty($post_thumbnail_width)) {
$image['width'] = absint($post_thumbnail_width);
}
if (!empty($post_thumbnail_height)) {
$image['height'] = absint($post_thumbnail_height);
}
$meta_tags['http://ogp.me/ns#image'] = array($image);
}
}
} else {
if (is_author() && isset($post->post_author)) {
$meta_tags['http://ogp.me/ns#type'] = 'profile';
$meta_tags['http://ogp.me/ns/profile#first_name'] = get_the_author_meta('first_name', $post->post_author);
$meta_tags['http://ogp.me/ns/profile#last_name'] = get_the_author_meta('last_name', $post->post_author);
if (is_multi_author()) {
$meta_tags['http://ogp.me/ns/profile#username'] = get_the_author_meta('login', $post->post_author);
}
} else {
if (is_page()) {
$meta_tags['http://ogp.me/ns#type'] = 'article';
$meta_tags['http://ogp.me/ns#title'] = get_the_title();
$meta_tags['http://ogp.me/ns#url'] = apply_filters('rel_canonical', get_permalink());
}
}
}
}
$options = get_option('fb_options');
if (!empty($options['app_id'])) {
$meta_tags['http://ogp.me/ns/fb#app_id'] = $options['app_id'];
}
$meta_tags = apply_filters('fb_meta_tags', $meta_tags, $post);
foreach ($meta_tags as $property => $content) {
fb_output_og_protocol($property, $content);
}
}
