<?php
/**
* Twitter implementation for Social.
*
* @package Social
* @subpackage plugins
*/
if (class_exists('Social') and !class_exists('Social_Facebook')) {
final class Social_Facebook {
/**
* Registers Facebook to Social.
*
* @static
* @wp-filter social_register_service
*
* @param array $services
*
* @return array
*/
public static function register_service(array $services) {
$services[] = 'facebook';
return $services;
}
/**
* Adds the permissions stuff in for Facebook.
*
* @static
* @wp-filter social_authorize_url
* @param string $url authorization url
* @param string $key service key
* @return string
*/
public static function social_authorize_url($url, $key) {
if ($key == 'facebook') {
$perms = 'publish_stream';
if (is_admin()) {
$perms .= ',read_stream,offline_access';
}
$url = $url.'?req_perms='.$perms;
}
return $url;
}
/**
* Adds to the avatar comment types array.
*
* @static
* @param array $types
* @return array
*/
public static function get_avatar_comment_types(array $types) {
return array_merge($types, Social_Service_Facebook::comment_types());
}
/**
* Gets the avatar based on the comment type.
*
* @static
* @wp-filter get_avatar
* @param string $avatar
* @param object $comment
* @param int $size
* @param string $default
* @param string $alt
* @return string
*/
public static function get_avatar($avatar, $comment, $size, $default, $alt) {
if (is_object($comment) and in_array($comment->comment_type, Social_Service_Facebook::comment_types())) {
$image = esc_url(get_comment_meta($comment->comment_ID, 'social_profile_image_url', true));
if ($image !== null) {
$size = esc_attr($size);
$type = esc_attr($comment->comment_type);
return '<img alt="'.$alt.'" src="'.$image.'" class="avatar avatar-'.$size.' photo '.$type.'" height="'.$size.'" width="'.$size.'" />';
}
}
return $avatar;
}
/**
* Pre-processor to the comments.
*
* @wp-filter social_comments_array
* @static
* @param array $comments
* @param int $post_id
* @return array
*/
public static function comments_array(array $comments, $post_id) {
// pre-load the hashes for broadcasted tweets
$broadcasted_ids = get_post_meta($post_id, '_social_broadcasted_ids', true);
if (empty($broadcasted_ids) or empty($broadcasted_ids['facebook'])) {
$broadcasted_ids = array();
}
global $wpdb;
// we need comments to be keyed by ID, check for Facebook comments
$facebook_comments = $facebook_likes = $_comments = $comment_ids = array();
foreach ($comments as $key => $comment) {
if (is_object($comment)) {
$_comments['id_'.$comment->comment_ID] = $comment;
if (in_array($comment->comment_type, Social_Service_Facebook::comment_types())) {
$comment_ids[] = $comment->comment_ID;
$facebook_comments['id_'.$comment->comment_ID] = $comment;
}
}
else { // social items
$_comments[$key] = $comment;
}
}
// if no Facebook comments, get out now
if (!count($facebook_comments)) {
return $comments;
}
// use our keyed array
$comments = $_comments;
unset($_comments);
// Load the comment meta
$results = $wpdb->get_results("
SELECT meta_key, meta_value, comment_id
FROM $wpdb->commentmeta
WHERE comment_id IN (".implode(',', $comment_ids).")
AND (
meta_key = 'social_status_id'
OR meta_key = 'social_profile_image_url'
OR meta_key = 'social_comment_type'
)
");
// Set up social data for facebook comments
foreach ($facebook_comments as $key => &$comment) {
$comment->social_items = array();
// Attach meta
foreach ($results as $result) {
if ($comment->comment_ID == $result->comment_id) {
$comment->{$result->meta_key} = $result->meta_value;
}
}
}
// merge data so that $comments has the data we've set up
$comments = array_merge($comments, $facebook_comments);
// set-up the likes
foreach ($facebook_comments as $key => &$comment) {
if (is_object($comment) and isset($broadcasted_ids['facebook'])) {
foreach ($broadcasted_ids['facebook'] as $account_id => $broadcasted) {
if (isset($comment->social_status_id) and isset($broadcasted[$comment->social_status_id]) and $comment->comment_type == 'social-facebook-like') {
$facebook_likes[] = $comment;
unset($comments['id_'.$comment->comment_ID]);
}
}
}
}
// Add the likes
if (!isset($comments['social_items'])) {
$comments['social_items'] = array();
}
if (count($facebook_likes)) {
$comments['social_items']['facebook'] = $facebook_likes;
}
return $comments;
}
/**
* Filters the groups.
*
* @static
* @param array $groups
* @param array $comments
* @return array
*/
public static function comments_array_groups(array $groups, array $comments) {
if (isset($groups['social-facebook-like'])) {
if (!isset($groups['social-facebook'])) {
$groups['social-facebook'] = 0;
}
$groups['social-facebook'] = $groups['social-facebook'] + $groups['social-facebook-like'];
unset($groups['social-facebook-like']);
}
return $groups;
}
/**
* Adds the Facebook Pages checkbox to the button.
*
* @static
* @param string $button
* @param Social_Service_Facebook $service
* @param bool $profile_page
* @return string
*/
public static function social_service_button($button, $service, $profile_page = false) {
if ($service->key() == 'facebook') {
$label = '<input type="checkbox" id="social-facebook-pages" value="true" />'
. '<label for="social-facebook-pages">'.__('Connect with Pages support', 'social').'</label>';
if (!$profile_page) {
$button = explode('</div>', $button);
$button = $button[0].$label.'</div>';
}
}
return $button;
}
/**
* Adds the manage pages permission onto the URL.
*
* @static
* @param string $url
* @return array|string
*/
public static function social_proxy_url($url) {
if (isset($_GET['use_pages']) and strpos($url, 'req_perms') !== false) {
$url = explode('req_perms=', $url);
$url = $url[0].'req_perms=manage_pages,'.$url[1];
// Now add the query param to the response URL
$url = explode('response_url=', $url);
$response_url = add_query_arg(array(
'use_pages' => 'true'
), urldecode($url[1]));
$url = $url[0].'response_url='.urlencode($response_url);
}
return $url;
}
/**
* Saves the Facebook pages.
*
* @wp-action social_settings_save
* @static
* @param bool $is_personal
*/
public static function social_settings_save($is_personal = false) {
$service = Social::instance()->service('facebook');
if ($service !== false) {
$accounts = $service->accounts();
if (count($accounts)) {
foreach ($accounts as $account_id => $account) {
if (isset($_POST['social_facebook_pages_'.$account->id()])) {
$pages = $service->get_pages($account);
$account->pages(array());
if (count($pages)) {
foreach ($_POST['social_facebook_pages_'.$account->id()] as $page_id) {
if (isset($pages[$page_id])) {
$accounts[$account_id] = $account->page($pages[$page_id]);
}
}
}
}
if (defined('IS_PROFILE_PAGE')) {
$accounts[$account_id]->universal(false);
$accounts[$account_id]->use_pages(false, false);
$accounts[$account_id]->pages(array(), false);
}
else {
$accounts[$account_id]->personal(false);
$accounts[$account_id]->use_pages(true, false);
$accounts[$account_id]->pages(array(), true);
}
$accounts[$account_id] = $accounts[$account_id]->as_object();
}
$service->accounts($accounts)->save($is_personal);
}
}
}
/**
* @static
* @param object $account
* @param WP_Post $post
* @param Social_Service_Facebook $service
*
* @return object|bool
*/
public static function social_get_broadcast_account($account, $post, $service) {
if ($service->key() == 'facebook') {
// Load accounts
$found = false;
$accounts = $service->accounts();
foreach ($accounts as $_account) {
$pages = $_account->pages(null, 'combined');
if (isset($pages[$account->id])) {
$found = true;
$account = $_account->broadcast_page($pages[$account->id]);
break;
}
}
if (!$found) {
$personal_accounts = get_user_meta($post->post_author, 'social_accounts', true);
if (isset($personal_accounts['facebook'])) {
foreach ($personal_accounts['facebook'] as $account_id => $_account) {
$_account = new Social_Service_Facebook_Account($_account);
$pages = $_account->pages(null, 'combined');
if (isset($pages[$account->id])) {
$found = true;
$account = $_account->broadcast_page($pages[$account->id]);
break;
}
}
}
}
if ($found) {
return $account;
}
}
return false;
}
/**
* Sets the raw data for the broadcasted post.
*
* @wp-filter social_broadcast_response
* @static
* @param array $data
* @param Social_Service_Account $account
* @param string $service_key
* @param int $post_id
* @param Social_Response $response
* @return array
*/
public static function social_save_broadcasted_ids_data(array $data, Social_Service_Account $account, $service_key, $post_id, Social_Response $response = null) {
if ($service_key == 'facebook') {
$broadcast_page = $account->broadcast_page();
if ($broadcast_page !== null) {
$data['page'] = (object) array(
'id' => $broadcast_page->id,
'name' => $broadcast_page->name
);
}
$data['account'] = (object) array(
'user' => $account->as_object()->user
);
}
return $data;
}
/**
* Filter to change the view for Facebook Pages
*
* @static
* @param string $file
* @param array $data
* @return string
*/
public static function social_view_set_file($file, $data) {
if (isset($data['service']) and
$data['service'] != false and
$data['service']->key() == 'facebook' and
(isset($data['data']) and isset($data['data']['page'])) or
(isset($data['account']) and !$data['account'] instanceof Social_Service_Account))
{
$file = 'wp-admin/post/meta/broadcast/parts/facebook/page';
}
return $file;
}
/**
* Sets the Social view data.
*
* @static
* @param array $data
* @param string $file
* @return array
*/
public static function social_view_data($data, $file) {
if ($file == 'wp-admin/post/meta/broadcast/parts/facebook/page') {
if (isset($data['data']) and isset($data['data']['page'])) {
$data['account'] = $data['data']['page'];
}
else if ($data['account'] instanceof Social_Service_Account) {
$data['account'] = (object) array(
'id' => $data['account']->id(),
'name' => $data['account']->username()
);
}
}
return $data;
}
/**
* Merges the personal pages into the universal account.
*
* @static
* @param object $universal
* @param object $personal
* @param string $service_key
* @return object
*/
public static function social_merge_accounts($universal, $personal, $service_key) {
// Merge pages
if ($service_key == 'facebook') {
$universal->pages->personal = $personal->pages->personal;
$universal->use_personal_pages = $personal->use_personal_pages;
}
return $universal;
}
/**
* Adds messaging to the title.
*
* @static
* @param string $title
* @param string $key
* @return string
*/
public static function social_item_output_title($title, $key) {
if ($key == 'facebook') {
$title = sprintf(__('%s liked this', 'social'), $title);
}
return $title;
}
/**
* Output the link to be sent to Facebook.
*
* @static
* @param object $post
* @param object $service
* @param object $account
* @return void
*/
public static function social_broadcast_form_item_content($post, $service, $account) {
if ($service->key() != 'facebook' || get_post_format($post) == 'status') {
return;
}
remove_filter('social_view_set_file', array('Social_Facebook', 'social_view_set_file'), 10, 2);
echo Social_View::factory(
'wp-admin/post/broadcast/facebook-link-preview',
compact('post', 'service', 'account')
)->render();
add_filter('social_view_set_file', array('Social_Facebook', 'social_view_set_file'), 10, 2);
}
/**
* Don't output URL in format since we're sending a link as well.
*
* @static
* @param string $format
* @param object $post
* @param object $service
* @return string
*/
public static function social_broadcast_format($format, $post, $service) {
if ($service->key() == 'facebook' && get_post_format($post) != 'status') {
$format = trim(str_replace('{url}', '', $format));
}
return $format;
}
} // End Social_Facebook
define('SOCIAL_FACEBOOK_FILE', __FILE__);
// Actions
add_action('social_settings_save', array('Social_Facebook', 'social_settings_save'));
add_action('social_broadcast_form_item_content', array('Social_Facebook', 'social_broadcast_form_item_content'), 10, 3);
// Filters
add_filter('social_register_service', array('Social_Facebook', 'register_service'));
add_filter('social_authorize_url', array('Social_Facebook', 'social_authorize_url'), 10, 2);
add_filter('get_avatar', array('Social_Facebook', 'get_avatar'), 10, 5);
add_filter('get_avatar_comment_types', array('Social_Facebook', 'get_avatar_comment_types'));
add_filter('social_comments_array', array('Social_Facebook', 'comments_array'), 10, 2);
add_filter('social_comments_array_groups', array('Social_Facebook', 'comments_array_groups'), 10, 2);
add_filter('social_service_button', array('Social_Facebook', 'social_service_button'), 10, 3);
add_filter('social_proxy_url', array('Social_Facebook', 'social_proxy_url'));
add_filter('social_get_broadcast_account', array('Social_Facebook', 'social_get_broadcast_account'), 10, 3);
add_filter('social_save_broadcasted_ids_data', array('Social_Facebook', 'social_save_broadcasted_ids_data'), 10, 5);
add_filter('social_view_set_file', array('Social_Facebook', 'social_view_set_file'), 10, 2);
add_filter('social_view_data', array('Social_Facebook', 'social_view_data'), 10, 2);
add_filter('social_merge_accounts', array('Social_Facebook', 'social_merge_accounts'), 10, 3);
add_filter('social_item_output_title', array('Social_Facebook', 'social_item_output_title'), 10, 2);
add_filter('social_broadcast_format', array('Social_Facebook', 'social_broadcast_format'), 11, 3);
}