/**
* Based on the
* user_avatar_core_fetch_avatar_filter() 1.2.5 BP
*
* Description: Attempts to filter get_avatar function and let Word/BuddyPress have a go at
* finding an avatar that may have been uploaded locally.
*
* @global array $authordata
* @param string $avatar The result of get_avatar from before-filter
* @param int|string|object $user A user ID, email address, or comment object
* @param int $size Size of the avatar image (thumb/full)
* @param string $default URL to a default image to use if no avatar is available
* @param string $alt Alternate text to use in image tag. Defaults to blank
* @return <type>
*/
function user_avatar_fetch_avatar_filter($avatar, $user, $size, $default, $alt)
{
global $pagenow;
//If user is on discussion page, return $avatar
if ($pagenow == "options-discussion.php") {
return $avatar;
}
// If passed an object, assume $user->user_id
if (is_object($user)) {
$id = $user->user_id;
} else {
if (is_numeric($user)) {
$id = $user;
} else {
if (is_string($user) && ($user_by_email = get_user_by_email($user))) {
$id = $user_by_email->ID;
}
}
}
// If somehow $id hasn't been assigned, return the result of get_avatar
if (empty($id)) {
return !empty($avatar) ? $avatar : $default;
}
// Let us handle the fetching of the avatar
$user_avatar = user_avatar_fetch_avatar(array('item_id' => $id, 'width' => $size, 'height' => $size, 'alt' => $alt));
// If we found an avatar, use it. If not, use the result of get_avatar
$avatar_folder_dir = USER_AVATAR_UPLOAD_PATH . "{$id}/";
if (file_exists($avatar_folder_dir)) {
return $user_avatar;
} else {
if (!file_exists($avatar_folder_dir)) {
return $avatar;
}
}
}
/**
* user_avatar_get_avatar function.
*
* @access public
* @param mixed $id
* @param mixed $width
* @return void
*/
function user_avatar_get_avatar($id, $width)
{
if (!get_option('show_avatars')) {
if (user_avatar_avatar_exists($id)) {
$user_avatar = user_avatar_fetch_avatar(array('item_id' => $id, 'width' => $width, 'height' => $width, 'alt' => ''));
if ($user_avatar) {
return $user_avatar;
} else {
return '<img src="' . USER_AVATAR_DEFAULT . '" width="' . $width . '" height="' . $width . '" class="avatar" />';
}
} else {
return '<img src="' . USER_AVATAR_DEFAULT . '" width="' . $width . '" height="' . $width . '" class="avatar" />';
}
} else {
return get_avatar($id, $width);
}
}