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<?php |
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/** |
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* Friends import |
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* |
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* This contains the import functions. |
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* |
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* @package Friends |
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*/ |
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|
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namespace Friends; |
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|
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/** |
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* This is the class for the import part of the Friends Plugin. |
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* |
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* @since 3.0 |
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* |
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* @package Friends |
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* @author Alex Kirk |
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*/ |
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class Import { |
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|
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private static function get_feed_from_opml_node( $friend ) { |
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$xml_url = (string) $friend['xmlUrl']; |
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if ( ! $xml_url ) { |
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return null; |
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} |
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|
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$username = (string) $friend['text']; |
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if ( ! $username ) { |
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$username = (string) $friend['title']; |
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} |
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if ( ! $username ) { |
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$username = (string) $friend['htmlUrl']; |
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$username = preg_replace( '/^https?:\/\//', '', $username ); |
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} |
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if ( ! $username ) { |
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$username = (string) $xml_url; |
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$username = preg_replace( '/^https?:\/\//', '', $username ); |
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} |
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|
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$user_login = User::sanitize_username( $username ); |
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$feed = User_Feed::get_by_url( $xml_url ); |
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if ( $feed instanceof User_Feed ) { |
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return $feed; |
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} |
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|
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$friend_user = User::get_by_username( $user_login ); |
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if ( ! $friend_user || is_wp_error( $friend_user ) ) { |
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$friend_user = Subscription::create( |
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$user_login, |
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'subscription', |
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(string) $friend['htmlUrl'], |
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(string) $friend['text'] |
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); |
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} |
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|
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if ( ! $friend_user instanceof User ) { |
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return null; |
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} |
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|
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$feed = $friend_user->save_feed( |
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$xml_url, |
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array( |
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'active' => true, |
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'mime-type' => 'atom' === (string) $friend['type'] ? 'application/atom+xml' : 'application/rss+xml', |
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) |
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); |
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|
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if ( ! $feed instanceof User_Feed ) { |
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if ( is_wp_error( $feed ) && apply_filters( 'friends_debug', false ) ) { |
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wp_trigger_error( __FUNCTION__, $feed->get_error_message() ); |
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|
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} |
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return null; |
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} |
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|
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return $feed; |
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} |
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|
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private static function recurse_into_opml( $feeds, $friend ) { |
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$xml_url = (string) $friend['xmlUrl']; |
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if ( $xml_url ) { |
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$feed = self::get_feed_from_opml_node( $friend ); |
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if ( $feed instanceof User_Feed ) { |
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$friend_user = $feed->get_friend_user(); |
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|
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if ( ! isset( $feeds[ $friend_user->user_login ] ) ) { |
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$feeds[ $friend_user->user_login ] = array(); |
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} |
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$feeds[ $friend_user->user_login ][] = $feed; |
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} |
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return $feeds; |
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} |
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|
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foreach ( $friend->outline as $child ) { |
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$feeds = self::recurse_into_opml( $feeds, $child ); |
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} |
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|
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return $feeds; |
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} |
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|
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public static function opml( $opml ) { |
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$opml = simplexml_load_string( $opml ); |
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if ( ! $opml ) { |
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return new \WP_Error( 'friends_import_opml_error', __( 'Failed to parse OPML.', 'friends' ) ); |
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} |
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|
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$feeds = self::recurse_into_opml( array(), $opml->body ); |
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|
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return $feeds; |
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} |
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} |
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|
