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<?php |
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class Jetpack_Import_Stats { |
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static $known_importers = array( |
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'Blogger_Importer' => 'blogger', |
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'LJ_API_Import' => 'livejournal', |
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'MT_Import' => 'mt', |
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'RSS_Import' => 'rss', |
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'WP_Import' => 'wordpress', |
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); |
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static $action_event_name_map = array( |
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'import_start' => 'jetpack_import_start', |
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'import_done' => 'jetpack_import_done', |
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'import_end' => 'jetpack_import_done', |
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); |
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public static function init() { |
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// Only handle import actions for sites that have agreed to TOS |
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if ( Jetpack::jetpack_tos_agreed() ) { |
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add_action( 'import_start', array( 'Jetpack_Import_Stats', 'log_import_progress' ) ); |
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add_action( 'import_done', array( 'Jetpack_Import_Stats', 'log_import_progress' ) ); |
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add_action( 'import_end', array( 'Jetpack_Import_Stats', 'log_import_progress' ) ); |
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} |
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} |
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private static function get_calling_class() { |
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$action = current_filter(); |
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$backtrace = wp_debug_backtrace_summary( null, 0, false ); |
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$do_action_pos = -1; |
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for ( $i = 0; $i < count( $backtrace ); $i++ ) { |
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// Find the location in the stack of the calling action |
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if ( preg_match( "/^do_action\\(\'([^\']+)/", $backtrace[ $i ], $matches ) ) { |
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if ( $matches[1] === $action ) { |
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$do_action_pos = $i; |
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break; |
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} |
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} |
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} |
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// if the action wasn't called, the calling class is unknown |
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if ( -1 === $do_action_pos ) { |
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return 'unknown'; |
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} |
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// The calling class is next in the stack, after $do_action_pos |
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list( $className ) = explode( '->', $backtrace[ $do_action_pos + 1 ] ); |
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return $className; |
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} |
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public static function log_import_progress( $importer ) { |
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// prefer self-reported importer-names |
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if ( ! $importer ) { |
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// fall back to inferring by calling class name |
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$importer = self::get_calling_class(); |
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} |
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// Give known importers a "friendly" name |
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if ( isset( self::$known_importers[ $importer ] ) ) { |
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$importer = self::$known_importers[ $importer ]; |
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} |
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$action = current_filter(); |
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// map action to event name |
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$event_name = self::$action_event_name_map[ $action ]; |
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$current_user = wp_get_current_user(); |
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// Record event to Tracks |
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jetpack_tracks_record_event( $current_user, $event_name, array( |
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'importer' => $importer, |
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) ); |
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} |
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} |
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76
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add_action( 'init', array( 'Jetpack_Import_Stats', 'init' ) ); |
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Automattic /
jetpack
If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: