question: private void prepareUserForRanking ( User user ) { User updatedUser = userRepository . findOne ( user . getId ( ) , 0 ) ; if ( updatedUser . getImported ( ) == null || ! updatedUser . getImported ( ) ) { updatedUser . setImported ( true ) ; updatedUser . setPagerank ( null ) ; updatedUser . setLastPageRank ( null ) ; updatedUser . setCurrentRank ( null ) ; updatedUser . setPreviousRank ( null ) ; userRepository . save ( updatedUser , 0 ) ; } }
target:  Prepares a user to be ranked for the first time after having follower data imported, resetting the previous PageRanks and preparing for a new calculation and ranking.