Use callback method instead of block for before_save in LineItem.
Use callback method instead of block for before_save in LineItem.

huerlisi/bookyt,silvermind/bookyt,gaapt/bookyt,xuewenfei/bookyt,silvermind/bookyt,silvermind/bookyt,gaapt/bookyt,huerlisi/bookyt,wtag/bookyt,xuewenfei/bookyt,huerlisi/bookyt,gaapt/bookyt,hauledev/bookyt,wtag/bookyt,gaapt/bookyt,hauledev/bookyt,silvermind/bookyt,hauledev/bookyt,hauledev/bookyt,wtag/bookyt,xuewenfei/bookyt