package Ġcom . school . system . grading . service Ċ Ċ import Ġcom . school . system . grading . entity . FIELD _ MISSING Ċ import Ġcom . school . system . grading . entity . Response Ċ import Ġcom . school . system . grading . entity . subject . request . User Subject Ċ import Ġcom . school . system . grading . entity . subject . response . User Subject Response Ċ import Ġcom . school . system . grading . repository . User Subject Repository Ċ import Ġorg . springframework . http . Response Entity Ċ import Ġorg . springframework . stereotype . Service Ċ Ċ /** Ċ Ġ* Ġ@ project Ġgrad ing Ċ Ġ* Ġ@ author ĠMu ham mad ĠS aad Ċ Ġ* ĠDate : Ġ 6 / 8 / 2 1 Ċ Ġ**/ Ċ @ Service Ċ class ĠUser Subject Service ( ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġuser Subject Repository : ĠUser Subject Repository Ċ ) Ġ{ ĊĊĠĠĠ Ġsuspend Ġfun ĠgetAll Subject s () Ġ= Ġuser Subject Repository . getAll Subject s () ĊĊĠĠĠ Ġsuspend Ġfun Ġget One Subject ( id : ĠInt ) Ġ= Ġuser Subject Repository . getOne Subject ( id ) ĊĊĠĠĠ Ġsuspend Ġfun Ġcreate Subject ( user Subject : ĠUser Subject ): ĠResponseEntity < Response < User Subject Response >> Ġ{ ĊĠĠĠĠĠĠĠ Ġif ( user Subject . subject Name . isEmpty ()) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġreturn ĠResponseEntity . ok ( Response ( ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġstatus Ġ= ĠFIELD _ MISSING , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġmessage Ġ= Ġ" Fields Ġare Ġmissing ") ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġreturn Ġuser Subject Repository . create Subject ( user Subject ) ĊĠĠĠ Ġ} Ċ }