package Ġcom . solution . pro de . service Ċ Ċ import Ġcom . solution . pro de . constants . ErrorCode s . COMP ET ITION _ AL READY _ EXISTS Ċ import Ġcom . solution . pro de . exception . BadRequest Exception Ċ import Ġcom . solution . pro de . exception . Resource NotFoundException Ċ import Ġcom . solution . pro de . model . Comp etition Ċ import Ġcom . solution . pro de . repository . Comp etition Repository Ċ import Ġcom . solution . pro de . util . Message Translator Ċ import Ġorg . springframework . beans . factory . annotation . Autowired Ċ import Ġorg . springframework . stereotype . Service Ċ Ċ @ Service Ċ class ĠComp etition Service Ġ{ ĊĊĠĠĠ Ġ@ Autowired ĊĠĠĠ Ġprivate Ġlateinit Ġvar Ġcompetition Repository : ĠComp etition Repository ĊĊĠĠĠ Ġ@ Autowired ĊĠĠĠ Ġprivate Ġlateinit Ġvar Ġmessage Translator : ĠMessage Translator ĊĊĠĠĠ Ġfun ĠfindAll (): ĠList < Comp etition > Ġ= Ġcompetition Repository . findAll By Order ById Asc (). toList () ĊĊĠĠĠ Ġfun Ġfind ById ( id : ĠLong ): ĠComp etition Ġ= Ġvalidate Comp etition Exists ( id ) ĊĊĠĠĠ Ġfun Ġsave ( new Comp etition : ĠComp etition ): ĠComp etition Ġ{ ĊĊĠĠĠĠĠĠĠ Ġvalidate Comp etition Not Exists ( new Comp etition ) ĊĊĠĠĠĠĠĠĠ Ġreturn Ġcompetition Repository . save ( new Comp etition ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġupdate ( id : ĠLong , Ġupdated Comp et iton : ĠComp etition ): ĠComp etition Ġ{ ĊĊĠĠĠĠĠĠĠ Ġval Ġcompetition Ġ= Ġvalidate Comp etition Exists ( id ) ĊĊĠĠĠĠĠĠĠ Ġupdated Comp et iton . id Ġ= Ġcompetition . id ĊĊĠĠĠĠĠĠĠ Ġcompetition Repository . save ( updated Comp et iton ) ĊĊĠĠĠĠĠĠĠ Ġreturn Ġupdated Comp et iton ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġdelete ( id : ĠLong ) Ġ{ ĊĊĠĠĠĠĠĠĠ Ġval Ġcompetition Ġ= Ġvalidate Comp etition Exists ( id ) ĊĊĠĠĠĠĠĠĠ Ġcompetition Repository . delete ( comp etition ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġvalidate Comp etition Exists ( id : ĠLong ): ĠComp etition Ġ= ĊĠĠĠĠĠĠĠ Ġcompetition Repository . findById ( id ). orElse ( null ) Ġ?: Ġthrow ĠResource NotFoundException ( Comp etition . ENTITY _ NAME , ĠComp etition . ID , Ġid ) ĊĊĠĠĠ Ġfun Ġvalidate Comp etition Not Exists ( new Comp etition : ĠComp etition ) Ġ{ ĊĊĠĠĠĠĠĠĠ Ġval Ġcompetition Ġ= Ġcompetition Repository . find ByName ( new Comp etition . name ) ĊĊĠĠĠĠĠĠĠ Ġcompetition ?. let Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġthrow ĠBadRequest Exception ( message Translator . getMessage ( ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ ĠCOMP ET ITION _ AL READY _ EXISTS , ĠarrayOf ( new Comp etition . name ) ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ)) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} Ċ } Ċ