package Ġcom . hub el ias . park ing meter . application Ċ Ċ import Ġcom . hub el ias . park ing meter . domain . driver . Driver Id Ċ import Ġcom . hub el ias . park ing meter . domain . driver . Driver Provider Ċ import Ġcom . hub el ias . park ing meter . domain . driver . Unknown Driver Exception Ċ import Ġcom . hub el ias . park ing meter . domain . occup ation .* Ċ import Ġcom . hub el ias . park ing meter . domain . receipt . Par king Fee Calculator Ċ import Ġcom . hub el ias . park ing meter . domain . receipt . Par king Receipt Ċ import Ġcom . hub el ias . park ing meter . domain . receipt . Par king Receipt Repository Ċ import Ġorg . springframework . stereotype . Service Ċ import Ġjava . time . LocalDate ĊĊ Ċ @ Service Ċ class ĠPark ing Meter Facade ( ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġdriver Provider : ĠDriver Provider , ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġpar king Occup ation Repository : ĠPark ing Occup ation Repository , ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġpar king Receipt Repository : ĠPark ing Receipt Repository , ĊĠĠĠĠĠĠĠ Ġprivate Ġval ĠdateTime Provider : ĠDateTime Provider , ĊĠĠĠĠĠĠĠ Ġprivate Ġval Ġpar king Fee Calculator : ĠPark ing Fee Calculator Ċ ) Ġ{ ĊĠĠĠ Ġfun Ġis Par king Registered ( vehicle Id : ĠString ): ĠBoolean Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġpar king Occup ation Repository . findOne ( Vehicle Id ( vehicle Id )) Ġ!= Ġnull ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Throws ( Unknown Driver Exception :: class , ĠPark ing Already Started Exception :: class ) ĊĠĠĠ Ġfun Ġstart Par king ( username : ĠString , Ġvehicle Id : ĠString ) Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġdriver Ġ= Ġdriver Provider . get Driver ( Driver Id ( username )) ĊĠĠĠĠĠĠĠ Ġval Ġticket Ġ= ĠPark ing Occup ation . start ( driver , ĠVehicle Id ( vehicle Id ), ĠdateTime Provider ) ĊĊĠĠĠĠĠĠĠ Ġpar king Occup ation Repository . add ( ticket ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Throws ( IllegalArgumentException :: class ) ĊĠĠĠ Ġfun Ġend Par king ( vehicle Id : ĠString ) Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġpar king Occup ation Ġ= Ġpar king Occup ation Repository . findOne ( Vehicle Id ( vehicle Id )) ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġ?: Ġthrow ĠIllegalArgumentException (" Par king Ġhas Ġnot Ġbeen Ġstarted Ġfor Ġvehicle Ġ$ vehicle Id ") ĊĊĠĠĠĠĠĠĠ Ġval Ġpar king Receipt Ġ= Ġpar king Occup ation . end ( park ing Fee Calculator , ĠdateTime Provider ) ĊĊĠĠĠĠĠĠĠ Ġpar king Occup ation Repository . remove ( park ing Occup ation ) ĊĠĠĠĠĠĠĠ Ġpar king Receipt Repository . add ( park ing Receipt ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġfind Driver Receipt s ( username : ĠString ) Ġ= ĊĠĠĠĠĠĠĠĠĠĠĠ Ġpar king Receipt Repository . findBy Driver ( Driver Id ( username )). map ( Par king Receipt :: dto ) ĊĊĠĠĠ Ġfun Ġget Daily E arning s ( day OfYear : ĠLocalDate ) Ġ= Ġpar king Receipt Repository . calculate Daily E arning s ( day OfYear ). dto () Ċ } Ċ