package Ġcom . o . covid 1 9 vol unteer app . view model Ċ Ċ import Ġandroid . app . Activity Ċ import Ġandroidx . lifecycle . Mutable LiveData Ċ import Ġandroidx . lifecycle . ViewModel Ċ import Ġcom . google . firebase . auth . Firebase User Ċ import Ġcom . google . firebase . auth . Phone Auth Provider Ċ import Ġcom . o . covid 1 9 vol unteer app . model . Local ity Ċ import Ġcom . o . covid 1 9 vol unteer app . model . Request Ċ import Ġcom . o . covid 1 9 vol unteer app . model . Response Ċ import Ġcom . o . covid 1 9 vol unteer app . model . User Ċ import Ġcom . o . covid 1 9 vol unteer app . repository . Firebase Repository Ċ Ċ class ĠFirebase View model Ġ: ĠViewModel () Ġ{ ĊĠĠĠ Ġprivate Ġvar Ġfirebase Repository : ĠFirebase Repository ? Ġ= Ġnull ĊĊĠĠĠ Ġfun Ġinit () Ġ{ ĊĠĠĠĠĠĠĠ Ġfirebase Repository Ġ= ĠFirebase Repository . get Firebase Instance () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġsend Verification Code ( phoneNumber Ġ: ĠString , Ġactivity Ġ: ĠActivity , ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġcallbacks Ġ: ĠPhone Auth Provider . On Verification StateChanged Callbacks ) Ġ{ ĊĠĠĠĠĠĠĠ Ġfirebase Repository !!. send Verification Code ( phoneNumber , Ġactivity , Ġcallbacks ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġadd User ( user Ġ: ĠUser , Ġuid Ġ: ĠString ) Ġ{ ĊĠĠĠĠĠĠĠ Ġfirebase Repository !!. add User ( user , Ġuid ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġlogin User ( email Ġ: ĠString , Ġpassword Ġ: ĠString ) Ġ: ĠMutable LiveData < Firebase User > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. login User ( email , Ġpassword ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġget UserData ( uid Ġ: ĠString ) Ġ: ĠMutable LiveData < User >{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. getUser Data ( uid ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġlisten UserData Change ( uid Ġ: ĠString ) Ġ: ĠMutable LiveData < User > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. listen UserData Change ( uid ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġadd Request ( request : ĠRequest , Ġuid Ġ: ĠString ) Ġ: ĠMutable LiveData < Boolean > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. add Request ( request , Ġuid ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġget Requests By Location ( locality : ĠLoc ality ) Ġ: ĠMutable LiveData < List < Request >> Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. get Requests By Location ( locality ) ĊĠĠĠ Ġ} ĊĠĠĠ Ġfun Ġadd Response ( response : ĠResponse , Ġuid : ĠString , Ġrequest : ĠRequest ) Ġ: ĠMutable LiveData < Boolean > Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġfirebase Repository !!. add Response ( response , Ġuid , Ġrequest ) ĊĠĠĠ Ġ} Ċ }