package Ġcom . tr if ork . tim android . authenticated Ċ Ċ import Ġandroid . content . Context Ċ import Ġandroidx . lifecycle . ViewModel Ċ import Ġandroidx . lifecycle . viewModel Scope Ċ import Ġcom . tr if ork . tim android . TIM Ċ import Ġcom . tr if ork . tim android . bio metric . TI MA uth entication Status Ċ import Ġcom . tr if ork . tim android . bio metric . status Ċ import Ġcom . tr if ork . tim android . util . Authenticated Users Ċ import Ġdagger . h ilt . android . lifecycle . H ilt ViewModel Ċ import Ġkotlinx . coroutines . channels . Channel Ċ import Ġkotlinx . coroutines . flow . Mutable State Flow Ċ import Ġkotlinx . coroutines . flow . receive As Flow Ċ import Ġkotlinx . coroutines . launch Ċ import Ġjavax . inject . Inject Ċ Ċ @ H ilt ViewModel Ċ class ĠAuth enticated ViewModel Ġ@ Inject Ġconstructor ( val Ġauthenticated Users : ĠAuth enticated Users ) Ġ: ĠViewModel () Ġ{ ĊĊĠĠĠ Ġsealed Ġclass ĠEvent Ġ{ ĊĠĠĠĠĠĠĠ Ġobject ĠNavigate To Welcome Ġ: ĠEvent () ĊĠĠĠĠĠĠĠ Ġclass ĠNavigate To Bio metric Settings ( val ĠuserId : ĠString ) Ġ: ĠEvent () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġprivate Ġval Ġevent Channel Ġ= ĠChannel < Event >( Channel . BUFFER ED ) ĊĠĠĠ Ġval Ġevents Flow Ġ= Ġevent Channel . receive As Flow () ĊĊĠĠĠ Ġprivate Ġval Ġ_ userId Ġ= ĠMutable State Flow ("") ĊĊĠĠĠ Ġfun Ġget UserId (): ĠString Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn Ġ_ userId . value ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġbio metric Authentication () Ġ= ĠTIM . storage . has Bio metric Access For RefreshToken (_ userId . value ) ĊĊĠĠĠ Ġfun Ġbio metric Available ( context : ĠContext ) Ġ= ĠTIM . has Bio metric Capability ( context ). status Ġ== ĠTI MA uth entication Status . BIO METRIC _ SUCCESS ĊĊĠĠĠ Ġfun Ġon UserId Change ( text : ĠString ) Ġ{ ĊĠĠĠĠĠĠĠ Ġ_ userId . value Ġ= Ġtext ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġlogout () Ġ= ĠviewModel Scope . launch Ġ{ ĊĠĠĠĠĠĠĠ ĠTIM . auth . logout () ĊĠĠĠĠĠĠĠ Ġevent Channel . send ( Event . Navigate To Welcome ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġdelete User () Ġ= ĠviewModel Scope . launch Ġ{ ĊĠĠĠĠĠĠĠ ĠTIM . storage . clear (_ userId . value ) ĊĠĠĠĠĠĠĠ Ġauthenticated Users . clear (_ userId . value ) ĊĠĠĠĠĠĠĠ Ġevent Channel . send ( Event . Navigate To Welcome ) ĊĠĠĠ Ġ} Ċ }