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package mx.trackermap.TrackerMap.android.session
import android.util.Log
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.SavedStateHandle
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.zhuinden.eventemitter.EventEmitter
import com.zhuinden.eventemitter.EventSource
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.apis.SessionApi
class LoginViewModel(
private val sessionApi: SessionApi,
savedStateHandle: SavedStateHandle
) : ViewModel() {
sealed class LoginState {
object Loading: LoginState()
object EmailMissing : LoginState()
object PasswordMissing : LoginState()
object Failure : LoginState()
object Success : LoginState()
}
val email: MutableLiveData<String> = savedStateHandle.getLiveData("user", "")
val password: MutableLiveData<String> = savedStateHandle.getLiveData("password", "")
private val loginStateEmitter = EventEmitter<LoginState>()
val loginState: EventSource<LoginState> = loginStateEmitter
fun restoreSession() {
loginStateEmitter.emit(LoginState.Loading);
viewModelScope.launch {
try {
val user = sessionApi.sessionGet()
Log.d("LoginViewModel", user.toString())
loginStateEmitter.emit(LoginState.Success)
} catch (e: Exception) {
Log.d("LoginViewModel", "No session")
}
}
}
fun login() {
val email = email.value!!.toString().trim()
val password = password.value!!.toString().trim()
if (email.isEmpty()) {
loginStateEmitter.emit(LoginState.EmailMissing)
return
}
if (password.isEmpty()) {
loginStateEmitter.emit(LoginState.PasswordMissing)
return
}
loginStateEmitter.emit(LoginState.Loading)
viewModelScope.launch {
try {
val user = sessionApi.sessionPost(email, password)
Log.d("LoginViewModel", user.toString())
loginStateEmitter.emit(LoginState.Success)
} catch (e: Exception) {
loginStateEmitter.emit(LoginState.Failure)
}
}
}
}
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