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Deduplicate QR success

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This commit is contained in:
Andrew 2024-03-01 19:56:29 +10:30
parent 9e270c7ac0
commit 673e53e4c7
1 changed files with 32 additions and 47 deletions
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79
app/src/main/java/org/thoughtcrime/securesms/onboarding/LinkDeviceViewModel.kt
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@ -1,6 +1,7 @@
package org.thoughtcrime.securesms.onboarding
import android.app.Application
import androidx.compose.runtime.snapshots.SnapshotApplyResult
import androidx.lifecycle.AndroidViewModel
import androidx.lifecycle.viewModelScope
import dagger.hilt.android.lifecycle.HiltViewModel
@ -8,7 +9,14 @@ import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.flow.consumeAsFlow
import kotlinx.coroutines.flow.distinctUntilChanged
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.receiveAsFlow
import kotlinx.coroutines.flow.takeWhile
import kotlinx.coroutines.flow.transformWhile
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import org.session.libsignal.crypto.MnemonicCodec
@ -25,62 +33,39 @@ class LinkDeviceViewModel @Inject constructor(
private val state = MutableStateFlow(LinkDeviceState())
val stateFlow = state.asStateFlow()
private val qrErrors = Channel<Throwable>()
private val event = Channel<LinkDeviceEvent>()
val eventFlow = event.receiveAsFlow()
fun onRecoveryPhrase() {
val mnemonic = state.value.recoveryPhrase
tryPhrase(mnemonic)
}
private val phrases = Channel<String>()
fun onQrPhrase(string: String) {
tryPhrase(string)
}
private fun tryPhrase(mnemonic: String) {
viewModelScope.launch(Dispatchers.IO) {
try {
MnemonicCodec { MnemonicUtilities.loadFileContents(getApplication(), it) }
.decode(mnemonic)
.let(Hex::fromStringCondensed)
.let(::LinkDeviceEvent)
.let { event.send(it) }
} catch (exception: Exception) {
state.update {
it.copy(
error = when (exception) {
is MnemonicCodec.DecodingError -> exception.description
else -> "An error occurred."
}
)
init {
viewModelScope.launch {
phrases.receiveAsFlow().map {
runCatching {
MnemonicCodec { MnemonicUtilities.loadFileContents(getApplication(), it) }
.decode(it)
.let(Hex::fromStringCondensed)
}
}
}.takeWhile {
it.getOrNull()?.let(::LinkDeviceEvent)?.let { event.send(it) }
it.exceptionOrNull()?.let { qrErrors.send(it) }
it.isFailure
}.collect()
}
}
// override fun handleQRCodeScanned(mnemonic: String) {
// try {
// val seed = Hex.fromStringCondensed(mnemonic)
// continueWithSeed(seed)
// } catch (e: Exception) {
// Log.e("Loki","Error getting seed from QR code", e)
// Toast.makeText(this, "An error occurred.", Toast.LENGTH_LONG).show()
// }
// }
fun onRecoveryPhrase() {
viewModelScope.launch {
phrases.send(state.value.recoveryPhrase)
}
}
// fun continueWithMnemonic(mnemonic: String) {
// val loadFileContents: (String) -> String = { fileName ->
// MnemonicUtilities.loadFileContents(this, fileName)
// }
// try {
// val hexEncodedSeed = MnemonicCodec(loadFileContents).decode(mnemonic)
// val seed = Hex.fromStringCondensed(hexEncodedSeed)
// continueWithSeed(seed)
// } catch (error: Exception) {
// val message = if (error is MnemonicCodec.DecodingError) {
// error.description
// } else {
// "An error occurred."
fun onQrPhrase(string: String) {
viewModelScope.launch {
phrases.send(string)
}
}
fun onChange(recoveryPhrase: String) {
state.value = LinkDeviceState(recoveryPhrase)