revert to single viewmodel

This commit is contained in:
2026-06-30 16:46:02 +07:00
parent cd5a393a01
commit c3ef341f5d
21 changed files with 1048 additions and 1106 deletions

View File

@@ -0,0 +1,920 @@
package su.reya.coop
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.ViewModel
import androidx.lifecycle.repeatOnLifecycle
import androidx.lifecycle.viewModelScope
import io.ktor.client.HttpClient
import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
import io.ktor.serialization.kotlinx.json.json
import kotlinx.coroutines.NonCancellable
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asSharedFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.receiveAsFlow
import kotlinx.coroutines.flow.stateIn
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import kotlinx.coroutines.withTimeoutOrNull
import kotlinx.serialization.json.Json
import rust.nostr.sdk.AsyncNostrSigner
import rust.nostr.sdk.EventBuilder
import rust.nostr.sdk.EventId
import rust.nostr.sdk.Keys
import rust.nostr.sdk.Kind
import rust.nostr.sdk.KindStandard
import rust.nostr.sdk.Metadata
import rust.nostr.sdk.NostrConnect
import rust.nostr.sdk.NostrConnectUri
import rust.nostr.sdk.PublicKey
import rust.nostr.sdk.RelayMetadata
import rust.nostr.sdk.RelayUrl
import rust.nostr.sdk.Tag
import rust.nostr.sdk.Timestamp
import rust.nostr.sdk.UnsignedEvent
import su.reya.coop.blossom.BlossomClient
import su.reya.coop.nostr.ExternalSignerHandler
import su.reya.coop.nostr.ExternalSignerProxy
import su.reya.coop.nostr.Nostr
import su.reya.coop.nostr.Room
import su.reya.coop.nostr.SignerPermissions
import su.reya.coop.nostr.roomId
import su.reya.coop.storage.SecretStorage
import kotlin.time.Clock
import kotlin.time.Duration.Companion.milliseconds
import kotlin.time.Duration.Companion.seconds
class NostrViewModel(
val nostr: Nostr,
private val secretStore: SecretStorage,
private val externalSignerHandler: ExternalSignerHandler? = null,
) : ViewModel() {
private val _isNotificationBannerDismissed = MutableStateFlow(false)
val isNotificationBannerDismissed = _isNotificationBannerDismissed.asStateFlow()
private val _signerRequired = MutableStateFlow<Boolean?>(null)
val signerRequired = _signerRequired.asStateFlow()
private val _isBusy = MutableStateFlow(false)
val isBusy = _isBusy.asStateFlow()
private val _isPartialProcessedGiftWrap = MutableStateFlow(false)
val isPartialProcessedGiftWrap = _isPartialProcessedGiftWrap.asStateFlow()
private val _isRelayListEmpty = MutableStateFlow(false)
val isRelayListEmpty = _isRelayListEmpty.asStateFlow()
private val _chatRooms = MutableStateFlow<Set<Room>>(emptySet())
val chatRooms = _chatRooms.asStateFlow()
private val _contactList = MutableStateFlow<Set<PublicKey>>(emptySet())
val contactList = _contactList.asStateFlow()
private val _newEvents = MutableSharedFlow<UnsignedEvent>(extraBufferCapacity = 100)
val newEvents = _newEvents.asSharedFlow()
private val _sentReports = MutableSharedFlow<Map<EventId, List<RelayUrl>>>()
val sentReport = _sentReports.asSharedFlow()
private val _errorEvents = Channel<String>(Channel.BUFFERED)
val errorEvents = _errorEvents.receiveAsFlow()
private val _metadataStore = mutableMapOf<PublicKey, MutableStateFlow<Metadata?>>()
private val metadataRequestChannel = Channel<PublicKey>(Channel.UNLIMITED)
private val seenPublicKeys = mutableSetOf<PublicKey>()
val isSyncing = nostr.messages.messageSyncState.map { it.isSyncing }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
init {
// Skip the splash screen if a user is already logged in
if (nostr.signer.currentUser != null) {
_signerRequired.value = false
}
// Check if the notification banner has been dismissed
checkNotificationBannerDismissedStatus()
// Check local stored secret (secret key or bunker)
login()
// Automatically reconnect bootstrap relays
reconnect()
// Observe the signer state and verify the relay list
observeSignerAndCheckRelays()
// Get all local stored metadata
getCacheMetadata()
}
fun bindLifecycle(lifecycle: Lifecycle) {
viewModelScope.launch {
lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
coroutineScope {
launch { runObserver() }
launch { runMetadataBatching() }
}
}
}
}
override fun onCleared() {
super.onCleared()
// Disconnect to all bootstrap relays
viewModelScope.launch {
withContext(NonCancellable) {
nostr.disconnect()
}
}
}
private fun showError(message: String) {
viewModelScope.launch {
_errorEvents.send(message)
}
}
private fun checkNotificationBannerDismissedStatus() {
viewModelScope.launch {
_isNotificationBannerDismissed.value =
secretStore.get("notification_banner_dismissed") == "true"
}
}
private fun reconnect() {
viewModelScope.launch {
nostr.waitUntilInitialized()
nostr.reconnect()
}
}
private suspend fun runObserver() = coroutineScope {
// Observe message sync progress
launch {
nostr.messages.messageSyncState.collect { state ->
// When at least some messages are processed, allow UI to show the list
if (state.processedCount > 0) {
_isPartialProcessedGiftWrap.value = true
}
// Refresh UI every 10 messages OR when sync is fully done
if (state.processedCount % 10 == 0 || !state.isSyncing) {
refreshChatRooms()
}
}
}
// Observe new messages
launch {
nostr.newEvents.collect { event ->
val roomId = event.roomId()
val existingRoom = _chatRooms.value.firstOrNull { it.id == roomId }
if (existingRoom == null) {
val currentUser = nostr.signer.currentUser
if (currentUser != null) {
val newRoom = Room.new(event, currentUser)
_chatRooms.update { (it + newRoom).sortedDescending().toSet() }
}
} else {
updateRoomList(roomId, event)
}
_newEvents.emit(event)
}
}
// Observe contact list updates
launch {
nostr.profiles.contactListUpdates.collect { contacts ->
_contactList.value = contacts.toSet()
}
}
// Observe metadata updates
launch {
nostr.profiles.metadataUpdates.collect { (pubkey, metadata) ->
updateMetadata(pubkey, metadata)
}
}
}
private suspend fun runMetadataBatching() = coroutineScope {
// Wait until the client is ready
nostr.waitUntilInitialized()
val batch = mutableSetOf<PublicKey>()
val timeout = 500L // 500ms timeout for batching
while (true) {
// Get the first pubkey
val firstKey = metadataRequestChannel.receive()
batch.add(firstKey)
// Get current time
val lastFlushTime = Clock.System.now().toEpochMilliseconds()
while (batch.isNotEmpty()) {
// Get the next pubkey
val nextKey = withTimeoutOrNull(timeout.milliseconds) {
metadataRequestChannel.receive()
}
// Only add the pubkey if it's not null
if (nextKey != null) batch.add(nextKey)
// Get current time
val now = Clock.System.now().toEpochMilliseconds()
// Check if the batch is full or timeout has passed
if (batch.size >= 10 || (now - lastFlushTime) >= timeout || nextKey == null) {
val keysToRequest = batch.toList()
batch.clear()
nostr.profiles.fetchMetadataBatch(keysToRequest)
}
}
}
}
private fun getCacheMetadata() {
viewModelScope.launch {
// Wait until the client is ready
nostr.waitUntilInitialized()
val results = nostr.profiles.getAllCacheMetadata()
results.forEach { (pubkey, metadata) ->
// Update the metadata state
updateMetadata(pubkey, metadata)
// Update seenPublicKeys to avoid duplicate requests
seenPublicKeys.add(pubkey)
}
}
}
private fun login() {
viewModelScope.launch {
try {
val secret = withTimeoutOrNull(3.seconds) {
secretStore.get("user_signer")
}
if (secret == null) {
_signerRequired.value = true
return@launch
}
runCatching {
val signer = createSigner(secret)
nostr.setSigner(signer)
}.onSuccess {
_signerRequired.value = false
}.onFailure { e ->
showError("Login failed: ${e.message}")
_signerRequired.value = true
}
} catch (e: Exception) {
showError("Login failed: ${e.message}")
_signerRequired.value = true
}
}
}
private fun observeSignerAndCheckRelays() {
viewModelScope.launch {
while (true) {
val pubkey = nostr.signer.currentUser
if (pubkey != null) {
// Get chat rooms
val rooms = nostr.messages.getChatRooms() ?: emptySet()
if (rooms.isNotEmpty()) {
mergeChatRooms(rooms)
_isPartialProcessedGiftWrap.value = true
}
// Get all metadata for the current user
nostr.profiles.getUserMetadata()
// Small delay to ensure all relays are connected
delay(2.seconds)
// Check if the relay list is empty
val relays = nostr.relays.getMsgRelays(pubkey)
if (relays.isEmpty()) _isRelayListEmpty.value = true
break
}
delay(500.milliseconds)
}
}
}
private fun requestMetadata(pubkey: PublicKey) {
if (seenPublicKeys.add(pubkey)) {
viewModelScope.launch {
metadataRequestChannel.send(pubkey)
}
}
}
private fun updateMetadata(pubkey: PublicKey, metadata: Metadata) {
_metadataStore.getOrPut(pubkey) { MutableStateFlow(null) }.value = metadata
}
fun getMetadata(pubkey: PublicKey): StateFlow<Metadata?> {
val flow = _metadataStore.getOrPut(pubkey) { MutableStateFlow(null) }
if (flow.value == null) {
requestMetadata(pubkey)
}
return flow.asStateFlow()
}
fun currentUser(): PublicKey? {
return nostr.signer.currentUser
}
fun logout() {
viewModelScope.launch {
try {
_isBusy.value = true
// Reset the nostr signer and prune the database
nostr.signer.switch(Keys.generate())
nostr.prune()
} catch (e: Exception) {
showError("Logout encountered an error: ${e.message}")
} finally {
// Clear credentials from persistent storage
secretStore.clear("user_signer")
secretStore.clear("notification_banner_dismissed")
// Reset all UI states
resetInternalState()
_isBusy.value = false
_signerRequired.value = true
}
}
}
private fun resetInternalState() {
_chatRooms.value = emptySet()
_contactList.value = emptySet()
_isPartialProcessedGiftWrap.value = false
_isRelayListEmpty.value = false
_isNotificationBannerDismissed.value = false
}
fun dismissNotificationBanner() {
viewModelScope.launch {
secretStore.set("notification_banner_dismissed", "true")
_isNotificationBannerDismissed.value = true
}
}
fun dismissRelayWarning() {
_isRelayListEmpty.value = false
}
private suspend fun getOrInitAppKeys(): Keys {
val secret = secretStore.get("app_keys")
// If app keys are already stored, use them
if (secret != null) {
return Keys.parse(secret)
}
// Generate new app keys and save to the secret storage
val keys = Keys.generate()
secretStore.set("app_keys", keys.secretKey().toBech32())
return keys
}
suspend fun blossomUpload(file: ByteArray, contentType: String? = "image/jpeg"): String? {
try {
// Upload picture to Blossom
val blossom = BlossomClient(
url = "https://blossom.band",
client = HttpClient {
install(ContentNegotiation) {
json(Json {
ignoreUnknownKeys = true
prettyPrint = true
isLenient = true
})
}
}
)
val descriptor = blossom.upload(
file = file,
contentType = contentType,
signer = nostr.signer.get()
)
return descriptor?.url
} catch (e: Exception) {
showError("Error: ${e.message}")
return null
}
}
suspend fun updateProfile(
name: String? = null,
bio: String? = null,
picture: ByteArray? = null,
contentType: String? = null
) {
_isBusy.value = true
try {
val avatarUrl = picture?.let { blossomUpload(it, contentType ?: "image/jpeg") }
val newMetadata = nostr.profiles.updateProfile(name, bio, avatarUrl)
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
// Update the metadata state after successfully published
updateMetadata(currentUser, newMetadata)
// Update local state
_isBusy.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun createIdentity(
name: String,
bio: String?,
picture: ByteArray?,
contentType: String? = null
) {
_isBusy.value = true
val keys = Keys.generate()
val secret = keys.secretKey().toBech32()
try {
val avatarUrl = picture?.let { blossomUpload(it, contentType ?: "image/jpeg") }
// Create identity
nostr.profiles.createIdentity(keys = keys, name = name, bio, picture = avatarUrl)
// Persist the secret in the secret storage
secretStore.set("user_signer", secret)
// Update local states
_isBusy.value = false
_signerRequired.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
private suspend fun createSigner(secret: String): AsyncNostrSigner {
return when {
secret.startsWith("nsec1") -> Keys.parse(secret)
secret.startsWith("bunker://") -> {
val appKeys = getOrInitAppKeys()
val bunker = NostrConnectUri.parse(secret)
val timeout = 50.seconds // or Duration.parse("50s")
NostrConnect(uri = bunker, appKeys, timeout, null)
}
secret.startsWith("nip55://") -> {
val handler = externalSignerHandler
?: throw IllegalStateException("External signer not available on this platform")
// Format: nip55://packageName/hexPubkey
val parts = secret.removePrefix("nip55://").split("/", limit = 2)
val packageName = parts[0]
val pubkey = PublicKey.parse(parts[1])
handler.setPackageName(packageName)
ExternalSignerProxy(handler, pubkey)
}
else -> throw IllegalArgumentException("Invalid secret format")
}
}
suspend fun verifyIdentity(secret: String): PublicKey? {
try {
val signer = createSigner(secret)
if (secret.startsWith("bunker://")) {
showError("Please approve the connection.")
}
return signer.getPublicKeyAsync()
} catch (e: Exception) {
showError("Error: ${e.message}")
return null
}
}
suspend fun importIdentity(secret: String) {
_isBusy.value = true
try {
val signer = createSigner(secret)
// Update signer
nostr.setSigner(signer)
// Persist the secret in the secret storage
secretStore.set("user_signer", secret)
// Update local states
_signerRequired.value = false
_isBusy.value = false
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun connectExternalSigner() {
val handler = externalSignerHandler ?: throw IllegalStateException("Signer not available")
_isBusy.value = true
try {
val permissions = SignerPermissions.toJson(
listOf(
SignerPermissions.signEvent(0),
SignerPermissions.signEvent(3),
SignerPermissions.signEvent(10000),
SignerPermissions.signEvent(10050),
SignerPermissions.signEvent(10063),
SignerPermissions.signEvent(22242),
SignerPermissions.signEvent(30030),
SignerPermissions.signEvent(30315),
SignerPermissions.nip44Encrypt(),
SignerPermissions.nip44Decrypt(),
)
)
val result = handler.getPublicKey(permissions) ?: throw Exception("Rejected")
val signer = ExternalSignerProxy(handler, result.pubkey)
// Update signer
nostr.setSigner(signer)
// Store the signer in the secret storage
secretStore.set("user_signer", "nip55://${result.packageName}/${result.pubkey.toHex()}")
// Update local states
_signerRequired.value = false
_isBusy.value = false
} catch (e: Exception) {
throw Exception("Notice: ${e.message}")
}
}
fun isExternalSignerAvailable(): Boolean {
return externalSignerHandler?.isAvailable() == true
}
suspend fun refetchMsgRelays(pubkey: PublicKey) {
val relays = nostr.relays.fetchMsgRelays(pubkey)
if (relays.isNotEmpty()) dismissRelayWarning()
}
suspend fun useDefaultMsgRelayList() {
try {
val defaultRelays = nostr.relays.getDefaultMsgRelayList()
nostr.relays.setMsgRelays(defaultRelays)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun currentUserRelayList(): Map<RelayUrl, RelayMetadata?> {
try {
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
return nostr.relays.getRelayList(currentUser)
} catch (e: Exception) {
showError("Error: ${e.message}")
return emptyMap()
}
}
suspend fun addInboxRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays[relayUrl] = RelayMetadata.WRITE
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun addOutboxRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays[relayUrl] = RelayMetadata.READ
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun removeRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays.remove(relayUrl)
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun currentUserMsgRelayList(): List<RelayUrl> {
try {
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
return nostr.relays.getMsgRelays(currentUser)
} catch (e: Exception) {
showError("Error: ${e.message}")
return emptyList()
}
}
suspend fun addMsgRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserMsgRelayList().toMutableSet()
relays.add(relayUrl)
nostr.relays.setMsgRelays(relays.toList())
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun removeMsgRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserMsgRelayList().toMutableSet()
relays.remove(relayUrl)
nostr.relays.setMsgRelays(relays.toList())
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
private suspend fun newContact(publicKey: PublicKey) {
if (publicKey in contactList.value) return
try {
val updated = contactList.value + publicKey
// Publish new event
nostr.profiles.setContactList(updated.toList())
// Optimistic local update
_contactList.update { it + publicKey }
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun addContact(address: String): Boolean {
val pubkey = try {
if (address.contains("@")) {
nostr.profiles.searchByAddress(address)
} else {
PublicKey.parse(address)
}
} catch (e: Exception) {
showError("Invalid contact address: ${e.message}")
return false
}
return run {
newContact(pubkey)
true
}
}
fun removeContact(publicKey: PublicKey) {
viewModelScope.launch {
if (publicKey !in contactList.value) return@launch
try {
val updated = contactList.value - publicKey
// Publish new event
nostr.profiles.setContactList(updated.toList())
// Optimistic local update
_contactList.update { it - publicKey }
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
}
fun createChatRoom(to: List<PublicKey>): Long {
try {
if (nostr.signer.currentUser == null) throw IllegalStateException("User not signed in")
if (to.isEmpty()) throw IllegalArgumentException("At least one recipient is required")
val currentUser = nostr.signer.currentUser ?: throw Exception("User not found")
// Construct the rumor event
val rumor = EventBuilder(Kind.fromStd(KindStandard.PRIVATE_DIRECT_MESSAGE), "")
.tags(to.map { Tag.publicKey(it) })
.finalizeUnsigned(currentUser)
// Check if the room already exists
val id = rumor.roomId()
val existingRoom = _chatRooms.value.firstOrNull { it.id == id }
// If the room already exists, return its ID
if (existingRoom != null) {
return existingRoom.id
}
// Create a room from the rumor event
val room = Room.new(rumor, currentUser)
// Update the chat rooms state
_chatRooms.update { currentRooms ->
(currentRooms + room).sortedDescending().toSet()
}
return room.id
} catch (e: Exception) {
throw IllegalArgumentException("Failed to create room: ${e.message}")
}
}
fun getChatRoom(id: Long): Room? {
return chatRooms.value.firstOrNull { it.id == id }
}
private fun mergeChatRooms(rooms: Set<Room>) {
_chatRooms.update { currentRooms ->
val merged = currentRooms.associateBy { it.id }.toMutableMap()
// Add or update rooms from the database
rooms.forEach { room ->
merged[room.id] = room
}
// Return as a sorted set to maintain UI consistency
merged.values.sortedDescending().toSet()
}
}
fun getChatRooms() {
viewModelScope.launch {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
mergeChatRooms(rooms)
}
}
suspend fun refreshChatRooms() {
try {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
mergeChatRooms(rooms)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
suspend fun getChatRoomMessages(roomId: Long): List<UnsignedEvent> {
try {
return nostr.messages.getChatRoomMessages(roomId)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
return emptyList()
}
fun chatRoomConnect(roomId: Long) {
viewModelScope.launch {
try {
val room = getChatRoom(roomId) ?: throw IllegalArgumentException("Room not found")
val members = room.members
nostr.messages.chatRoomConnect(members.toList())
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
}
fun sendMessage(roomId: Long, message: String, replies: List<EventId> = emptyList()) {
if (message.isEmpty()) {
showError("Message cannot be empty")
}
viewModelScope.launch {
try {
val room = getChatRoom(roomId) ?: throw IllegalArgumentException("Room not found")
nostr.messages.sendMessage(
to = room.members,
content = message,
subject = room.subject,
replies = replies,
onRumorCreated = { event ->
updateRoomList(roomId, event)
viewModelScope.launch { _newEvents.emit(event) }
},
)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
}
}
suspend fun sendFileMessage(
roomId: Long,
file: ByteArray?,
contentType: String? = "image/jpeg",
replies: List<EventId> = emptyList()
) {
if (file == null) return
try {
val uri = blossomUpload(file, contentType)
?: throw IllegalArgumentException("Failed to upload file")
sendMessage(roomId, uri, replies)
} catch (e: Exception) {
throw IllegalArgumentException("Error: ${e.message}")
}
}
fun isMessageSent(id: EventId): Boolean {
val giftWrapId = nostr.messages.rumorMap[id]
if (giftWrapId != null) {
val isSent = nostr.messages.sentEvents[giftWrapId]?.isNotEmpty() ?: false
return isSent
} else {
return false
}
}
private fun updateRoomList(roomId: Long, newMessage: UnsignedEvent) {
_chatRooms.update { currentRooms ->
currentRooms.map { room ->
if (room.id == roomId) {
room.copy(
lastMessage = newMessage.content(),
createdAt = newMessage.createdAt()
)
} else {
room
}
}.sortedDescending().toSet()
}
}
suspend fun searchByAddress(query: String): PublicKey? {
try {
return nostr.profiles.searchByAddress(query)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
return null
}
suspend fun searchByNostr(query: String): List<PublicKey> {
try {
return nostr.profiles.searchByNostr(query)
} catch (e: Exception) {
showError("Error: ${e.message}")
}
return emptyList()
}
suspend fun verifyActivity(pubkey: PublicKey): Timestamp? {
return try {
nostr.profiles.verifyActivity(pubkey)
} catch (e: Exception) {
showError("Error: ${e.message}")
null
}
}
suspend fun verifyContact(pubkey: PublicKey): Boolean {
return try {
nostr.profiles.verifyContact(pubkey)
} catch (e: Exception) {
showError("Error: ${e.message}")
false
}
}
suspend fun mutualContacts(pubkey: PublicKey): Set<PublicKey> {
return try {
nostr.profiles.mutualContacts(pubkey)
} catch (e: Exception) {
showError("Error: ${e.message}")
setOf()
}
}
}

View File

@@ -1,210 +0,0 @@
package su.reya.coop.viewmodels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.launch
import kotlinx.coroutines.withTimeoutOrNull
import rust.nostr.sdk.AsyncNostrSigner
import rust.nostr.sdk.Keys
import rust.nostr.sdk.NostrConnect
import rust.nostr.sdk.NostrConnectUri
import rust.nostr.sdk.PublicKey
import su.reya.coop.nostr.ExternalSignerHandler
import su.reya.coop.nostr.ExternalSignerProxy
import su.reya.coop.nostr.Nostr
import su.reya.coop.nostr.SignerPermissions
import su.reya.coop.storage.SecretStorage
import kotlin.time.Duration.Companion.seconds
class AccountViewModel(
val nostr: Nostr,
private val secretStore: SecretStorage,
private val appViewModel: AppViewModel,
private val externalSignerHandler: ExternalSignerHandler? = null,
) : ViewModel() {
private val _signerRequired = MutableStateFlow<Boolean?>(null)
val signerRequired = _signerRequired.asStateFlow()
init {
// Skip the splash screen if a user is already logged in
if (nostr.signer.currentUser != null) {
_signerRequired.value = false
}
// Check local stored secret
login()
}
private fun login() {
viewModelScope.launch {
try {
val secret = withTimeoutOrNull(3.seconds) {
secretStore.get("user_signer")
}
if (secret == null) {
_signerRequired.value = true
return@launch
}
runCatching {
val signer = createSigner(secret)
nostr.setSigner(signer)
}.onSuccess {
_signerRequired.value = false
}.onFailure { e ->
appViewModel.showError("Login failed: ${e.message}")
_signerRequired.value = true
}
} catch (e: Exception) {
appViewModel.showError("Login failed: ${e.message}")
_signerRequired.value = true
}
}
}
fun logout() {
viewModelScope.launch {
try {
appViewModel.setBusy(true)
// Reset the nostr signer and prune the database
nostr.signer.switch(Keys.generate())
nostr.prune()
} catch (e: Exception) {
appViewModel.showError("Logout encountered an error: ${e.message}")
} finally {
// Clear credentials from persistent storage
secretStore.clear("user_signer")
secretStore.clear("notification_banner_dismissed")
// Reset local states
appViewModel.setBusy(false)
_signerRequired.value = true
}
}
}
private suspend fun getOrInitAppKeys(): Keys {
val secret = secretStore.get("app_keys")
if (secret != null) return Keys.parse(secret)
val keys = Keys.generate()
secretStore.set("app_keys", keys.secretKey().toBech32())
return keys
}
private suspend fun createSigner(secret: String): AsyncNostrSigner {
return when {
secret.startsWith("nsec1") -> Keys.parse(secret)
secret.startsWith("bunker://") -> {
val appKeys = getOrInitAppKeys()
val bunker = NostrConnectUri.parse(secret)
val timeout = 50.seconds
NostrConnect(uri = bunker, appKeys, timeout, null)
}
secret.startsWith("nip55://") -> {
val handler = externalSignerHandler
?: throw IllegalStateException("External signer not available on this platform")
val parts = secret.removePrefix("nip55://").split("/", limit = 2)
val packageName = parts[0]
val pubkey = PublicKey.parse(parts[1])
handler.setPackageName(packageName)
ExternalSignerProxy(handler, pubkey)
}
else -> throw IllegalArgumentException("Invalid secret format")
}
}
suspend fun verifyIdentity(secret: String): PublicKey? {
try {
val signer = createSigner(secret)
if (secret.startsWith("bunker://")) {
appViewModel.showError("Please approve the connection.")
}
return signer.getPublicKeyAsync()
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
return null
}
}
suspend fun importIdentity(secret: String) {
appViewModel.setBusy(true)
try {
val signer = createSigner(secret)
nostr.setSigner(signer)
secretStore.set("user_signer", secret)
_signerRequired.value = false
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
} finally {
appViewModel.setBusy(false)
}
}
suspend fun createIdentity(
name: String,
bio: String?,
picture: ByteArray?,
contentType: String? = "image/jpeg",
) {
appViewModel.setBusy(true)
val keys = Keys.generate()
val secret = keys.secretKey().toBech32()
try {
val avatarUrl = picture?.let { appViewModel.blossomUpload(it, contentType) }
nostr.profiles.createIdentity(keys = keys, name = name, bio, picture = avatarUrl)
// Set credentials in persistent storage
secretStore.set("user_signer", secret)
// Update local state
_signerRequired.value = false
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
} finally {
appViewModel.setBusy(false)
}
}
suspend fun connectExternalSigner() {
val handler = externalSignerHandler ?: throw IllegalStateException("Signer not available")
appViewModel.setBusy(true)
try {
val permissions = SignerPermissions.toJson(
listOf(
SignerPermissions.signEvent(0),
SignerPermissions.signEvent(3),
SignerPermissions.signEvent(10000),
SignerPermissions.signEvent(10050),
SignerPermissions.signEvent(10063),
SignerPermissions.signEvent(22242),
SignerPermissions.signEvent(30030),
SignerPermissions.signEvent(30315),
SignerPermissions.nip44Encrypt(),
SignerPermissions.nip44Decrypt(),
)
)
val result = handler.getPublicKey(permissions) ?: throw Exception("Rejected")
val signer = ExternalSignerProxy(handler, result.pubkey)
nostr.setSigner(signer)
// Set credentials in persistent storage
secretStore.set("user_signer", "nip55://${result.packageName}/${result.pubkey.toHex()}")
// Update local state
_signerRequired.value = false
} catch (e: Exception) {
throw Exception("Notice: ${e.message}")
} finally {
appViewModel.setBusy(false)
}
}
fun isExternalSignerAvailable(): Boolean {
return externalSignerHandler?.isAvailable() == true
}
}

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@@ -1,92 +0,0 @@
package su.reya.coop.viewmodels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import io.ktor.client.HttpClient
import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
import io.ktor.serialization.kotlinx.json.json
import kotlinx.coroutines.NonCancellable
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.receiveAsFlow
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import kotlinx.serialization.json.Json
import su.reya.coop.blossom.BlossomClient
import su.reya.coop.nostr.Nostr
import su.reya.coop.storage.SecretStorage
class AppViewModel(
private val nostr: Nostr,
private val secretStore: SecretStorage
) : ViewModel() {
private val _isBusy = MutableStateFlow(false)
val isBusy = _isBusy.asStateFlow()
private val _isNotificationBannerDismissed = MutableStateFlow(false)
val isNotificationBannerDismissed = _isNotificationBannerDismissed.asStateFlow()
private val _errorEvents = Channel<String>(Channel.BUFFERED)
val errorEvents = _errorEvents.receiveAsFlow()
init {
checkNotificationBannerDismissedStatus()
}
fun setBusy(busy: Boolean) {
_isBusy.value = busy
}
fun showError(message: String) {
viewModelScope.launch {
_errorEvents.send(message)
}
}
private fun checkNotificationBannerDismissedStatus() {
viewModelScope.launch {
_isNotificationBannerDismissed.value =
secretStore.get("notification_banner_dismissed") == "true"
}
}
fun dismissNotificationBanner() {
viewModelScope.launch {
secretStore.set("notification_banner_dismissed", "true")
_isNotificationBannerDismissed.value = true
}
}
suspend fun blossomUpload(file: ByteArray, contentType: String? = "image/jpeg"): String? {
val blossom = BlossomClient(
url = "https://blossom.band",
client = HttpClient {
install(ContentNegotiation) {
json(Json {
ignoreUnknownKeys = true
prettyPrint = true
isLenient = true
})
}
}
)
val descriptor = blossom.upload(
file = file,
contentType = contentType,
signer = nostr.signer.get()
)
return descriptor?.url
}
override fun onCleared() {
super.onCleared()
viewModelScope.launch {
withContext(NonCancellable) {
nostr.disconnect()
}
}
}
}

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@@ -1,221 +0,0 @@
package su.reya.coop.viewmodels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.asSharedFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.stateIn
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import rust.nostr.sdk.EventBuilder
import rust.nostr.sdk.EventId
import rust.nostr.sdk.Kind
import rust.nostr.sdk.KindStandard
import rust.nostr.sdk.PublicKey
import rust.nostr.sdk.Tag
import rust.nostr.sdk.UnsignedEvent
import su.reya.coop.nostr.Nostr
import su.reya.coop.nostr.Room
import su.reya.coop.nostr.roomId
class ChatViewModel(
private val nostr: Nostr,
private val appViewModel: AppViewModel
) : ViewModel() {
private val _chatRooms = MutableStateFlow<Set<Room>>(emptySet())
val chatRooms = _chatRooms.asStateFlow()
private val _newEvents = MutableSharedFlow<UnsignedEvent>(extraBufferCapacity = 100)
val newEvents = _newEvents.asSharedFlow()
private val _isPartialProcessedGiftWrap = MutableStateFlow(false)
val isPartialProcessedGiftWrap = _isPartialProcessedGiftWrap.asStateFlow()
val isSyncing = nostr.messages.messageSyncState.map { it.isSyncing }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
suspend fun bindObservers() = coroutineScope {
launch {
nostr.messages.messageSyncState.collect { state ->
if (state.processedCount > 0) {
_isPartialProcessedGiftWrap.value = true
}
if (state.processedCount % 10 == 0 || !state.isSyncing) {
refreshChatRooms()
}
}
}
launch {
nostr.newEvents.collect { event ->
val roomId = event.roomId()
val existingRoom = _chatRooms.value.firstOrNull { it.id == roomId }
if (existingRoom == null) {
val currentUser = nostr.signer.currentUser
if (currentUser != null) {
val newRoom = Room.new(event, currentUser)
_chatRooms.update { (it + newRoom).sortedDescending().toSet() }
}
} else {
updateRoomList(roomId, event)
}
_newEvents.emit(event)
}
}
}
fun createChatRoom(to: List<PublicKey>): Long {
try {
val currentUser =
nostr.signer.currentUser ?: throw IllegalStateException("User not signed in")
if (to.isEmpty()) throw IllegalArgumentException("At least one recipient is required")
val rumor = EventBuilder(Kind.fromStd(KindStandard.PRIVATE_DIRECT_MESSAGE), "")
.tags(to.map { Tag.publicKey(it) })
.finalizeUnsigned(currentUser)
val id = rumor.roomId()
val existingRoom = _chatRooms.value.firstOrNull { it.id == id }
if (existingRoom != null) {
return existingRoom.id
}
val room = Room.new(rumor, currentUser)
_chatRooms.update { currentRooms ->
(currentRooms + room).sortedDescending().toSet()
}
return room.id
} catch (e: Exception) {
throw IllegalArgumentException("Failed to create room: ${e.message}")
}
}
fun getChatRoom(id: Long): Room? {
return chatRooms.value.firstOrNull { it.id == id }
}
fun getChatRooms() {
viewModelScope.launch {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
mergeChatRooms(rooms)
}
}
suspend fun refreshChatRooms() {
try {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
mergeChatRooms(rooms)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
fun mergeChatRooms(rooms: Set<Room>) {
_chatRooms.update { currentRooms ->
val merged = currentRooms.associateBy { it.id }.toMutableMap()
rooms.forEach { room ->
merged[room.id] = room
}
merged.values.sortedDescending().toSet()
}
}
suspend fun getChatRoomMessages(roomId: Long): List<UnsignedEvent> {
try {
return nostr.messages.getChatRoomMessages(roomId)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
return emptyList()
}
fun chatRoomConnect(roomId: Long) {
viewModelScope.launch {
try {
val room = getChatRoom(roomId) ?: throw IllegalArgumentException("Room not found")
nostr.messages.chatRoomConnect(room.members.toList())
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
}
fun sendMessage(
roomId: Long,
message: String,
replies: List<EventId> = emptyList()
) {
if (message.isEmpty()) {
appViewModel.showError("Message cannot be empty")
return
}
viewModelScope.launch {
try {
val room = getChatRoom(roomId) ?: throw IllegalArgumentException("Room not found")
nostr.messages.sendMessage(
to = room.members,
content = message,
subject = room.subject,
replies = replies,
onRumorCreated = { event ->
updateRoomList(roomId, event)
viewModelScope.launch { _newEvents.emit(event) }
},
)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
}
suspend fun sendFileMessage(
roomId: Long,
file: ByteArray?,
contentType: String? = "image/jpeg",
replies: List<EventId> = emptyList()
) {
if (file == null) return
try {
val uri = appViewModel.blossomUpload(file, contentType)
?: throw IllegalArgumentException("Failed to upload file")
sendMessage(roomId, uri, replies)
} catch (e: Exception) {
throw IllegalArgumentException("Error: ${e.message}")
}
}
fun isMessageSent(id: EventId): Boolean {
val giftWrapId = nostr.messages.rumorMap[id]
return if (giftWrapId != null) {
nostr.messages.sentEvents[giftWrapId]?.isNotEmpty() ?: false
} else {
false
}
}
private fun updateRoomList(roomId: Long, newMessage: UnsignedEvent) {
_chatRooms.update { currentRooms ->
currentRooms.map { room ->
if (room.id == roomId) {
room.copy(
lastMessage = newMessage.content(),
createdAt = newMessage.createdAt()
)
} else {
room
}
}.sortedDescending().toSet()
}
}
}

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@@ -1,216 +0,0 @@
package su.reya.coop.viewmodels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import kotlinx.coroutines.withTimeoutOrNull
import rust.nostr.sdk.Metadata
import rust.nostr.sdk.PublicKey
import rust.nostr.sdk.Timestamp
import su.reya.coop.nostr.Nostr
import kotlin.time.Clock
import kotlin.time.Duration.Companion.milliseconds
class ProfileViewModel(
private val nostr: Nostr,
private val appViewModel: AppViewModel
) : ViewModel() {
private val _contactList = MutableStateFlow<Set<PublicKey>>(emptySet())
val contactList = _contactList.asStateFlow()
private val _metadataStore = mutableMapOf<PublicKey, MutableStateFlow<Metadata?>>()
private val metadataRequestChannel = Channel<PublicKey>(Channel.UNLIMITED)
private val seenPublicKeys = mutableSetOf<PublicKey>()
init {
getCacheMetadata()
}
suspend fun bindObservers() = coroutineScope {
launch {
nostr.profiles.contactListUpdates.collect { contacts ->
_contactList.value = contacts.toSet()
}
}
launch {
nostr.profiles.metadataUpdates.collect { (pubkey, metadata) ->
updateMetadata(pubkey, metadata)
}
}
launch { runMetadataBatching() }
}
private fun updateMetadata(pubkey: PublicKey, metadata: Metadata) {
_metadataStore.getOrPut(pubkey) { MutableStateFlow(null) }.value = metadata
}
fun getMetadata(pubkey: PublicKey): StateFlow<Metadata?> {
val flow = _metadataStore.getOrPut(pubkey) { MutableStateFlow(null) }
if (flow.value == null) {
requestMetadata(pubkey)
}
return flow.asStateFlow()
}
private fun requestMetadata(pubkey: PublicKey) {
if (seenPublicKeys.add(pubkey)) {
viewModelScope.launch {
metadataRequestChannel.send(pubkey)
}
}
}
private fun getCacheMetadata() {
viewModelScope.launch {
nostr.waitUntilInitialized()
val results = nostr.profiles.getAllCacheMetadata()
results.forEach { (pubkey, metadata) ->
updateMetadata(pubkey, metadata)
seenPublicKeys.add(pubkey)
}
}
}
private suspend fun runMetadataBatching() = coroutineScope {
nostr.waitUntilInitialized()
val batch = mutableSetOf<PublicKey>()
val timeout = 500L
while (true) {
val firstKey = metadataRequestChannel.receive()
batch.add(firstKey)
val lastFlushTime = Clock.System.now().toEpochMilliseconds()
while (batch.isNotEmpty()) {
val nextKey = withTimeoutOrNull(timeout.milliseconds) {
metadataRequestChannel.receive()
}
if (nextKey != null) batch.add(nextKey)
val now = Clock.System.now().toEpochMilliseconds()
if (batch.size >= 10 || (now - lastFlushTime) >= timeout || nextKey == null) {
val keysToRequest = batch.toList()
batch.clear()
nostr.profiles.fetchMetadataBatch(keysToRequest)
}
}
}
}
suspend fun updateProfile(
name: String? = null,
bio: String? = null,
picture: ByteArray? = null,
contentType: String? = "image/jpeg"
) {
appViewModel.setBusy(true)
try {
val avatarUrl = picture?.let { appViewModel.blossomUpload(it, contentType) }
val newMetadata = nostr.profiles.updateProfile(name, bio, avatarUrl)
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
updateMetadata(currentUser, newMetadata)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
} finally {
appViewModel.setBusy(false)
}
}
suspend fun addContact(address: String): Boolean {
val pubkey = try {
if (address.contains("@")) {
nostr.profiles.searchByAddress(address)
} else {
PublicKey.parse(address)
}
} catch (e: Exception) {
appViewModel.showError("Invalid contact address: ${e.message}")
return false
}
if (pubkey in contactList.value) return true
return try {
val updated = contactList.value + pubkey
nostr.profiles.setContactList(updated.toList())
_contactList.update { it + pubkey }
true
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
false
}
}
fun removeContact(publicKey: PublicKey) {
viewModelScope.launch {
if (publicKey !in contactList.value) return@launch
try {
val updated = contactList.value - publicKey
nostr.profiles.setContactList(updated.toList())
_contactList.update { it - publicKey }
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
}
suspend fun searchByAddress(query: String): PublicKey? {
try {
return nostr.profiles.searchByAddress(query)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
return null
}
suspend fun searchByNostr(query: String): List<PublicKey> {
try {
return nostr.profiles.searchByNostr(query)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
return emptyList()
}
suspend fun verifyActivity(pubkey: PublicKey): Timestamp? {
return try {
nostr.profiles.verifyActivity(pubkey)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
null
}
}
suspend fun verifyContact(pubkey: PublicKey): Boolean {
return try {
nostr.profiles.verifyContact(pubkey)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
false
}
}
suspend fun mutualContacts(pubkey: PublicKey): Set<PublicKey> {
return try {
nostr.profiles.mutualContacts(pubkey)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
setOf()
}
}
fun getUserMetadata() {
viewModelScope.launch {
nostr.profiles.getUserMetadata()
}
}
}

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@@ -1,149 +0,0 @@
package su.reya.coop.viewmodels
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.launch
import rust.nostr.sdk.PublicKey
import rust.nostr.sdk.RelayMetadata
import rust.nostr.sdk.RelayUrl
import su.reya.coop.nostr.Nostr
import kotlin.time.Duration.Companion.milliseconds
import kotlin.time.Duration.Companion.seconds
class RelayViewModel(
private val nostr: Nostr,
private val appViewModel: AppViewModel,
private val chatViewModel: ChatViewModel,
private val profileViewModel: ProfileViewModel
) : ViewModel() {
private val _isRelayListEmpty = MutableStateFlow(false)
val isRelayListEmpty = _isRelayListEmpty.asStateFlow()
fun reconnect() {
viewModelScope.launch {
nostr.waitUntilInitialized()
nostr.reconnect()
}
}
fun observeSignerAndCheckRelays() {
viewModelScope.launch {
while (true) {
val pubkey = nostr.signer.currentUser
if (pubkey != null) {
val rooms = nostr.messages.getChatRooms() ?: emptySet()
if (rooms.isNotEmpty()) {
chatViewModel.mergeChatRooms(rooms)
// Note: isPartialProcessedGiftWrap is in ChatViewModel
// We might need to expose a way to set it or just let it be updated by observers
}
profileViewModel.getUserMetadata()
delay(2.seconds)
val relays = nostr.relays.getMsgRelays(pubkey)
if (relays.isEmpty()) _isRelayListEmpty.value = true
break
}
delay(500.milliseconds)
}
}
}
suspend fun refetchMsgRelays(pubkey: PublicKey) {
val relays = nostr.relays.fetchMsgRelays(pubkey)
if (relays.isNotEmpty()) dismissRelayWarning()
}
fun dismissRelayWarning() {
_isRelayListEmpty.value = false
}
suspend fun useDefaultMsgRelayList() {
try {
val defaultRelays = nostr.relays.getDefaultMsgRelayList()
nostr.relays.setMsgRelays(defaultRelays)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
suspend fun currentUserRelayList(): Map<RelayUrl, RelayMetadata?> {
try {
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
return nostr.relays.getRelayList(currentUser)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
return emptyMap()
}
}
suspend fun addInboxRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays[relayUrl] = RelayMetadata.WRITE
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
suspend fun addOutboxRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays[relayUrl] = RelayMetadata.READ
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
suspend fun removeRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserRelayList().toMutableMap()
relays.remove(relayUrl)
nostr.relays.setRelaylist(relays)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
suspend fun currentUserMsgRelayList(): List<RelayUrl> {
try {
val currentUser = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
return nostr.relays.getMsgRelays(currentUser)
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
return emptyList()
}
}
suspend fun addMsgRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserMsgRelayList().toMutableSet()
relays.add(relayUrl)
nostr.relays.setMsgRelays(relays.toList())
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
suspend fun removeMsgRelay(relay: String) {
try {
val relayUrl = RelayUrl.parse(relay)
val relays = currentUserMsgRelayList().toMutableSet()
relays.remove(relayUrl)
nostr.relays.setMsgRelays(relays.toList())
} catch (e: Exception) {
appViewModel.showError("Error: ${e.message}")
}
}
}