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Adds a filter for messages by the author in public chats from all relays.

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This commit is contained in:
Vitor Pamplona 2023-03-20 12:10:09 -04:00
parent abb27ac811
commit fc37789727
2 changed files with 40 additions and 6 deletions
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34
app/src/main/java/com/vitorpamplona/amethyst/service/NostrChannelDataSource.kt
View File

@ -1,5 +1,6 @@
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.Channel
import com.vitorpamplona.amethyst.model.LocalCache
import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
@ -8,13 +9,39 @@ import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
var account: Account? = null
var channel: Channel? = null
fun loadMessagesBetween(channelId: String) {
fun loadMessagesBetween(account: Account, channelId: String) {
this.account = account
channel = LocalCache.getOrCreateChannel(channelId)
resetFilters()
}
fun clear() {
account = null
channel = null
}
fun createMessagesByMeToChannelFilter(): TypedFilter? {
val myAccount = account ?: return null
if (channel != null) {
// Brings on messages by the user from all other relays.
// Since we ship with write to public, read from private only
// this guarantees that messages from the author do not disappear.
return TypedFilter(
types = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS, FeedType.GLOBAL, FeedType.SEARCH),
filter = JsonFilter(
kinds = listOf(ChannelMessageEvent.kind),
authors = listOf(myAccount.userProfile().pubkeyHex),
limit = 50
)
)
}
return null
}
fun createMessagesToChannelFilter(): TypedFilter? {
if (channel != null) {
return TypedFilter(
@ -32,6 +59,9 @@ object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
val messagesChannel = requestNewChannel()
override fun updateChannelFilters() {
messagesChannel.typedFilters = listOfNotNull(createMessagesToChannelFilter()).ifEmpty { null }
messagesChannel.typedFilters = listOfNotNull(
createMessagesToChannelFilter(),
createMessagesByMeToChannelFilter()
).ifEmpty { null }
}
}

12
app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt
View File

@ -91,9 +91,6 @@ fun ChannelScreen(
if (account != null && channelId != null) {
val replyTo = remember { mutableStateOf<Note?>(null) }
ChannelFeedFilter.loadMessagesBetween(account, channelId)
NostrChannelDataSource.loadMessagesBetween(channelId)
val channelState by NostrChannelDataSource.channel!!.live.observeAsState()
val channel = channelState?.channel ?: return
@ -101,6 +98,9 @@ fun ChannelScreen(
val lifeCycleOwner = LocalLifecycleOwner.current
LaunchedEffect(Unit) {
ChannelFeedFilter.loadMessagesBetween(account, channelId)
NostrChannelDataSource.loadMessagesBetween(account, channelId)
feedViewModel.invalidateData()
channelScreenModel.imageUploadingError.collect { error ->
Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
@ -111,11 +111,15 @@ fun ChannelScreen(
val observer = LifecycleEventObserver { _, event ->
if (event == Lifecycle.Event.ON_RESUME) {
println("Channel Start")
NostrChannelDataSource.start()
ChannelFeedFilter.loadMessagesBetween(account, channelId)
NostrChannelDataSource.loadMessagesBetween(account, channelId)
feedViewModel.invalidateData()
}
if (event == Lifecycle.Event.ON_PAUSE) {
println("Channel Stop")
NostrChannelDataSource.clear()
NostrChannelDataSource.stop()
}
}