kopia lustrzana https://github.com/vitorpamplona/amethyst
120 wiersze
4.7 KiB
Kotlin
120 wiersze
4.7 KiB
Kotlin
/**
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* Copyright (c) 2024 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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* Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.amethyst.service
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import com.vitorpamplona.amethyst.model.Account
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import com.vitorpamplona.amethyst.model.Channel
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import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
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import com.vitorpamplona.amethyst.model.PublicChatChannel
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import com.vitorpamplona.amethyst.service.relays.FeedType
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import com.vitorpamplona.amethyst.service.relays.JsonFilter
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import com.vitorpamplona.amethyst.service.relays.TypedFilter
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import com.vitorpamplona.quartz.events.ChannelMessageEvent
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import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
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object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
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var account: Account? = null
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var channel: Channel? = null
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fun loadMessagesBetween(
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account: Account,
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channel: Channel,
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) {
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this.account = account
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this.channel = channel
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resetFilters()
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}
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fun clear() {
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account = null
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channel = null
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}
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fun createMessagesByMeToChannelFilter(): TypedFilter? {
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val myAccount = account ?: return null
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if (channel is PublicChatChannel) {
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// Brings on messages by the user from all other relays.
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// Since we ship with write to public, read from private only
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// this guarantees that messages from the author do not disappear.
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return TypedFilter(
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types = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS, FeedType.GLOBAL, FeedType.SEARCH),
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filter =
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JsonFilter(
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kinds = listOf(ChannelMessageEvent.KIND),
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authors = listOf(myAccount.userProfile().pubkeyHex),
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limit = 50,
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),
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)
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} else if (channel is LiveActivitiesChannel) {
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// Brings on messages by the user from all other relays.
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// Since we ship with write to public, read from private only
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// this guarantees that messages from the author do not disappear.
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return TypedFilter(
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types = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS, FeedType.GLOBAL, FeedType.SEARCH),
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filter =
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JsonFilter(
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kinds = listOf(LiveActivitiesChatMessageEvent.KIND),
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authors = listOf(myAccount.userProfile().pubkeyHex),
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limit = 50,
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),
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)
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}
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return null
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}
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fun createMessagesToChannelFilter(): TypedFilter? {
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if (channel is PublicChatChannel) {
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return TypedFilter(
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types = setOf(FeedType.PUBLIC_CHATS),
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filter =
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JsonFilter(
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kinds = listOf(ChannelMessageEvent.KIND),
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tags = mapOf("e" to listOfNotNull(channel?.idHex)),
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limit = 200,
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),
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)
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} else if (channel is LiveActivitiesChannel) {
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return TypedFilter(
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types = setOf(FeedType.PUBLIC_CHATS),
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filter =
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JsonFilter(
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kinds = listOf(LiveActivitiesChatMessageEvent.KIND),
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tags = mapOf("a" to listOfNotNull(channel?.idHex)),
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limit = 200,
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),
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)
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}
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return null
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}
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val messagesChannel = requestNewChannel()
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override fun updateChannelFilters() {
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messagesChannel.typedFilters =
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listOfNotNull(
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createMessagesToChannelFilter(),
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createMessagesByMeToChannelFilter(),
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)
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.ifEmpty { null }
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}
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}
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