kopia lustrzana https://github.com/vitorpamplona/amethyst
89 wiersze
3.1 KiB
Kotlin
89 wiersze
3.1 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.model
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import androidx.compose.runtime.Stable
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import com.vitorpamplona.amethyst.service.checkNotInMainThread
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import com.vitorpamplona.quartz.encoders.HexKey
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import com.vitorpamplona.quartz.utils.TimeUtils
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@Stable
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class Chatroom() {
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var roomMessages: Set<Note> = setOf()
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var subject: String? = null
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var subjectCreatedAt: Long? = null
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@Synchronized
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fun addMessageSync(msg: Note) {
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checkNotInMainThread()
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if (msg !in roomMessages) {
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roomMessages = roomMessages + msg
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val newSubject = msg.event?.subject()
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if (newSubject != null && (msg.createdAt() ?: 0) > (subjectCreatedAt ?: 0)) {
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subject = newSubject
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subjectCreatedAt = msg.createdAt()
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}
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}
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}
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@Synchronized
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fun removeMessageSync(msg: Note) {
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checkNotInMainThread()
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if (msg !in roomMessages) {
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roomMessages = roomMessages + msg
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roomMessages
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.filter { it.event?.subject() != null }
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.sortedBy { it.createdAt() }
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.lastOrNull()
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?.let {
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subject = it.event?.subject()
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subjectCreatedAt = it.createdAt()
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}
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}
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}
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fun senderIntersects(keySet: Set<HexKey>): Boolean {
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return roomMessages.any { it.author?.pubkeyHex in keySet }
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}
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fun pruneMessagesToTheLatestOnly(): Set<Note> {
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val sorted = roomMessages.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
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val toKeep =
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if ((sorted.firstOrNull()?.createdAt() ?: 0) > TimeUtils.oneWeekAgo()) {
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// Recent messages, keep last 100
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sorted.take(100).toSet()
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} else {
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// Old messages, keep the last one.
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sorted.take(1).toSet()
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} + sorted.filter { it.liveSet?.isInUse() ?: false }
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val toRemove = roomMessages.minus(toKeep)
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roomMessages = toKeep
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return toRemove
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}
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}
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