amethyst/app/src/main/java/com/vitorpamplona/amethyst/service/NostrGeohashDataSource.kt

82 wiersze
3.3 KiB
Kotlin

/**
* Copyright (c) 2024 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.amethyst.service
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.AudioHeaderEvent
import com.vitorpamplona.quartz.events.AudioTrackEvent
import com.vitorpamplona.quartz.events.ChannelMessageEvent
import com.vitorpamplona.quartz.events.ClassifiedsEvent
import com.vitorpamplona.quartz.events.HighlightEvent
import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
import com.vitorpamplona.quartz.events.LongTextNoteEvent
import com.vitorpamplona.quartz.events.PollNoteEvent
import com.vitorpamplona.quartz.events.TextNoteEvent
object NostrGeohashDataSource : NostrDataSource("SingleGeoHashFeed") {
private var geohashToWatch: String? = null
fun createLoadHashtagFilter(): TypedFilter? {
val hashToLoad = geohashToWatch ?: return null
return TypedFilter(
types = COMMON_FEED_TYPES,
filter =
JsonFilter(
tags =
mapOf(
"g" to
listOf(
hashToLoad,
),
),
kinds =
listOf(
TextNoteEvent.KIND,
ChannelMessageEvent.KIND,
LongTextNoteEvent.KIND,
PollNoteEvent.KIND,
LiveActivitiesChatMessageEvent.KIND,
ClassifiedsEvent.KIND,
HighlightEvent.KIND,
AudioTrackEvent.KIND,
AudioHeaderEvent.KIND,
),
limit = 200,
),
)
}
val loadGeohashChannel = requestNewChannel()
override fun updateChannelFilters() {
loadGeohashChannel.typedFilters = listOfNotNull(createLoadHashtagFilter()).ifEmpty { null }
}
fun loadHashtag(tag: String?) {
geohashToWatch = tag
invalidateFilters()
}
}