amethyst/app/src/main/java/com/vitorpamplona/amethyst/service/model/ReactionEvent.kt

37 wiersze
1.1 KiB
Kotlin

package com.vitorpamplona.amethyst.service.model
import java.util.Date
import nostr.postr.Utils
import nostr.postr.events.Event
import nostr.postr.toHex
class ReactionEvent (
id: ByteArray,
pubKey: ByteArray,
createdAt: Long,
tags: List<List<String>>,
content: String,
sig: ByteArray
): Event(id, pubKey, createdAt, kind, tags, content, sig) {
@Transient val originalPost: List<String>
@Transient val originalAuthor: List<String>
init {
originalPost = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
originalAuthor = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
}
companion object {
const val kind = 7
fun create(originalNote: Event, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ReactionEvent {
val content = "+"
val pubKey = Utils.pubkeyCreate(privateKey)
val tags = listOf( listOf("e", originalNote.id.toHex()), listOf("p", originalNote.pubKey.toHex()))
val id = generateId(pubKey, createdAt, kind, tags, content)
val sig = Utils.sign(id, privateKey)
return ReactionEvent(id, pubKey, createdAt, tags, content, sig)
}
}
}