kopia lustrzana https://github.com/vitorpamplona/amethyst
55 wiersze
1.9 KiB
Kotlin
55 wiersze
1.9 KiB
Kotlin
package com.vitorpamplona.amethyst.service.model
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import com.vitorpamplona.amethyst.model.HexKey
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import com.vitorpamplona.amethyst.model.toHexKey
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import com.vitorpamplona.amethyst.service.relays.Client
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import nostr.postr.Utils
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import java.util.Date
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class RepostEvent(
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id: HexKey,
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pubKey: HexKey,
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createdAt: Long,
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tags: List<List<String>>,
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content: String,
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sig: HexKey
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) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
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fun boostedPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
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fun originalAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
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fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
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val aTagValue = it.getOrNull(1)
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val relay = it.getOrNull(2)
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if (aTagValue != null) ATag.parse(aTagValue, relay) else null
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}
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fun containedPost() = try {
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fromJson(content, Client.lenient)
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} catch (e: Exception) {
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null
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}
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companion object {
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const val kind = 6
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fun create(boostedPost: EventInterface, privateKey: ByteArray, createdAt: Long = Date().time / 1000): RepostEvent {
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val content = boostedPost.toJson()
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val replyToPost = listOf("e", boostedPost.id())
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val replyToAuthor = listOf("p", boostedPost.pubKey())
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val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
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var tags: List<List<String>> = boostedPost.tags().plus(listOf(replyToPost, replyToAuthor))
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if (boostedPost is LongTextNoteEvent) {
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tags = tags + listOf(listOf("a", boostedPost.address().toTag()))
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}
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val id = generateId(pubKey, createdAt, kind, tags, content)
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val sig = Utils.sign(id, privateKey)
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return RepostEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
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}
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}
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}
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