kopia lustrzana https://github.com/vitorpamplona/amethyst
48 wiersze
1.9 KiB
Kotlin
48 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 nostr.postr.Utils
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import java.util.Date
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class LongTextNoteEvent(
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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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) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
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fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
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fun address() = ATag(kind, pubKey, dTag(), null)
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fun topics() = tags.filter { it.firstOrNull() == "t" }.mapNotNull { it.getOrNull(1) }
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fun title() = tags.filter { it.firstOrNull() == "title" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
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fun image() = tags.filter { it.firstOrNull() == "image" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
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fun summary() = tags.filter { it.firstOrNull() == "summary" }.mapNotNull { it.getOrNull(1) }.firstOrNull()
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fun publishedAt() = try {
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tags.filter { it.firstOrNull() == "published_at" }.mapNotNull { it.getOrNull(1) }.firstOrNull()?.toLong()
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} catch (_: Exception) {
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null
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}
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companion object {
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const val kind = 30023
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fun create(msg: String, replyTos: List<String>?, mentions: List<String>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): LongTextNoteEvent {
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val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
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val tags = mutableListOf<List<String>>()
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replyTos?.forEach {
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tags.add(listOf("e", it))
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}
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mentions?.forEach {
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tags.add(listOf("p", it))
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}
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val id = generateId(pubKey, createdAt, kind, tags, msg)
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val sig = Utils.sign(id, privateKey)
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return LongTextNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
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}
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}
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}
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