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Extract method refactoring in Nip19::uriToRoute()

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This commit is contained in:
Chemaclass 2023-03-03 23:36:16 +01:00
parent fd58da2a93
commit 91591abd14
1 changed files with 54 additions and 31 deletions
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85
app/src/main/java/com/vitorpamplona/amethyst/service/Nip19.kt
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@ -23,37 +23,17 @@ class Nip19 {
val bytes = key.bechToBytes()
if (key.startsWith("npub")) {
return Return(Type.USER, bytes.toHexKey())
}
if (key.startsWith("note")) {
return Return(Type.NOTE, bytes.toHexKey())
}
if (key.startsWith("nprofile")) {
val tlv = parseTLV(bytes)
val hex = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toHexKey()
if (hex != null)
return Return(Type.USER, hex)
}
if (key.startsWith("nevent")) {
val tlv = parseTLV(bytes)
val hex = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toHexKey()
if (hex != null)
return Return(Type.USER, hex)
}
if (key.startsWith("nrelay")) {
val tlv = parseTLV(bytes)
val relayUrl = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toString(Charsets.UTF_8)
if (relayUrl != null)
return Return(Type.RELAY, relayUrl)
}
if (key.startsWith("naddr")) {
val tlv = parseTLV(bytes)
val d = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toString(Charsets.UTF_8)
val relay = tlv.get(NIP19TLVTypes.RELAY.id)?.get(0)?.toString(Charsets.UTF_8)
val author = tlv.get(NIP19TLVTypes.AUTHOR.id)?.get(0)?.toHexKey()
val kind = tlv.get(NIP19TLVTypes.KIND.id)?.get(0)?.let { toInt32(it) }
if (d != null)
return Return(Type.ADDRESS, "$kind:$author:$d")
return npub(bytes)
} else if (key.startsWith("note")) {
return note(bytes)
} else if (key.startsWith("nprofile")) {
return nprofile(bytes)
} else if (key.startsWith("nevent")) {
return nevent(bytes)
} else if (key.startsWith("nrelay")) {
return nrelay(bytes)
} else if (key.startsWith("naddr")) {
return naddr(bytes)
}
} catch (e: Throwable) {
println("Issue trying to Decode NIP19 ${uri}: ${e.message}")
@ -62,6 +42,49 @@ class Nip19 {
return null
}
private fun npub(bytes: ByteArray): Return {
return Return(Type.USER, bytes.toHexKey())
}
private fun note(bytes: ByteArray): Return {
return Return(Type.NOTE, bytes.toHexKey());
}
private fun nprofile(bytes: ByteArray): Return? {
val tlv = parseTLV(bytes)
val hex = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toHexKey() ?: return null
return Return(Type.USER, hex)
}
private fun nevent(bytes: ByteArray): Return? {
val hex = parseTLV(bytes)
.get(NIP19TLVTypes.SPECIAL.id)
?.get(0)
?.toHexKey() ?: return null
return Return(Type.USER, hex)
}
private fun nrelay(bytes: ByteArray): Return? {
val relayUrl = parseTLV(bytes)
.get(NIP19TLVTypes.SPECIAL.id)
?.get(0)
?.toString(Charsets.UTF_8) ?: return null
return Return(Type.RELAY, relayUrl)
}
private fun naddr(bytes: ByteArray): Return? {
val tlv = parseTLV(bytes)
val d = tlv.get(NIP19TLVTypes.SPECIAL.id)?.get(0)?.toString(Charsets.UTF_8) ?: return null
val relay = tlv.get(NIP19TLVTypes.RELAY.id)?.get(0)?.toString(Charsets.UTF_8)
val author = tlv.get(NIP19TLVTypes.AUTHOR.id)?.get(0)?.toHexKey()
val kind = tlv.get(NIP19TLVTypes.KIND.id)?.get(0)?.let { toInt32(it) }
return Return(Type.ADDRESS, "$kind:$author:$d")
}
}
enum class NIP19TLVTypes(val id: Byte) { //classes should start with an uppercase letter in kotlin