notecrumbs/src/nip19.rs
2023-12-21 11:16:51 -08:00

37 lines
1.2 KiB
Rust

use crate::error::Error;
use nostr_sdk::nips::nip19::Nip19;
use nostr_sdk::prelude::*;
pub fn to_filters(nip19: &Nip19) -> Result<Vec<Filter>, Error> {
match nip19 {
Nip19::Event(ev) => {
let mut filters = vec![Filter::new().id(ev.event_id).limit(1)];
if let Some(author) = ev.author {
filters.push(Filter::new().author(author).kind(Kind::Metadata).limit(1))
}
Ok(filters)
}
Nip19::EventId(evid) => Ok(vec![Filter::new().id(*evid).limit(1)]),
Nip19::Profile(prof) => Ok(vec![Filter::new()
.author(prof.public_key)
.kind(Kind::Metadata)
.limit(1)]),
Nip19::Pubkey(pk) => Ok(vec![Filter::new()
.author(*pk)
.kind(Kind::Metadata)
.limit(1)]),
Nip19::Secret(_sec) => Err(Error::InvalidNip19),
Nip19::Coordinate(_coord) => Err(Error::InvalidNip19),
}
}
pub fn to_relays(nip19: &Nip19) -> Vec<String> {
let mut relays: Vec<String> = vec![];
match nip19 {
Nip19::Event(ev) => relays.extend(ev.relays.clone()),
Nip19::Profile(p) => relays.extend(p.relays.clone()),
_ => (),
}
relays
}