Files
lume/src-tauri/src/commands/relay.rs
2024-10-15 10:37:07 +07:00

158 lines
4.4 KiB
Rust

use crate::Nostr;
use nostr_sdk::prelude::*;
use serde::Serialize;
use specta::Type;
use std::{
fs::OpenOptions,
io::{self, BufRead, Write},
};
use tauri::{path::BaseDirectory, Manager, State};
#[derive(Serialize, Type)]
pub struct Relays {
connected: Vec<String>,
read: Option<Vec<String>>,
write: Option<Vec<String>>,
both: Option<Vec<String>>,
}
#[tauri::command]
#[specta::specta]
pub async fn get_relays(state: State<'_, Nostr>) -> Result<Relays, String> {
let client = &state.client;
let connected_relays = client
.relays()
.await
.into_keys()
.map(|url| url.to_string())
.collect::<Vec<_>>();
let signer = client.signer().await.map_err(|e| e.to_string())?;
let public_key = signer.public_key().await.map_err(|e| e.to_string())?;
let filter = Filter::new()
.author(public_key)
.kind(Kind::RelayList)
.limit(1);
match client.database().query(vec![filter]).await {
Ok(events) => {
if let Some(event) = events.first() {
let nip65_list = nip65::extract_relay_list(event).collect::<Vec<_>>();
let read = nip65_list
.iter()
.filter_map(|(url, meta)| {
if let Some(RelayMetadata::Read) = meta {
Some(url.to_string())
} else {
None
}
})
.collect();
let write = nip65_list
.iter()
.filter_map(|(url, meta)| {
if let Some(RelayMetadata::Write) = meta {
Some(url.to_string())
} else {
None
}
})
.collect();
let both = nip65_list
.iter()
.filter_map(|(url, meta)| {
if meta.is_none() {
Some(url.to_string())
} else {
None
}
})
.collect();
Ok(Relays {
connected: connected_relays,
read: Some(read),
write: Some(write),
both: Some(both),
})
} else {
Ok(Relays {
connected: connected_relays,
read: None,
write: None,
both: None,
})
}
}
Err(e) => Err(e.to_string()),
}
}
#[tauri::command]
#[specta::specta]
pub async fn connect_relay(relay: &str, state: State<'_, Nostr>) -> Result<bool, String> {
let client = &state.client;
let status = client.add_relay(relay).await.map_err(|e| e.to_string())?;
if status {
println!("Connecting to relay: {}", relay);
client
.connect_relay(relay)
.await
.map_err(|e| e.to_string())?;
}
Ok(status)
}
#[tauri::command]
#[specta::specta]
pub async fn remove_relay(relay: &str, state: State<'_, Nostr>) -> Result<bool, String> {
let client = &state.client;
client
.remove_relay(relay)
.await
.map_err(|e| e.to_string())?;
client
.disconnect_relay(relay)
.await
.map_err(|e| e.to_string())?;
Ok(true)
}
#[tauri::command]
#[specta::specta]
pub fn get_bootstrap_relays(app: tauri::AppHandle) -> Result<Vec<String>, String> {
let relays_path = app
.path()
.resolve("resources/relays.txt", BaseDirectory::Resource)
.map_err(|e| e.to_string())?;
let file = std::fs::File::open(relays_path).map_err(|e| e.to_string())?;
let reader = io::BufReader::new(file);
reader
.lines()
.collect::<Result<Vec<String>, io::Error>>()
.map_err(|e| e.to_string())
}
#[tauri::command]
#[specta::specta]
pub fn save_bootstrap_relays(relays: &str, app: tauri::AppHandle) -> Result<(), String> {
let relays_path = app
.path()
.resolve("resources/relays.txt", BaseDirectory::Resource)
.map_err(|e| e.to_string())?;
let mut file = OpenOptions::new()
.write(true)
.open(relays_path)
.map_err(|e| e.to_string())?;
file.write_all(relays.as_bytes()).map_err(|e| e.to_string())
}