Files
coop/crates/app/src/views/relays.rs
T
2025-03-12 16:44:44 +07:00

354 lines
13 KiB
Rust

use anyhow::{anyhow, Error};
use global::{constants::NEW_MESSAGE_SUB_ID, get_client};
use gpui::{
div, prelude::FluentBuilder, px, uniform_list, App, AppContext, Context, Entity, FocusHandle,
InteractiveElement, IntoElement, ParentElement, Render, Styled, Subscription, Task, TextAlign,
Window,
};
use nostr_sdk::prelude::*;
use smallvec::{smallvec, SmallVec};
use ui::{
button::{Button, ButtonVariants},
input::{InputEvent, TextInput},
theme::{scale::ColorScaleStep, ActiveTheme},
ContextModal, IconName, Sizable,
};
use crate::device::Device;
const MESSAGE: &str = "In order to receive messages from others, you need to setup Messaging Relays. You can use the recommend relays or add more.";
const HELP_TEXT: &str = "Please add some relays.";
pub fn init(window: &mut Window, cx: &mut App) -> Entity<Relays> {
Relays::new(window, cx)
}
pub struct Relays {
relays: Entity<Vec<RelayUrl>>,
input: Entity<TextInput>,
focus_handle: FocusHandle,
is_loading: bool,
#[allow(dead_code)]
subscriptions: SmallVec<[Subscription; 1]>,
}
impl Relays {
pub fn new(window: &mut Window, cx: &mut App) -> Entity<Self> {
let client = get_client();
let relays = cx.new(|cx| {
let relays = vec![
RelayUrl::parse("wss://auth.nostr1.com").unwrap(),
RelayUrl::parse("wss://relay.0xchat.com").unwrap(),
];
let task: Task<Result<Vec<RelayUrl>, Error>> = cx.background_spawn(async move {
let signer = client.signer().await?;
let public_key = signer.get_public_key().await?;
let filter = Filter::new()
.kind(Kind::InboxRelays)
.author(public_key)
.limit(1);
if let Some(event) = client.database().query(filter).await?.first_owned() {
let relays = event
.tags
.filter_standardized(TagKind::Relay)
.filter_map(|t| match t {
TagStandard::Relay(url) => Some(url.to_owned()),
_ => None,
})
.collect::<Vec<_>>();
Ok(relays)
} else {
Err(anyhow!("Messaging Relays not found."))
}
});
cx.spawn(|this, cx| async move {
if let Ok(relays) = task.await {
_ = cx.update(|cx| {
_ = this.update(cx, |this: &mut Vec<RelayUrl>, cx| {
*this = relays;
cx.notify();
});
});
}
})
.detach();
relays
});
let input = cx.new(|cx| {
TextInput::new(window, cx)
.text_size(ui::Size::XSmall)
.small()
.placeholder("wss://example.com")
});
cx.new(|cx| {
let mut subscriptions = smallvec![];
subscriptions.push(cx.subscribe_in(
&input,
window,
move |this: &mut Relays, _, input_event, window, cx| {
if let InputEvent::PressEnter = input_event {
this.add(window, cx);
}
},
));
Self {
relays,
input,
subscriptions,
is_loading: false,
focus_handle: cx.focus_handle(),
}
})
}
pub fn update(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let relays = self.relays.read(cx).clone();
let window_handle = window.window_handle();
// Show loading spinner
self.set_loading(true, cx);
let task: Task<Result<EventId, Error>> = cx.background_spawn(async move {
let client = get_client();
let signer = client.signer().await?;
let public_key = signer.get_public_key().await?;
// If user didn't have any NIP-65 relays, add default ones
if client.database().relay_list(public_key).await?.is_empty() {
let builder = EventBuilder::relay_list(vec![
(RelayUrl::parse("wss://relay.damus.io/").unwrap(), None),
(RelayUrl::parse("wss://relay.primal.net/").unwrap(), None),
]);
if let Err(e) = client.send_event_builder(builder).await {
log::error!("Failed to send relay list event: {}", e);
}
}
let tags: Vec<Tag> = relays
.iter()
.map(|relay| Tag::custom(TagKind::Relay, vec![relay.to_string()]))
.collect();
let builder = EventBuilder::new(Kind::InboxRelays, "").tags(tags);
let output = client.send_event_builder(builder).await?;
// Connect to messaging relays
for relay in relays.into_iter() {
_ = client.add_relay(&relay).await;
_ = client.connect_relay(&relay).await;
}
let sub_id = SubscriptionId::new(NEW_MESSAGE_SUB_ID);
// Close old subscription
client.unsubscribe(&sub_id).await;
// Subscribe to new messages
if let Err(e) = client
.subscribe_with_id(
sub_id,
Filter::new()
.kind(Kind::GiftWrap)
.pubkey(public_key)
.limit(0),
None,
)
.await
{
log::error!("Failed to subscribe to new messages: {}", e);
}
Ok(output.val)
});
cx.spawn(|this, mut cx| async move {
if task.await.is_ok() {
cx.update_window(window_handle, |_, window, cx| {
_ = this.update(cx, |this, cx| {
this.set_loading(false, cx);
cx.notify();
});
if let Some(device) = Device::global(cx) {
let relays = this
.read_with(cx, |this, cx| this.relays.read(cx).clone())
.unwrap();
device.update(cx, |this, cx| {
if let Some(profile) = this.profile() {
let new_profile = profile.clone().relays(Some(relays.into()));
this.set_profile(new_profile, cx);
}
})
}
window.close_modal(cx);
})
.ok();
}
})
.detach();
}
pub fn loading(&self) -> bool {
self.is_loading
}
fn set_loading(&mut self, status: bool, cx: &mut Context<Self>) {
self.is_loading = status;
cx.notify();
}
fn add(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let value = self.input.read(cx).text().to_string();
if !value.starts_with("ws") {
return;
}
if let Ok(url) = RelayUrl::parse(&value) {
self.relays.update(cx, |this, cx| {
if !this.contains(&url) {
this.push(url);
cx.notify();
}
});
self.input.update(cx, |this, cx| {
this.set_text("", window, cx);
});
}
}
fn remove(&mut self, ix: usize, _window: &mut Window, cx: &mut Context<Self>) {
self.relays.update(cx, |this, cx| {
this.remove(ix);
cx.notify();
});
}
}
impl Render for Relays {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
div()
.track_focus(&self.focus_handle)
.flex()
.flex_col()
.gap_2()
.w_full()
.child(
div()
.px_2()
.text_xs()
.text_color(cx.theme().base.step(cx, ColorScaleStep::ELEVEN))
.child(MESSAGE),
)
.child(
div()
.px_2()
.w_full()
.flex()
.flex_col()
.gap_2()
.child(
div()
.flex()
.items_center()
.w_full()
.gap_2()
.child(self.input.clone())
.child(
Button::new("add_relay_btn")
.icon(IconName::Plus)
.small()
.rounded(px(cx.theme().radius))
.on_click(
cx.listener(|this, _, window, cx| this.add(window, cx)),
),
),
)
.map(|this| {
let view = cx.entity();
let relays = self.relays.read(cx).clone();
let total = relays.len();
if !relays.is_empty() {
this.child(
uniform_list(
view,
"relays",
total,
move |_, range, _window, cx| {
let mut items = Vec::new();
for ix in range {
let item = relays.get(ix).unwrap().clone().to_string();
items.push(
div().group("").w_full().h_9().py_0p5().child(
div()
.px_2()
.h_full()
.w_full()
.flex()
.items_center()
.justify_between()
.rounded(px(cx.theme().radius))
.bg(cx
.theme()
.base
.step(cx, ColorScaleStep::THREE))
.text_xs()
.child(item)
.child(
Button::new("remove_{ix}")
.icon(IconName::Close)
.xsmall()
.ghost()
.invisible()
.group_hover("", |this| {
this.visible()
})
.on_click(cx.listener(
move |this, _, window, cx| {
this.remove(ix, window, cx)
},
)),
),
),
)
}
items
},
)
.w_full()
.min_h(px(120.)),
)
} else {
this.h_20()
.mb_2()
.flex()
.items_center()
.justify_center()
.text_xs()
.text_align(TextAlign::Center)
.child(HELP_TEXT)
}
}),
)
}
}