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use anyhow::{Context, Result, bail};
use ngit::{
client::{
Params, get_issues_from_cache, get_proposals_and_revisions_from_cache, send_events,
sign_event,
},
git_events::KIND_COMMENT,
};
use nostr::{EventBuilder, Tag, nips::nip19::Nip19};
use nostr_sdk::{EventId, FromBech32, Kind};
use crate::{
client::{Client, Connect, fetching_with_report, get_repo_ref_from_cache},
git::{Repo, RepoActions},
login,
repo_ref::get_repo_coordinates_when_remote_unknown,
};
fn parse_event_id(id: &str) -> Result<EventId> {
if let Ok(nip19) = Nip19::from_bech32(id) {
match nip19 {
nostr::nips::nip19::Nip19::Event(e) => return Ok(e.event_id),
nostr::nips::nip19::Nip19::EventId(event_id) => return Ok(event_id),
_ => {}
}
}
if let Ok(event_id) = EventId::from_hex(id) {
return Ok(event_id);
}
bail!("invalid event-id or nevent: {id}")
}
/// Build and publish a NIP-22 kind-1111 comment on any event.
///
/// NIP-22 threading tags:
/// - uppercase `E` — root event id
/// - uppercase `K` — root event kind (as string)
/// - lowercase `e` — parent event id (same as root for top-level comments)
/// - lowercase `k` — parent event kind
async fn publish_comment(
id: &str,
body: &str,
offline: bool,
root_kind: Kind,
entity_name: &str,
) -> Result<()> {
let event_id = parse_event_id(id)?;
let git_repo = Repo::discover().context("failed to find a git repository")?;
let git_repo_path = git_repo.get_path()?;
let client = Client::new(Params::with_git_config_relay_defaults(&Some(&git_repo)));
let repo_coordinates = get_repo_coordinates_when_remote_unknown(&git_repo, &client).await?;
if !offline {
fetching_with_report(git_repo_path, &client, &repo_coordinates).await?;
}
let repo_ref = get_repo_ref_from_cache(Some(git_repo_path), &repo_coordinates).await?;
// Login
let (signer, user_ref, _) =
login::login_or_signup(&Some(&git_repo), &None, &None, Some(&client), true).await?;
let root_kind_str = root_kind.as_u16().to_string();
// NIP-22: uppercase E = root event, uppercase K = root kind,
// lowercase e = parent event (same as root for top-level),
// lowercase k = parent kind
let comment_event = sign_event(
EventBuilder::new(KIND_COMMENT, body).tags(vec![
// Root event (uppercase E)
Tag::parse(vec![
"E".to_string(),
event_id.to_hex(),
repo_ref
.relays
.first()
.map(ToString::to_string)
.unwrap_or_default(),
String::new(), // root marker
])?,
// Root kind (uppercase K)
Tag::parse(vec!["K".to_string(), root_kind_str.clone()])?,
// Parent event (lowercase e, same as root for top-level comment)
Tag::parse(vec![
"e".to_string(),
event_id.to_hex(),
repo_ref
.relays
.first()
.map(ToString::to_string)
.unwrap_or_default(),
"reply".to_string(),
])?,
// Parent kind (lowercase k)
Tag::parse(vec!["k".to_string(), root_kind_str])?,
]),
&signer,
format!("comment on {entity_name}"),
)
.await?;
let mut client = client;
client.set_signer(signer).await;
send_events(
&client,
Some(git_repo_path),
vec![comment_event],
user_ref.relays.write(),
repo_ref.relays.clone(),
true,
false,
)
.await?;
println!(
"comment posted on {entity_name} {}",
&event_id.to_hex()[..8]
);
Ok(())
}
pub async fn launch_pr_comment(id: &str, body: &str, offline: bool) -> Result<()> {
// Verify the PR exists in cache
let event_id = parse_event_id(id)?;
let git_repo = Repo::discover().context("failed to find a git repository")?;
let git_repo_path = git_repo.get_path()?;
let client = Client::new(Params::with_git_config_relay_defaults(&Some(&git_repo)));
let repo_coordinates = get_repo_coordinates_when_remote_unknown(&git_repo, &client).await?;
if !offline {
fetching_with_report(git_repo_path, &client, &repo_coordinates).await?;
}
let repo_ref = get_repo_ref_from_cache(Some(git_repo_path), &repo_coordinates).await?;
let proposals =
get_proposals_and_revisions_from_cache(git_repo_path, repo_ref.coordinates()).await?;
let proposal = proposals
.iter()
.find(|e| e.id == event_id)
.context(format!(
"PR with id {} not found in cache",
event_id.to_hex()
))?;
let root_kind = proposal.kind;
publish_comment(id, body, true /* already fetched */, root_kind, "PR").await
}
pub async fn launch_issue_comment(id: &str, body: &str, offline: bool) -> Result<()> {
// Verify the issue exists in cache
let event_id = parse_event_id(id)?;
let git_repo = Repo::discover().context("failed to find a git repository")?;
let git_repo_path = git_repo.get_path()?;
let client = Client::new(Params::with_git_config_relay_defaults(&Some(&git_repo)));
let repo_coordinates = get_repo_coordinates_when_remote_unknown(&git_repo, &client).await?;
if !offline {
fetching_with_report(git_repo_path, &client, &repo_coordinates).await?;
}
let repo_ref = get_repo_ref_from_cache(Some(git_repo_path), &repo_coordinates).await?;
let issues = get_issues_from_cache(git_repo_path, repo_ref.coordinates()).await?;
issues.iter().find(|e| e.id == event_id).context(format!(
"issue with id {} not found in cache",
event_id.to_hex()
))?;
publish_comment(
id,
body,
true, /* already fetched */
Kind::GitIssue,
"issue",
)
.await
}
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