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|
use anyhow::{bail, Context, Result};
use nostr::Tag;
#[cfg(not(test))]
use crate::client::Client;
use crate::client::Connect;
#[cfg(test)]
use crate::client::MockConnect;
#[derive(Default)]
pub struct RepoRef {
pub name: String,
pub description: String,
pub root_commit: String,
pub relays: Vec<String>,
// git_server: String,
// other maintainers
// code languages and hashtags
}
impl TryFrom<nostr::Event> for RepoRef {
type Error = anyhow::Error;
fn try_from(event: nostr::Event) -> Result<Self> {
if !event.kind.as_u64().eq(&REPO_REF_KIND) {
bail!("incorrect kind");
}
let mut r = Self::default();
if let Some(t) = event.tags.iter().find(|t| t.as_vec()[0].eq("name")) {
r.name = t.as_vec()[1].clone();
}
if let Some(t) = event.tags.iter().find(|t| t.as_vec()[0].eq("description")) {
r.description = t.as_vec()[1].clone();
}
if let Some(t) = event.tags.iter().find(|t| t.as_vec()[0].eq("d")) {
r.root_commit = t.as_vec()[1].clone();
}
r.relays = event
.tags
.iter()
.filter(|t| t.as_vec()[0].eq("relay"))
.map(|t| t.as_vec()[1].clone())
.collect();
Ok(r)
}
}
static REPO_REF_KIND: u64 = 300_317;
impl RepoRef {
pub fn to_event(&self, keys: &nostr::Keys) -> Result<nostr::Event> {
nostr_sdk::EventBuilder::new(
nostr::event::Kind::Custom(REPO_REF_KIND),
"",
&[
vec![
Tag::Identifier(self.root_commit.to_string()),
Tag::Reference(format!("r-{}", self.root_commit)),
Tag::Name(self.name.clone()),
Tag::Description(self.description.clone()),
],
self.relays.iter().map(|r| Tag::Relay(r.into())).collect(),
// git_servers
// other maintainers
// code languages and hashtags
]
.concat(),
)
.to_event(keys)
.context("failed to create repository reference event")
}
}
pub async fn fetch(
root_commit: String,
#[cfg(test)] client: &MockConnect,
#[cfg(not(test))] client: &Client,
// TODO: more rubust way of finding repo events
relays: Vec<String>,
) -> Result<RepoRef> {
// TODO: fetch relay information from file
let events: Vec<nostr::Event> = client
.get_events(
relays,
vec![
nostr::Filter::default()
.kind(nostr::Kind::Custom(REPO_REF_KIND))
.identifier(root_commit),
],
)
.await?;
RepoRef::try_from(
events
.iter()
.filter(|e| e.kind.as_u64() == REPO_REF_KIND)
.max_by_key(|e| e.created_at)
.context("cannot find repository reference event")?
.clone(),
)
}
#[cfg(test)]
mod tests {
use test_utils::*;
use super::*;
fn create() -> nostr::Event {
RepoRef {
name: "test name".to_string(),
description: "test description".to_string(),
root_commit: "23471389461".to_string(),
relays: vec!["ws://relay1.io".to_string(), "ws://relay2.io".to_string()],
}
.to_event(&TEST_KEY_1_KEYS)
.unwrap()
}
mod try_from {
use super::*;
#[test]
fn name() {
assert_eq!(RepoRef::try_from(create()).unwrap().name, "test name",)
}
#[test]
fn description() {
assert_eq!(
RepoRef::try_from(create()).unwrap().description,
"test description",
)
}
#[test]
fn root_commit() {
assert_eq!(
RepoRef::try_from(create()).unwrap().root_commit,
"23471389461",
)
}
#[test]
fn relays() {
assert_eq!(
RepoRef::try_from(create()).unwrap().relays,
vec!["ws://relay1.io".to_string(), "ws://relay2.io".to_string()],
)
}
}
mod to_event {
use super::*;
mod tags {
use super::*;
#[test]
fn name() {
assert!(
create()
.tags
.iter()
.any(|t| t.as_vec()[0].eq("name") && t.as_vec()[1].eq("test name"))
)
}
#[test]
fn description() {
assert!(create().tags.iter().any(
|t| t.as_vec()[0].eq("description") && t.as_vec()[1].eq("test description")
))
}
#[test]
fn root_commit_as_d_replaceable_event_identifier() {
assert!(
create()
.tags
.iter()
.any(|t| t.as_vec()[0].eq("d") && t.as_vec()[1].eq("23471389461"))
)
}
#[test]
fn root_commit_as_reference() {
assert!(
create()
.tags
.iter()
.any(|t| t.as_vec()[0].eq("r") && t.as_vec()[1].eq("r-23471389461"))
)
}
#[test]
fn relays() {
let event = create();
let relay_tags = event
.tags
.iter()
.filter(|t| t.as_vec()[0].eq("relay"))
.collect::<Vec<&nostr::Tag>>();
assert_eq!(relay_tags[0].as_vec().len(), 2);
assert_eq!(relay_tags[0].as_vec()[1], "ws://relay1.io");
assert_eq!(relay_tags[1].as_vec()[1], "ws://relay2.io");
}
#[test]
fn no_other_tags() {
assert_eq!(create().tags.len(), 6)
}
}
}
}
|