mirror of
https://github.com/Syfaro/bkapi.git
synced 2024-11-05 14:44:29 +00:00
Add a client implementation.
This commit is contained in:
parent
bedac6bb05
commit
e2266a6a7d
@ -111,6 +111,77 @@ impl InjectContext for reqwest::RequestBuilder {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// The BKApi client, operating over NATS instead of HTTP.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub struct BKApiNatsClient {
|
||||||
|
client: async_nats::Client,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A hash and distance.
|
||||||
|
#[derive(serde::Serialize, serde::Deserialize)]
|
||||||
|
pub struct HashDistance {
|
||||||
|
hash: i64,
|
||||||
|
distance: u32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl BKApiNatsClient {
|
||||||
|
const NATS_SUBJECT: &str = "bkapi.search";
|
||||||
|
|
||||||
|
/// Create a new client with a given NATS client.
|
||||||
|
pub fn new(client: async_nats::Client) -> Self {
|
||||||
|
Self { client }
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Search for a single hash.
|
||||||
|
pub async fn search(
|
||||||
|
&self,
|
||||||
|
hash: i64,
|
||||||
|
distance: i32,
|
||||||
|
) -> Result<SearchResults, async_nats::Error> {
|
||||||
|
let hashes = [HashDistance {
|
||||||
|
hash,
|
||||||
|
distance: distance as u32,
|
||||||
|
}];
|
||||||
|
|
||||||
|
self.search_many(&hashes)
|
||||||
|
.await
|
||||||
|
.map(|mut results| results.remove(0))
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Search many hashes at once.
|
||||||
|
pub async fn search_many(
|
||||||
|
&self,
|
||||||
|
hashes: &[HashDistance],
|
||||||
|
) -> Result<Vec<SearchResults>, async_nats::Error> {
|
||||||
|
let payload = serde_json::to_vec(hashes).unwrap();
|
||||||
|
|
||||||
|
let message = self
|
||||||
|
.client
|
||||||
|
.request(Self::NATS_SUBJECT.to_string(), payload.into())
|
||||||
|
.await?;
|
||||||
|
|
||||||
|
let results: Vec<Vec<HashDistance>> = serde_json::from_slice(&message.payload).unwrap();
|
||||||
|
|
||||||
|
let results = results
|
||||||
|
.into_iter()
|
||||||
|
.zip(hashes)
|
||||||
|
.map(|(results, search)| SearchResults {
|
||||||
|
hash: search.hash,
|
||||||
|
distance: search.distance as u64,
|
||||||
|
hashes: results
|
||||||
|
.into_iter()
|
||||||
|
.map(|result| SearchResult {
|
||||||
|
hash: result.hash,
|
||||||
|
distance: result.distance as u64,
|
||||||
|
})
|
||||||
|
.collect(),
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
Ok(results)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#[cfg(test)]
|
#[cfg(test)]
|
||||||
mod tests {
|
mod tests {
|
||||||
fn get_test_endpoint() -> String {
|
fn get_test_endpoint() -> String {
|
||||||
|
Loading…
Reference in New Issue
Block a user