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use crate::chunk::DataChunk;
use crate::chunkid::ChunkId;
use crate::chunkmeta::ChunkMeta;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::default::Default;
/// Result of creating a chunk.
#[derive(Debug, Serialize)]
pub struct Created {
id: ChunkId,
}
impl Created {
pub fn new(id: ChunkId) -> Self {
Created { id }
}
pub fn to_json(&self) -> String {
serde_json::to_string(&self).unwrap()
}
}
/// Result of retrieving a chunk.
#[derive(Debug, Serialize)]
pub struct Fetched {
id: ChunkId,
chunk: DataChunk,
}
impl Fetched {
pub fn new(id: ChunkId, chunk: DataChunk) -> Self {
Fetched { id, chunk }
}
pub fn to_json(&self) -> String {
serde_json::to_string(&self).unwrap()
}
}
/// Result of a search.
#[derive(Debug, Default, PartialEq, Deserialize, Serialize)]
pub struct SearchHits {
map: HashMap<String, ChunkMeta>,
}
impl SearchHits {
pub fn insert(&mut self, id: ChunkId, meta: ChunkMeta) {
self.map.insert(id.to_string(), meta);
}
pub fn from_json(s: &str) -> anyhow::Result<Self> {
let map = serde_json::from_str(s)?;
Ok(SearchHits { map })
}
pub fn to_json(&self) -> String {
serde_json::to_string(&self.map).unwrap()
}
}
#[cfg(test)]
mod test_search_hits {
use super::{ChunkMeta, SearchHits};
#[test]
fn no_search_hits() {
let hits = SearchHits::default();
assert_eq!(hits.to_json(), "{}");
}
#[test]
fn one_search_hit() {
let id = "abc".parse().unwrap();
let meta = ChunkMeta::new("123");
let mut hits = SearchHits::default();
hits.insert(id, meta);
eprintln!("hits: {:?}", hits);
let json = hits.to_json();
let hits2 = SearchHits::from_json(&json).unwrap();
assert_eq!(hits, hits2);
}
}
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