spotify_cli/cache/
search.rs

1use std::fs;
2use std::path::PathBuf;
3
4use serde::{Deserialize, Serialize};
5
6use crate::domain::search::SearchResults;
7use crate::error::Result;
8
9/// JSON-backed cache for the last search results.
10#[derive(Debug, Clone)]
11pub struct SearchStore {
12    path: PathBuf,
13}
14
15impl SearchStore {
16    pub fn new(path: PathBuf) -> Self {
17        Self { path }
18    }
19
20    pub fn load(&self) -> Result<Option<CachedSearch>> {
21        if !self.path.exists() {
22            return Ok(None);
23        }
24        let contents = fs::read_to_string(&self.path)?;
25        let cached = serde_json::from_str(&contents)?;
26        Ok(Some(cached))
27    }
28
29    pub fn save(&self, cached: &CachedSearch) -> Result<()> {
30        let payload = serde_json::to_string_pretty(cached)?;
31        fs::write(&self.path, payload)?;
32        Ok(())
33    }
34}
35
36/// Cached search entry persisted on disk.
37#[derive(Debug, Clone, Serialize, Deserialize)]
38pub struct CachedSearch {
39    pub query: String,
40    pub results: SearchResults,
41}
42
43#[cfg(test)]
44mod tests {
45    use super::{CachedSearch, SearchStore};
46    use crate::domain::search::{SearchResults, SearchType};
47    use std::fs;
48    use std::path::PathBuf;
49
50    fn temp_path(name: &str) -> PathBuf {
51        let mut path = std::env::temp_dir();
52        let stamp = std::time::SystemTime::now()
53            .duration_since(std::time::UNIX_EPOCH)
54            .unwrap()
55            .as_nanos();
56        path.push(format!("spotify-cli-{name}-{stamp}.json"));
57        path
58    }
59
60    #[test]
61    fn search_store_round_trip() {
62        let path = temp_path("search");
63        let store = SearchStore::new(path.clone());
64        let cached = CachedSearch {
65            query: "boards".to_string(),
66            results: SearchResults {
67                kind: SearchType::Track,
68                items: Vec::new(),
69            },
70        };
71        store.save(&cached).expect("save");
72        let loaded = store.load().expect("load").expect("cached");
73        assert_eq!(loaded.query, "boards");
74        assert_eq!(loaded.results.kind, SearchType::Track);
75        let _ = fs::remove_file(path);
76    }
77}