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/*
Hurry Curry! - a game about cooking
Copyright 2024 metamuffin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use anyhow::Result;
use directories::ProjectDirs;
use hurrycurry_protocol::Score;
use log::warn;
use serde::{Deserialize, Serialize};
use std::{cmp::Reverse, collections::HashMap};
use tokio::{
fs::{create_dir_all, read_to_string, rename, File},
io::AsyncWriteExt,
};
#[derive(Debug, Serialize, Deserialize, Clone, Default)]
pub struct ScoreboardStore {
maps: HashMap<String, Scoreboard>,
}
#[derive(Debug, Serialize, Deserialize, Clone, Default)]
pub struct Scoreboard {
pub plays: usize,
pub best: Vec<ScoreboardEntry>,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ScoreboardEntry {
pub players: Vec<String>,
pub score: Score,
}
fn project_dirs() -> Option<ProjectDirs> {
ProjectDirs::from("org", "hurrycurry", "hurrycurry")
}
impl ScoreboardStore {
pub async fn load() -> Result<Self> {
let Some(dir) = project_dirs() else {
warn!("scoreboard load skipped; no data dir for this platform");
return Ok(Self::default());
};
// TOCTOU because its easier that way
let path = dir.data_dir().join("scoreboards.json");
if !path.exists() {
create_dir_all(dir.data_dir()).await?;
ScoreboardStore::default().save().await?;
}
let s = read_to_string(path).await?;
Ok(serde_json::from_str(&s)?)
}
pub async fn save(&self) -> Result<()> {
let Some(dir) = project_dirs() else {
warn!("scoreboard save skipped; no data dir for this platform");
return Ok(());
};
let path = dir.data_dir().join("scoreboards.json");
let buffer_path = dir.data_dir().join("scoreboards.json~");
File::create(&buffer_path)
.await?
.write_all(serde_json::to_string(self)?.as_bytes())
.await?;
rename(buffer_path, path).await?;
Ok(())
}
pub fn get<'a>(&'a self, map: &str) -> Option<&'a Scoreboard> {
self.maps.get(map)
}
pub fn insert(&mut self, map: &str, players: Vec<String>, score: Score) {
let b = self.maps.entry(map.to_owned()).or_default();
b.plays += 1;
b.best.push(ScoreboardEntry { players, score });
b.best.sort_by_key(|e| Reverse(e.score.points));
while b.best.len() > 16 {
b.best.pop();
}
}
}
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