move things around, add scoreboards load/save module

1 files changed, 65 insertions, 0 deletions

diff --git a/server/src/scoreboard.rs b/server/src/scoreboard.rs
new file mode 100644
index 00000000..e7b97b8d
--- /dev/null
+++ b/server/src/scoreboard.rs
@@ -0,0 +1,65 @@
+/*
+    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 hurrycurry_protocol::Score;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use tokio::{
+    fs::{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)]
+pub struct Scoreboard {
+    plays: usize,
+    best: Vec<ScoreboardEntry>,
+}
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct ScoreboardEntry {
+    players: Vec<String>,
+    score: Score,
+}
+
+impl ScoreboardStore {
+    pub async fn load() -> Result<Self> {
+        let path =
+            xdg::BaseDirectories::with_prefix("hurrycurry")?.place_data_file("scoreboards.json")?;
+        // TOCTOU because its easier that way
+        if !path.exists() {
+            ScoreboardStore::default().save().await?;
+        }
+        let s = read_to_string(path).await?;
+        Ok(serde_json::from_str(&s)?)
+    }
+    pub async fn save(&self) -> Result<()> {
+        let path =
+            xdg::BaseDirectories::with_prefix("hurrycurry")?.place_data_file("scoreboards.json")?;
+        let buffer_path = xdg::BaseDirectories::with_prefix("hurrycurry")?
+            .place_data_file("scoreboards.json~")?;
+        File::create(&buffer_path)
+            .await?
+            .write_all(serde_json::to_string(self)?.as_bytes())
+            .await?;
+        rename(buffer_path, path).await?;
+        Ok(())
+    }
+}