65 lines
2.0 KiB
Rust
65 lines
2.0 KiB
Rust
// Copyright (C) 2025-2026 Emilis Bliūdžius
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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use core::fmt::Display;
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use std::{io::Write, path::PathBuf};
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use thiserror::Error;
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use werewolves_proto::game::Game;
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pub trait Saver: Clone + Send + 'static {
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type Error: Display;
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fn save(&mut self, game: &Game) -> Result<String, Self::Error>;
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}
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#[derive(Debug, Error)]
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pub enum FileSaverError {
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#[error("io error: {0}")]
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IoError(std::io::Error),
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#[error("serialization error: {0}")]
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SerializationError(#[from] ron::Error),
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}
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impl From<std::io::Error> for FileSaverError {
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fn from(value: std::io::Error) -> Self {
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Self::IoError(value)
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}
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}
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#[derive(Debug, Clone)]
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pub struct FileSaver {
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path: PathBuf,
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}
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impl FileSaver {
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pub const fn new(path: PathBuf) -> Self {
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Self { path }
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}
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}
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impl Saver for FileSaver {
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type Error = FileSaverError;
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fn save(&mut self, game: &Game) -> Result<String, Self::Error> {
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let name = format!("werewolves_{}.ron", chrono::Utc::now().timestamp());
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let path = self.path.join(name.clone());
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let mut file = std::fs::File::create_new(path.clone())?;
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// serde_json::to_writer_pretty(&mut file, &game)?;
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ron::ser::to_writer_pretty(&mut file, &game.story(), ron::ser::PrettyConfig::new())?;
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file.flush()?;
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Ok(path.to_str().map(|s| s.to_string()).unwrap_or(name))
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}
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}
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