gveditor_core_api/state_persistors/
file.rs

1use std::fs;
2use std::path::PathBuf;
3
4use crate::state::StateData;
5
6use super::Persistor;
7
8/// File state persistor
9#[derive(Clone)]
10pub struct FilePersistor {
11    path: PathBuf,
12}
13
14impl FilePersistor {
15    pub fn new(path: PathBuf) -> Self {
16        Self { path }
17    }
18}
19
20/// Note: I am opening the file on every read and write operation to avoid blocking when multiple states are using the same file (e.g. in the Desktop app situation with multiple windows windows)
21impl Persistor for FilePersistor {
22    fn load(&mut self) -> StateData {
23        let file_content = fs::read_to_string(&self.path).expect("Failed to read file");
24        serde_json::from_str(&file_content).unwrap_or_default()
25    }
26
27    fn save(&mut self, state: &StateData) {
28        let file_content = serde_json::to_string(&state).unwrap();
29        fs::write(&self.path, file_content.as_bytes()).unwrap();
30    }
31}

gveditor_core_api/state_persistors/file.rs

gveditor_core_api/state_persistors/
file.rs