50 lines
1.2 KiB
Rust
50 lines
1.2 KiB
Rust
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use std::{
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fs,
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io::{self, Write},
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path::Path,
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};
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use log::{debug, trace};
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use serde::{Deserialize, Serialize};
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use super::{
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cli::Cli,
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sharry::{Alias, File, Share},
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};
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#[derive(Serialize, Deserialize, Debug)]
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pub struct AppState {
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alias: Alias,
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share: Share,
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files: Vec<File>,
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}
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impl AppState {
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fn load(file_name: impl AsRef<Path>) -> io::Result<Self> {
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let content = fs::read_to_string(file_name)?;
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let state = serde_json::from_str(&content).map_err(io::Error::other)?;
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Ok(state)
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}
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fn save(&self, file_name: impl AsRef<Path>) -> io::Result<()> {
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let json = serde_json::to_string_pretty(self).map_err(io::Error::other)?;
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let mut file = fs::File::create(file_name)?;
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file.write_all(json.as_bytes())?;
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Ok(())
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}
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pub fn try_resume(args: &Cli) -> Option<Self> {
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let file_name = dirs_next::cache_dir()?
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.join("shrupl")
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.join(format!("{}.json", args.get_hash()));
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trace!("loading from {}", file_name.display());
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Self::load(&file_name)
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.inspect_err(|e| debug!("could not resume from {}: {e}", file_name.display()))
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.ok()
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}
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}
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