50 lines
1.5 KiB
Rust
50 lines
1.5 KiB
Rust
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// SPDX-License-Identifier: GPL-3.0-or-later
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// src/document/store.rs
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//
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// RON-based persistence for session data: load and save session lists.
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//
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// For the session concept and the meaning of each field see `session.rs`.
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//
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// On disk a session file contains a RON list of SessionData records:
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//
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// [
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// (
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// name: "Pictures",
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// kind: DirectoryBrowser,
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// path: Some("/home/user/Pictures"),
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// items: [],
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// current_index: None,
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// ),
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// (
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// name: "Project Docs",
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// kind: DocumentCollection,
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// path: None,
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// items: [
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// (path: "/home/user/docs/spec.pdf", page_index: 0),
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// (path: "/home/user/docs/notes.pdf", page_index: 2),
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// ],
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// current_index: Some(0),
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// ),
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// ]
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use crate::document::session::SessionData;
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use crate::error::{Error, Result};
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use std::path::Path;
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/// Loads all sessions from a RON file.
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pub fn load_sessions(path: &Path) -> Result<Vec<SessionData>> {
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let content = std::fs::read_to_string(path).map_err(Error::Io)?;
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ron::from_str(&content)
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.map_err(|e| Error::Session(format!("Failed to parse session file {:?}: {}", path, e)))
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}
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/// Saves all sessions to a RON file.
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#[allow(dead_code)]
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pub fn save_sessions(path: &Path, sessions: &[SessionData]) -> Result<()> {
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let content = ron::ser::to_string_pretty(sessions, ron::ser::PrettyConfig::default())
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.map_err(|e| Error::Session(format!("Failed to serialize sessions: {}", e)))?;
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std::fs::write(path, content).map_err(Error::Io)
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}
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