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|
use anyhow::Result;
use asyncgit::sync::{
diff::DiffOptions, repo_dir, RepoPathRef,
ShowUntrackedFilesConfig,
};
use ron::{
de::from_bytes,
ser::{to_string_pretty, PrettyConfig},
};
use serde::{Deserialize, Serialize};
use std::{
cell::RefCell,
fs::File,
io::{Read, Write},
path::PathBuf,
rc::Rc,
};
#[derive(Default, Clone, Serialize, Deserialize)]
struct OptionsData {
pub tab: usize,
pub diff: DiffOptions,
pub status_show_untracked: Option<ShowUntrackedFilesConfig>,
pub commit_msgs: Vec<String>,
}
const COMMIT_MSG_HISTRY_LENGTH: usize = 20;
#[derive(Clone)]
pub struct Options {
repo: RepoPathRef,
data: OptionsData,
}
pub type SharedOptions = Rc<RefCell<Options>>;
impl Options {
pub fn new(repo: RepoPathRef) -> SharedOptions {
Rc::new(RefCell::new(Self {
data: Self::read(&repo).unwrap_or_default(),
repo,
}))
}
pub fn set_current_tab(&mut self, tab: usize) {
self.data.tab = tab;
self.save();
}
pub const fn current_tab(&self) -> usize {
self.data.tab
}
pub const fn diff_options(&self) -> DiffOptions {
self.data.diff
}
pub const fn status_show_untracked(
&self,
) -> Option<ShowUntrackedFilesConfig> {
self.data.status_show_untracked
}
pub fn set_status_show_untracked(
&mut self,
value: Option<ShowUntrackedFilesConfig>,
) {
self.data.status_show_untracked = value;
self.save();
}
pub fn diff_context_change(&mut self, increase: bool) {
self.data.diff.context = if increase {
self.data.diff.context.saturating_add(1)
} else {
self.data.diff.context.saturating_sub(1)
};
self.save();
}
pub fn diff_hunk_lines_change(&mut self, increase: bool) {
self.data.diff.interhunk_lines = if increase {
self.data.diff.interhunk_lines.saturating_add(1)
} else {
self.data.diff.interhunk_lines.saturating_sub(1)
};
self.save();
}
pub fn diff_toggle_whitespace(&mut self) {
self.data.diff.ignore_whitespace =
!self.data.diff.ignore_whitespace;
self.save();
}
pub fn add_commit_msg(&mut self, msg: &str) {
self.data.commit_msgs.push(msg.to_owned());
while self.data.commit_msgs.len() > COMMIT_MSG_HISTRY_LENGTH {
self.data.commit_msgs.remove(0);
}
self.save();
}
pub fn has_commit_msg_history(&self) -> bool {
!self.data.commit_msgs.is_empty()
}
pub fn commit_msg(&self, idx: usize) -> Option<String> {
if self.data.commit_msgs.is_empty() {
None
} else {
let entries = self.data.commit_msgs.len();
let mut index = idx;
while index >= entries {
index -= entries;
}
index = entries.saturating_sub(1) - index;
Some(self.data.commit_msgs[index].to_string())
}
}
fn save(&self) {
if let Err(e) = self.save_failable() {
log::error!("options save error: {}", e);
}
}
fn read(repo: &RepoPathRef) -> Result<OptionsData> {
let dir = Self::options_file(repo)?;
let mut f = File::open(dir)?;
let mut buffer = Vec::new();
f.read_to_end(&mut buffer)?;
Ok(from_bytes(&buffer)?)
}
//TODO: fix once FP in clippy is fixed
#[allow(clippy::needless_borrow)]
fn save_failable(&self) -> Result<()> {
let dir = Self::options_file(&self.repo)?;
let mut file = File::create(dir)?;
let data =
to_string_pretty(&self.data, PrettyConfig::default())?;
file.write_all(data.as_bytes())?;
Ok(())
}
fn options_file(repo: &RepoPathRef) -> Result<PathBuf> {
let dir = repo_dir(&repo.borrow())?;
let dir = dir.join("gitui");
Ok(dir)
}
}
|
