src/commands/reload_dir.rs


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use std::collections::hash_map::Entry;

use crate::commands::{JoshutoCommand, JoshutoRunnable};
use crate::context::JoshutoContext;
use crate::error::JoshutoResult;
use crate::fs::JoshutoDirList;
use crate::ui::TuiBackend;

#[derive(Clone, Debug)]
pub struct ReloadDirList;

impl ReloadDirList {
    pub fn new() -> Self {
        ReloadDirList
    }
    pub const fn command() -> &'static str {
        "reload_dir_list"
    }

    pub fn reload(index: usize, context: &mut JoshutoContext) -> std::io::Result<()> {
        let curr_tab = &mut context.tabs[index];
        let sort_option = &context.config_t.sort_option;
        curr_tab.curr_list.reload_contents(sort_option)?;

        if let Some(parent) = curr_tab.curr_list.file_path().parent() {
            match curr_tab.history.entry(parent.to_path_buf().clone()) {
                Entry::Occupied(mut entry) => {
                    let dirlist = entry.get_mut();
                    dirlist.reload_contents(sort_option)?;
                }
                Entry::Vacant(entry) => {
                    let mut s = JoshutoDirList::new(parent.to_path_buf().clone(), &sort_option)?;
                    s.sort(sort_option.compare_func());
                    entry.insert(s);
                }
            }
        }
        Ok(())
    }
}

impl JoshutoCommand for ReloadDirList {}

impl std::fmt::Display for ReloadDirList {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        f.write_str(Self::command())
    }
}

impl JoshutoRunnable for ReloadDirList {
    fn execute(&self, context: &mut JoshutoContext, backend: &mut TuiBackend) -> JoshutoResult<()> {
        Self::reload(context.curr_tab_index, context)?;
        Ok(())
    }
}