Pr/delete popup

src/main.rs

@@ -2,6 +2,7 @@ pub mod searchable;
 pub mod ssh;
 pub mod ssh_config;
 pub mod ui;
+pub mod window;
 
 use anyhow::Result;
 use clap::Parser;

src/searchable.rs

@@ -60,6 +60,10 @@ where
     pub fn iter(&self) -> std::slice::Iter<T> {
         self.filtered.iter()
     }
+
+    pub fn items(&self) -> Vec<T> {
+        self.vec.clone()
+    }
 }
 
 impl<'a, T> IntoIterator for &'a Searchable<T>

src/ssh.rs

@@ -48,6 +48,32 @@ impl Host {
     }
 }
 
+impl std::fmt::Display for Host {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if self.aliases.is_empty() {
+            writeln!(f, "Host {}", self.name)?;
+        } else {
+            writeln!(f, "Host {} {}", self.name, self.aliases)?;
+        }
+
+        writeln!(f, "    HostName {}", self.destination)?;
+
+        if let Some(user) = &self.user {
+            writeln!(f, "    User {}", user)?;
+        }
+
+        if let Some(port) = &self.port {
+            writeln!(f, "    Port {}", port)?;
+        }
+
+        if let Some(proxy) = &self.proxy_command {
+            writeln!(f, "    ProxyCommand {}", proxy)?;
+        }
+
+        Ok(())
+    }
+}
+
 #[derive(Debug)]
 pub enum ParseConfigError {
     Io(std::io::Error),

src/ssh_config/parser.rs

@@ -1,10 +1,13 @@
+use anyhow::Result;
 use glob::glob;
 use std::fs::File;
-use std::io::BufRead;
-use std::io::BufReader;
+use std::fs::OpenOptions;
+use std::io::{BufRead, BufReader, Write};
 use std::path::Path;
 use std::str::FromStr;
 
+use crate::ssh;
+
 use super::host::Entry;
 use super::parser_error::InvalidIncludeError;
 use super::parser_error::InvalidIncludeErrorDetails;
@@ -57,6 +60,20 @@ impl Parser {
         Ok(hosts)
     }
 
+    pub fn save_into_file(hosts: Vec<ssh::Host>, path: &str) -> Result<()> {
+        let normalized_path = shellexpand::tilde(&path).to_string();
+        let path = std::fs::canonicalize(normalized_path)?;
+
+        let mut file = OpenOptions::new().write(true).truncate(true).open(path)?;
+
+        for host in hosts {
+            writeln!(file, "{}", host)?;
+            writeln!(file)?;
+        }
+
+        Ok(())
+    }
+
     fn parse_raw(&self, reader: &mut impl BufRead) -> Result<(Host, Vec<Host>), ParseError> {
         let mut parent_host = Host::new(Vec::new());
         let mut hosts = Vec::new();

src/ui.rs

@@ -22,9 +22,16 @@ use tui_input::backend::crossterm::EventHandler;
 use tui_input::Input;
 use unicode_width::UnicodeWidthStr;
 
-use crate::{searchable::Searchable, ssh};
+use crate::{
+    searchable::Searchable,
+    ssh::{self},
+    window::{
+        delete::OnKeyPressData as DeletePopupWindowOnKeyPressData,
+        delete::ShowData as DeletePopupWindowShowData, DeletePopupWindow, PopupWindow,
+    },
+};
 
-const INFO_TEXT: &str = "(Esc) quit | (↑) move up | (↓) move down | (enter) select";
+const INFO_TEXT: &str = "(Esc) quit | (↑) move up | (↓) move down | (enter) select | (Del) delete";
 
 #[derive(Clone)]
 pub struct AppConfig {
@@ -46,14 +53,15 @@ pub struct App {
     search: Input,
 
     table_state: TableState,
-    hosts: Searchable<ssh::Host>,
     table_columns_constraints: Vec<Constraint>,
 
-    palette: tailwind::Palette,
+    pub(crate) hosts: Searchable<ssh::Host>,
+    pub(crate) palette: tailwind::Palette,
+    pub(crate) delete_popup_window: DeletePopupWindow,
 }
 
 #[derive(PartialEq)]
-enum AppKeyAction {
+pub enum AppKeyAction {
     Ok,
     Stop,
     Continue,
@@ -103,7 +111,7 @@ impl App {
             palette: tailwind::BLUE,
 
             hosts: Searchable::new(
-                hosts,
+                hosts.clone(),
                 &search_input,
                 move |host: &&ssh::Host, search_value: &str| -> bool {
                     search_value.is_empty()
@@ -114,6 +122,8 @@ impl App {
                         || matcher.fuzzy_match(&host.aliases, search_value).is_some()
                 },
             ),
+
+            delete_popup_window: DeletePopupWindow::default(),
         };
         app.calculate_table_columns_constraints();
 
@@ -161,8 +171,10 @@ impl App {
                     }
                 }
 
-                self.search.handle_event(&ev);
-                self.hosts.search(self.search.value());
+                if !self.delete_popup_window.is_active() {
+                    self.search.handle_event(&ev);
+                    self.hosts.search(self.search.value());
+                }
 
                 let selected = self.table_state.selected().unwrap_or(0);
                 if selected >= self.hosts.len() {
@@ -188,6 +200,22 @@ impl App {
         #[allow(clippy::enum_glob_use)]
         use KeyCode::*;
 
+        // If Popup Window is active `consume` key events
+        if self.delete_popup_window.is_active() {
+            let mut on_key_press_data = DeletePopupWindowOnKeyPressData::new(
+                self.config.config_paths.clone(),
+                self.hosts.items(),
+            );
+
+            let res = self
+                .delete_popup_window
+                .on_key_press(key, &mut on_key_press_data);
+
+            self.hosts = Searchable::new(on_key_press_data.hosts, "", |_, _| false);
+
+            return res;
+        }
+
         let is_ctrl_pressed = key.modifiers.contains(KeyModifiers::CONTROL);
 
         if is_ctrl_pressed {
@@ -241,6 +269,16 @@ impl App {
                     return Ok(AppKeyAction::Stop);
                 }
             }
+            Delete => {
+                let host_to_delete_index = self.table_state.selected().unwrap_or(0);
+                let host_to_delete = self.hosts[host_to_delete_index].clone();
+                self.delete_popup_window
+                    .show(DeletePopupWindowShowData::new(
+                        self.hosts.items(),
+                        host_to_delete_index,
+                        host_to_delete,
+                    ));
+            }
             _ => return Ok(AppKeyAction::Continue),
         }
 
@@ -422,11 +460,13 @@ fn ui(f: &mut Frame, app: &mut App) {
     .split(f.area());
 
     render_searchbar(f, app, rects[0]);
-
     render_table(f, app, rects[1]);
-
     render_footer(f, app, rects[2]);
 
+    if app.delete_popup_window.is_active() {
+        app.delete_popup_window.render(f);
+    }
+
     let mut cursor_position = rects[0].as_position();
     cursor_position.x += u16::try_from(app.search.cursor()).unwrap_or_default() + 4;
     cursor_position.y += 1;