| 1 | use std::{path::Path, time::Duration}; |
| 2 | |
| 3 | use crate::browser::FileBrowser; |
| 4 | use crate::connection::Connection; |
| 5 | use crate::list::ContentList; |
| 6 | use crate::ui::InputMode; |
| 7 | use crate::utils::FileExtension; |
| 8 | use mpd::{Client, Song}; |
| 9 | use ratatui::widgets::{ListState, TableState}; |
| 10 | |
| 11 | // Application result type |
| 12 | pub type AppResult<T> = std::result::Result<T, Box<dyn std::error::Error>>; |
| 13 | |
| 14 | /// Application |
| 15 | #[derive(Debug)] |
| 16 | pub struct App { |
| 17 | pub running: bool, // Check if app is running |
| 18 | pub conn: Connection, // Connection |
| 19 | pub browser: FileBrowser, // Directory browser |
| 20 | pub queue_list: ContentList<Song>, // Stores the current playing queue |
| 21 | pub pl_list: ContentList<String>, // Stores list of playlists |
| 22 | pub selected_tab: SelectedTab, // Used to switch between tabs |
| 23 | |
| 24 | // Search |
| 25 | pub inputmode: InputMode, // Defines input mode, Normal or Search |
| 26 | pub search_input: String, // Stores the userinput to be searched |
| 27 | pub search_cursor_pos: usize, // Stores the cursor position for searching |
| 28 | pub pl_newname_input: String, // Stores the new name of the playlist |
| 29 | pub pl_cursor_pos: usize, // Stores the cursor position for renaming playlist |
| 30 | |
| 31 | // playlist variables |
| 32 | // used to show playlist popup |
| 33 | pub playlist_popup: bool, |
| 34 | pub append_list: ContentList<String>, |
| 35 | |
| 36 | // Determines if the database should be updated or not |
| 37 | pub should_update_song_list: bool, |
| 38 | |
| 39 | // States |
| 40 | pub queue_state: TableState, |
| 41 | pub browser_state: TableState, |
| 42 | pub playlists_state: ListState, |
| 43 | } |
| 44 | |
| 45 | #[derive(Debug, PartialEq, Clone)] |
| 46 | pub enum SelectedTab { |
| 47 | DirectoryBrowser, |
| 48 | Queue, |
| 49 | Playlists, |
| 50 | } |
| 51 | |
| 52 | impl App { |
| 53 | pub fn builder(addrs: &str) -> AppResult<Self> { |
| 54 | let mut conn = Connection::builder(addrs)?; |
| 55 | let mut queue_list = ContentList::new(); |
| 56 | let mut pl_list = ContentList::new(); |
| 57 | |
| 58 | pl_list.list = Self::get_playlist(&mut conn.conn)?; |
| 59 | pl_list.list.sort(); |
| 60 | |
| 61 | let append_list = Self::get_append_list(&mut conn.conn)?; |
| 62 | Self::get_queue(&mut conn, &mut queue_list.list); |
| 63 | |
| 64 | let browser = FileBrowser::new(); |
| 65 | |
| 66 | let queue_state = TableState::new(); |
| 67 | let browser_state = TableState::new(); |
| 68 | let playlists_state = ListState::default(); |
| 69 | |
| 70 | Ok(Self { |
| 71 | running: true, |
| 72 | conn, |
| 73 | queue_list, |
| 74 | pl_list, |
| 75 | selected_tab: SelectedTab::Queue, |
| 76 | browser, |
| 77 | inputmode: InputMode::Normal, |
| 78 | search_input: String::new(), |
| 79 | pl_newname_input: String::new(), |
| 80 | search_cursor_pos: 0, |
| 81 | pl_cursor_pos: 0, |
| 82 | playlist_popup: false, |
| 83 | append_list, |
| 84 | should_update_song_list: false, |
| 85 | queue_state, |
| 86 | browser_state, |
| 87 | playlists_state, |
| 88 | }) |
| 89 | } |
| 90 | |
| 91 | pub fn tick(&mut self) -> AppResult<()> { |
| 92 | self.conn.update_status(); |
| 93 | self.update_queue(); |
| 94 | |
| 95 | // Deals with database update |
| 96 | if self.should_update_song_list { |
| 97 | if let None = self.conn.status.updating_db { |
| 98 | // Update the songs list |
| 99 | self.conn.songs_filenames = self |
| 100 | .conn |
| 101 | .conn |
| 102 | .listall()? |
| 103 | .into_iter() |
| 104 | .map(|x| x.file) |
| 105 | .collect(); |
| 106 | |
| 107 | self.browser.update_directory(&mut self.conn)?; |
| 108 | |
| 109 | self.should_update_song_list = false; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | Ok(()) |
| 114 | } |
| 115 | |
| 116 | pub fn quit(&mut self) { |
| 117 | self.running = false; |
| 118 | } |
| 119 | |
| 120 | pub fn get_queue(conn: &mut Connection, vec: &mut Vec<Song>) { |
| 121 | conn.conn.queue().unwrap().into_iter().for_each(|x| { |
| 122 | vec.push(x); |
| 123 | }); |
| 124 | } |
| 125 | |
| 126 | // Rescan the queue into queue_list |
| 127 | pub fn update_queue(&mut self) { |
| 128 | self.queue_list.list.clear(); |
| 129 | Self::get_queue(&mut self.conn, &mut self.queue_list.list); |
| 130 | } |
| 131 | |
| 132 | pub fn get_playlist(conn: &mut Client) -> AppResult<Vec<String>> { |
| 133 | let list: Vec<String> = conn.playlists()?.iter().map(|p| p.clone().name).collect(); |
| 134 | Ok(list) |
| 135 | } |
| 136 | |
| 137 | pub fn get_append_list(conn: &mut Client) -> AppResult<ContentList<String>> { |
| 138 | let mut list = ContentList::new(); |
| 139 | list.list.push("Current Playlist".to_string()); |
| 140 | for item in Self::get_playlist(conn)? { |
| 141 | list.list.push(item.to_string()); |
| 142 | } |
| 143 | |
| 144 | Ok(list) |
| 145 | } |
| 146 | |
| 147 | /// Handles the <Space> event key |
| 148 | pub fn handle_add_or_remove_from_current_playlist(&mut self) -> AppResult<()> { |
| 149 | match self.selected_tab { |
| 150 | SelectedTab::DirectoryBrowser => { |
| 151 | let (content_type, content) = |
| 152 | self.browser.filetree.get(self.browser.selected).unwrap(); |
| 153 | if content_type == "directory" { |
| 154 | let file = format!("{}/{}", self.browser.path, content); |
| 155 | let songs = self.conn.conn.listfiles(&file).unwrap_or_default(); |
| 156 | for (t, f) in songs.iter() { |
| 157 | if t == "file" { |
| 158 | if Path::new(&f).has_extension(&[ |
| 159 | "mp3", "ogg", "flac", "m4a", "wav", "aac", "opus", "ape", "wma", |
| 160 | "mpc", "aiff", "dff", "mp2", "mka", |
| 161 | ]) { |
| 162 | let path = file.clone() + "/" + f; |
| 163 | let full_path = path.strip_prefix("./").unwrap_or_else(|| ""); |
| 164 | let song = self.conn.get_song_with_only_filename(&full_path); |
| 165 | self.conn.conn.push(&song)?; |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | } else if content_type == "file" { |
| 170 | let mut status = false; |
| 171 | for (i, song) in self.queue_list.list.clone().iter().enumerate() { |
| 172 | let song_path = song.file.split("/").last().unwrap_or_default(); |
| 173 | if song_path.eq(content) { |
| 174 | self.conn.conn.delete(i as u32).unwrap(); |
| 175 | status = true; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | if !status { |
| 180 | let mut filename = format!("{}/{}", self.browser.path, content); |
| 181 | |
| 182 | // Remove "./" from the beginning of filename |
| 183 | filename.remove(0); |
| 184 | filename.remove(0); |
| 185 | |
| 186 | let song = self.conn.get_song_with_only_filename(&filename); |
| 187 | self.conn.conn.push(&song)?; |
| 188 | |
| 189 | // updating queue, to avoid multiple pushes of the same songs if we enter multiple times before the queue gets updated |
| 190 | self.update_queue(); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | // Highlight next row if possible |
| 195 | if self.browser.selected != self.browser.filetree.len() - 1 { |
| 196 | self.browser.selected += 1; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | SelectedTab::Queue => { |
| 201 | if self.queue_list.list.is_empty() { |
| 202 | return Ok(()); |
| 203 | } |
| 204 | let file = self |
| 205 | .queue_list |
| 206 | .list |
| 207 | .get(self.queue_list.index) |
| 208 | .unwrap() |
| 209 | .file |
| 210 | .to_string(); |
| 211 | |
| 212 | for (i, song) in self.queue_list.list.clone().iter().enumerate() { |
| 213 | if song.file.eq(&file) { |
| 214 | self.conn.conn.delete(i as u32).unwrap(); |
| 215 | if self.queue_list.index == self.queue_list.list.len() - 1 |
| 216 | && self.queue_list.index != 0 |
| 217 | { |
| 218 | self.queue_list.index -= 1; |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | _ => {} |
| 225 | } |
| 226 | |
| 227 | self.update_queue(); |
| 228 | self.conn.update_status(); |
| 229 | Ok(()) |
| 230 | } |
| 231 | |
| 232 | /// Cycle through tabs |
| 233 | pub fn cycle_tabls(&mut self) { |
| 234 | self.selected_tab = match self.selected_tab { |
| 235 | SelectedTab::Queue => SelectedTab::DirectoryBrowser, |
| 236 | SelectedTab::DirectoryBrowser => SelectedTab::Playlists, |
| 237 | SelectedTab::Playlists => SelectedTab::DirectoryBrowser, |
| 238 | }; |
| 239 | } |
| 240 | |
| 241 | /// handles the Enter event on the directory browser |
| 242 | pub fn handle_enter(&mut self) -> AppResult<()> { |
| 243 | let browser = &mut self.browser; |
| 244 | let (t, path) = browser.filetree.get(browser.selected).unwrap(); |
| 245 | if t == "directory" { |
| 246 | if path != "." { |
| 247 | browser.prev_path = browser.path.clone(); |
| 248 | browser.path = browser.prev_path.clone() + "/" + path; |
| 249 | browser.update_directory(&mut self.conn)?; |
| 250 | browser.prev_selected = browser.selected; |
| 251 | browser.selected = 0; |
| 252 | } |
| 253 | } else { |
| 254 | let index = self.queue_list.list.iter().position(|x| { |
| 255 | let file = x.file.split("/").last().unwrap_or_default(); |
| 256 | file.eq(path) |
| 257 | }); |
| 258 | |
| 259 | if index.is_some() { |
| 260 | self.conn.conn.switch(index.unwrap() as u32)?; |
| 261 | } else { |
| 262 | let mut filename = format!("{}/{}", browser.path, path); |
| 263 | |
| 264 | // Remove "./" from the beginning of filename |
| 265 | filename.remove(0); |
| 266 | filename.remove(0); |
| 267 | |
| 268 | let song = self.conn.get_song_with_only_filename(&filename); |
| 269 | self.conn.push(&song)?; |
| 270 | |
| 271 | // updating queue, to avoid multiple pushes of the same songs if we enter multiple times before the queue gets updated |
| 272 | self.update_queue(); |
| 273 | } |
| 274 | } |
| 275 | Ok(()) |
| 276 | } |
| 277 | |
| 278 | // Cursor movements |
| 279 | pub fn move_cursor_left(&mut self) { |
| 280 | match self.inputmode { |
| 281 | InputMode::PlaylistRename => { |
| 282 | let cursor_moved_left = self.pl_cursor_pos.saturating_sub(1); |
| 283 | self.pl_cursor_pos = self.clamp_cursor(cursor_moved_left); |
| 284 | } |
| 285 | InputMode::Editing => { |
| 286 | let cursor_moved_left = self.search_cursor_pos.saturating_sub(1); |
| 287 | self.search_cursor_pos = self.clamp_cursor(cursor_moved_left); |
| 288 | } |
| 289 | _ => {} |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | pub fn move_cursor_right(&mut self) { |
| 294 | match self.inputmode { |
| 295 | InputMode::PlaylistRename => { |
| 296 | let cursor_moved_right = self.pl_cursor_pos.saturating_add(1); |
| 297 | self.pl_cursor_pos = self.clamp_cursor(cursor_moved_right); |
| 298 | } |
| 299 | InputMode::Editing => { |
| 300 | let cursor_moved_right = self.search_cursor_pos.saturating_add(1); |
| 301 | self.search_cursor_pos = self.clamp_cursor(cursor_moved_right); |
| 302 | } |
| 303 | _ => {} |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | pub fn enter_char(&mut self, new_char: char) { |
| 308 | match self.inputmode { |
| 309 | InputMode::PlaylistRename => { |
| 310 | self.pl_newname_input.insert(self.pl_cursor_pos, new_char); |
| 311 | self.move_cursor_right(); |
| 312 | } |
| 313 | InputMode::Editing => { |
| 314 | self.search_input.insert(self.search_cursor_pos, new_char); |
| 315 | self.move_cursor_right(); |
| 316 | } |
| 317 | _ => {} |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | pub fn delete_char(&mut self) { |
| 322 | let is_not_cursor_leftmost = match self.inputmode { |
| 323 | InputMode::PlaylistRename => self.pl_cursor_pos != 0, |
| 324 | InputMode::Editing => self.search_cursor_pos != 0, |
| 325 | _ => false, |
| 326 | }; |
| 327 | |
| 328 | if is_not_cursor_leftmost { |
| 329 | // Method "remove" is not used on the saved text for deleting the selected char. |
| 330 | // Reason: Using remove on String works on bytes instead of the chars. |
| 331 | // Using remove would require special care because of char boundaries. |
| 332 | |
| 333 | let current_index = match self.inputmode { |
| 334 | InputMode::Editing => self.search_cursor_pos, |
| 335 | InputMode::PlaylistRename => self.pl_cursor_pos, |
| 336 | _ => 0, |
| 337 | }; |
| 338 | |
| 339 | let from_left_to_current_index = current_index - 1; |
| 340 | |
| 341 | if self.inputmode == InputMode::PlaylistRename { |
| 342 | // Getting all characters before the selected character. |
| 343 | let before_char_to_delete = self |
| 344 | .pl_newname_input |
| 345 | .chars() |
| 346 | .take(from_left_to_current_index); |
| 347 | // Getting all characters after selected character. |
| 348 | let after_char_to_delete = self.pl_newname_input.chars().skip(current_index); |
| 349 | // Put all characters together except the selected one. |
| 350 | // By leaving the selected one out, it is forgotten and therefore deleted. |
| 351 | self.pl_newname_input = before_char_to_delete.chain(after_char_to_delete).collect(); |
| 352 | self.move_cursor_left(); |
| 353 | } else if self.inputmode == InputMode::Editing { |
| 354 | let before_char_to_delete = |
| 355 | self.search_input.chars().take(from_left_to_current_index); |
| 356 | let after_char_to_delete = self.search_input.chars().skip(current_index); |
| 357 | self.search_input = before_char_to_delete.chain(after_char_to_delete).collect(); |
| 358 | self.move_cursor_left(); |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | pub fn clamp_cursor(&self, new_cursor_pos: usize) -> usize { |
| 364 | match self.inputmode { |
| 365 | InputMode::PlaylistRename => new_cursor_pos.clamp(0, self.pl_newname_input.len()), |
| 366 | InputMode::Editing => new_cursor_pos.clamp(0, self.search_input.len()), |
| 367 | _ => 0, |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | pub fn reset_cursor(&mut self) { |
| 372 | match self.inputmode { |
| 373 | InputMode::Editing => { |
| 374 | self.search_cursor_pos = 0; |
| 375 | } |
| 376 | InputMode::PlaylistRename => { |
| 377 | self.pl_cursor_pos = 0; |
| 378 | } |
| 379 | _ => {} |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | /// Given time in seconds, convert it to hh:mm:ss |
| 384 | pub fn format_time(time: Duration) -> String { |
| 385 | let time = time.as_secs(); |
| 386 | let h = time / 3600; |
| 387 | let m = (time % 3600) / 60; |
| 388 | let s = (time % 3600) % 60; |
| 389 | if h == 0 { |
| 390 | format!("{:02}:{:02}", m, s) |
| 391 | } else { |
| 392 | format!("{:02}:{:02}:{:02}", h, m, s) |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | pub fn change_playlist_name(&mut self) -> AppResult<()> { |
| 397 | if self.selected_tab == SelectedTab::Playlists { |
| 398 | self.inputmode = InputMode::PlaylistRename; |
| 399 | } |
| 400 | Ok(()) |
| 401 | } |
| 402 | |
| 403 | // Mouse event handlers |
| 404 | pub fn handle_scroll_up(&mut self) { |
| 405 | match self.selected_tab { |
| 406 | SelectedTab::Queue => { |
| 407 | self.queue_list.prev(); |
| 408 | } |
| 409 | SelectedTab::DirectoryBrowser => { |
| 410 | self.browser.prev(); |
| 411 | } |
| 412 | SelectedTab::Playlists => { |
| 413 | self.pl_list.prev(); |
| 414 | } |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | pub fn handle_scroll_down(&mut self) { |
| 419 | match self.selected_tab { |
| 420 | SelectedTab::Queue => { |
| 421 | self.queue_list.next(); |
| 422 | } |
| 423 | SelectedTab::DirectoryBrowser => { |
| 424 | self.browser.next(); |
| 425 | } |
| 426 | SelectedTab::Playlists => { |
| 427 | self.pl_list.next(); |
| 428 | } |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | pub fn handle_mouse_left_click(&mut self, _x: u16, _y: u16) -> AppResult<()> { |
| 433 | Ok(()) |
| 434 | } |
| 435 | } |