| 1 | //! `/rename` command — set a custom title for the current session. |
| 2 | |
| 3 | use crate::session_manager::{SessionManager, update_session}; |
| 4 | use crate::tui::app::App; |
| 5 | |
| 6 | use super::CommandResult; |
| 7 | |
| 8 | const MAX_TITLE_LEN: usize = 100; |
| 9 | |
| 10 | /// Rename the current session to the given title. |
| 11 | /// |
| 12 | /// Usage: `/rename <new title>` |
| 13 | /// |
| 14 | /// The new title is persisted immediately to `~/.deepseek/sessions/<id>.json` |
| 15 | /// so the updated name is visible the next time the session picker is opened. |
| 16 | pub fn rename(app: &mut App, arg: Option<&str>) -> CommandResult { |
| 17 | let new_title = match arg.map(str::trim).filter(|s| !s.is_empty()) { |
| 18 | Some(t) => t, |
| 19 | None => return CommandResult::error("Usage: /rename <new title>"), |
| 20 | }; |
| 21 | |
| 22 | if new_title.chars().count() > MAX_TITLE_LEN { |
| 23 | return CommandResult::error(format!("Title too long (max {MAX_TITLE_LEN} characters)")); |
| 24 | } |
| 25 | |
| 26 | let session_id = match &app.current_session_id { |
| 27 | Some(id) => id.clone(), |
| 28 | None => { |
| 29 | return CommandResult::error( |
| 30 | "No active session. Send a message first to start a session.", |
| 31 | ); |
| 32 | } |
| 33 | }; |
| 34 | |
| 35 | let manager = match SessionManager::default_location() { |
| 36 | Ok(m) => m, |
| 37 | Err(e) => return CommandResult::error(format!("Could not open sessions directory: {e}")), |
| 38 | }; |
| 39 | |
| 40 | rename_with_manager(new_title, &session_id, &manager, app) |
| 41 | } |
| 42 | |
| 43 | fn rename_with_manager( |
| 44 | new_title: &str, |
| 45 | session_id: &str, |
| 46 | manager: &SessionManager, |
| 47 | app: &App, |
| 48 | ) -> CommandResult { |
| 49 | let mut session = match manager.load_session(session_id) { |
| 50 | Ok(s) => s, |
| 51 | Err(e) => return CommandResult::error(format!("Could not load session: {e}")), |
| 52 | }; |
| 53 | |
| 54 | // Sync with current App state to avoid overwriting unsaved messages. |
| 55 | session = update_session( |
| 56 | session, |
| 57 | &app.api_messages, |
| 58 | u64::from(app.session.total_tokens), |
| 59 | app.system_prompt.as_ref(), |
| 60 | ); |
| 61 | session.metadata.title = new_title.to_string(); |
| 62 | |
| 63 | match manager.save_session(&session) { |
| 64 | Ok(_) => CommandResult::message(format!("Session renamed to \"{new_title}\"")), |
| 65 | Err(e) => CommandResult::error(format!("Could not save session: {e}")), |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | #[cfg(test)] |
| 70 | mod tests { |
| 71 | use super::*; |
| 72 | use crate::config::Config; |
| 73 | use crate::session_manager::{SessionManager, create_saved_session_with_mode}; |
| 74 | use crate::tui::app::{App, TuiOptions}; |
| 75 | use tempfile::TempDir; |
| 76 | |
| 77 | fn make_app(tmpdir: &TempDir) -> App { |
| 78 | App::new( |
| 79 | TuiOptions { |
| 80 | model: "deepseek-v4-pro".to_string(), |
| 81 | workspace: tmpdir.path().to_path_buf(), |
| 82 | config_path: None, |
| 83 | config_profile: None, |
| 84 | allow_shell: false, |
| 85 | use_alt_screen: true, |
| 86 | use_mouse_capture: false, |
| 87 | use_bracketed_paste: true, |
| 88 | max_subagents: 1, |
| 89 | skills_dir: tmpdir.path().join("skills"), |
| 90 | memory_path: tmpdir.path().join("memory.md"), |
| 91 | notes_path: tmpdir.path().join("notes.txt"), |
| 92 | mcp_config_path: tmpdir.path().join("mcp.json"), |
| 93 | use_memory: false, |
| 94 | start_in_agent_mode: false, |
| 95 | skip_onboarding: true, |
| 96 | yolo: false, |
| 97 | resume_session_id: None, |
| 98 | initial_input: None, |
| 99 | }, |
| 100 | &Config::default(), |
| 101 | ) |
| 102 | } |
| 103 | |
| 104 | fn make_session_manager(tmpdir: &TempDir) -> SessionManager { |
| 105 | SessionManager::new(tmpdir.path().join("sessions")).unwrap() |
| 106 | } |
| 107 | |
| 108 | #[test] |
| 109 | fn rename_without_arg_returns_error() { |
| 110 | let tmp = TempDir::new().unwrap(); |
| 111 | let mut app = make_app(&tmp); |
| 112 | let r = rename(&mut app, None); |
| 113 | assert!(r.is_error); |
| 114 | assert!(r.message.unwrap().contains("Usage:")); |
| 115 | } |
| 116 | |
| 117 | #[test] |
| 118 | fn rename_with_empty_arg_returns_error() { |
| 119 | let tmp = TempDir::new().unwrap(); |
| 120 | let mut app = make_app(&tmp); |
| 121 | let r = rename(&mut app, Some(" ")); |
| 122 | assert!(r.is_error); |
| 123 | assert!(r.message.unwrap().contains("Usage:")); |
| 124 | } |
| 125 | |
| 126 | #[test] |
| 127 | fn rename_without_active_session_returns_error() { |
| 128 | let tmp = TempDir::new().unwrap(); |
| 129 | let mut app = make_app(&tmp); |
| 130 | app.current_session_id = None; |
| 131 | let r = rename(&mut app, Some("My Session")); |
| 132 | assert!(r.is_error); |
| 133 | assert!(r.message.unwrap().contains("No active session")); |
| 134 | } |
| 135 | |
| 136 | #[test] |
| 137 | fn rename_title_too_long_returns_error() { |
| 138 | let tmp = TempDir::new().unwrap(); |
| 139 | let mut app = make_app(&tmp); |
| 140 | let long_title = "a".repeat(MAX_TITLE_LEN + 1); |
| 141 | let r = rename(&mut app, Some(&long_title)); |
| 142 | assert!(r.is_error); |
| 143 | assert!(r.message.unwrap().contains("too long")); |
| 144 | } |
| 145 | |
| 146 | #[test] |
| 147 | fn rename_persists_new_title() { |
| 148 | let tmp = TempDir::new().unwrap(); |
| 149 | let manager = make_session_manager(&tmp); |
| 150 | let app = make_app(&tmp); |
| 151 | |
| 152 | let session = |
| 153 | create_saved_session_with_mode(&[], "deepseek-v4-pro", tmp.path(), 0, None, None); |
| 154 | let session_id = session.metadata.id.clone(); |
| 155 | manager.save_session(&session).unwrap(); |
| 156 | |
| 157 | let result = rename_with_manager("Brand New Title", &session_id, &manager, &app); |
| 158 | assert!(!result.is_error); |
| 159 | assert!(result.message.unwrap().contains("Brand New Title")); |
| 160 | |
| 161 | let reloaded = manager.load_session(&session_id).unwrap(); |
| 162 | assert_eq!(reloaded.metadata.title, "Brand New Title"); |
| 163 | } |
| 164 | |
| 165 | #[test] |
| 166 | fn rename_title_at_max_length_succeeds() { |
| 167 | let tmp = TempDir::new().unwrap(); |
| 168 | let manager = make_session_manager(&tmp); |
| 169 | let app = make_app(&tmp); |
| 170 | |
| 171 | let session = |
| 172 | create_saved_session_with_mode(&[], "deepseek-v4-pro", tmp.path(), 0, None, None); |
| 173 | let session_id = session.metadata.id.clone(); |
| 174 | manager.save_session(&session).unwrap(); |
| 175 | |
| 176 | let max_title = "中".repeat(MAX_TITLE_LEN); |
| 177 | let result = rename_with_manager(&max_title, &session_id, &manager, &app); |
| 178 | assert!(!result.is_error); |
| 179 | |
| 180 | let reloaded = manager.load_session(&session_id).unwrap(); |
| 181 | assert_eq!(reloaded.metadata.title, max_title); |
| 182 | } |
| 183 | } |
| 184 |