| 1 | //! `/stash` slash command — list / pop parked composer drafts (#440). |
| 2 | //! |
| 3 | //! See `crates/tui/src/composer_stash.rs` for the on-disk format |
| 4 | //! and persistence rules. The slash command is the user-facing |
| 5 | //! surface; Ctrl+S in the composer is the corresponding push entry |
| 6 | //! point. |
| 7 | |
| 8 | use crate::composer_stash; |
| 9 | use crate::tui::app::App; |
| 10 | |
| 11 | use super::CommandResult; |
| 12 | |
| 13 | /// Top-level dispatch for `/stash`. Subcommands: |
| 14 | /// |
| 15 | /// * `/stash` — same as `/stash list`. |
| 16 | /// * `/stash list` — show parked drafts, oldest first. |
| 17 | /// * `/stash pop` — restore the most recently parked draft into |
| 18 | /// the composer; the popped entry is removed from disk. |
| 19 | /// * `/stash clear` — wipe the entire stash file. Reports how many |
| 20 | /// entries were dropped so the user knows what they deleted. |
| 21 | pub fn stash(app: &mut App, arg: Option<&str>) -> CommandResult { |
| 22 | let sub = arg.map(str::trim).unwrap_or("list").to_ascii_lowercase(); |
| 23 | match sub.as_str() { |
| 24 | "" | "list" | "ls" | "show" => list(), |
| 25 | "pop" | "restore" => pop(app), |
| 26 | "clear" | "wipe" | "drop" => clear(), |
| 27 | other => CommandResult::error(format!( |
| 28 | "unknown subcommand `{other}`. Try `/stash list`, `/stash pop`, or `/stash clear`." |
| 29 | )), |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | fn list() -> CommandResult { |
| 34 | let entries = composer_stash::load_stash(); |
| 35 | if entries.is_empty() { |
| 36 | return CommandResult::message( |
| 37 | "Stash empty. Press Ctrl+S in the composer to park the current draft.", |
| 38 | ); |
| 39 | } |
| 40 | let mut out = String::new(); |
| 41 | out.push_str(&format!("{} parked draft(s):\n\n", entries.len())); |
| 42 | for (idx, entry) in entries.iter().enumerate() { |
| 43 | let preview = preview_first_line(&entry.text, 80); |
| 44 | let ts = if entry.ts.is_empty() { |
| 45 | "(no ts)".to_string() |
| 46 | } else { |
| 47 | entry.ts.clone() |
| 48 | }; |
| 49 | out.push_str(&format!(" {idx}. [{ts}] {preview}\n")); |
| 50 | } |
| 51 | out.push_str("\nUse `/stash pop` to restore the most recent draft."); |
| 52 | CommandResult::message(out) |
| 53 | } |
| 54 | |
| 55 | fn clear() -> CommandResult { |
| 56 | match composer_stash::clear_stash() { |
| 57 | Ok(0) => CommandResult::message("Stash already empty — nothing to clear."), |
| 58 | Ok(n) => CommandResult::message(format!("Cleared {n} parked draft(s) from the stash.")), |
| 59 | Err(err) => CommandResult::error(format!("Failed to clear stash: {err}")), |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | fn pop(app: &mut App) -> CommandResult { |
| 64 | match composer_stash::pop_stash() { |
| 65 | Some(entry) => { |
| 66 | // Replace the current composer contents with the popped |
| 67 | // draft. We don't merge — replacing is the predictable |
| 68 | // behaviour and matches the "restore the parked draft" |
| 69 | // mental model. Mirror the queue-edit pattern for the |
| 70 | // cursor reset. |
| 71 | app.input = entry.text.clone(); |
| 72 | app.cursor_position = app.input.len(); |
| 73 | let preview = preview_first_line(&entry.text, 60); |
| 74 | // Tell the user how many drafts remain so they can plan |
| 75 | // whether to keep popping or move on. Matches the |
| 76 | // confirmation pattern used by the queue surface. |
| 77 | let remaining = composer_stash::load_stash().len(); |
| 78 | let suffix = match remaining { |
| 79 | 0 => " (stash now empty)".to_string(), |
| 80 | 1 => " (1 more parked)".to_string(), |
| 81 | n => format!(" ({n} more parked)"), |
| 82 | }; |
| 83 | CommandResult::message(format!("Restored stashed draft: {preview}{suffix}")) |
| 84 | } |
| 85 | None => CommandResult::message("Stash empty — nothing to pop."), |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | /// Take a one-line preview of `text`, capped at `max_chars`. |
| 90 | /// Multi-line drafts get a single-line summary so the listing |
| 91 | /// stays scannable. |
| 92 | fn preview_first_line(text: &str, max_chars: usize) -> String { |
| 93 | let head = text.lines().next().unwrap_or("").trim(); |
| 94 | if head.chars().count() <= max_chars { |
| 95 | return head.to_string(); |
| 96 | } |
| 97 | let mut out: String = head.chars().take(max_chars.saturating_sub(1)).collect(); |
| 98 | out.push('…'); |
| 99 | out |
| 100 | } |
| 101 | |
| 102 | #[cfg(test)] |
| 103 | mod tests { |
| 104 | use super::*; |
| 105 | |
| 106 | #[test] |
| 107 | fn preview_first_line_truncates_to_cap() { |
| 108 | let body = "x".repeat(200); |
| 109 | let p = preview_first_line(&body, 10); |
| 110 | assert_eq!(p.chars().count(), 10); |
| 111 | assert!(p.ends_with('…')); |
| 112 | } |
| 113 | |
| 114 | #[test] |
| 115 | fn preview_first_line_keeps_short_input_intact() { |
| 116 | assert_eq!(preview_first_line("short", 50), "short"); |
| 117 | } |
| 118 | |
| 119 | #[test] |
| 120 | fn preview_first_line_only_uses_first_line_of_multiline() { |
| 121 | let body = "first line of the draft\nsecond line that's longer\nthird"; |
| 122 | assert_eq!(preview_first_line(body, 80), "first line of the draft"); |
| 123 | } |
| 124 | |
| 125 | #[test] |
| 126 | fn preview_first_line_handles_empty_input() { |
| 127 | assert_eq!(preview_first_line("", 50), ""); |
| 128 | assert_eq!(preview_first_line(" ", 50), ""); |
| 129 | } |
| 130 | } |
| 131 |