Show message on reset

src/list.rs

@@ -5,7 +5,7 @@ use crossterm::{
     ExecutableCommand,
 };
 use ratatui::{backend::CrosstermBackend, Terminal};
-use std::io;
+use std::{fmt::Write, io};
 
 mod state;
 
@@ -42,6 +42,8 @@ pub fn list(state_file: &mut StateFile, exercises: &[Exercise]) -> Result<()> {
             }
         };
 
+        ui_state.message.clear();
+
         match key.code {
             KeyCode::Char('q') => break,
             KeyCode::Down | KeyCode::Char('j') => ui_state.select_next(),
@@ -50,9 +52,14 @@ pub fn list(state_file: &mut StateFile, exercises: &[Exercise]) -> Result<()> {
             KeyCode::End | KeyCode::Char('G') => ui_state.select_last(),
             KeyCode::Char('r') => {
                 let selected = ui_state.selected();
-                exercises[selected].reset()?;
+                let exercise = &exercises[selected];
+                exercise.reset()?;
                 state_file.reset(selected)?;
+
                 ui_state.table = ui_state.table.rows(UiState::rows(state_file, exercises));
+                ui_state
+                    .message
+                    .write_fmt(format_args!("The exercise {exercise} has been reset!"))?;
             }
             KeyCode::Char('c') => {
                 state_file.set_next_exercise_ind(ui_state.selected())?;

src/list/state.rs

@@ -10,6 +10,7 @@ use crate::{exercise::Exercise, state_file::StateFile};
 
 pub struct UiState<'a> {
     pub table: Table<'a>,
+    pub message: String,
     selected: usize,
     table_state: TableState,
     last_ind: usize,
@@ -77,14 +78,13 @@ impl<'a> UiState<'a> {
             .block(Block::default().borders(Borders::BOTTOM));
 
         let selected = 0;
-        let table_state = TableState::default().with_selected(Some(selected));
-        let last_ind = exercises.len() - 1;
 
         Self {
             table,
             selected,
-            table_state,
+            table_state: TableState::default().with_selected(Some(selected)),
-            last_ind,
+            last_ind: exercises.len() - 1,
+            message: String::with_capacity(128),
         }
     }
 
@@ -130,10 +130,14 @@ impl<'a> UiState<'a> {
             &mut self.table_state,
         );
 
-        let help_footer =
+        let message = if self.message.is_empty() {
-            "↓/j ↑/k home/g end/G │ Filter <d>one/<p>ending │ <r>eset │ <c>ontinue at │ <q>uit";
+            // Help footer.
+            "↓/j ↑/k home/g end/G │ Filter <d>one/<p>ending │ <r>eset │ <c>ontinue at │ <q>uit"
+        } else {
+            &self.message
+        };
         frame.render_widget(
-            Span::raw(help_footer),
+            Span::raw(message),
             Rect {
                 x: 0,
                 y: area.height - 1,

src/main.rs

@@ -124,7 +124,7 @@ If you are just starting with Rustlings, run the command `rustlings init` to ini
             let (ind, exercise) = find_exercise(&name, &exercises)?;
             exercise.reset()?;
             state_file.reset(ind)?;
-            println!("The file {} has been reset!", exercise.path.display());
+            println!("The exercise {exercise} has been reset!");
         }
         Some(Subcommands::Hint { name }) => {
             let (_, exercise) = find_exercise(&name, &exercises)?;