feat: implement otp uri copying from QRCode page

src/interface/app.rs

@@ -21,6 +21,8 @@ const LARGE_APPLICATION_WIDTH: u16 = 75;
 /// Application result type.
 pub type AppResult<T> = Result<T, Box<dyn error::Error>>;
 
+const DEFAULT_QRCODE_LABEL: &'static str = "Press enter to copy the OTP URI code";
+
 /// Application.
 pub struct App<'a> {
     /// Is the application running?
@@ -36,6 +38,9 @@ pub struct App<'a> {
     pub(crate) search_query: String,
     pub(crate) focus: Focus,
     pub(crate) popup: Popup,
+
+    /// Info text in the QRCode page
+    pub(crate) qr_code_page_label: &'static str,
 }
 
 pub struct Popup {
@@ -60,7 +65,7 @@ impl<'a> App<'a> {
             progress: percentage(),
             label_text: String::from(""),
             print_percentage: true,
-            current_page: Main,
+            current_page: Page::default(),
             search_query: String::from(""),
             focus: Focus::MainPage,
             popup: Popup {
@@ -69,9 +74,16 @@ impl<'a> App<'a> {
                 percent_x: 60,
                 percent_y: 20,
             },
+            qr_code_page_label: DEFAULT_QRCODE_LABEL,
         }
     }
 
+    pub(crate) fn reset(&mut self) {
+        self.current_page = Page::default();
+        self.print_percentage = true;
+        self.qr_code_page_label = DEFAULT_QRCODE_LABEL;
+    }
+
     /// Handles the tick event of the terminal.
     pub fn tick(&mut self, force_update: bool) {
         // Update progress bar
@@ -105,11 +117,15 @@ impl<'a> App<'a> {
                 } else {
                     format!("{} - {}", &element.issuer, &element.label)
                 };
-                Paragraph::new(element.get_qrcode())
-                    .block(Block::default().title(title).borders(Borders::ALL))
-                    .style(Style::default().fg(Color::White).bg(Color::Reset))
-                    .alignment(Alignment::Center)
-                    .wrap(Wrap { trim: true })
+                Paragraph::new(format!(
+                    "{}\n{}",
+                    element.get_qrcode(),
+                    self.qr_code_page_label
+                ))
+                .block(Block::default().title(title).borders(Borders::ALL))
+                .style(Style::default().fg(Color::White).bg(Color::Reset))
+                .alignment(Alignment::Center)
+                .wrap(Wrap { trim: true })
             })
             .unwrap_or_else(|| {
                 Paragraph::new("No element is selected")

src/interface/handlers/main_window.rs

@@ -5,6 +5,7 @@ use super::{
 use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
 
 use crate::{
+    clipboard::copy_string_to_clipboard,
     interface::{
         app::{App, Popup},
         enums::{Focus, Page, PopupAction},
@@ -102,10 +103,25 @@ pub(super) fn main_handler(key_event: KeyEvent, app: &mut App) {
 
         KeyCode::Char('/') => app.focus = Focus::SearchBar,
 
-        KeyCode::Enter => {
-            app.label_text = copy_selected_code_to_clipboard(app);
-            app.print_percentage = false;
-        }
+        KeyCode::Enter => match app.current_page {
+            Main => {
+                app.label_text = copy_selected_code_to_clipboard(app);
+                app.print_percentage = false;
+            }
+            Qrcode => {
+                let selected_element = app
+                    .table
+                    .state
+                    .selected()
+                    .and_then(|index| app.database.elements_ref().get(index));
+
+                if let Some(element) = selected_element {
+                    let otp_uri = element.get_otpauth_uri();
+                    let _ = copy_string_to_clipboard(&otp_uri);
+                    app.qr_code_page_label = "OTP URI Copied to clipboard";
+                }
+            }
+        },
         _ => {}
     }
 }
@@ -128,9 +144,8 @@ fn handle_counter_switch(app: &mut App, increment: bool) {
 }
 
 fn handle_switch_page(app: &mut App, page: Page) {
-    let default_page = Main;
     if app.current_page == page {
-        app.current_page = default_page;
+        app.reset();
     } else {
         app.current_page = page;
     }