Take DB path from cli arg, marker emoji for currently selected task

src/app.rs

@@ -42,7 +42,7 @@ pub struct Project {
 pub enum KanbanError {
     #[error("There is something wrong with the json schema, it doesn't match Project struct")]
     BadJson,
-    #[error("Some form of IO error occured: {0}")]
+    #[error("IO - {0}")]
     Io(#[from] std::io::Error),
 }
 
@@ -167,8 +167,8 @@ impl Project {
         serde_json::from_str(json).map_err(|_| KanbanError::BadJson)
     }
 
-    pub fn load() -> Result<Self, KanbanError> {
-        let json = std::fs::read_to_string("kanban-tui.json")?;
+    pub fn load(filepath: String) -> Result<Self, KanbanError> {
+        let json = std::fs::read_to_string(filepath)?;
         Self::load_from_json(&json)
     }
 

src/main.rs

@@ -6,19 +6,20 @@ use crossterm::{
     event::*,
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
 };
-use std::io;
+use std::{io, env};
 use tui::backend::CrosstermBackend;
 use tui::Terminal;
 
 fn main() -> anyhow::Result<()> {
+    let pattern = env::args().nth(1).expect("Path to task database not provided");
+    let mut state = AppState::new(Project::load(pattern)?);
+
     enable_raw_mode()?;
     let mut stdout = io::stdout();
     crossterm::execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
     let backend = CrosstermBackend::new(stdout);
     let mut terminal = Terminal::new(backend)?;
 
-    let mut state = AppState::new(Project::load()?);
-
     while !state.quit {
         terminal.draw(|f| kanban_tui::draw(f, &mut state))?;
         kanban_tui::handle_input(&mut state)?;

src/ui.rs

@@ -26,12 +26,15 @@ fn draw_tasks<B: Backend>(f: &mut Frame<B>, area: &Rect, state: &AppState) {
                 let mut style = Style::default();
                 let col_idx = state.project.selected_column_idx;
                 let task_idx = state.project.get_selected_column().selected_task_idx;
+                let item_txt;
                 if i == col_idx && j == task_idx {
                     style = style.fg(Color::White).add_modifier(Modifier::BOLD);
+                    item_txt = format!("{} 👈", task.title);
                 } else {
                     style = style.fg(Color::White);
+                    item_txt = task.title.clone();
                 }
-                let mut s = Span::raw(task.title.as_str());
+                let mut s = Span::raw(item_txt);
                 s.style = style;
                 ListItem::new(vec![Spans::from(s)])
             })