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Setup everything. Rendering tasks on the done column from a json file

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Joseph Ferano 2022-12-03 00:59:24 +04:00
commit d2850a3423
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3
.gitignore vendored Normal file
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/target
/.idea/
/kanban-tui.json

361
Cargo.lock generated Normal file
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Cargo.toml Normal file
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[package]
name = "kanban-tui"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
tui = "0.19.0"
crossterm = "0.25"
serde = { version = "1.0.148" , features = [ "derive" ] }
serde_json = "1.0.89"

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src/main.rs Normal file
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mod ui;
mod types;
use std::{io};
use crossterm::{
event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen}
};
use tui::backend::CrosstermBackend;
use tui::Terminal;
use crate::types::{Project, Task};
fn main() -> Result<(), io::Error> {
// setup terminal
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 project = Project::load();
loop {
terminal.draw(|f| ui::draw(f, &mut project))?;
if let Event::Key(key) = event::read()? {
match key.code {
KeyCode::Char('q') => break,
_ => {}
}
}
}
// restore terminal
disable_raw_mode()?;
crossterm::execute!(
terminal.backend_mut(),
LeaveAlternateScreen,
DisableMouseCapture
)?;
terminal.show_cursor()?;
Ok(())
}

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src/types.rs Normal file
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use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize, Debug)]
pub enum TaskStatus {
Done,
Todo,
InProgress,
Testing,
Backlog,
}
#[derive(Deserialize, Serialize, Debug)]
pub struct Task {
pub title: String,
pub description: String,
pub status: TaskStatus,
}
impl Default for Task {
fn default() -> Self {
Task {
title: String::new(),
description: String::new(),
status: TaskStatus::Backlog,
}
}
}
#[derive(Deserialize, Serialize, Debug)]
pub struct Project {
pub name: String,
pub tasks: Vec<Task>,
}
impl Project {
fn new(name: &str) -> Self {
Project { name: name.to_owned() , tasks: Vec::new() }
}
fn add_task(&mut self, task: Task) {
self.tasks.push(task);
}
}
impl Default for Project {
fn default() -> Self {
Project {
name: String::new(),
tasks: Vec::new(),
}
}
}
impl Project {
pub fn load() -> Self {
let json = std::fs::read_to_string("kanban-tui.json")
.expect("Could not read json file");
serde_json::from_str(&json)
.expect("There is something wrong with the json schema, it doesn't match Project struct")
}
/// Comment out cause this is dangerous
pub fn save() {
// let mut project = Project::new("Kanban Tui");
// project.add_task(Task::default());
// project.add_task(Task::default());
// let json = serde_json::to_string_pretty(&project).unwrap();
// std::fs::write("./project.json", json).unwrap();
}
}

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src/ui.rs Normal file
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use tui::backend::{Backend};
use tui::layout::{Constraint, Direction, Layout, Rect};
use tui::{Frame};
use tui::text::{Span, Spans};
use tui::widgets::{Block, Borders, List, ListItem, Paragraph};
use crate::types::{Project, Task};
fn draw_tasks<B: Backend>(f: &mut Frame<B>, columns: Vec<Rect>, tasks: &Vec<Task>) {
let ts: Vec<ListItem> = tasks.iter().map(|t| {
ListItem::new(vec![Spans::from(Span::raw(&t.title))])
}).collect();
let cols = &["DONE", "TODO", "IN-PROGRESS", "TESTING", "BACKLOG"];
let blocks: Vec<Block> =
columns.iter().enumerate()
.map(|(i, col)| {
Block::default()
.title(cols[i])
.borders(Borders::ALL)
}).collect();
let l1 = List::new(ts).block(blocks[0].clone());
let l2 = List::new(vec![]).block(blocks[1].clone());
let l3 = List::new(vec![]).block(blocks[2].clone());
let l4 = List::new(vec![]).block(blocks[3].clone());
let l5 = List::new(vec![]).block(blocks[4].clone());
f.render_widget(l1, columns[0]);
f.render_widget(l2, columns[1]);
f.render_widget(l3, columns[2]);
f.render_widget(l4, columns[3]);
f.render_widget(l5, columns[4]);
}
pub fn draw<B: Backend>(f: &mut Frame<B>, project: &mut Project) {
let main_layout = Layout::default()
.direction(Direction::Vertical)
.constraints(
[
Constraint::Percentage(10),
Constraint::Percentage(60),
Constraint::Percentage(20),
Constraint::Percentage(10),
].as_ref()
).split(f.size());
let columns = Layout::default()
.direction(Direction::Horizontal)
.constraints(
[
Constraint::Percentage(20),
Constraint::Percentage(20),
Constraint::Percentage(20),
Constraint::Percentage(20),
Constraint::Percentage(20),
].as_ref()
)
.split(main_layout[1]);
let block = Block::default()
.title("KANBAN BOARD")
.borders(Borders::ALL);
f.render_widget(block, main_layout[0]);
draw_tasks(f, columns, &project.tasks);
let block = Block::default()
.title("TASK INFO")
.borders(Borders::ALL);
f.render_widget(block, main_layout[2]);
let block = Block::default()
.title("FOOTER")
.borders(Borders::ALL);
let foot_txt =
Paragraph::new("Press 'q' to quit")
.block(block);
f.render_widget(foot_txt, main_layout[3]);
}