timemachine 0.3.2

time-based state machine for daily scheduled state transitions
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

/*
 * --------------------
 * THIS FILE IS LICENSED UNDER MIT
 * THE FOLLOWING MESSAGE IS NOT A LICENSE
 *
 * <barrow@tilde.team> wrote this file.
 * by reading this text, you are reading "TRANS RIGHTS".
 * this file and the content within it is the gay agenda.
 * if we meet some day, and you think this stuff is worth it,
 * you can buy me a beer, tea, or something stronger.
 * -Ezra Barrow
 * --------------------
 */

use console::Term;
#[allow(deprecated)]
use std::thread::sleep_ms;
use timemachine::{Clock, TimeMachine};

#[derive(Debug, PartialEq, Clone)]
pub enum State {
    NightDark,
    DuskDawnRed,
    DayWhite,
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let api_client = napchart::api::BlockingClient::default();
    let napchart = api_client.get("cse2j")?;

    let tm: TimeMachine<Option<napchart::ElementData>> =
        TimeMachine::from_napchart(&napchart.lanes[0]);

    let tm: TimeMachine<Option<State>> = tm.map_states(|elem| {
        // use map_states here to map directly to Option<State>s
        if let Some(e) = elem {
            match e.color.as_str() {
                "red" => Some(State::DuskDawnRed),
                "gray" => Some(State::NightDark),
                "blue" => Some(State::DayWhite),
                _ => None,
            }
        } else {
            None
        }
    });

    // Display code
    let term = Term::stdout();
    term.write_line("")?;
    term.hide_cursor()?;
    let mut err_count = 0;
    for t in Clock::minutes() {
        term.write_line(&format!("The time is {:#.2}    ", &t))?;
        term.write_str(match tm.get_state(&t).ok().unwrap() {
            Some(State::NightDark) => "it is dark           ",
            Some(State::DuskDawnRed) => "the red light is on  ",
            Some(State::DayWhite) => "the white light is on",
            None => {
                if t.as_minutes() % 5 == 0 {
                    // napchart only allows 5 minute precision
                    err_count += 1;
                    for _ in 0..err_count {
                        term.write_line("")?;
                    }
                    term.write_str(&format!("!!!!! at {}, state is None!!", &t))?;
                    // term.write_line("");
                    term.move_cursor_left(28)?;
                    term.move_cursor_up(err_count)?;
                }
                "ERROR                "
            }
        })?;
        #[allow(deprecated)]
        sleep_ms(25);
        term.move_cursor_up(1)?;
        term.move_cursor_left(21)?;
    }
    term.show_cursor()?;
    term.move_cursor_down(2 + err_count)?;
    Ok(())
}