advent-of-code/src/template/commands/scaffold.rs
2023-12-05 22:39:20 +01:00

94 lines
2.3 KiB
Rust

use std::{
fs::{File, OpenOptions},
io::Write,
process,
};
use crate::template::Day;
const MODULE_TEMPLATE: &str = r#"advent_of_code::solution!(DAY_NUMBER);
pub fn part_one(input: &str) -> Option<u32> {
None
}
pub fn part_two(input: &str) -> Option<u32> {
None
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_part_one() {
let result = part_one(&advent_of_code::template::read_file("examples", DAY));
assert_eq!(result, None);
}
#[test]
fn test_part_two() {
let result = part_two(&advent_of_code::template::read_file("examples", DAY));
assert_eq!(result, None);
}
}
"#;
fn safe_create_file(path: &str) -> Result<File, std::io::Error> {
OpenOptions::new().write(true).create_new(true).open(path)
}
fn create_file(path: &str) -> Result<File, std::io::Error> {
OpenOptions::new().write(true).create(true).open(path)
}
pub fn handle(day: Day) {
let input_path = format!("data/inputs/{day}.txt");
let example_path = format!("data/examples/{day}.txt");
let module_path = format!("src/bin/{day}.rs");
let mut file = match safe_create_file(&module_path) {
Ok(file) => file,
Err(e) => {
eprintln!("Failed to create module file: {e}");
process::exit(1);
}
};
match file.write_all(
MODULE_TEMPLATE
.replace("DAY_NUMBER", &day.into_inner().to_string())
.as_bytes(),
) {
Ok(()) => {
println!("Created module file \"{}\"", &module_path);
}
Err(e) => {
eprintln!("Failed to write module contents: {e}");
process::exit(1);
}
}
match create_file(&input_path) {
Ok(_) => {
println!("Created empty input file \"{}\"", &input_path);
}
Err(e) => {
eprintln!("Failed to create input file: {e}");
process::exit(1);
}
}
match create_file(&example_path) {
Ok(_) => {
println!("Created empty example file \"{}\"", &example_path);
}
Err(e) => {
eprintln!("Failed to create example file: {e}");
process::exit(1);
}
}
println!("---");
println!("🎄 Type `cargo solve {}` to run your solution.", day);
}