Script to prepare days and years

Cargo.lock

@@ -2,6 +2,10 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "genaoc"
+version = "0.1.0"
+
 [[package]]
 name = "md5"
 version = "0.7.0"

Cargo.toml

@@ -1,3 +1,8 @@
+[package]
+name = "genaoc"
+version = "0.1.0"
+edition = "2021"
+
 [workspace]
 resolver = "2"
 members = [

src/main.rs

@@ -0,0 +1,61 @@
+use std::{env, fs, path::Path, process::Command};
+
+fn main() -> Result<(), std::io::Error> {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() == 1 {
+        println!("Too few arguments");
+        println!("Please enter a year, or a year and day");
+        return Err(std::io::ErrorKind::InvalidInput.into());
+    } else if args.len() > 3 {
+        println!("Too many arguments");
+        println!("Please enter a year, or a year and day");
+        return Err(std::io::ErrorKind::InvalidInput.into());
+    } else if args.len() == 2 {
+        prepare_year(&args[1])?;
+    } else if args.len() == 3 {
+        prepare_day(&args[1], &args[2])?;
+    }
+    match Command::new("cargo").arg("fmt").status() {
+        Ok(_) => Ok(()),
+        Err(e) => Err(e),
+    }
+}
+
+fn prepare_year(year: &str) -> Result<(), std::io::Error> {
+    let root = env!("CARGO_MANIFEST_DIR");
+    if Path::new(&format!("{root}/y{year}")).exists() {
+        panic!("Folder y{year} already exists")
+    }
+    // create workspace
+    match Command::new("cargo")
+        .arg("new")
+        .arg(format!("y{year}"))
+        .status()
+    {
+        Ok(_status) => Ok(()),
+        Err(e) => Err(e),
+    }?;
+    // remove main.rs
+    fs::remove_file(format!("{root}/y{year}/src/main.rs"))?;
+    fs::create_dir(format!("{root}/y{year}/src/bin"))?;
+    fs::create_dir(format!("{root}/y{year}/src/days"))?;
+    fs::write(format!("{root}/y{year}/src/lib.rs"), "pub mod days;")?;
+    fs::write(format!("{root}/y{year}/src/days/mod.rs"), "")?;
+    prepare_day(year, "1")
+}
+
+fn prepare_day(year: &str, day: &str) -> Result<(), std::io::Error> {
+    let root = env!("CARGO_MANIFEST_DIR");
+    let bin = fs::read_to_string(format!("{root}/template/bin/d.rs.tmpl"))?
+        .replace("{{YEAR}}", year)
+        .replace("{{DAY}}", day);
+    let dayfile = fs::read_to_string(format!("{root}/template/days/d.rs.tmpl"))?;
+    let mut modfile = fs::read_to_string(format!("{root}/y{year}/src/days/mod.rs"))?;
+    modfile.push_str(format!("\npub mod d{day};").as_str());
+    let bin_path = format!("{root}/y{year}/src/bin/d{day}.rs");
+    fs::write(bin_path, bin)?;
+    fs::write(format!("{root}/y{year}/src/days/d{day}.rs"), dayfile)?;
+    fs::write(format!("{root}/y{year}/src/days/mod.rs"), modfile)?;
+    Ok(())
+}

template/bin/d.rs.tmpl

@@ -0,0 +1,20 @@
+use std::fs;
+
+use y{{YEAR}}::days::d{{DAY}};
+
+fn main() {
+    part1();
+    part2();
+}
+
+fn part1() {
+    let root = env!("CARGO_MANIFEST_DIR");
+    let content = fs::read_to_string(format!("{root}/resources/{{DAY}}_input.txt")).unwrap();
+    println!("{}", d{{DAY}}::process_part1(&content));
+}
+
+fn part2() {
+    let root = env!("CARGO_MANIFEST_DIR");
+    let content = fs::read_to_string(format!("{root}/resources/{{DAY}}_input.txt")).unwrap();
+    println!("{}", d{{DAY}}::process_part2(&content));
+}

template/days/d.rs.tmpl

@@ -0,0 +1,26 @@
+pub fn process_part1(input: &str) -> i32 {
+    0
+}
+
+pub fn process_part2(input: &str) -> i32 {
+    0
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    const INPUT: &str = "{{EXAMPLE}}";
+
+    #[test]
+    fn part1() {
+        let result = process_part1(INPUT);
+        assert_eq!(result, 0);
+    }
+
+    #[test]
+    fn part2() {
+        let result = process_part2(INPUT);
+        assert_eq!(result, 0);
+    }
+}

y2016/src/lib.rs

@@ -0,0 +1 @@
+

y2017/src/lib.rs

@@ -0,0 +1 @@
+

y2018/src/lib.rs

@@ -0,0 +1 @@
+

y2019/src/lib.rs

@@ -0,0 +1 @@
+

y2020/src/lib.rs

@@ -0,0 +1 @@
+

y2021/src/lib.rs

@@ -0,0 +1 @@
+

y2023/src/lib.rs

@@ -0,0 +1 @@
+

y2024/src/lib.rs

@@ -0,0 +1 @@
+