htodo 0.1.3

A simple command line To-Do app built with Rust
Documentation 
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use std::{error::Error, fs, path::PathBuf};

use directories::ProjectDirs;

pub fn make_todo_file() -> PathBuf {
    if is_todo_file_created() {
        return get_todo_file_path().unwrap();
    }

    let project_dir =
        ProjectDirs::from("", "", env!("CARGO_PKG_NAME").to_uppercase().as_str()).unwrap();
    let dir_path = project_dir.config_dir();
    fs::create_dir_all(dir_path).unwrap();

    let todo_path = dir_path.join("todo.json");

    fs::write(&todo_path, "[]").unwrap_or_else(|e| {
        panic!(
            "Unable to create data file at {}, error: {}",
            &todo_path.to_string_lossy(),
            e
        );
    });

    println!("File created at, {}", &todo_path.to_string_lossy());

    todo_path
}

pub fn get_todo_file_path() -> Result<PathBuf, Box<dyn Error>> {
    let project_dir =
        ProjectDirs::from("", "", env!("CARGO_PKG_NAME").to_uppercase().as_str()).unwrap();
    let dir_path = project_dir.config_dir();
    let todo_path = dir_path.join("todo.json");

    Ok(todo_path)
}

pub fn is_todo_file_created() -> bool {
    let todo_file_path = get_todo_file_path().unwrap();
    let result = fs::read_to_string(todo_file_path);
    result.is_ok()
}

#[cfg(test)]
mod tests {
    use std::fs::{self};

    use crate::dir::get_todo_file_path;

    use super::{is_todo_file_created, make_todo_file};

    #[test]
    fn it_should_create_data_file() {
        make_todo_file();
        assert_eq!(is_todo_file_created(), true);
    }

    #[test]
    fn remove_data_file() {
        make_todo_file();
        fs::remove_file(get_todo_file_path().unwrap()).expect("Failed to remove file");
        let result = fs::read_to_string(get_todo_file_path().unwrap());
        assert_eq!(result.is_err(), true);
    }
}