teascade-generator/src/file_writer.rs

50 lines
1.4 KiB
Rust

use std::fs::{create_dir_all, File};
use std::io::prelude::*;
use std::path::{Path, PathBuf};
use error::Error;
use logger::LogLevel;
pub fn add_to_beginning<T: Into<String>>(path: PathBuf, to_add: T) -> Result<PathBuf, Error> {
if let (Some(parent), Some(file_name)) = (path.clone().parent(), path.clone().file_name()) {
let parent = Path::new(&to_add.into()).join(parent);
Ok(parent.join(file_name))
} else {
return Err(Error::new(
LogLevel::SEVERE,
format!("Could not find parent folder or file name for {:?}", path),
));
}
}
pub fn write_file<T: Into<String>>(
path: PathBuf,
content: T,
overwrite: bool,
) -> Result<(), Error> {
if let Some(parent) = path.clone().parent() {
create_dir_all(parent.clone())?;
} else {
return Err(Error::new(
LogLevel::SEVERE,
format!("Could not find parent folder for {:?}", path),
));
}
let content = content.into();
if path.exists() && !overwrite {
Err(Error::new(
LogLevel::SEVERE,
format!(
"File already exists: {:?} -- Consider using overwrite-flag",
path
),
))
} else {
match File::create(path) {
Ok(mut file) => Ok(file.write_all(content.as_bytes()).unwrap()),
Err(err) => Err(Error::from(err)),
}
}
}