45 lines
936 B
Rust
45 lines
936 B
Rust
use std::fs;
|
|
use tracing::{event, Level};
|
|
|
|
#[derive(Debug)]
|
|
pub enum TmpFileError {
|
|
MakePathError,
|
|
}
|
|
|
|
pub struct TmpFile {
|
|
pub path: String,
|
|
}
|
|
|
|
impl TmpFile {
|
|
pub fn new(filename: &str) -> Result<Self, TmpFileError> {
|
|
let path = std::env::temp_dir()
|
|
.join(filename)
|
|
.into_os_string()
|
|
.into_string()
|
|
.map_err(|_| TmpFileError::MakePathError)?;
|
|
|
|
Ok(Self { path })
|
|
}
|
|
|
|
pub fn exists(&self) -> bool {
|
|
match fs::metadata(&self.path) {
|
|
Ok(_) => true,
|
|
Err(_) => false,
|
|
}
|
|
}
|
|
|
|
fn delete_if_exists(&self) {
|
|
if self.exists() {
|
|
if let Err(e) = fs::remove_file(&self.path) {
|
|
event!(Level::ERROR, "{}", e);
|
|
}
|
|
}
|
|
event!(Level::INFO, "deleted {}", self.path);
|
|
}
|
|
}
|
|
|
|
impl Drop for TmpFile {
|
|
fn drop(&mut self) {
|
|
self.delete_if_exists();
|
|
}
|
|
}
|