use serde::Serialize;
use serde::de::DeserializeOwned;
use serde_json;
use std::fs::{self, File};
use std::io::Read;
use std::path::{Path, PathBuf};
use error::{AccessError, Result};
pub fn load<A, P: ?Sized>(path: &P) -> Result<A>
where
A: DeserializeOwned,
P: AsRef<Path>,
{
let mut f = File::open(path).map_err(|inner| AccessError {
inner,
path: path.as_ref().to_owned(),
})?;
let mut string = String::new();
let _ = f.read_to_string(&mut string);
let result: A = serde_json::from_str(string.as_str())?;
Ok(result)
}
pub fn mkdirp<P>(path: &P) -> Result<()>
where
P: AsRef<Path>,
{
fs::create_dir_all(path.as_ref())?;
Ok(())
}
pub fn mv(from: &Path, to: &Path) -> Result<()> {
fs::rename(from, to)?;
Ok(())
}
pub fn rmrf(path: &Path) -> Result<()> {
fs::remove_dir_all(path)?;
Ok(())
}
pub fn save<D, P>(data: &D, path: &P) -> Result<()>
where
D: Serialize,
P: AsRef<Path>,
{
let buf = serde_json::to_string(&data)?;
save_string(&buf, path)
}
pub fn save_string<P>(data: &str, path: &P) -> Result<()>
where
P: AsRef<Path>,
{
use std::io::Write;
File::create(path)
.and_then(|mut f| f.write_all(data.as_bytes()))
.map_err(|inner| AccessError {
inner,
path: path.as_ref().to_owned(),
})?;
Ok(())
}
pub fn list_existing_reports<P>(directory: &P) -> Result<Vec<PathBuf>>
where
P: AsRef<Path>,
{
let mut paths = vec![];
for entry in fs::read_dir(directory)? {
let path = entry?.path().join("report");
if path.is_dir() && path.join("index.html").is_file() {
paths.push(path.to_owned());
}
}
Ok(paths)
}