athene 2.0.4

A simple and lightweight rust web framework based on hyper
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use crate::Result;
use multer::Field;
use std::{
    ffi::OsStr,
    path::{Path, PathBuf},
};
use tempfile::Builder;
use tokio::{fs::File, io::AsyncWriteExt};

#[derive(Clone, Debug)]
pub struct FilePart {
    name: Option<String>,
    path: PathBuf,
    size: u64,
    temp_dir: PathBuf,
}

impl FilePart {
    #[inline]
    pub fn name(&self) -> Option<&str> {
        self.name.as_deref()
    }
    #[inline]
    pub fn name_mut(&mut self) -> Option<&mut String> {
        self.name.as_mut()
    }
    #[inline]
    pub fn path(&self) -> &PathBuf {
        &self.path
    }
    #[inline]
    pub fn temp_dir(&self) -> &PathBuf {
        &self.temp_dir
    }
    #[inline]
    pub fn size(&self) -> u64 {
        self.size
    }

    #[inline]
    pub(crate) async fn new(field: &mut Field<'_>) -> Result<Self> {
        let mut path = Builder::new()
            .prefix("http_multipart")
            .tempdir()
            .unwrap()
            .into_path();
        let temp_dir = path.clone();
        let name = field.file_name().map(|s| s.to_owned());
        path.push(
            name.as_deref()
                .and_then(|name| Path::new(name).extension().and_then(OsStr::to_str))
                .unwrap_or("unknown"),
        );

        let mut file = File::create(&path).await?;
        let mut size = 0;
        while let Some(chunk) = field.chunk().await? {
            size += chunk.len() as u64;
            file.write_all(&chunk).await?;
        }
        Ok(Self {
            name,
            path,
            size,
            temp_dir,
        })
    }
}