Files
flix/crates/cli-mux/src/scan.rs
T

56 lines
1.4 KiB
Rust

//! Helpers for filesystem scanning.
use std::path::Path;
use walkdir::WalkDir;
use crate::model::MediaFile;
use crate::probe::probe_file;
/// Recursively scan a directory.
pub(crate) fn scan_directory<T>(
path: &Path,
unknown_length_start: impl FnOnce() -> T,
unknown_length_end: impl FnOnce(T),
fixed_length_start: impl FnOnce(usize) -> T,
fixed_length_update: impl Fn(&mut T),
fixed_length_end: impl FnOnce(T),
print_fn: impl Fn(&T, &str),
) -> (Vec<MediaFile>, u64) {
let spinner = unknown_length_start();
let files: Vec<_> = WalkDir::new(path)
.into_iter()
.filter_map(Result::ok)
.filter(|e| {
#[expect(clippy::filetype_is_file, reason = "we only want regular files")]
e.file_type().is_file()
})
.filter(|e| {
let ext = e.path().extension().unwrap_or_default();
ext.eq_ignore_ascii_case("mkv") || ext.eq_ignore_ascii_case("mp4")
})
.collect();
unknown_length_end(spinner);
let mut progress = fixed_length_start(files.len());
let mut total_byte_size = 0_u64;
let files: Vec<_> = files
.iter()
.filter_map(|entry| {
let file = match probe_file(entry) {
Ok(file) => Some(file),
Err(err) => {
print_fn(&progress, &format!("{err:?}"));
None
}
};
let size = file.as_ref().map(|r| r.byte_size).unwrap_or_default();
total_byte_size = total_byte_size.saturating_add(size);
fixed_length_update(&mut progress);
file
})
.collect();
fixed_length_end(progress);
(files, total_byte_size)
}