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#[cfg(test)]
mod tests;
use bytesize::ByteSize;
use walkdir::WalkDir;
use rayon::prelude::*;
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::time::SystemTime;
#[derive(Debug, Clone)]
pub struct File {
pub size: u64,
pub ext: Option<String>,
pub path: PathBuf,
pub modified: SystemTime,
}
impl std::fmt::Display for File {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"
DIRECTORY
Path: {}
Size: {}
Ext: {:?}
Modified: {:?}
",
self.path.display(),
self.size,
self.ext,
self.modified.duration_since(std::time::UNIX_EPOCH)
)
}
}
#[derive(Debug, Clone, Default)]
pub struct Directory {
pub size: u64,
pub combined_size: u64,
pub path: PathBuf,
pub files: Vec<File>,
pub directories: Vec<PathBuf>,
pub parent: Option<PathBuf>,
}
impl Directory {
pub fn new(path: PathBuf) -> Directory {
Directory {
path,
..Default::default()
}
}
pub fn files_as_fake_dir(&self) -> Directory {
Directory {
files: self.files.clone(),
size: self.size,
combined_size: self.size,
path: PathBuf::from("Files"),
directories: vec![],
parent: self.parent.clone(),
}
}
pub fn sorted_subdirs(&self, info: &DirInfo) -> Vec<Directory> {
let mut sorted_dirs: Vec<Directory> = self
.directories
.iter()
.map(|d| info.tree.get(d))
.flatten()
.cloned()
.collect();
sorted_dirs.sort_by(|a, b| b.combined_size.cmp(&a.combined_size));
sorted_dirs
}
pub fn sorted_files(&self) -> Vec<File> {
let mut sorted_files = self.files.clone();
sorted_files.sort_by(|a, b| b.size.cmp(&a.size));
sorted_files
}
}
impl Iterator for Directory {
type Item = PathBuf;
fn next(&mut self) -> Option<PathBuf> {
self.directories.pop()
}
}
impl std::fmt::Display for Directory {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"
DIRECTORY
Path: {}
Size: {}
Combined Size: {}
Files: {:#?}
",
self.path.display(),
ByteSize(self.size),
ByteSize(self.combined_size),
self.files
)
}
}
#[derive(Debug, Clone, Default)]
pub struct FileType {
pub size: u64,
pub ext: String,
pub files: Vec<File>,
}
#[derive(Debug, Clone)]
pub struct DirInfo {
pub filetypes: HashMap<String, FileType>,
pub files: Vec<File>,
pub files_by_size: Vec<File>,
pub types_by_size: Vec<FileType>,
pub dirs_by_size: Vec<Directory>,
pub tree: HashMap<PathBuf, Directory>,
pub combined_size: u64,
}
impl DirInfo {
pub fn new() -> DirInfo {
DirInfo {
filetypes: HashMap::new(),
files: vec![],
files_by_size: vec![],
types_by_size: vec![],
dirs_by_size: vec![],
tree: HashMap::new(),
combined_size: 0,
}
}
pub fn types_by_size(&self) -> Vec<FileType> {
let mut ftypes: Vec<_> = self
.filetypes
.par_iter()
.map(|f| f.1)
.map(|f| {
let mut f = f.clone();
f.files.par_sort_by(|a, b| b.size.cmp(&a.size));
f
})
.collect();
ftypes.par_sort_by(|a, b| b.size.cmp(&a.size));
ftypes
}
pub fn files_by_size(&self) -> Vec<File> {
let mut count = self.files.clone();
count.par_sort_by(|a, b| b.size.cmp(&a.size));
count
}
pub fn dirs_by_size(&self) -> Vec<Directory> {
let mut dirs: Vec<Directory> = self.tree.values().cloned().collect();
dirs.par_sort_by(|a, b| b.size.cmp(&a.size));
dirs
}
}
pub fn scan_callback<P: AsRef<Path>, F: Fn(&DirInfo)>(
source: P,
callback: F,
update_rate_ms: u128,
) -> DirInfo {
let mut dirinfo = DirInfo::new();
let mut updatetimer = std::time::Instant::now();
WalkDir::new(&source)
.into_iter()
.flatten()
.for_each(|x| {
if x.path().is_dir() {
if let Some(parent) = x.path().parent() {
let entry = dirinfo
.tree
.entry(parent.to_path_buf())
.or_insert(Directory {
path: parent.to_path_buf(),
..Default::default()
});
entry.directories.push(x.path().to_path_buf());
}
}
else {
let ext_string: Option<String> = x
.path()
.extension()
.map(|x| x.to_string_lossy().to_string().to_lowercase());
if let Ok(meta) = x.metadata() {
let size = meta.len();
dirinfo.combined_size += size;
let file = File {
size,
ext: ext_string.clone(),
path: x.path().to_path_buf(),
modified: meta.modified().unwrap_or(SystemTime::UNIX_EPOCH),
};
if let Some(containing_dir) = x.path().parent() {
let tree_dir =
dirinfo
.tree
.entry(containing_dir.to_path_buf())
.or_insert(Directory {
path: containing_dir.to_path_buf(),
parent: containing_dir.parent().map(|x| x.to_path_buf()),
..Default::default()
});
tree_dir.files.push(file.clone());
tree_dir.size += size;
for a in containing_dir.ancestors() {
if let Some(p) = source.as_ref().parent() {
if a == p {
break;
}
}
dirinfo
.tree
.entry(a.to_path_buf())
.or_insert(Directory {
path: a.to_path_buf(),
parent: a.parent().map(|x| x.to_path_buf()),
..Default::default()
})
.combined_size += size;
}
}
if let Some(ext) = ext_string {
let ftype = dirinfo.filetypes.entry(ext.clone()).or_insert(FileType {
ext,
size,
files: vec![],
});
ftype.files.push(file.clone());
}
dirinfo.files.push(file.clone());
}
}
if updatetimer.elapsed().as_millis() > update_rate_ms {
callback(&dirinfo);
updatetimer = std::time::Instant::now();
}
});
dirinfo.files_by_size = dirinfo.files_by_size();
dirinfo.types_by_size = dirinfo.types_by_size();
dirinfo.dirs_by_size = dirinfo.dirs_by_size();
dirinfo
}
pub fn scan<P: AsRef<Path>>(source: P) -> DirInfo {
scan_callback(source, |_| {}, std::u128::MAX)
}