oracle_lib/utils/
path.rs

1//! Path and filesystem helpers
2
3use std::path::Path;
4
5/// Recursively compute total size of a directory in bytes. Returns `None` on permission or I/O error.
6pub fn dir_size(path: &Path) -> Option<u64> {
7    if !path.is_dir() {
8        return Some(0);
9    }
10    let mut total = 0u64;
11    let entries = std::fs::read_dir(path).ok()?;
12    for entry in entries.flatten() {
13        let path = entry.path();
14        if path.is_dir() {
15            total += dir_size(&path)?;
16        } else {
17            total += entry.metadata().ok().map(|m| m.len()).unwrap_or(0);
18        }
19    }
20    Some(total)
21}
22
23/// Format byte count as human-readable string (e.g. 1_048_576 -> "1.0 MB").
24pub fn format_bytes(bytes: u64) -> String {
25    const KB: u64 = 1024;
26    const MB: u64 = KB * 1024;
27    const GB: u64 = MB * 1024;
28    if bytes >= GB {
29        format!("{:.1} GB", bytes as f64 / GB as f64)
30    } else if bytes >= MB {
31        format!("{:.1} MB", bytes as f64 / MB as f64)
32    } else if bytes >= KB {
33        format!("{:.1} KB", bytes as f64 / KB as f64)
34    } else {
35        format!("{} B", bytes)
36    }
37}
oracle_lib/utils/path.rs

oracle_lib/utils/
path.rs
