logana 0.6.0

Turn any log source — files, compressed archives, Docker, or OTel streams — into structured data. Filter by pattern, field, or date range; annotate lines; bookmark findings; and export to Markdown, Jira, or AI assistants via the built-in MCP server.
Documentation 
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/// List the flat (non-recursive), non-hidden regular files in `path`.
/// Returns absolute path strings sorted by name.
/// Returns an empty Vec for non-existent or unreadable paths.
pub fn list_dir_files(path: &str) -> Vec<String> {
    let dir = match std::fs::read_dir(path) {
        Ok(d) => d,
        Err(_) => return Vec::new(),
    };
    let mut files: Vec<String> = dir
        .filter_map(|entry| entry.ok())
        .filter(|entry| {
            let fname = entry.file_name();
            let name = fname.to_string_lossy();
            // Skip hidden files (dot-prefixed).
            if name.starts_with('.') {
                return false;
            }
            // Keep regular files only (no dirs, symlinks to dirs, etc.).
            entry.file_type().map(|t| t.is_file()).unwrap_or(false)
        })
        .filter_map(|entry| entry.path().to_str().map(|s| s.to_string()))
        .collect();
    files.sort();
    files
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_list_dir_files_basic() {
        let tmp = tempfile::tempdir().unwrap();
        let dir = tmp.path();
        std::fs::write(dir.join("b.log"), b"b").unwrap();
        std::fs::write(dir.join("a.log"), b"a").unwrap();
        let files = list_dir_files(dir.to_str().unwrap());
        assert_eq!(files.len(), 2);
        // sorted by name
        assert!(files[0].ends_with("a.log"));
        assert!(files[1].ends_with("b.log"));
    }

    #[test]
    fn test_list_dir_files_excludes_hidden() {
        let tmp = tempfile::tempdir().unwrap();
        let dir = tmp.path();
        std::fs::write(dir.join("visible.log"), b"v").unwrap();
        std::fs::write(dir.join(".hidden"), b"h").unwrap();
        let files = list_dir_files(dir.to_str().unwrap());
        assert_eq!(files.len(), 1);
        assert!(files[0].ends_with("visible.log"));
    }

    #[test]
    fn test_list_dir_files_excludes_subdirs() {
        let tmp = tempfile::tempdir().unwrap();
        let dir = tmp.path();
        std::fs::write(dir.join("file.log"), b"f").unwrap();
        std::fs::create_dir(dir.join("subdir")).unwrap();
        let files = list_dir_files(dir.to_str().unwrap());
        assert_eq!(files.len(), 1);
        assert!(files[0].ends_with("file.log"));
    }

    #[test]
    fn test_list_dir_files_empty_dir() {
        let tmp = tempfile::tempdir().unwrap();
        let files = list_dir_files(tmp.path().to_str().unwrap());
        assert!(files.is_empty());
    }

    #[test]
    fn test_list_dir_files_nonexistent() {
        let files = list_dir_files("/nonexistent/path/xyz123");
        assert!(files.is_empty());
    }
}