77 lines
2.2 KiB
Rust
77 lines
2.2 KiB
Rust
use std::fs;
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use std::path::Path;
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use anyhow::{Context, Result};
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use serde::{Deserialize, Serialize};
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use super::file::FileMeta;
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use crate::constants::META_VERSION;
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use crate::utils::{basename, should_skip_dir, should_skip_file};
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct DirSnapshot {
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pub dir_name: String,
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pub dirs: Vec<DirSnapshot>,
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pub files: Vec<FileMeta>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub v: Option<String>,
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}
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impl DirSnapshot {
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pub fn build_root(path: &Path) -> Result<Self> {
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let mut node = Self::build_node(path)?;
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node.v = Some(META_VERSION.to_string());
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Ok(node)
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}
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fn build_node(path: &Path) -> Result<Self> {
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let dir_name = path
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.file_name()
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.map(basename)
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.unwrap_or_else(|| path.to_string_lossy().to_string());
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let mut dirs = Vec::new();
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let mut files = Vec::new();
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let mut entries = fs::read_dir(path)
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.with_context(|| format!("无法遍历目录: {}", path.display()))?
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.collect::<Result<Vec<_>, _>>()
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.with_context(|| format!("读取目录失败: {}", path.display()))?;
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entries.sort_by(|a, b| a.file_name().cmp(&b.file_name()));
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for entry in entries {
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let file_name = entry.file_name();
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let name = file_name.to_string_lossy().to_string();
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let full_path = entry.path();
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let file_type = entry
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.file_type()
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.with_context(|| format!("无法读取类型: {}", full_path.display()))?;
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if file_type.is_dir() {
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if should_skip_dir(&name) {
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continue;
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}
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println!("目录: {}", full_path.display());
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dirs.push(Self::build_node(&full_path)?);
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continue;
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}
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if should_skip_file(&name) {
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continue;
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}
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let meta = FileMeta::from_path(&full_path)?;
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println!("文件: {} {}", meta.friendly_size, full_path.display());
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files.push(meta);
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}
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Ok(Self {
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dir_name,
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dirs,
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files,
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v: None,
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})
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}
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}
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