Initial Commit

src/local.rs

@@ -0,0 +1,27 @@
+use crate::FileList;
+use crate::Opt;
+use chrono::DateTime;
+use std::collections::BTreeMap;
+use std::fs::*;
+
+pub fn file_list(opt: &Opt) -> anyhow::Result<FileList> {
+    let mut list = BTreeMap::new();
+
+    for entry in read_dir(&opt.path)? {
+        let entry = entry?;
+
+        if !entry.file_type()?.is_dir() {
+            continue;
+        }
+
+        let name = match entry.file_name().into_string() {
+            Ok(name) => name,
+            Err(_) => continue,
+        };
+
+        let date = DateTime::parse_from_rfc3339(&name)?;
+        list.insert(date, name);
+    }
+
+    Ok(list)
+}