refactor

1 files changed, 28 insertions, 0 deletions

diff --git a/src/interactive/mod.rs b/src/interactive/mod.rs
index ef02372..07c2036 100644
--- a/src/interactive/mod.rs
+++ b/src/interactive/mod.rs
@@ -3,5 +3,33 @@ pub mod widgets;
 
 pub use self::app::*;
 
+mod utils {
+    use dua::{
+        get_entry_or_panic,
+        traverse::{Tree, TreeIndex},
+    };
+    use std::path::PathBuf;
+
+    pub fn path_of(tree: &Tree, mut node_idx: TreeIndex) -> PathBuf {
+        const THE_ROOT: usize = 1;
+        let mut entries = Vec::new();
+
+        while let Some(parent_idx) = tree.neighbors_directed(node_idx, petgraph::Incoming).next() {
+            entries.push(get_entry_or_panic(tree, node_idx));
+            node_idx = parent_idx;
+        }
+        entries.push(get_entry_or_panic(tree, node_idx));
+        entries
+            .iter()
+            .rev()
+            .skip(THE_ROOT)
+            .fold(PathBuf::new(), |mut acc, entry| {
+                acc.push(&entry.name);
+                acc
+            })
+    }
+}
+pub use utils::*;
+
 #[cfg(test)]
 mod app_test;