list warrens + explore nested folders

backend/src/fs/dir.rs

@@ -0,0 +1,38 @@
+use std::path::Path;
+
+use tokio::fs;
+
+use crate::{Result, error::AppError};
+
+use super::{DirectoryEntry, FileType};
+
+pub async fn get_dir_entries<P>(path: P) -> Result<Vec<DirectoryEntry>>
+where
+    P: AsRef<Path>,
+{
+    let mut dir = fs::read_dir(path).await?;
+
+    let mut files = Vec::new();
+
+    while let Ok(Some(entry)) = dir.next_entry().await {
+        let name = entry
+            .file_name()
+            .into_string()
+            .map_err(|_| AppError::FileName)?;
+        let file_type = {
+            let file_type = entry.file_type().await?;
+
+            if file_type.is_dir() {
+                FileType::Directory
+            } else if file_type.is_file() {
+                FileType::File
+            } else {
+                continue;
+            }
+        };
+
+        files.push(DirectoryEntry::new(name, file_type));
+    }
+
+    Ok(files)
+}

backend/src/fs/mod.rs

@@ -0,0 +1,24 @@
+mod dir;
+pub use dir::*;
+
+use serde::Serialize;
+
+#[derive(Debug, Clone, Copy, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum FileType {
+    File,
+    Directory,
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct DirectoryEntry {
+    name: String,
+    file_type: FileType,
+}
+
+impl DirectoryEntry {
+    pub fn new(name: String, file_type: FileType) -> Self {
+        Self { name, file_type }
+    }
+}