backend refactor file_system into warren domain

backend/src/lib/outbound/file_system.rs

@@ -3,12 +3,12 @@ use std::time::UNIX_EPOCH;
 use anyhow::{Context, anyhow};
 use tokio::{fs, io::AsyncWriteExt as _};
 
-use crate::domain::file_system::{
+use crate::domain::warren::{
     models::file::{
         AbsoluteFilePath, CreateDirectoryError, CreateDirectoryRequest, CreateFileError,
         CreateFileRequest, DeleteDirectoryError, DeleteDirectoryRequest, DeleteFileError,
         DeleteFileRequest, File, FileMimeType, FileName, FilePath, FileType, ListFilesError,
-        ListFilesRequest,
+        ListFilesRequest, RenameEntryError, RenameEntryRequest,
     },
     ports::FileSystemRepository,
 };
@@ -139,6 +139,27 @@ impl FileSystem {
 
         Ok(path)
     }
+
+    async fn rename(
+        &self,
+        path: &AbsoluteFilePath,
+        new_name: &FileName,
+    ) -> anyhow::Result<FilePath> {
+        let current_path = self.get_target_path(path);
+
+        let new_path = {
+            let mut c = current_path.to_string();
+            let last_slash_index = c.rfind('/').unwrap();
+            c.drain((last_slash_index + 1)..);
+            c.push_str(new_name.as_str());
+
+            FilePath::new(&c)?
+        };
+
+        fs::rename(current_path, &new_path).await?;
+
+        Ok(new_path)
+    }
 }
 
 impl FileSystemRepository for FileSystem {
@@ -198,4 +219,20 @@ impl FileSystemRepository for FileSystem {
 
         Ok(deleted_path)
     }
+
+    async fn rename_entry(
+        &self,
+        request: RenameEntryRequest,
+    ) -> Result<FilePath, RenameEntryError> {
+        let new_path = self
+            .rename(request.path(), request.new_name())
+            .await
+            .context(format!(
+                "Failed to rename {} to {}",
+                request.path(),
+                request.new_name()
+            ))?;
+
+        Ok(new_path)
+    }
 }