Factor FileRoute into separate module

server/src/rbx_session.rs

@@ -1,45 +1,10 @@
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use std::collections::HashMap;
 use std::io::Read;
 use std::fs::{self, File};
 
 use id::{Id};
-
-// TODO: Add lifetime, switch to using Cow<'a, str> instead of String? It's
-// possible that it would be too cumbersome!
-#[derive(Debug, Clone, PartialEq, Hash)]
-struct FileRoute {
-    pub partition: String,
-    pub route: Vec<String>,
-}
-
-impl FileRoute {
-    /// Creates a PathBuf out of the `FileRoute` based on the given partition
-    /// `Path`.
-    // TODO: Tests
-    pub fn to_path_buf(&self, partition_path: &Path) -> PathBuf {
-        let mut result = partition_path.to_path_buf();
-
-        for route_piece in &self.route {
-            result.push(route_piece);
-        }
-
-        result
-    }
-
-    /// Creates a version of the FileRoute with the given extra pieces appended
-    /// to the end.
-    // TODO: Test
-    pub fn extended_with(&self, pieces: &[&str]) -> FileRoute {
-        let mut result = self.clone();
-
-        for piece in pieces {
-            result.route.push(piece.to_string());
-        }
-
-        result
-    }
-}
+use file_route::FileRoute;
 
 /// Represents a file or directory that has been read from the filesystem.
 // TODO: Keep track of file Path or FileRoute?