Only relying on the `UserStore` `AutoEncoder` impl for serialisation

3 files changed, 20 insertions, 2 deletions

diff --git a/lockchain-files/src/fs/mod.rs b/lockchain-files/src/fs/mod.rs
index eed860d..7820925 100644
--- a/lockchain-files/src/fs/mod.rs
+++ b/lockchain-files/src/fs/mod.rs
@@ -88,11 +88,11 @@ impl Filesystem {
     pub fn sync_vault<T: Body>(&self, vault: &FileVault<T>) -> Result<(), io::Error> {
         vault.config.save(&self.root)?;
 
-
         unimplemented!()
     }
 
     /// Respond to a sync request
+    #[deprecated]
     pub fn sync<T>(&self, data: &HashMap<String, T>, types: FileType) -> Result<(), Box<Error>>
     where
         T: AutoEncoder,
@@ -122,4 +122,6 @@ impl Filesystem {
 
         // Ok(())
     }
+
+    /************* Private utility functions*************/
 }
diff --git a/lockchain-files/src/fs/primitive.rs b/lockchain-files/src/fs/primitive.rs
index c5e13a3..d567a28 100644
--- a/lockchain-files/src/fs/primitive.rs
+++ b/lockchain-files/src/fs/primitive.rs
@@ -47,7 +47,7 @@ fn type_path(tt: FileType, root: &PathBuf) -> PathBuf {
     path
 }
 
-pub fn write_file(tt: FileType, root: PathBuf, name: &str, contents: Vec<u8>) -> Result<()> {
+pub(crate) fn write_file(tt: FileType, root: PathBuf, name: &str, contents: Vec<u8>) -> Result<()> {
     let file_name = format!("{}.{}", name, file_ending!(&tt));
     let mut path = type_path(tt, &root);
     path.push(file_name);
diff --git a/lockchain-files/src/userstore.rs b/lockchain-files/src/userstore.rs
index f7bfccd..4c4ff43 100644
--- a/lockchain-files/src/userstore.rs
+++ b/lockchain-files/src/userstore.rs
@@ -1,4 +1,20 @@
 //! Implements serialization, desrialization for UserStore
 
+use lcc::{errors::DataError, traits::AutoEncoder, users::UserStore};
 
+pub trait DiskMirror {
+    fn to_disk(&self) -> Vec<u8>;
+    fn from_disk(Vec<u8>) -> Result<Box<Self>, DataError>;
+}
 
+impl DiskMirror for UserStore {
+    fn to_disk(&self) -> Vec<u8> {
+        self.encode().unwrap().into_bytes()
+    }
+
+    fn from_disk(vec: Vec<u8>) -> Result<Box<Self>, DataError> {
+        Self::decode(::std::str::from_utf8(vec.as_slice()).map_err(|_| DataError::FailedDecode)?)
+            .map(|s| Box::new(s))
+            .map_err(|_| DataError::FailedDecode)
+    }
+}