rename waltree into treedb

WAL was a wrong name. It's not a Write Ahead Log, but a "Write Behind
Log" (new concept haha), so it made no sense to keep wal.
And wbl is not unpronounceable.

ARCHITECTURE.md

@@ -56,7 +56,7 @@ This code has async code, to handle input streams and communication with clients
 - `filter.rs`: Filter managers: handle lines, persistance, store matches and trigger actions. This is the main piece of runtime logic.
 - `socket.rs`: The socket task, responsible for communication with clients.
 
-### `src/waltree`
+### `src/tree`
 
 Persistence layer.
 

src/daemon/filter.rs

@@ -15,6 +15,10 @@ use tracing::{error, info};
 use crate::{
     concepts::{Action, Filter, Match, Pattern, Time},
     protocol::{Order, PatternStatus},
+    treedb::{
+        helpers::{to_match, to_matchtime, to_time, to_u64},
+        Database, Tree,
+    },
 };
 
 use super::{shutdown::ShutdownToken, KeyspaceExt as _, MatchTime, Tree};

src/lib.rs

@@ -16,4 +16,4 @@ pub mod concepts;
 pub mod daemon;
 pub mod protocol;
 pub mod tests;
-pub mod waltree;
+pub mod treedb;

src/treedb/mod.rs

@@ -372,7 +372,7 @@ mod tests {
 
     use crate::{
         concepts::Config,
-        waltree::{helpers::*, raw::WriteDB, rotate_db, Database, Entry, DB_NAME},
+        treedb::{helpers::*, raw::WriteDB, rotate_db, Database, Entry, DB_NAME},
     };
 
     #[tokio::test]

src/treedb/raw.rs

@@ -300,7 +300,7 @@ mod tests {
     use tempfile::NamedTempFile;
     use tokio::fs::{read, write, File};
 
-    use crate::waltree::{
+    use crate::treedb::{
         raw::{DatabaseError, ReadDB, WriteDB, DB_TREE_ID},
         Entry,
     };