save REPL history to a file

This persists the REPL history across program restarts.

The code should probably be cleaned up a bit more, the error handling in
this one is a bit all over the place. This is because we don't want to
make it a hard error in case the history cannot be saved.

1 files changed, 4 insertions, 9 deletions

diff --git a/src/guilds.rs b/src/guilds.rs
index 0eff6ad..24ec817 100644
--- a/src/guilds.rs
+++ b/src/guilds.rs
@@ -1,7 +1,8 @@
 //! Guild name retrieval and caching functions.
+use super::paths;
+
 use std::collections::HashMap;
 use std::fs::File;
-use std::path::PathBuf;
 use std::sync::RwLock;
 
 use once_cell::sync::Lazy;
@@ -52,15 +53,9 @@ pub fn lookup(api_id: &str) -> Option<Guild> {
     Some(guild)
 }
 
-fn cache_path() -> PathBuf {
-    let mut cache_path = dirs::cache_dir().unwrap();
-    cache_path.push("raidgrep");
-    cache_path
-}
-
 /// Loads the cache from the file system.
 pub fn prepare_cache() {
-    let path = cache_path();
+    let path = paths::cache_path();
     if !path.is_file() {
         return;
     }
@@ -73,7 +68,7 @@ pub fn prepare_cache() {
 
 /// Saves the cache to the file system
 pub fn save_cache() {
-    let path = cache_path();
+    let path = paths::cache_path();
     let file = File::create(path).expect("Cannot open cache for writing");
     serde_json::to_writer(file, &*CACHE.read().unwrap()).unwrap();
 }