make database path a pathbuf

I'm guessing it wasn't like this already because of one of the admin
commands I deleted.

src/config.rs

@@ -327,7 +327,7 @@ impl Display for DatabaseBackend {
 #[serde(deny_unknown_fields)]
 pub(crate) struct DatabaseConfig {
     pub(crate) backend: DatabaseBackend,
-    pub(crate) path: String,
+    pub(crate) path: PathBuf,
     #[serde(default = "default_db_cache_capacity_mb")]
     pub(crate) cache_capacity_mb: f64,
     #[cfg(feature = "rocksdb")]

src/database.rs

@@ -3,7 +3,6 @@ use std::{
     fs,
     io::Write,
     mem::size_of,
-    path::Path,
     sync::Arc,
 };
 
@@ -234,9 +233,9 @@ pub(crate) struct KeyValueDatabase {
 
 impl KeyValueDatabase {
     fn check_db_setup(config: &Config) -> Result<()> {
-        let path = Path::new(&config.database.path);
+        let sqlite_exists = config
-
+            .database
-        let sqlite_exists = path
+            .path
             .join(format!(
                 "{}.db",
                 if config.conduit_compat {
@@ -246,7 +245,7 @@ impl KeyValueDatabase {
                 }
             ))
             .exists();
-        let rocksdb_exists = path.join("IDENTITY").exists();
+        let rocksdb_exists = config.database.path.join("IDENTITY").exists();
 
         let mut count = 0;
 
@@ -298,7 +297,7 @@ impl KeyValueDatabase {
     pub(crate) fn load_or_create(config: &Config) -> Result<KeyValueDatabase> {
         Self::check_db_setup(config)?;
 
-        if !Path::new(&config.database.path).exists() {
+        if !config.database.path.exists() {
             fs::create_dir_all(&config.database.path).map_err(|_| {
                 Error::BadConfig(
                     "Database folder doesn't exists and couldn't be created \

src/database/abstraction/sqlite.rs

@@ -110,7 +110,7 @@ impl Engine {
 
 impl KeyValueDatabaseEngine for Arc<Engine> {
     fn open(config: &Config) -> Result<Self> {
-        let path = Path::new(&config.database.path).join(format!(
+        let path = config.database.path.join(format!(
             "{}.db",
             if config.conduit_compat {
                 "conduit"