move to rocket + refactor

src/db.rs

@@ -49,7 +49,7 @@ impl ItemDB {
         let mongodb = get_mongo!();
 
         for item in &index.documents {
-            let item = ItemEntry::new(item.clone());
+            let item = ItemEntry::new(item);
             item.init_db(&mongodb).await;
         }
 
@@ -62,7 +62,7 @@ impl ItemDB {
             self.index
                 .documents
                 .iter()
-                .map(|x| ItemEntry::new(x.clone()))
+                .map(ItemEntry::new)
                 .find(|x| x.name == item)?,
         ))
     }
@@ -71,7 +71,7 @@ impl ItemDB {
     pub fn items(&self) -> Vec<String> {
         let mut ret = vec![];
         for item in &self.index.documents {
-            let item = ItemEntry::new(item.clone());
+            let item = ItemEntry::new(item);
             ret.push(item.name);
         }
         ret