From b2df5bf4f3701b75aba6d9addc975da1c4e5bdaf Mon Sep 17 00:00:00 2001
From: Akulij <aakulij@gmail.com>
Date: Mon, 2 Jun 2025 16:44:48 +0500
Subject: [PATCH] db: some functions do not require mut db

---
 src/db/mod.rs | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/db/mod.rs b/src/db/mod.rs
index 1e5882f..db6b0c2 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -212,6 +212,10 @@ impl CallDB for DB {
     async fn get_database(&mut self) -> Database {
         self.client.database(&self.name)
     }
+
+    async fn get_database_immut(&self) -> Database {
+        self.client.database(&self.name)
+    }
 }
 
 impl<T: CallDB> GetCollection for T {
@@ -233,9 +237,10 @@ pub type DbResult<T> = Result<T, DbError>;
 pub trait CallDB {
     //type C;
     async fn get_database(&mut self) -> Database;
+    async fn get_database_immut(&self) -> Database;
     //async fn get_pool(&mut self) -> PooledConnection<'_, AsyncDieselConnectionManager<C>>;
-    async fn get_users(&mut self) -> DbResult<Vec<User>> {
-        let db = self.get_database().await;
+    async fn get_users(&self) -> DbResult<Vec<User>> {
+        let db = self.get_database_immut().await;
         let users = db.collection::<User>("users");
 
         Ok(users.find(doc! {}).await?.try_collect().await?)
@@ -350,8 +355,8 @@ pub trait CallDB {
         Ok(())
     }
 
-    async fn get_literal(&mut self, literal: &str) -> DbResult<Option<Literal>> {
-        let db = self.get_database().await;
+    async fn get_literal(&self, literal: &str) -> DbResult<Option<Literal>> {
+        let db = self.get_database_immut().await;
         let messages = db.collection::<Literal>("literals");
 
         let literal = messages.find_one(doc! { "token": literal }).await?;
@@ -359,7 +364,7 @@ pub trait CallDB {
         Ok(literal)
     }
 
-    async fn get_literal_value(&mut self, literal: &str) -> DbResult<Option<String>> {
+    async fn get_literal_value(&self, literal: &str) -> DbResult<Option<String>> {
         let literal = self.get_literal(literal).await?;
 
         Ok(literal.map(|l| l.value))