Put update_user_entry back into the cache

Not really related to the events by any means

src/cache/cache_events_impl.rs

@@ -66,8 +66,6 @@ pub(crate) trait CacheEventsImpl {
     fn update_with_user_update(&mut self, event: &UserUpdateEvent) -> CurrentUser;
 
     fn update_with_voice_state_update(&mut self, event: &VoiceStateUpdateEvent);
-
-    fn update_user_entry(&mut self, user: &User);
 }
 
 impl CacheEventsImpl for super::Cache {
@@ -526,15 +524,4 @@ impl CacheEventsImpl for super::Cache {
             return;
         }
     }
-
-    fn update_user_entry(&mut self, user: &User) {
-        match self.users.entry(user.id) {
-            Entry::Vacant(e) => {
-                e.insert(Arc::new(RwLock::new(user.clone())));
-            },
-            Entry::Occupied(mut e) => {
-                e.get_mut().write().unwrap().clone_from(user);
-            },
-        }
-    }
 } 

src/cache/mod.rs

@@ -41,7 +41,7 @@
 //! [`Role`]: ../model/struct.Role.html
 //! [`CACHE`]: ../struct.CACHE.html
 //! [`http`]: ../http/index.html
-
+use std::collections::hash_map::Entry;
 use std::collections::{HashMap, HashSet};
 use std::default::Default;
 use std::sync::{Arc, RwLock};
@@ -592,6 +592,17 @@ impl Cache {
     pub fn user<U: Into<UserId>>(&self, user_id: U) -> Option<Arc<RwLock<User>>> {
         self.users.get(&user_id.into()).cloned()
     }
+
+    fn update_user_entry(&mut self, user: &User) {
+        match self.users.entry(user.id) {
+            Entry::Vacant(e) => {
+                e.insert(Arc::new(RwLock::new(user.clone())));
+            },
+            Entry::Occupied(mut e) => {
+                e.get_mut().write().unwrap().clone_from(user);
+            },
+        }
+    }
 }
 
 impl Default for Cache {