rename iter_locals to get_local_users; make get_local_users skip on parse errors; remove deprecated function count_local_users

src/database/admin.rs

@@ -95,14 +95,11 @@ impl Admin {
 
                         match event {
                             AdminCommand::ListLocalUsers => {
-                                // collect local users only
-                                let users = guard.users.iter_locals();
+                                let users = guard.users.get_local_users();
 
                                 let mut msg: String = format!("Found {} local user account(s):\n", users.len());
                                 msg += &users.join("\n");
                                 
-                                // send number of local users as plain text:
-                                // TODO: send as Markdown
                                 send_message(RoomMessageEventContent::text_plain(&msg), guard, &state_lock);
                             }
                             AdminCommand::RegisterAppservice(yaml) => {

src/database/users.rs

@@ -84,16 +84,6 @@ impl Users {
         Ok(self.userid_password.iter().count())
     }
 
-    /// The method is DEPRECATED and was replaced by iter_locals()
-    /// 
-    /// This method will only count those local user accounts with
-    /// a password thus returning only real accounts on this instance.
-    #[tracing::instrument(skip(self))]
-    pub fn count_local_users(&self) -> Result<usize> {
-        let n = self.userid_password.iter().filter(|(_, bytes)| bytes.len() > 0).count();
-        Ok(n)
-    }
-
 
     /// Find out which user an access token belongs to.
     #[tracing::instrument(skip(self, token))]
@@ -134,13 +124,19 @@ impl Users {
         })
     }
 
-    /// Returns a vector of local usernames
+    /// Returns a list of local usernames, that is, a parseable username
+    /// with a password of length greater then zero bytes.
+    /// If utils::string_from_bytes returns an error that username will be skipped
+    /// and the function will log the error
     #[tracing::instrument(skip(self))]
-    pub fn iter_locals(&self) -> Vec<String> {
+    pub fn get_local_users(&self) -> Vec<String> {
         self.userid_password.iter().filter(|(_, pw)| pw.len() > 0).map(|(username, _)| {
             match utils::string_from_bytes(&username) {
                 Ok(s) => s,
-                Err(e) => e.to_string()
+                Err(e) => {
+                    Error::bad_database(format!("Failed to parse username: {}", e.to_string()));
+                    None
+                }
             }
         }).collect::<Vec<String>>()
     }