feat: automatic termination of older sessions on login (temporary until release 4);

fix: login controller method not returning tokens

backend/internal/database/query.sql.go

@@ -664,6 +664,18 @@ func (q *Queries) PruneTerminatedSessions(ctx context.Context) error {
 	return err
 }
 
+const terminateAllSessionsForUserByUsername = `-- name: TerminateAllSessionsForUserByUsername :exec
+UPDATE sessions
+SET terminated = TRUE
+FROM users
+WHERE sessions.user_id = users.id AND users.username = $1::text
+`
+
+func (q *Queries) TerminateAllSessionsForUserByUsername(ctx context.Context, username string) error {
+	_, err := q.db.Exec(ctx, terminateAllSessionsForUserByUsername, username)
+	return err
+}
+
 const updateBannedUser = `-- name: UpdateBannedUser :exec
 UPDATE banned_users
 SET