add admin role command

internal/database/guild.go

@@ -113,7 +113,9 @@ func (s guildService) GetOrCreateGuild(id string) (geeksbot.Guild, error) {
 }
 
 func (s guildService) CreateOrUpdateRole(r geeksbot.Role) (geeksbot.Role, error) {
-	queryString := "INSERT INTO roles (id, role_type, guild_id) VALUES ($1, $2, $3)"
-	_, err := s.db.Exec(queryString, r.ID, r.RoleType, r.Guild.ID)
-	return r, err
+	role, err := s.Role(r.ID)
+	if err.Error() == `pq: duplicate key value violates unique constraint "roles_pkey"` {
+		role, err = s.UpdateRole(r)
+	}
+	return role, err
 }