초대

index.html

<script>
          /**
           * 초기 필드 변수 할당
           */
          FirebaseChat.prototype.init = function(){
              //...생략 
              this.aConfirmInvite =document.getElementById('aConfirmInvite');
          }

          /**
           * 초기 이벤트 바인딩
           */
          FirebaseChat.prototype.initEvent = function(){
              //...생략
              this.aConfirmInvite.addEventListener('click', this.onConfirmInviteClick.bind(this));
          }

          /**
           * 초대
           */
          FirebaseChat.prototype.onConfirmInviteClick = function(){
              var arrInviteUserList = Array.prototype.slice.call(this.ulAddUserList.getElementsByClassName('blue-text'));
              var arrInviteUserListLength = arrInviteUserList.length;
              var arrInviteUserName = [];
              var updates = {};
              for(var i=0; i < arrInviteUserListLength; i++){
                  var inviteUserUid = arrInviteUserList[i].getAttribute('data-targetUserUid');
                  var inviteUserName = arrInviteUserList[i].getAttribute('data-username') + '님';
                  updates['RoomUsers/'+ this.roomId +'/'+ inviteUserUid] = true;
                  arrInviteUserList[i].outerHTML = '';
                  this.roomUserlist.push(inviteUserUid);
                  this.roomUserName.push(inviteUserName);
                  arrInviteUserName.push(inviteUserName);
              }
              this.roomUserlist.sort();
              this.database.ref().update(updates);

              //초대 메세지
              this.saveMessages(arrInviteUserName.join() + '이 초대되었습니다.');
          }

          /**
           * 메세지 전송
           */
          FirebaseChat.prototype.saveMessages = function(inviteMessage){ //파라미터 추가
              var user = this.auth.currentUser;
              var msg = inviteMessage ? inviteMessage : this.dvInputChat.innerHTML.trim();

              //...생략

          }