MODERATE_CHAT role can clear the chat in a room, references issue #209

app/src/reducers/chat.js

@@ -30,6 +30,11 @@ const chat = (state = [], action) =>
 			return [ ...state, ...chatHistory ];
 		}
 
+		case 'CLEAR_CHAT':
+		{
+			return [];
+		}
+
 		default:
 			return state;
 	}

app/src/reducers/room.js

@@ -22,11 +22,13 @@ const initialState =
 	muteAllInProgress      : false,
 	stopAllVideoInProgress : false,
 	closeMeetingInProgress : false,
+	clearChatInProgress    : false,
 	userRoles              : { NORMAL: 'normal' }, // Default role
 	permissionsFromRoles   : {
 		CHANGE_ROOM_LOCK : [],
 		PROMOTE_PEER     : [],
 		SEND_CHAT        : [],
+		MODERATE_CHAT    : [],
 		SHARE_SCREEN     : [],
 		SHARE_FILE       : [],
 		MODERATE_ROOM    : []
@@ -184,6 +186,9 @@ const room = (state = initialState, action) =>
 		case 'CLOSE_MEETING_IN_PROGRESS':
 			return { ...state, closeMeetingInProgress: action.payload.flag };
 
+		case 'CLEAR_CHAT_IN_PROGRESS':
+			return { ...state, clearChatInProgress: action.payload.flag };
+
 		case 'SET_USER_ROLES':
 		{
 			const { userRoles } = action.payload;