Store file upload history on server

app/lib/RoomClient.js

@@ -238,6 +238,22 @@ export default class RoomClient
 			});
 	}
 
+	getFileHistory()
+	{
+		logger.debug('getFileHistory()');
+
+		return this._protoo.send('file-history', {})
+			.catch((error) =>
+			{
+				logger.error('getFileHistory() | failed: %o', error);
+
+				this._dispatch(requestActions.notify({
+					type: 'error',
+					text: 'Could not get file history'
+				}));
+			})
+	}
+
 	muteMic()
 	{
 		logger.debug('muteMic()');
@@ -1177,6 +1193,22 @@ export default class RoomClient
 					break;
 				}
 
+				case 'file-history-receive':
+				{
+					accept();
+
+					const files = request.data.fileHistory;
+
+					if (files.length > 0)
+					{
+						logger.debug('Got files history');
+
+						this._dispatch(stateActions.addFileHistory(files));
+					}
+
+					break;
+				}
+
 				default:
 				{
 					logger.error('unknown protoo method "%s"', request.method);
@@ -1314,7 +1346,8 @@ export default class RoomClient
 				this._dispatch(stateActions.removeAllNotifications());
 
 				this.getChatHistory();
-
+				this.getFileHistory();
+				
 				this._dispatch(requestActions.notify(
 					{
 						text    : 'You are in the room',

app/lib/redux/reducers/sharing.js

@@ -8,6 +8,9 @@ const sharing = (state = [], action) =>
 		case 'ADD_FILE':
 			return [ ...state, action.payload ];
 
+		case 'ADD_FILE_HISTORY':
+			return [ ...action.payload.fileHistory, ...state ];
+
 		default:
 			return state;
 	}

app/lib/redux/stateActions.js

@@ -449,6 +449,14 @@ export const addFile = (payload) =>
 	};
 };
 
+export const addFileHistory = (fileHistory) =>
+{
+	return {
+		type: 'ADD_FILE_HISTORY',
+		payload: { fileHistory }
+	};
+};
+
 export const setPicture = (picture) =>
 	({
 		type    : 'SET_PICTURE',

server/lib/Room.js

@@ -28,6 +28,8 @@ class Room extends EventEmitter
 
 		this._chatHistory = [];
 
+		this._fileHistory = [];
+
 		try
 		{
 			// Protoo Room instance.
@@ -278,6 +280,8 @@ class Room extends EventEmitter
 
 					const { file } = request.data;
 
+					this._fileHistory.push(file);
+	
 					this._protooRoom.spread('file-receive', {
 						file
 					}, [ protooPeer ]);
@@ -285,6 +289,17 @@ class Room extends EventEmitter
 					break;
 				}
 
+				case 'file-history':
+				{
+					accept();
+
+					protooPeer.send('file-history-receive', {
+						fileHistory: this._fileHistory
+					});
+
+					break;
+				}
+
 				case 'raisehand-message':
 				{
 					accept();