2.0.1

add python installation to dockerfile

Dockerfile

@@ -1,5 +1,7 @@
 FROM node:10-alpine
 
+RUN apk add g++ make python
+
 RUN mkdir -p /home/node/app/node_modules && chown -R node:node /home/node/app
 
 WORKDIR /home/node/app

__mocks__/matrix-js-sdk.js

@@ -157,6 +157,10 @@ export const mockGetGroupUsers = jest.fn(() => {
 
 export const mockGetUser = jest.fn().mockReturnValue({ presence: 'online'});
 
+export const mockSendStateEvent = jest.fn(() => {
+  return Promise.resolve();
+});
+
 export const mockClient = {
   registerRequest: mockRegisterRequest,
   initCrypto: mockInitCrypto,
@@ -186,6 +190,7 @@ export const mockClient = {
   getJoinedRoomMembers: mockGetJoinedRoomMembers,
   getUser: mockGetUser,
   getGroupUsers: mockGetGroupUsers,
+  sendStateEvent: mockSendStateEvent,
 }
 
 export const WebStorageSessionStore = jest.fn()

dist/bot.js

@@ -26,12 +26,14 @@ var _logger = _interopRequireDefault(require("./logger"));
 var _encryptAttachment = _interopRequireDefault(require("./encrypt-attachment"));
 
 global.Olm = require("olm");
+const BOT_SIGNAL_END_CHAT = 'END_CHAT';
 
 class OcrccBot {
   constructor(botConfig) {
     this.config = botConfig;
     this.client = matrix.createClient(this.config.MATRIX_SERVER_URL);
     this.joinedRooms = [];
+    this.inactivityTimers = {};
   }
 
   createLocalStorage() {
@@ -46,20 +48,20 @@ class OcrccBot {
     return new _nodeLocalstorage.LocalStorage(localStoragePath);
   }
 
-  sendTextMessage(roomId, msgText, showToUser = null) {
+  async sendTextMessage(roomId, msgText, showToUser = null) {
     const content = {
       msgtype: "m.text",
       body: msgText,
       showToUser: showToUser
     };
-    this.sendMessage(roomId, content);
+    await this.sendMessage(roomId, content);
   }
 
   async sendNotice(roomId, message) {
-    _logger.default.log("info", `SENDING *NOTICE*: ${message}`);
-
     try {
       await this.client.sendNotice(roomId, message);
+
+      _logger.default.log("info", `SENT *NOTICE*: ${message}`);
     } catch (err) {
       switch (err["name"]) {
         case "UnknownDeviceError":
@@ -128,10 +130,9 @@ class OcrccBot {
   }
 
   async inviteFacilitators(roomId) {
+    try {
       this.localStorage.setItem(`${roomId}-waiting`, 'true');
       let invitations = [];
-
-    try {
       const roomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID);
       const members = Object.keys(roomMembers["joined"]);
       members.forEach(memberId => {
@@ -158,9 +159,8 @@ class OcrccBot {
   }
 
   async uninviteFacilitators(roomId) {
-    this.localStorage.removeItem(`${roomId}-waiting`);
-
     try {
+      this.localStorage.removeItem(`${roomId}-waiting`);
       const facilitatorsRoomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID);
       const supportRoomMembers = await this.client.getJoinedRoomMembers(roomId);
       const roomMembersIds = Object.keys(supportRoomMembers["joined"]);
@@ -183,14 +183,23 @@ class OcrccBot {
       this.sendTextMessage(roomId, this.config.BOT_ERROR_MESSAGE);
     }
 
-    this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, `The Help Bot ran into an error: ${error}. Please verify that the chat service is working.`);
+    this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, `${this.config.BOT_DISPLAY_NAME} ran into an error: ${error}. Please verify that the chat service is working.`);
   }
 
   handleMessageEvent(event) {
-    const content = event.getContent(); // do nothing if there's no content
+    const content = event.getContent();
+    const sender = event.getSender();
+    const roomId = event.getRoomId(); // do nothing if there's no content
 
     if (!content) {
       return;
+    } // if it's a chat message and the facilitator has joined, reset the inactivity timeout
+
+
+    const facilitatorId = this.localStorage.getItem(`${roomId}-facilitator`);
+
+    if (Boolean(facilitatorId) && sender !== this.config.BOT_USERID) {
+      this.setInactivityTimeout(roomId);
     } // bot commands
 
 
@@ -216,7 +225,7 @@ class OcrccBot {
       const filepath = this.localStorage.getItem(`${roomId}-transcript`);
 
       if (!filepath) {
-        return _logger.default.log("error", `NO TRANSCRIPT FILE FOR ROOM: ${roomId}`);
+        return _logger.default.log("error", `NO TRANSCRIPT FILE FOR ROOM: ${roomId}. This message will not be added: ${content.body}`);
       }
 
       const message = `${sender} [${time}]: ${content.body}\n`;
@@ -227,41 +236,50 @@ class OcrccBot {
   }
 
   handleBotCommand(event) {
+    const botCommands = [{
+      keyword: 'transcript',
+      function: (senderId, roomId) => {
+        this.sendTranscript(senderId, roomId);
+      }
+    }, {
+      keyword: 'delete transcript',
+      function: (senderId, roomId) => {
+        this.deleteTranscript(senderId, roomId, true);
+      } // delete transcript and send confirmation message
+
+    }, {
+      keyword: 'say',
+      function: (senderId, roomId, message) => {
+        this.sendTextMessage(roomId, message, senderId);
+      }
+    }, {
+      keyword: 'hi',
+      function: (senderId, roomId) => {
+        const responses = ["Hi!", "Hello", "Hey :)", "Hi there", "Bleep bloop"];
+        const message = responses[Math.floor(Math.random() * responses.length)];
+        this.sendTextMessage(roomId, message, senderId);
+      }
+    }];
+
     try {
       const senderId = event.getSender();
       const roomId = event.getRoomId();
       const content = event.getContent();
-      const command = content.body.substring("!bot".length).trim();
+      const commandText = content.body.substring("!bot".length).trim();
+      const command = botCommands.find(c => commandText.startsWith(c.keyword));
 
-      switch (command) {
+      if (!command) {
-        case "transcript":
-          this.sendTranscript(senderId, roomId);
-          break;
-
-        case "transcript please":
-          this.sendTranscript(senderId, roomId);
-          break;
-
-        case "delete transcript":
-          this.deleteTranscript(senderId, roomId);
-          break;
-
-        case "hi":
-          const responses = ["Hi!", "Hello", "Hey :)", "Hi there", "Bleep bloop"];
-          const message = responses[Math.floor(Math.random() * responses.length)];
-          this.sendTextMessage(roomId, message, senderId);
-          break;
-
-        default:
         this.sendTextMessage(roomId, `Sorry, I don't know that command. I'm not a very smart bot.`, senderId);
-          break;
       }
+
+      const args = commandText.substring(command.keyword.length).trim();
+      command.function(senderId, roomId, args);
     } catch (err) {
       _logger.default.log("error", `ERROR EXECUTING BOT COMMAND: ${err}`);
     }
   }
 
-  async leaveEmptyRooms(senderId) {
+  async leaveEmptyRooms() {
     try {
       const roomData = await this.client.getJoinedRooms();
       const joinedRoomsIds = roomData["joined_rooms"];
@@ -270,16 +288,16 @@ class OcrccBot {
 
         if (room && room.getJoinedMemberCount() === 1) {
           try {
-            _logger.default.log('info', "LEAVING EMPTY ROOM => " + roomId);
-
             await this.client.leave(roomId);
+
+            _logger.default.log('info', `LEAVING EMPTY ROOM => ${roomId}`);
           } catch (err) {
-            _logger.default.log('error', "ERROR LEAVING EMPTY ROOM => " + err);
+            _logger.default.log('error', `ERROR LEAVING ROOM ${roomId} => ${err}`);
           }
         }
       });
     } catch (err) {
-      _logger.default.log("error", `ERROR GETTING JOINED ROOMS: ${err}`);
+      _logger.default.log("error", `ERROR LEAVING EMPTY ROOMS: ${err}`);
     }
   }
 
@@ -288,7 +306,7 @@ class OcrccBot {
       const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`);
 
       if (!transcriptFile) {
-        this.sendTextMessage(roomId, "There is no transcript for this chat.", senderId);
+        this.sendTextMessage(roomId, "Cannot send transcript, there is no transcript for this chat.", senderId);
       }
 
       if (this.client.isRoomEncrypted(roomId)) {
@@ -347,11 +365,11 @@ class OcrccBot {
     }
   }
 
-  deleteTranscript(senderId, roomId) {
+  deleteTranscript(senderId, roomId, sendConfirmation = false) {
     const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`);
 
     if (!transcriptFile) {
-      return this.sendTextMessage(roomId, "There is no transcript for this chat.", senderId);
+      return this.sendTextMessage(roomId, "Cannot delete transcript, there is no transcript for this chat.", senderId);
     }
 
     fs.unlink(transcriptFile, err => {
@@ -363,11 +381,13 @@ class OcrccBot {
         return this.sendTextMessage(roomId, `There was an error deleting the transcript: ${err}`, senderId);
       }
 
-      this.localStorage.removeItem(`${roomId}-transcript`);
+      if (sendConfirmation) {
+        this.sendTextMessage(roomId, `The transcript file has been deleted.`, senderId);
+      }
 
       _logger.default.log('info', "DELETED TRANSCRIPT FILE => " + transcriptFile);
 
-      this.sendTextMessage(roomId, `The transcript file has been deleted.`, senderId);
+      this.localStorage.removeItem(`${roomId}-transcript`);
     });
   }
 
@@ -418,13 +438,14 @@ class OcrccBot {
 
             _logger.default.log("info", "AUTO JOINED ROOM => " + room.roomId);
 
-            const currentDate = new Date();
+            const inviteDate = event.getDate();
-            const chatDate = currentDate.toLocaleDateString();
+            const chatDate = inviteDate.toLocaleDateString();
-            const chatTime = currentDate.toLocaleTimeString();
+            const chatTime = inviteDate.toLocaleTimeString();
             const roomId = room.roomId.split(':')[0];
             const notification = `Incoming support chat at ${chatTime} (room ID: ${roomId})`;
             this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, notification);
             this.inviteFacilitators(room.roomId);
+            this.setTimeoutforFacilitator(room.roomId);
           }
         } catch (err) {
           _logger.default.log("error", "ERROR JOINING ROOM => " + err);
@@ -432,6 +453,7 @@ class OcrccBot {
       }
 
       if (member.membership === "join" && member.userId !== this.config.BOT_USERID && this.localStorage.getItem(`${member.roomId}-waiting`)) {
+        try {
           // make sure it's a facilitator joining
           const roomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID);
           const members = Object.keys(roomMembers["joined"]);
@@ -481,38 +503,100 @@ class OcrccBot {
               this.localStorage.setItem(`${member.roomId}-transcript`, filepath);
             }
           }
+        } catch (err) {
+          _logger.default.log("error", `ERROR WHEN FACILITATOR JOINED ROOM ==> ${err}`);
+        }
       }
 
       if (member.membership === "leave" && member.userId !== this.config.BOT_USERID) {
-        // ensure bot is still in the room
-        const roomData = await this.client.getJoinedRooms();
-        const joinedRooms = roomData["joined_rooms"];
-        const isBotInRoom = joinedRooms.includes(member.roomId);
         const room = this.client.getRoom(member.roomId);
-        if (!room) return; // leave if there is nobody in the room
+        if (!room) return;
+        const roomMembers = await room.getJoinedMembers(); // array
 
-        const memberCount = room.getJoinedMemberCount();
+        const facilitatorRoomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID); // object
+
+        const isBotInRoom = Boolean(roomMembers.find(member => member.userId === this.config.BOT_USERID)); // leave if there is nobody in the room
+
+        try {
+          const memberCount = roomMembers.length;
 
           if (memberCount === 1 && isBotInRoom) {
             // just the bot left
-          _logger.default.log("info", `LEAVING EMPTY ROOM ==> ${member.roomId}`);
+            _logger.default.log("info", `LEAVING EMPTY ROOM: ${member.roomId}`);
 
             this.deleteTranscript(member.userId, member.roomId);
             this.localStorage.removeItem(`${member.roomId}-facilitator`);
             this.localStorage.removeItem(`${member.roomId}-transcript`);
-          return this.client.leave(member.roomId);
+            this.localStorage.removeItem(`${member.roomId}-waiting`);
+            return await this.client.leave(member.roomId);
+          }
+        } catch (err) {
+          return _logger.default.log("error", `ERROR LEAVING EMPTY ROOM ==> ${err}`);
         } // notify room if the facilitator has left
 
 
+        try {
           const facilitatorId = this.localStorage.getItem(`${member.roomId}-facilitator`);
 
           if (isBotInRoom && member.userId === facilitatorId) {
-          this.sendTextMessage(member.roomId, `${member.name} has left the chat.`);
+            this.sendTextMessage(member.roomId, `${member.name} has left the chat.`); // send notification to Support Chat Notifications room
+
+            const currentDate = new Date();
+            const chatTime = currentDate.toLocaleTimeString();
+            const roomId = member.roomId.split(':')[0];
+            const notification = `${member.name} left the chat at ${chatTime} (room ID: ${roomId})`;
+            await this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, notification);
+          }
+        } catch (err) {
+          _logger.default.log("error", `ERROR NOTIFYING THAT FACLITATOR HAS LEFT THE ROOM ==> ${err}`);
+        } // send signal to close the chat if there are no facilitators in the room
+
+
+        try {
+          const facilitators = facilitatorRoomMembers['joined'];
+          let facilitatorInRoom = false;
+          roomMembers.forEach(member => {
+            if (member.userId !== this.config.BOT_USERID && Boolean(facilitators[member.userId])) {
+              facilitatorInRoom = true;
+            }
+          });
+
+          if (!facilitatorInRoom) {
+            _logger.default.log("info", `NO FACILITATORS LEFT, SENDING SIGNAL TO END CHAT`);
+
+            this.sendBotSignal(member.roomId, BOT_SIGNAL_END_CHAT);
+          }
+        } catch (err) {
+          _logger.default.log("error", `ERROR SENDING BOT SIGNAL ==> ${err}`);
         }
       }
     });
   }
 
+  setTimeoutforFacilitator(roomId) {
+    setTimeout(() => {
+      const stillWaiting = this.localStorage.getItem(`${roomId}-waiting`);
+
+      if (stillWaiting) {
+        this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT);
+      }
+    }, this.config.MAX_WAIT_TIME);
+  }
+
+  setInactivityTimeout(roomId) {
+    const oldTimeout = this.inactivityTimers[roomId];
+
+    if (oldTimeout) {
+      clearTimeout(oldTimeout);
+    }
+
+    const newTimeout = setTimeout(() => {
+      this.sendTextMessage(roomId, `This chat has been closed due to inactivity.`);
+      this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT);
+    }, this.config.MAX_INACTIVE);
+    this.inactivityTimers[roomId] = newTimeout;
+  }
+
   async setMessageListeners() {
     // encrypted messages
     this.client.on("Event.decrypted", (event, err) => {
@@ -532,22 +616,23 @@ class OcrccBot {
     });
   }
 
-  async leaveOldRooms() {
+  async sendBotSignal(roomId, signal, args) {
-    const roomData = await this.client.getJoinedRooms();
+    let content = {
-    roomData["joined_rooms"].forEach(async roomId => {
+      signal: signal,
+      args: args
+    };
+
     try {
-        await this.client.leave(roomId);
+      await this.client.sendStateEvent(roomId, 'm.bot.signal', content);
     } catch (err) {
-        _logger.default.log('error', "ERROR LEAVING ROOM => " + err);
+      _logger.default.log('error', "ERROR SENDING BOT SIGNAL => " + err);
     }
-    });
   }
 
   async start() {
+    try {
       const localStorage = this.createLocalStorage();
       this.localStorage = localStorage;
-
-    try {
       const auth = {
         user: this.config.BOT_USERNAME,
         password: this.config.BOT_PASSWORD,
@@ -574,6 +659,7 @@ class OcrccBot {
 
         if (state === 'PREPARED') {
           await this.deleteOldDevices();
+          await this.leaveEmptyRooms();
           await this.trackJoinedRooms();
           await this.setMembershipListeners();
           await this.setMessageListeners();

dist/bot.test.js

@@ -103,6 +103,8 @@ describe('OcrccBot', () => {
     mockAppendFileSync.mockClear();
 
     _matrixJsSdk.mockGetGroupUsers.mockClear();
+
+    _matrixJsSdk.mockSendStateEvent.mockClear();
   });
   test('constructor should inititialize class variables', () => {
     const bot = new _bot.default(botConfig);
@@ -276,4 +278,16 @@ describe('OcrccBot', () => {
       expect(_matrixJsSdk.mockStartClient).toHaveBeenCalled();
     });
   });
+  test('#sendBotSignal should send custom state event', () => {
+    const bot = new _bot.default(botConfig);
+    bot.start();
+    const test_room_id = 'test_room_id';
+    const signal = 'END_CHAT';
+    bot.sendBotSignal(test_room_id, signal);
+    (0, _waitForExpect.default)(() => {
+      expect(_matrixJsSdk.mockSendStateEvent).toHaveBeenCalledWith(test_room_id, 'm.bot.signal', {
+        signal
+      });
+    });
+  });
 });

dist/index.js

@@ -19,7 +19,10 @@ const {
   BOT_PASSWORD,
   BOT_DISPLAY_NAME,
   FACILITATOR_ROOM_ID,
-  CAPTURE_TRANSCRIPTS
+  CAPTURE_TRANSCRIPTS,
+  CHAT_NOT_AVAILABLE_MESSAGE,
+  MAX_WAIT_TIME,
+  MAX_INACTIVE
 } = process.env;
 const botConfig = {
   ENCRYPTION_CONFIG,
@@ -32,7 +35,15 @@ const botConfig = {
   BOT_PASSWORD,
   BOT_DISPLAY_NAME,
   FACILITATOR_ROOM_ID,
-  CAPTURE_TRANSCRIPTS
+  CAPTURE_TRANSCRIPTS,
+  CHAT_NOT_AVAILABLE_MESSAGE,
+  MAX_WAIT_TIME,
+  MAX_INACTIVE
 };
 const bot = new _bot.default(botConfig);
-bot.start();
+
+try {
+  bot.start();
+} catch (err) {
+  console.log("AAAAAAAAAAAAA", err);
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "private-safesupport-bot",
-  "version": "1.2.0",
+  "version": "2.0.1",
   "description": "Chatbot to manage interactions on Safe Support Chat",
   "main": "dist/index.js",
   "scripts": {

src/bot.js

@@ -11,12 +11,15 @@ import * as matrix from "matrix-js-sdk";
 import logger from "./logger";
 import encrypt from "./encrypt-attachment";
 
+const BOT_SIGNAL_END_CHAT = 'END_CHAT'
+
 
 class OcrccBot {
   constructor(botConfig) {
     this.config = botConfig
     this.client = matrix.createClient(this.config.MATRIX_SERVER_URL);
     this.joinedRooms = [];
+    this.inactivityTimers = {};
   }
 
   createLocalStorage() {
@@ -29,21 +32,20 @@ class OcrccBot {
     return new LocalStorage(localStoragePath);
   }
 
-  sendTextMessage(roomId, msgText, showToUser = null) {
+  async sendTextMessage(roomId, msgText, showToUser = null) {
     const content = {
       msgtype: "m.text",
       body: msgText,
       showToUser: showToUser
     };
 
-    this.sendMessage(roomId, content);
+    await this.sendMessage(roomId, content);
   }
 
-
   async sendNotice(roomId, message) {
-    logger.log("info", `SENDING *NOTICE*: ${message}`)
     try {
       await this.client.sendNotice(roomId, message)
+      logger.log("info", `SENT *NOTICE*: ${message}`)
     } catch(err) {
       switch (err["name"]) {
         case "UnknownDeviceError":
@@ -106,10 +108,9 @@ class OcrccBot {
   }
 
   async inviteFacilitators(roomId) {
+    try {
       this.localStorage.setItem(`${roomId}-waiting`, 'true')
       let invitations = []
-
-    try {
       const roomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID)
       const members = Object.keys(roomMembers["joined"]);
 
@@ -140,9 +141,8 @@ class OcrccBot {
 
 
   async uninviteFacilitators(roomId) {
-    this.localStorage.removeItem(`${roomId}-waiting`)
-
     try {
+      this.localStorage.removeItem(`${roomId}-waiting`)
       const facilitatorsRoomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID)
       const supportRoomMembers = await this.client.getJoinedRoomMembers(roomId)
 
@@ -170,18 +170,26 @@ class OcrccBot {
 
     this.sendTextMessage(
       this.config.FACILITATOR_ROOM_ID,
-      `The Help Bot ran into an error: ${error}. Please verify that the chat service is working.`
+      `${this.config.BOT_DISPLAY_NAME} ran into an error: ${error}. Please verify that the chat service is working.`
     );
   }
 
   handleMessageEvent(event) {
     const content = event.getContent();
+    const sender = event.getSender()
+    const roomId = event.getRoomId();
 
     // do nothing if there's no content
     if (!content) {
       return;
     }
 
+    // if it's a chat message and the facilitator has joined, reset the inactivity timeout
+    const facilitatorId = this.localStorage.getItem(`${roomId}-facilitator`)
+    if (Boolean(facilitatorId) && sender !== this.config.BOT_USERID) {
+      this.setInactivityTimeout(roomId)
+    }
+
     // bot commands
     if (content.body.startsWith("!bot")) {
       return this.handleBotCommand(event);
@@ -205,7 +213,7 @@ class OcrccBot {
       const filepath = this.localStorage.getItem(`${roomId}-transcript`)
 
       if (!filepath) {
-        return logger.log("error", `NO TRANSCRIPT FILE FOR ROOM: ${roomId}`);
+        return logger.log("error", `NO TRANSCRIPT FILE FOR ROOM: ${roomId}. This message will not be added: ${content.body}`);
       }
 
       const message = `${sender} [${time}]: ${content.body}\n`;
@@ -217,23 +225,24 @@ class OcrccBot {
   }
 
   handleBotCommand(event) {
-    try {
+    const botCommands = [
-      const senderId = event.getSender();
+      {
-      const roomId = event.getRoomId();
+        keyword: 'transcript',
-      const content = event.getContent();
+        function: (senderId, roomId) => { this.sendTranscript(senderId, roomId) }
-      const command = content.body.substring("!bot".length).trim();
+      },
-
+      {
-      switch (command) {
+        keyword: 'delete transcript',
-        case "transcript":
+        function: (senderId, roomId) => { this.deleteTranscript(senderId, roomId, true) } // delete transcript and send confirmation message
-          this.sendTranscript(senderId, roomId);
+      },
-          break;
+      {
-        case "transcript please":
+        keyword: 'say',
-          this.sendTranscript(senderId, roomId);
+        function: (senderId, roomId, message) => {
-          break;
+          this.sendTextMessage(roomId, message, senderId);
-        case "delete transcript":
+        }
-          this.deleteTranscript(senderId, roomId);
+      },
-          break;
+      {
-        case "hi":
+        keyword: 'hi',
+        function: (senderId, roomId) => {
           const responses = [
             "Hi!",
             "Hello",
@@ -241,24 +250,34 @@ class OcrccBot {
             "Hi there",
             "Bleep bloop"
           ];
-          const message =
+          const message = responses[Math.floor(Math.random() * responses.length)];
-            responses[Math.floor(Math.random() * responses.length)];
           this.sendTextMessage(roomId, message, senderId);
-          break;
+        }
-        default:
+      }
+    ]
+    try {
+      const senderId = event.getSender();
+      const roomId = event.getRoomId();
+      const content = event.getContent();
+      const commandText = content.body.substring("!bot".length).trim();
+      const command = botCommands.find(c => commandText.startsWith(c.keyword))
+
+      if (!command) {
         this.sendTextMessage(
           roomId,
           `Sorry, I don't know that command. I'm not a very smart bot.`,
           senderId
         );
-          break;
       }
+
+      const args = commandText.substring(command.keyword.length).trim()
+      command.function(senderId, roomId, args)
     } catch (err) {
       logger.log("error", `ERROR EXECUTING BOT COMMAND: ${err}`);
     }
   }
 
-  async leaveEmptyRooms(senderId) {
+  async leaveEmptyRooms() {
     try {
       const roomData = await this.client.getJoinedRooms()
       const joinedRoomsIds = roomData["joined_rooms"]
@@ -266,15 +285,15 @@ class OcrccBot {
         const room = this.client.getRoom(roomId)
         if (room && room.getJoinedMemberCount() === 1) {
           try {
-            logger.log('info', "LEAVING EMPTY ROOM => " + roomId)
             await this.client.leave(roomId)
+            logger.log('info', `LEAVING EMPTY ROOM => ${roomId}`)
           } catch(err) {
-            logger.log('error', "ERROR LEAVING EMPTY ROOM => " + err)
+            logger.log('error', `ERROR LEAVING ROOM ${roomId} => ${err}`)
           }
         }
       })
     } catch(err) {
-      logger.log("error", `ERROR GETTING JOINED ROOMS: ${err}`);
+      logger.log("error", `ERROR LEAVING EMPTY ROOMS: ${err}`);
     }
   }
 
@@ -285,7 +304,7 @@ class OcrccBot {
       if (!transcriptFile) {
         this.sendTextMessage(
           roomId,
-          "There is no transcript for this chat.",
+          "Cannot send transcript, there is no transcript for this chat.",
           senderId
         );
       }
@@ -348,13 +367,13 @@ class OcrccBot {
     }
   }
 
-  deleteTranscript(senderId, roomId) {
+  deleteTranscript(senderId, roomId, sendConfirmation=false) {
     const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`)
 
     if (!transcriptFile) {
       return this.sendTextMessage(
         roomId,
-        "There is no transcript for this chat.",
+        "Cannot delete transcript, there is no transcript for this chat.",
         senderId
       );
     }
@@ -370,13 +389,17 @@ class OcrccBot {
           senderId
         );
       }
-      this.localStorage.removeItem(`${roomId}-transcript`)
+
-      logger.log('info', "DELETED TRANSCRIPT FILE => " + transcriptFile)
+      if (sendConfirmation) {
         this.sendTextMessage(
           roomId,
           `The transcript file has been deleted.`,
           senderId
         );
+      }
+
+      logger.log('info', "DELETED TRANSCRIPT FILE => " + transcriptFile)
+      this.localStorage.removeItem(`${roomId}-transcript`)
     });
   }
 
@@ -423,13 +446,14 @@ class OcrccBot {
           if (!joinedRooms.includes(member.roomId)) {
             const room = await this.client.joinRoom(member.roomId)
             logger.log("info", "AUTO JOINED ROOM => " + room.roomId)
-            const currentDate = new Date()
+            const inviteDate = event.getDate()
-            const chatDate = currentDate.toLocaleDateString()
+            const chatDate = inviteDate.toLocaleDateString()
-            const chatTime = currentDate.toLocaleTimeString()
+            const chatTime = inviteDate.toLocaleTimeString()
             const roomId = room.roomId.split(':')[0]
             const notification = `Incoming support chat at ${chatTime} (room ID: ${roomId})`
             this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, notification);
             this.inviteFacilitators(room.roomId)
+            this.setTimeoutforFacilitator(room.roomId)
           }
         } catch(err) {
           logger.log("error", "ERROR JOINING ROOM => " + err)
@@ -441,6 +465,7 @@ class OcrccBot {
         member.userId !== this.config.BOT_USERID &&
         this.localStorage.getItem(`${member.roomId}-waiting`)
       ) {
+        try {
           // make sure it's a facilitator joining
           const roomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID)
           const members = Object.keys(roomMembers["joined"]);
@@ -497,42 +522,106 @@ class OcrccBot {
               this.localStorage.setItem(`${member.roomId}-transcript`, filepath)
             }
           }
+        } catch(err) {
+          logger.log("error", `ERROR WHEN FACILITATOR JOINED ROOM ==> ${err}`);
+        }
       }
 
       if (
         member.membership === "leave" &&
         member.userId !== this.config.BOT_USERID
       ) {
-        // ensure bot is still in the room
-        const roomData = await this.client.getJoinedRooms()
-        const joinedRooms = roomData["joined_rooms"]
-        const isBotInRoom = joinedRooms.includes(member.roomId)
-
         const room = this.client.getRoom(member.roomId)
-        if (!room) return
+        if (!room) return;
+
+        const roomMembers = await room.getJoinedMembers() // array
+        const facilitatorRoomMembers = await this.client.getJoinedRoomMembers(this.config.FACILITATOR_ROOM_ID) // object
+        const isBotInRoom = Boolean(roomMembers.find(member => member.userId === this.config.BOT_USERID))
 
         // leave if there is nobody in the room
-        const memberCount = room.getJoinedMemberCount()
+        try {
+          const memberCount = roomMembers.length
           if (memberCount === 1 && isBotInRoom) { // just the bot left
-          logger.log("info", `LEAVING EMPTY ROOM ==> ${member.roomId}`);
+            logger.log("info", `LEAVING EMPTY ROOM: ${member.roomId}`);
             this.deleteTranscript(member.userId, member.roomId);
             this.localStorage.removeItem(`${member.roomId}-facilitator`)
             this.localStorage.removeItem(`${member.roomId}-transcript`)
-          return this.client.leave(member.roomId)
+            this.localStorage.removeItem(`${member.roomId}-waiting`)
+            return await this.client.leave(member.roomId)
+          }
+        } catch(err) {
+          return logger.log("error", `ERROR LEAVING EMPTY ROOM ==> ${err}`);
         }
 
         // notify room if the facilitator has left
+        try {
           const facilitatorId = this.localStorage.getItem(`${member.roomId}-facilitator`)
           if (isBotInRoom && member.userId === facilitatorId) {
             this.sendTextMessage(
               member.roomId,
               `${member.name} has left the chat.`
             );
+            // send notification to Support Chat Notifications room
+            const currentDate = new Date()
+            const chatTime = currentDate.toLocaleTimeString()
+            const roomId = member.roomId.split(':')[0]
+            const notification = `${member.name} left the chat at ${chatTime} (room ID: ${roomId})`
+            await this.sendTextMessage(this.config.FACILITATOR_ROOM_ID, notification);
+          }
+        } catch(err) {
+          logger.log("error", `ERROR NOTIFYING THAT FACLITATOR HAS LEFT THE ROOM ==> ${err}`);
+        }
+
+        // send signal to close the chat if there are no facilitators in the room
+        try {
+          const facilitators = facilitatorRoomMembers['joined']
+          let facilitatorInRoom = false;
+
+          roomMembers.forEach(member => {
+            if (member.userId !== this.config.BOT_USERID && Boolean(facilitators[member.userId])) {
+              facilitatorInRoom = true
+            }
+          })
+
+          if (!facilitatorInRoom) {
+            logger.log("info", `NO FACILITATORS LEFT, SENDING SIGNAL TO END CHAT`);
+            this.sendBotSignal(member.roomId, BOT_SIGNAL_END_CHAT)
+          }
+
+        } catch(err) {
+          logger.log("error", `ERROR SENDING BOT SIGNAL ==> ${err}`);
         }
       }
     })
   }
 
+  setTimeoutforFacilitator(roomId) {
+    setTimeout(() => {
+      const stillWaiting = this.localStorage.getItem(`${roomId}-waiting`)
+      if (stillWaiting) {
+        this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT)
+      }
+    }, this.config.MAX_WAIT_TIME)
+  }
+
+  setInactivityTimeout(roomId) {
+    const oldTimeout = this.inactivityTimers[roomId];
+
+    if (oldTimeout) {
+      clearTimeout(oldTimeout);
+    }
+
+    const newTimeout = setTimeout(() => {
+      this.sendTextMessage(
+        roomId,
+        `This chat has been closed due to inactivity.`
+      );
+      this.sendBotSignal(roomId, BOT_SIGNAL_END_CHAT)
+    }, this.config.MAX_INACTIVE)
+
+    this.inactivityTimers[roomId] = newTimeout;
+  }
+
   async setMessageListeners() {
     // encrypted messages
     this.client.on("Event.decrypted", (event, err) => {
@@ -551,23 +640,23 @@ class OcrccBot {
     });
   }
 
-  async leaveOldRooms() {
+  async sendBotSignal (roomId, signal, args) {
-    const roomData = await this.client.getJoinedRooms()
+    let content = {
-
+      signal: signal,
-    roomData["joined_rooms"].forEach(async roomId => {
+      args: args,
-      try {
+    }
-        await this.client.leave(roomId)
+    try {
-      } catch(err) {
+      await this.client.sendStateEvent(roomId, 'm.bot.signal', content)
-       logger.log('error', "ERROR LEAVING ROOM => " + err)
+    } catch(err) {
+      logger.log('error', "ERROR SENDING BOT SIGNAL => " + err)
     }
-    })
   }
 
   async start() {
+    try {
       const localStorage = this.createLocalStorage();
       this.localStorage = localStorage
 
-    try {
       const auth = {
         user: this.config.BOT_USERNAME,
         password: this.config.BOT_PASSWORD,
@@ -592,6 +681,7 @@ class OcrccBot {
         logger.log("info", `SYNC STATUS: ${state}`)
         if (state === 'PREPARED') {
           await this.deleteOldDevices()
+          await this.leaveEmptyRooms()
           await this.trackJoinedRooms()
           await this.setMembershipListeners();
           await this.setMessageListeners();

src/bot.test.js

@@ -32,7 +32,8 @@ import {
   mockKick,
   mockGetJoinedRoomMembers,
   mockGetUser,
-  mockGetGroupUsers
+  mockGetGroupUsers,
+  mockSendStateEvent,
 } from "matrix-js-sdk";
 
 import OcrccBot from './bot'
@@ -100,6 +101,7 @@ describe('OcrccBot', () => {
     mockSendTextMessage.mockClear()
     mockAppendFileSync.mockClear()
     mockGetGroupUsers.mockClear()
+    mockSendStateEvent.mockClear()
   })
 
 
@@ -325,4 +327,17 @@ describe('OcrccBot', () => {
       expect(mockStartClient).toHaveBeenCalled()
     })
   })
+
+  test('#sendBotSignal should send custom state event', () => {
+    const bot = new OcrccBot(botConfig)
+    bot.start()
+    const test_room_id = 'test_room_id'
+    const signal = 'END_CHAT'
+
+    bot.sendBotSignal(test_room_id, signal)
+
+    waitForExpect(() => {
+      expect(mockSendStateEvent).toHaveBeenCalledWith(test_room_id, 'm.bot.signal', { signal })
+    })
+  })
 })

src/index.js

@@ -5,6 +5,7 @@ const KICK_REASON = "A facilitator has already joined this chat.";
 const BOT_ERROR_MESSAGE =
   "Something went wrong on our end, please restart the chat and try again.";
 const MAX_RETRIES = 3;
+
 const {
   MATRIX_SERVER_URL,
   BOT_USERNAME,
@@ -13,6 +14,9 @@ const {
   BOT_DISPLAY_NAME,
   FACILITATOR_ROOM_ID,
   CAPTURE_TRANSCRIPTS,
+  CHAT_NOT_AVAILABLE_MESSAGE,
+  MAX_WAIT_TIME,
+  MAX_INACTIVE,
 } = process.env;
 
 const botConfig = {
@@ -27,9 +31,16 @@ const botConfig = {
   BOT_DISPLAY_NAME,
   FACILITATOR_ROOM_ID,
   CAPTURE_TRANSCRIPTS,
+  CHAT_NOT_AVAILABLE_MESSAGE,
+  MAX_WAIT_TIME,
+  MAX_INACTIVE,
 }
 
 import OcrccBot from './bot'
 
 const bot = new OcrccBot(botConfig);
-bot.start();
+try {
+  bot.start();
+} catch(err) {
+  console.log("AAAAAAAAAAAAA", err)
+}