leave rooms when empty, use localStorage

src/bot.js

@@ -17,7 +17,6 @@ class OcrccBot {
     this.awaitingFacilitator = {};
     this.client = matrix.createClient(this.config.MATRIX_SERVER_URL);
     this.joinedRooms = [];
-    this.activeChatrooms = {};
   }
 
   createLocalStorage() {
@@ -56,7 +55,7 @@ class OcrccBot {
               }
             });
           });
-          return this.sendMessage(roomId, content);
+          await this.sendMessage(roomId, content);
         default:
           logger.log("error", `ERROR SENDING MESSAGE: ${err}`);
           break;
@@ -82,7 +81,7 @@ class OcrccBot {
   }
 
   async inviteFacilitators(roomId) {
-    this.awaitingFacilitator[roomId] = true;
+    this.localStorage.setItem(`${roomId}-waiting`, 'true')
     let chatOffline = true;
 
     try {
@@ -114,7 +113,7 @@ class OcrccBot {
   }
 
   async uninviteFacilitators(roomId) {
-    this.awaitingFacilitator[roomId] = false;
+    this.localStorage.removeItem(`${roomId}-waiting`)
 
     try {
       const groupUsers = await this.client.getGroupUsers(this.config.FACILITATOR_GROUP_ID)
@@ -173,7 +172,7 @@ class OcrccBot {
       const time = date.toLocaleTimeString("en-GB", {
         timeZone: "America/New_York"
       });
-      const filepath = this.activeChatrooms[roomId].transcriptFile;
+      const filepath = this.localStorage.getItem(`${roomId}-transcript`)
       const message = `${sender} [${time}]: ${content.body}\n`;
 
       fs.appendFileSync(filepath, message, "utf8");
@@ -190,9 +189,6 @@ class OcrccBot {
       const command = content.body.substring("!bot".length).trim();
 
       switch (command) {
-        case "purge rooms":
-          this.leaveEmptyRooms(senderId);
-          break;
         case "transcript":
           this.sendTranscript(senderId, roomId);
           break;
@@ -246,9 +242,8 @@ class OcrccBot {
 
   async sendTranscript(senderId, roomId) {
     try {
-      const transcriptFile = this.activeChatrooms[roomId]
-        ? this.activeChatrooms[roomId].transcriptFile
-        : false;
+      const transcriptFile = this.localStorage.getItem(`${roomId}-transcript`)
+
       if (!transcriptFile) {
         this.sendTextMessage(
           roomId,
@@ -320,17 +315,16 @@ class OcrccBot {
         member.userId === this.config.BOT_USERID &&
         !this.joinedRooms.includes(member.roomId)
       ) {
-
         try {
           const room = await this.client.joinRoom(member.roomId)
-          logger.log("info", "AUTO JOINED ROOM" + room.roomId)
+          logger.log("info", "AUTO JOINED ROOM => " + room.roomId)
           this.sendTextMessage(
             this.config.FACILITATOR_ROOM_ID,
             `A support seeker requested a chat (Room ID: ${room.roomId})`
           );
           this.inviteFacilitators(room.roomId)
         } catch(err) {
-          logger.log("error", "ERROR JOINING ROOM =>" + err)
+          logger.log("error", "ERROR JOINING ROOM => " + err)
         }
       }
 
@@ -339,11 +333,9 @@ class OcrccBot {
       if (
         member.membership === "join" &&
         member.userId !== this.config.BOT_USERID &&
-        this.awaitingFacilitator[member.roomId]
+        this.localStorage.getItem(`${member.roomId}-waiting`)
       ) {
-        this.activeChatrooms[member.roomId] = {
-          facilitator: member.userId
-        };
+        this.localStorage.setItem(`${member.roomId}-facilitator`, member.userId)
         const event = {
           getType: () => {
             return "m.room.power_levels";
@@ -380,7 +372,7 @@ class OcrccBot {
           });
           const filename = `${chatDate} - ${chatTime} - ${member.roomId}.txt`;
           const filepath = path.resolve(path.join("transcripts", filename));
-          this.activeChatrooms[member.roomId].transcriptFile = filepath;
+          this.localStorage.setItem(`${member.roomId}-transcript`, filepath)
         }
       }
 
@@ -388,8 +380,8 @@ class OcrccBot {
         member.membership === "leave" &&
         member.userId !== this.config.BOT_USERID
       ) {
-
-        if (this.activeChatrooms[member.roomId] && member.userId === this.activeChatrooms[member.roomId].facilitator) {
+        const facilitatorId = this.localStorage.getItem(`${member.roomId}-facilitator`)
+        if (member.userId === facilitatorId) {
           this.sendTextMessage(
             member.roomId,
             `${member.name} has left the chat.`
@@ -404,13 +396,15 @@ class OcrccBot {
 
         if (memberCount === 1) { // just the bot
           logger.log("info", `LEAVING EMPTY ROOM ==> ${member.roomId}`);
-          this.client.leave(event.roomId)
+          this.client.leave(member.roomId)
+          this.localStorage.removeItem(`${member.roomId}-facilitator`)
+          this.localStorage.removeItem(`${member.roomId}-transcript`)
         }
       }
     });
   }
 
-  setMessageListeners() {
+  async setMessageListeners() {
     // encrypted messages
     this.client.on("Event.decrypted", (event, err) => {
       if (err) {
@@ -442,6 +436,7 @@ class OcrccBot {
 
   async start() {
     const localStorage = this.createLocalStorage();
+    this.localStorage = localStorage
 
     try {
       const auth = {
@@ -465,7 +460,7 @@ class OcrccBot {
       await this.trackJoinedRooms()
       await this.client.initCrypto()
       await this.setMembershipListeners();
-      this.setMessageListeners();
+      await this.setMessageListeners();
       this.client.startClient({ initialSyncLimit: 0 })
     } catch(err) {
       this.handleBotCrash(undefined, err);