Making module respones a callback

* Moved responding code into a callback
* Fixed the broken LOG_LEVEL setup
* Spelling corrections
* Printing rooms joined to logs on startup

bot/bot.js

@@ -21,11 +21,15 @@ class Bot {
             userId: this.config.userId
         });
 
-        this.client.on("sync", (state, previousState, data) => {
+        this.client.on("sync", async (state, previousState, data) => {
             switch (state) {
                 case "PREPARED":
                     this.connected = true;
-                    this.sendStatusStartup();
+                    await this.sendStatusStartup();
+                    this.client.getJoinedRooms()
+                        .done((rooms) => {
+                            logger.info("Connected to: %o", rooms)
+                        });
                     break;
                 case "SYNCING":
                     logger.debug("Syncing")
@@ -38,11 +42,11 @@ class Bot {
                     process.exit(1);
             }
         });
-    
+
         this.client.on("RoomMember.membership", (event, member) => {
             if (member.membership === "invite"
                 && this.config.admin.indexOf(ember.userId) >= 0) {
-                    this.client.joinRoom(member.roomId).done(() => {
+                this.client.joinRoom(member.roomId).done(() => {
                     logger.info("Auto-joined %s", member.roomId);
                 });
             }
@@ -57,9 +61,7 @@ class Bot {
         // logger.info("Initializing Crypto");
         // await bot.client.initCrypto();
         logger.info("Starting Matrix SDK Client");
-        await this.client.startClient({
-            initialSyncLimit: 0
-        });
+        await this.client.startClient();
     }
 
     sendStatusStartup() {

bot/config.js

@@ -13,7 +13,7 @@ function getConfig(configFile) {
     if (config === null) {
         configPath = configFile;
         config = require(configFile);
-        logger.info("Leaded config:");
+        logger.info("Loaded config:");
         logger.debug("%o", sanitizeConfig(config));
     }
     return config;

bot/engine.js

@@ -14,6 +14,7 @@ class Engine {
         this.bot = bot;
         this.modules = modules;
         this.moduleMap = new Map();
+        this.commands = [];
         this.commandMap = new Map();
         this.commandRadixTree = trie([]);
     }
@@ -34,6 +35,7 @@ class Engine {
 
         this.helpModule = help.create(this.moduleMap)
         this.commandMap.set('help', this.helpModule);
+        this.commands = Array.from(this.commandMap.keys()).sort()
 
         logger.info("Bound modules to keywords: %o", this.moduleMap);
     }
@@ -56,20 +58,13 @@ class Engine {
                     logger.debug("[%s] %s", room.name, messageBody);
                     if (messageBody.indexOf(sentinelValue) === 0) {
                         let command = messageBody.split(' ')[0].substring(1);
-                        var responseMessage = null;
                         if (engine.commandMap.has(command)) {
-                            responseMessage = engine.commandMap.get(command).handleMessage(event, room);
+                            engine.commandMap.get(command).handleMessage(event, room, sendResponseMessageCallback(engine.bot));
                         } else {
-                            responseMessage = engine.helpModule.help();
-                        }
-
-                        logger.debug("Responding to room: %s", room.roomId);
-                        if (responseMessage instanceof Object) {
-                            engine.bot.client.sendMessage(room.roomId, responseMessage);
-                        } else if (utility.isString(responseMessage)) {
-                            engine.bot.client.sendMessage(room.roomId, message.createBasic(responseMessage));
-                        } else {
-                            logger.error("Unable to process response message: %s", responseMessage);
+                            let responseMessage = "The following commands are recognized"
+                            responseMessage += "\n" + engine.commands.join(", ")
+                            responseMessage += "\nAdditional information can be discovered with !help <command>"
+                            sendResponseMessage(engine.bot, room, responseMessage);
                         }
                     }
                 }
@@ -104,6 +99,35 @@ class Engine {
     }
 }
 
+/**
+ * Handle the callback sending messages via the bot
+ * 
+ * @param {*} bot 
+ * @param {*} room 
+ * @param {*} responseMessage 
+ */
+function sendResponseMessage(bot, room, responseMessage) {
+    logger.debug("Responding to room: %s", room.roomId);
+    if (responseMessage instanceof Object) {
+        bot.client.sendMessage(room.roomId, responseMessage);
+    } else if (utility.isString(responseMessage)) {
+        bot.client.sendMessage(room.roomId, message.createBasic(responseMessage));
+    } else {
+        logger.error("Unable to process response message: %s", responseMessage);
+    }
+}
+
+/**
+ * Wrapper to produce a callback function that can be passed to the modules
+ * 
+ * @param {*} bot 
+ */
+function sendResponseMessageCallback(bot) {
+    return (room, responseMessage) => {
+        sendResponseMessage(bot, room, responseMessage);
+    }
+}
+
 function create(config, bot) {
     return new Engine(config, bot, modules)
 }

bot/logging.js

@@ -22,7 +22,8 @@ if (process.env.NODE_ENV !== 'production') {
     }));
 }
 
-if (process.env.LOG_LEVEL !== '') {
+if ('LOG_LEVE' in process.env) {
+    logger.info('LOG_LEVEL:', process.env.LOG_LEVEL)
     logger.level = process.env.LOG_LEVEL
 }
 

bot/module/abstract.js

@@ -16,9 +16,12 @@ class AbstractModule {
         this.command = command;
     }
 
-    handleMessage(event, room) {
+    handleMessage(event, room, callback) {
         logger.debug("[%s] [%s] [%s]", this.name, room.name, event.event.content.body);
-        return message.createBasic(this.name + " processed the message");
+        callback(
+            room,
+            message.createBasic(this.name + " processed the message")
+        );
     }
 
     help(event, room) {