Merge pull request #190 from vasani-arpit/development

Development

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wbot",
-  "version": "0.14.5",
+  "version": "0.15.0",
   "description": "A simple whatsapp reply bot using puppeteer.",
   "main": "src/index.js",
   "scripts": {

src/constants.js

@@ -25,4 +25,9 @@ this.DEFAULT_CHROMIUM_ARGS = [
     "--disable-accelerated-video-decode",
     "--num-raster-threads=1",
 ];
-this.DEFAULT_DATA_DIR = path.join(process.cwd(), "chromium-data");
+this.DEFAULT_DATA_DIR = path.join(process.cwd(), "chromium-data");
+
+/**
+ * Name of the file that stores bot configuration
+ */
+this.BOT_SETTINGS_FILE = "bot.json";

src/index.js

@@ -10,6 +10,8 @@ var argv = require('yargs').argv;
 var rev = require("./detectRev");
 var constants = require("./constants");
 var configs = require("../bot");
+var settings = require('./settings');
+var fs = require("fs");
 
 //console.log(ps);
 
@@ -106,7 +108,19 @@ async function Main() {
             spinner.stop("Opening Whatsapp ... done!");
             page.exposeFunction("log", (message) => {
                 console.log(message);
-            })
+            });
+
+            // When the settings file is edited multiple calls are sent to function. This will help
+            // to prevent from getting corrupted settings data
+            let timeout = 5000;
+
+            // Register a filesystem watcher
+            fs.watch(constants.BOT_SETTINGS_FILE, (event, filename) => {
+                setTimeout(()=> {
+                    settings.LoadBotSettings(event, filename, page);
+                }, timeout);
+            });
+
             page.exposeFunction("getFile", utils.getFileInBase64);
             page.exposeFunction("resolveSpintax", spintax.unspin);
         }

src/settings.js

@@ -0,0 +1,35 @@
+const { constants } = require("crypto");
+ /**
+  * Live settings loader
+  */
+
+var utils = require("./utils");
+
+/**
+ * This function will load settings from JSON configuration file
+ * @param {*} event Event name
+ * @param {*} filename Name of the file
+ * @param {*} page Handle to webpage 
+ */
+function loadSettings(event, filename, page) 
+{
+    // Check event type
+    if(event === "change")
+    {
+        // console.log("Settings changed");
+
+        // Load JSON settings file
+        let botJson = utils.externalInjection(filename);
+
+        // Update settings
+        botJson.then((data) => {
+            page.evaluate(`var intents = ${data}`);
+        }).catch((err) => {
+            console.log(`there was an error ${err}`);
+        });
+    } else if(event === "rename") {
+        console.log("warn: filename changed");
+    }
+}
+
+this.LoadBotSettings = loadSettings;