Add wiki command to fetch summaries from Wikipedia and update environment variables

Author: mrepol742

.env.example

@@ -1,4 +1,6 @@
 PROJECT_CANIS_ALIAS=Canis
 DEBUG=true
 COMMAND_PREFIX=!
-PORT=3000
+COMMAND_PREFIX_LESS=true
+PORT=3000
+AUTO_RELOAD=false

src/commands/go.ts

@@ -28,7 +28,7 @@ export default async function (msg: Message) {
     const data = response.data;
 
     if (data.AbstractText) {
-      await msg.reply(`${data.AbstractText}\n${data.AbstractURL}`);
+      await msg.reply(`${data.AbstractText}\n\n${data.AbstractURL}`);
       return;
     }
 
@@ -49,7 +49,7 @@ export default async function (msg: Message) {
     const searchUrl = `https://duckduckgo.com/?q=${encodeURIComponent(query)}`;
     await msg.reply(`DuckDuckGo search results for "${query}":\n${searchUrl}`);
   } catch (error) {
-    log.error("Command", "Error fetching DuckDuckGo results:", error);
+    log.error("Command", "Error fetching DuckDuckGo:", error);
     await msg.reply("Failed to search DuckDuckGo.");
   }
 }

src/commands/wiki.ts

@@ -0,0 +1,28 @@
+import { Message } from "whatsapp-web.js";
+import axios from "axios";
+import log from "npmlog";
+
+export const command = "wiki";
+
+export default async function (msg: Message) {
+  const query = msg.body.replace(/^wiki\s+/i, "").trim();
+  if (!query) {
+    await msg.reply("Please provide a search query.");
+    return;
+  }
+
+  try {
+    const response = await axios.get(
+      `https://en.wikipedia.org/api/rest_v1/page/summary/${encodeURIComponent(query)}`);
+
+    const data = response.data;
+    const title = data.title || query;
+    const description = data.description ? `(${data.description})` : "";
+    const extract = data.extract || "No summary available.";
+
+    await msg.reply(`${title} ${description}\n${extract}`);
+  } catch (error) {
+    log.error("Command", "Error fetching wikipedia:", error);
+    await msg.reply("Failed to fetch wikipedia.");
+  }
+}

src/index.ts

@@ -10,8 +10,10 @@ import path from "path";
 import { startServer } from "./server";
 
 const commandPrefix = process.env.COMMAND_PREFIX || "!";
+const commandPrefixLess = process.env.COMMAND_PREFIX_LESS === "true";
 const botName = process.env.PROJECT_CANIS_ALIAS || "Canis";
 const debug = process.env.DEBUG === "true";
+const autoReload = process.env.AUTO_RELOAD === "true";
 const port = process.env.PORT || 3000;
 
 log.info("Bot", `Welcome to ${botName}!`);
@@ -36,20 +38,21 @@ const loadCommand = (file: string) => {
       log.info("Loader", `Loaded command: ${commandModule.command}`);
     }
   }
-}
+};
 
 fs.readdirSync(commandsPath).forEach(loadCommand);
 
 // Watch for changes
-fs.watch(commandsPath, (eventType, filename) => {
-  if (filename && /\.js$|\.ts$/.test(filename)) {
-    try {
-      loadCommand(filename);
-    } catch (err) {
-      log.error("Loader", `Failed to reload command: ${filename}`, err);
+if (autoReload)
+  fs.watch(commandsPath, (eventType, filename) => {
+    if (filename && /\.js$|\.ts$/.test(filename)) {
+      try {
+        loadCommand(filename);
+      } catch (err) {
+        log.error("Loader", `Failed to reload command: ${filename}`, err);
+      }
     }
-  }
-});
+  });
 
 client.on("qr", (qr) => {
   // Generate and scan this code with your phone
@@ -72,25 +75,20 @@ client.initialize();
 
 const messageEvent = (msg: Message) => {
   const prefix = !msg.body.startsWith(commandPrefix);
-  if (prefix) return;
+  if (!commandPrefixLess && prefix) return;
   if (msg.fromMe && prefix) return; // Ignore messages sent by the bot itself without prefix
 
   const keyWithPrefix = msg.body.split(" ")[0];
   const key = keyWithPrefix.startsWith(commandPrefix)
     ? keyWithPrefix.slice(commandPrefix.length)
     : keyWithPrefix;
   const handler = commands[key];
-  
-  if (!handler && debug) {
-    log.warn("Command", `No handler found for command: ${key}`);
-    msg.reply(
-      `Unknown command: ${key}. Type ${commandPrefix}help for a list of commands.`
-    );
-    return;
-  }
- 
+
+  if (!handler) return;
+  msg.body = msg.body.slice(keyWithPrefix.length).trim();
+
   if (debug) log.info("Message", msg.body.slice(0, 255));
   handler(msg);
 };
 
-export { commands }
+export { commands };