Add /isup command (close #4)

package.json

@@ -26,5 +26,8 @@
     "nedb": "^1.8.0",
     "node-geocoder": "^3.12.0",
     "request": "^2.72.0"
+  },
+  "devDependencies": {
+    "typings": "^1.3.0"
   }
 }

src/CommandList.ts

@@ -14,6 +14,7 @@ import { Emote } from './Commands/Emote';
 import { Forecast } from './Commands/Forecast';
 import { HelloWorld } from './Commands/HelloWorld';
 import { Info } from './Commands/Info';
+import { Isup } from './Commands/Isup';
 import { Joke } from './Commands/Joke';
 import { Stats } from './Commands/Stats';
 
@@ -27,6 +28,7 @@ export class CommandList{
       new Forecast(process.env.FORECAST_API, process.env.GEOCODE_PROVIDER, process.env.GEOCODE_APIKEY),
       new HelloWorld(),
       new Info(),
+      new Isup(),
       new Joke(),
       new Stats(db)
     ];

src/Commands/Isup.ts

@@ -0,0 +1,33 @@
+import { ICommand } from './ICommand';
+import * as Request from 'request';
+
+export class Isup implements ICommand {
+  command = /isup$/;
+  help = "Checks if a website is up/down.";
+  usage = "Usage: /isup [url]";
+
+
+  private IsUp(url: string, callback: (isup: boolean) => void): void {
+    var SERVER_URL = 'http://isup.me/';
+    Request(SERVER_URL + url, function(error, response, body) {
+      callback(body.indexOf('It\'s just you') !== -1);
+    });
+  }
+
+  // Displays hello world
+  exec(msg, reply): void {
+    var args: string = msg.args();
+    if (args.trim().length == 0) {
+      reply.text(this.usage);
+      return;
+    }
+
+    this.IsUp(args, (isup: boolean) => {
+      if(isup){
+        reply.markdown(`*${args}* looks *up* from here.`);
+      }else{
+        reply.markdown(`*${args}* looks *down* from here.`);
+      }
+    });
+  }
+}

typings.json

@@ -7,6 +7,6 @@
   "globalDependencies": {
     "dotenv": "registry:dt/dotenv#2.0.0+20160327131627",
     "nedb": "registry:dt/nedb#0.0.0+20160505185910",
-    "node": "registry:env/node#6.0.0+20160610031852"
+    "node": "registry:env/node#6.0.0+20160622202520"
   }
 }