merged db state check from deploydapp

lib/db.js

@@ -6,8 +6,21 @@ var config = require('./config')
   , Server = mongodb.Server
   , server = new Server(config['db-host'], 27017, {auto_reconnect: true, native_parser: true})
   , db = new Db(config['db'], server, {})
+  , EventEmitter = require('events').EventEmitter
 ;
 
+var loader = new EventEmitter();
+
+// since we are using 'once'
+loader.setMaxListeners(0);
+
+db.open(function (err) {
+  if(err) {
+    loader.emit('error', err);
+  } else {
+    loader.emit('connected');
+  }
+});
 
 function ready(fn) {
   return function() {
@@ -15,13 +28,10 @@ function ready(fn) {
       , args = arguments
     ;
     
-    server.state === 'connected'
+    db.state === 'connected'
       ? fn.apply(this, arguments)
-      : db.open(function(err) {
-          if(err) console.log(err);
-          else {
-            fn.apply(_self, args);
-          }
+      : loader.once('connected', function () {
+          fn.apply(_self, args);
         })
     ;
   }
@@ -100,7 +110,20 @@ module.exports = {
       index[property] = 1;
       collection.ensureIndex(index, options, fn);
     });
-  })
+  }),
   
+  dropDatabase: function (database, fn) {
+    var Db = mongodb.Db
+      , Server = mongodb.Server
+      , server = new Server(config['db-host'], 27017, {auto_reconnect: true, native_parser: true})
+      , dropDb = new Db(database, server, {})
+    ;
+    
+    dropDb.open(function () {
+      dropDb.dropDatabase(function (err, result) {
+        fn();
+      });
+    });
+  }
 }