added key methods to mongo

src/database/mongo.js

@@ -55,19 +55,21 @@
 	// key
 
 	module.exists = function(key, callback) {
-		throw new Error('not-implemented');
+		module.isObjectField('global', key, callback);
 	}
 
 	module.delete = function(key, callback) {
-		throw new Error('not-implemented');
+		module.deleteObjectField('global', key, callback);
 	}
 
 	module.get = function(key, callback) {
-		throw new Error('not-implemented');
+		module.getObjectField('global', key, callback);
 	}
 
 	module.set = function(key, value, callback) {
-		throw new Error('not-implemented');
+		var data = {};
+		data[key] = value;
+		module.setObject('global', data, callback);
 	}
 
 	module.keys = function(key, callback) {
@@ -238,6 +240,7 @@
 		throw new Error('not-implemented');
 	}
 
+
 	// sorted sets
 
 	module.sortedSetAdd = function(key, score, value, callback) {
@@ -352,9 +355,9 @@
 					return callback(err);
 				}
 				if(data && data.array) {
-					callback(err, data.array);
+					callback(null, data.array);
 				} else {
-					callback(err, []);
+					callback(null, []);
 				}
 			});
 	}

src/routes/debug.js

@@ -204,6 +204,34 @@ var	DebugRoute = function(app) {
 				});
 			}
 
+			function get(callback) {
+				db.get('testingStr', function(err, data) {
+					console.log('get return', data);
+					callback(err, {'get': data});
+				});
+			}
+
+			function set(callback) {
+				db.set('testingStr', 'opppa gangastayla', function(err, data) {
+					console.log('set return', data);
+					callback(err, {'set': data});
+				});
+			}
+
+			function deleteKey(callback) {
+				db.delete('testingStr', function(err, data) {
+					console.log('delete return', data);
+					callback(err, {'delete': data});
+				});
+			}
+
+			function exists(callback) {
+				db.exists('testingStr', function(err, data) {
+					console.log('exists return', data);
+					callback(err, {'exists': data});
+				});
+			}
+
 
 			var objectTasks = [
 				//createUser,
@@ -239,7 +267,17 @@ var	DebugRoute = function(app) {
 				getListRange
 			];
 
-			require('async').series(listTasks, function(err, results) {
+			var keyTasks = [
+				get,
+				set,
+				get,
+				exists,
+				deleteKey,
+				get,
+				exists
+			];
+
+			require('async').series(keyTasks, function(err, results) {
 				if(err) {
 					console.log(err);
 					res.send(err.message);