isSetMember returns true or false

src/database/mongo.js

@@ -4,6 +4,7 @@
 	'use strict';
 	var mongoClient = require('mongodb').MongoClient,
 		winston = require('winston'),
+		async = require('async'),
 		nconf = require('nconf'),
 		express = require('express'),
 		mongoStore = require('connect-mongo')(express),
@@ -279,7 +280,17 @@
 	}
 
 	module.isMemberOfSets = function(sets, value, callback) {
-		throw new Error('not-implemented');
+
+
+		function iterator(set, next) {
+			module.isSetMember(set, value, next);
+		}
+
+		async.map(sets, iterator, function(err, result) {
+			console.log(err, result);
+			callback(err, result);
+		});
+
 	}
 
 	module.getSetMembers = function(key, callback) {

src/database/redis.js

@@ -234,7 +234,13 @@
 	}
 
 	module.isSetMember = function(key, value, callback) {
-		redisClient.sismember(key, value, callback);
+		redisClient.sismember(key, value, function(err, result) {
+			if(err) {
+				return callback(err);
+			}
+
+			callback(null, result === 1);
+		});
 	}
 
 	module.isMemberOfSets = function(sets, value, callback) {

src/routes/debug.js

@@ -261,6 +261,13 @@ var	DebugRoute = function(app) {
 				});
 			}
 
+			function isMemberOfSets(callback) {
+				db.isMemberOfSets(['doesntexist', 'myTestSet', 'nonexistingSet'], 5, function(err, data) {
+					console.log('isMemberOfSets return', data);
+					callback(err, {'isMemberOfSets': data});
+				});
+			}
+
 			function setRemoveRandom(callback) {
 				db.setRemoveRandom('myTestSet', function(err, data) {
 					console.log('setRemoveRandom return', data);
@@ -317,16 +324,11 @@ var	DebugRoute = function(app) {
 
 			var setTasks = [
 				getSetMembers,
-			//	setRemove,
-				setAdd,
 				setAdd,
 				getSetMembers,
 				isSetMember,
-			//	setRemove,
-				isSetMember,
 				getSetMembers,
-				setRemoveRandom,
-				getSetMembers
+				isMemberOfSets
 			];
 
 			require('async').series(setTasks, function(err, results) {

src/threadTools.js

@@ -22,7 +22,7 @@ var db = require('./database'),
 				callback(false);
 			}
 
-			callback( !! ismember || false);
+			callback(ismember);
 		});
 	}
 

src/user.js

@@ -581,9 +581,9 @@ var bcrypt = require('bcrypt'),
 	};
 
 	User.isFollowing = function(uid, theirid, callback) {
-		db.isSetMember('following:' + uid, theirid, function(err, data) {
+		db.isSetMember('following:' + uid, theirid, function(err, isMember) {
 			if (!err) {
-				callback(data === 1);
+				callback(isMember);
 			} else {
 				console.log(err);
 			}
@@ -695,14 +695,14 @@ var bcrypt = require('bcrypt'),
 			if(err) {
 				return calback(err);
 			}
-			callback(err, !! exists);
+			callback(err, exists);
 		});
 	};
 
 	User.isAdministrator = function(uid, callback) {
 		groups.getGidFromName('Administrators', function(err, gid) {
 			groups.isMember(uid, gid, function(err, isAdmin) {
-				callback(err, !! isAdmin);
+				callback(err, isAdmin);
 			});
 		});
 	};