fixed #2704

src/controllers/groups.js

@@ -27,26 +27,32 @@ groupsController.list = function(req, res, next) {
 groupsController.details = function(req, res, next) {
 	var uid = req.user ? parseInt(req.user.uid, 10) : 0;
 
-	async.parallel({
-		group: function(next) {
-			groups.getByGroupslug(req.params.slug, {
-				expand: true,
-				uid: uid
-			}, next);
-		},
-		posts: function(next) {
-			groups.getLatestMemberPosts(req.params.slug, 10, uid, next);
-		}
-	}, function(err, results) {
-		if (err) {
-			return next(err);
-		}
+	groups.existsBySlug(req.params.slug, function(err, exists) {
+		if (exists) {
+			async.parallel({
+				group: function(next) {
+					groups.getByGroupslug(req.params.slug, {
+						expand: true,
+						uid: uid
+					}, next);
+				},
+				posts: function(next) {
+					groups.getLatestMemberPosts(req.params.slug, 10, uid, next);
+				}
+			}, function(err, results) {
+				if (err) {
+					return next(err);
+				}
 
-		if (!results.group) {
-			return helpers.notFound(req, res);
-		}
+				if (!results.group) {
+					return helpers.notFound(req, res);
+				}
 
-		res.render('groups/details', results);
+				res.render('groups/details', results);
+			});
+		} else {
+			return res.locals.isAPI ? res.status(302).json('/groups') : res.redirect('/groups');
+		}
 	});
 };
 

src/groups.js

@@ -422,6 +422,10 @@ var async = require('async'),
 		}
 	};
 
+	Groups.existsBySlug = function(slug, callback) {
+		db.isObjectField('groupslug:groupname', slug, callback);
+	};
+
 	Groups.create = function(data, callback) {
 		if (data.name.length === 0) {
 			return callback(new Error('[[error:group-name-too-short]]'));