Don't allow filtering by user in summary mode and vice versa. It's just confusing.

Author: eviltrout

app/assets/javascripts/discourse/models/post_stream.js

@@ -194,6 +194,8 @@ Discourse.PostStream = Em.Object.extend({
     @returns {Ember.Deferred} a promise that resolves when the summary stream has loaded.
   **/
   toggleSummary: function() {
+    var userFilters = this.get('userFilters');
+    userFilters.clear();
     this.toggleProperty('summary');
     return this.refresh();
   },
@@ -206,6 +208,7 @@ Discourse.PostStream = Em.Object.extend({
   **/
   toggleParticipant: function(username) {
     var userFilters = this.get('userFilters');
+    this.set('summary', false);
     if (userFilters.contains(username)) {
       userFilters.remove(username);
     } else {

test/javascripts/models/post_stream_test.js

@@ -148,7 +148,6 @@ test("streamFilters", function() {
 
   postStream.toggleParticipant(participant.username);
   deepEqual(postStream.get('streamFilters'), {
-    filter: "summary",
     username_filters: ['eviltrout']
   }, "streamFilters contains the username we filtered");
 });