FIX: Users can't "show all posts" in forced summary topics.

app/assets/javascripts/discourse/lib/transform-post.js.es6

@@ -178,9 +178,11 @@ export default function transformPost(
     const postStream = topic.get("postStream");
     postAtts.userFilters = postStream.userFilters;
 
-    postAtts.topicSummaryEnabled =
-      postStream.summary || topic.force_summary_mode;
+    if (topic.force_summary_mode) {
+      postStream.set('summary', topic.force_summary_mode);
+    }
 
+    postAtts.topicSummaryEnabled = postStream.summary;
     postAtts.topicWordCount = topic.word_count;
     postAtts.hasTopicSummary = topic.has_summary || topic.force_summary_mode;
   }

app/assets/javascripts/discourse/models/post-stream.js.es6

@@ -108,6 +108,8 @@ export default RestModel.extend({
     const result = {};
     if (summary) {
       result.filter = "summary";
+    } else {
+      result.filter = "none";
     }
 
     const userFilters = this.get("userFilters");

lib/topic_view.rb

@@ -407,7 +407,9 @@ class TopicView
 
   def force_summary_mode?
     @force_summary_mode ||=
-      (@topic.closed? && @topic.posts_count >= (MEGA_TOPIC_POSTS_COUNT * 2))
+      @filter != 'none' &&
+      @topic.closed? &&
+      @topic.posts_count >= (MEGA_TOPIC_POSTS_COUNT * 2)
   end
 
   protected
@@ -487,7 +489,9 @@ class TopicView
     @filtered_posts = unfiltered_posts
 
     # Filters
-    if @filter == 'summary' || ((@post_number.blank? || @post_number.to_i == 1) && force_summary_mode?)
+    if @filter == 'summary' ||
+       ((@post_number.blank? || @post_number.to_i == 1) && force_summary_mode?)
+
       @filtered_posts = @filtered_posts.summary(@topic.id)
       @contains_gaps = true unless force_summary_mode?
     end

spec/components/topic_view_spec.rb

@@ -391,6 +391,13 @@ describe TopicView do
         expect(topic_view.contains_gaps?).to eq(false)
         expect(topic_view.posts).to eq([p1, p2, p3])
       end
+
+      it 'should not be forced into summary mode if filter is none' do
+        topic_view = TopicView.new(topic.id, evil_trout, filter: 'none')
+
+        expect(topic_view.contains_gaps?).to eq(false)
+        expect(topic_view.posts).to eq([p1, p2, p3])
+      end
     end
 
     it "#restricts to correct topic" do