FIX: don't trigger 'flag_reviewed' when no flags were reviewed

app/models/post_action.rb

@@ -165,8 +165,11 @@ class PostAction < ActiveRecord::Base
     end
 
     DiscourseEvent.trigger(:confirmed_spam_post, post) if trigger_spam
-    DiscourseEvent.trigger(:flag_reviewed, post)
-    DiscourseEvent.trigger(:flag_agreed, actions.first) if actions.first.present?
+
+    if actions.first.present?
+      DiscourseEvent.trigger(:flag_reviewed, post)
+      DiscourseEvent.trigger(:flag_agreed, actions.first)
+    end
 
     update_flagged_posts_count
   end
@@ -199,8 +202,11 @@ class PostAction < ActiveRecord::Base
     end
 
     Post.with_deleted.where(id: post.id).update_all(cached)
-    DiscourseEvent.trigger(:flag_reviewed, post)
-    DiscourseEvent.trigger(:flag_disagreed, actions.first) if actions.first.present?
+
+    if actions.first.present?
+      DiscourseEvent.trigger(:flag_reviewed, post)
+      DiscourseEvent.trigger(:flag_disagreed, actions.first)
+    end
 
     update_flagged_posts_count
   end
@@ -218,8 +224,11 @@ class PostAction < ActiveRecord::Base
       action.add_moderator_post_if_needed(moderator, :deferred, delete_post)
     end
 
-    DiscourseEvent.trigger(:flag_reviewed, post)
-    DiscourseEvent.trigger(:flag_deferred, actions.first) if actions.first.present?
+    if actions.first.present?
+      DiscourseEvent.trigger(:flag_reviewed, post)
+      DiscourseEvent.trigger(:flag_deferred, actions.first)
+    end
+
     update_flagged_posts_count
   end
 

spec/integration/flags_spec.rb

@@ -0,0 +1,18 @@
+require "rails_helper"
+
+describe PostAction do
+
+  it "triggers the 'flag_reviewed' event when there was at least one flag" do
+    admin = Fabricate(:admin)
+
+    post = Fabricate(:post)
+    events = DiscourseEvent.track_events { PostDestroyer.new(admin, post).destroy }
+    expect(events.map { |e| e[:event_name] }).to_not include(:flag_reviewed)
+
+    flagged_post = Fabricate(:post)
+    PostAction.act(admin, flagged_post, PostActionType.types[:spam])
+    events = DiscourseEvent.track_events { PostDestroyer.new(admin, flagged_post).destroy }
+    expect(events.map { |e| e[:event_name] }).to include(:flag_reviewed)
+  end
+
+end

spec/models/post_action_spec.rb

@@ -754,21 +754,24 @@ describe PostAction do
       end
 
       it 'flag agreed' do
-        event = DiscourseEvent.track_events { PostAction.agree_flags!(post, moderator) }.last
-        expect(event[:event_name]).to eq(:flag_agreed)
-        expect(event[:params].first).to eq(@flag)
+        events = DiscourseEvent.track_events { PostAction.agree_flags!(post, moderator) }.last(2)
+        expect(events[0][:event_name]).to eq(:flag_reviewed)
+        expect(events[1][:event_name]).to eq(:flag_agreed)
+        expect(events[1][:params].first).to eq(@flag)
       end
 
       it 'flag disagreed' do
-        event = DiscourseEvent.track_events { PostAction.clear_flags!(post, moderator) }.last
-        expect(event[:event_name]).to eq(:flag_disagreed)
-        expect(event[:params].first).to eq(@flag)
+        events = DiscourseEvent.track_events { PostAction.clear_flags!(post, moderator) }.last(2)
+        expect(events[0][:event_name]).to eq(:flag_reviewed)
+        expect(events[1][:event_name]).to eq(:flag_disagreed)
+        expect(events[1][:params].first).to eq(@flag)
       end
 
       it 'flag deferred' do
-        event = DiscourseEvent.track_events { PostAction.defer_flags!(post, moderator) }.last
-        expect(event[:event_name]).to eq(:flag_deferred)
-        expect(event[:params].first).to eq(@flag)
+        events = DiscourseEvent.track_events { PostAction.defer_flags!(post, moderator) }.last(2)
+        expect(events[0][:event_name]).to eq(:flag_reviewed)
+        expect(events[1][:event_name]).to eq(:flag_deferred)
+        expect(events[1][:params].first).to eq(@flag)
       end
     end
   end