FEATURE: add group filter for admin reports (#23381)

FEATURE: add group filter for admin reports

DEV: add plugin outlet for admin dashboard tabs

spec/models/post_spec.rb

@@ -2109,4 +2109,52 @@ RSpec.describe Post do
       expect(post4.canonical_url).to eq("#{topic_url}?page=2#post_#{post4.post_number}")
     end
   end
+
+  describe "public_posts_count_per_day" do
+    before do
+      freeze_time DateTime.parse("2017-03-01 12:00")
+
+      Fabricate(:post)
+      Fabricate(:post, created_at: 1.day.ago)
+      Fabricate(:post, created_at: 1.day.ago)
+      Fabricate(:post, created_at: 2.days.ago)
+      Fabricate(:post, created_at: 4.days.ago)
+    end
+
+    let(:listable_topics_count_per_day) do
+      { 1.day.ago.to_date => 2, 2.days.ago.to_date => 1, Time.now.utc.to_date => 1 }
+    end
+
+    it "collect closed interval public post count" do
+      expect(Post.public_posts_count_per_day(2.days.ago, Time.now)).to include(
+        listable_topics_count_per_day,
+      )
+      expect(Post.public_posts_count_per_day(2.days.ago, Time.now)).not_to include(
+        4.days.ago.to_date => 1,
+      )
+    end
+
+    it "returns the correct number of public posts per day when there are no public posts" do
+      Fabricate(:post, post_type: Post.types[:whisper], created_at: 6.days.ago)
+      Fabricate(:post, post_type: Post.types[:whisper], created_at: 7.days.ago)
+
+      expect(Post.public_posts_count_per_day(10.days.ago, 5.days.ago)).to be_empty
+    end
+
+    it "returns the correct number of public posts per day with group filter" do
+      user = Fabricate(:user)
+      group_user = Fabricate(:user)
+      group = Fabricate(:group)
+      group.add(group_user)
+
+      Fabricate(:post, user: user, created_at: 6.days.ago)
+      Fabricate(:post, user: user, created_at: 7.days.ago)
+      Fabricate(:post, user: group_user, created_at: 6.days.ago)
+      Fabricate(:post, user: group_user, created_at: 7.days.ago)
+
+      expect(
+        Post.public_posts_count_per_day(10.days.ago, 5.days.ago, nil, false, [group.id]),
+      ).to eq(6.days.ago.to_date => 1, 7.days.ago.to_date => 1)
+    end
+  end
 end