DEV: Added .only_deleted scope in the Trashable module (#20196)

app/models/concerns/trashable.rb

@@ -6,6 +6,7 @@ module Trashable
   included do
     default_scope { where(deleted_at: nil) }
     scope :with_deleted, -> { unscope(where: :deleted_at) }
+    scope :only_deleted, -> { with_deleted.where.not(deleted_at: nil) }
 
     belongs_to :deleted_by, class_name: "User"
   end

spec/lib/trashable_spec.rb

@@ -9,4 +9,20 @@ RSpec.describe Trashable do
     expect { p1.trash! }.to change { Post.count }.by(-1)
     expect(Post.with_deleted.count).to eq(Post.count + 1)
   end
+
+  it "can list only deleted items" do
+    p1 = Fabricate(:post)
+    p2 = Fabricate(:post)
+
+    p1.trash!
+    expect(Post.only_deleted.count).to eq(1)
+    expect(Post.only_deleted.first).to eq(p1)
+  end
+
+  it "can recover" do
+    p1 = Fabricate(:post)
+    p1.trash!
+    expect { p1.recover! }.to change { Post.count }.by(1)
+    expect(Post.with_deleted.count).to eq(Post.count)
+  end
 end