FIX: Should be able to recover a user deleted post if raw didn't change

lib/post_destroyer.rb

@@ -188,7 +188,9 @@ class PostDestroyer
 
     # has internal transactions, if we nest then there are some very high risk deadlocks
     last_revision = @post.revisions.last
-    @post.revise(@user, { raw: last_revision.modifications["raw"][0] }, force_new_version: true) if last_revision.present?
+    if last_revision.present? && last_revision.modifications['raw'].present?
+      @post.revise(@user, { raw: last_revision.modifications["raw"][0] }, force_new_version: true)
+    end
   end
 
   private

spec/components/post_destroyer_spec.rb

@@ -189,6 +189,16 @@ describe PostDestroyer do
       end
 
       context "recovered by user" do
+
+        it "doesn't raise an error when the raw doesn't change" do
+          PostRevisor.new(@reply).revise!(
+            @user,
+            { edit_reason: 'made a change' },
+            force_new_version: true
+          )
+          PostDestroyer.new(@user, @reply.reload).recover
+        end
+
         it "should increment the user's post count" do
           PostDestroyer.new(@user, @reply).destroy
           expect(@user.user_stat.topic_count).to eq(1)