add image cropping support

app/models/post.rb

@@ -173,6 +173,10 @@ class Post < ApplicationRecord
       storage_manager.file_path(md5, file_ext, :preview)
     end
 
+    def crop_file_url
+      storage_manager.file_url(self, :crop)
+    end
+
     def open_graph_image_url
       if is_image?
         if has_large?

app/models/user.rb

@@ -92,6 +92,8 @@ class User < ApplicationRecord
   has_many :post_approvals, :dependent => :destroy
   has_many :post_disapprovals, :dependent => :destroy
   has_many :post_votes
+  has_many :post_archives
+  has_many :note_versions
   has_many :bans, -> {order("bans.id desc")}
   has_one :recent_ban, -> {order("bans.id desc")}, :class_name => "Ban"