Add post regenerations

app/models/post_regeneration.rb

@@ -0,0 +1,31 @@
+class PostRegeneration < ApplicationRecord
+  belongs_to :creator, :class_name => "User"
+  belongs_to :post
+
+  validates :category, inclusion: %w[iqdb resizes]
+
+  module SearchMethods
+    def search(params)
+      q = search_attributes(params, :id, :created_at, :updated_at, :category, :creator, :post)
+      q.apply_default_order(params)
+    end
+  end
+
+  extend SearchMethods
+
+  def execute_category_action!
+    if category == "iqdb"
+      post.update_iqdb_async
+    elsif category == "resizes"
+      media_file = MediaFile.open(post.file, frame_data: post.pixiv_ugoira_frame_data)
+      UploadService::Utils.process_resizes(post, nil, post.id, media_file: media_file)
+    else
+      # should never happen
+      raise Error, "Unknown category: #{category}"
+    end
+  end
+
+  def self.searchable_includes
+    [:creator, :post]
+  end
+end