integrate ugoiras into zip+webm+preview

app/logical/pixiv_ugoira_service.rb

@@ -0,0 +1,21 @@
+class PixivUgoiraService
+  attr_reader :width, :height, :frame_data
+
+  def process(post)
+    save_frame_data(post)
+  end
+
+  def save_frame_data(post)
+    PixivUgoiraFrameData.create(:data => @frame_data, :post_id => post.id)
+  end
+
+  def generate_resizes(source_path, output_path, preview_path)
+    PixivUgoiraConverter.new.convert(source_path, output_path, preview_path, @frame_data)
+  end
+
+  def load(data)
+    @frame_data = data[:ugoira_frame_data]
+    @width = data[:ugoira_width]
+    @height = data[:ugoira_height]
+  end
+end