From 7f6e4abb1f9d7b6a7faf80d34e54662cae55dd80 Mon Sep 17 00:00:00 2001
From: Mauricio Giacomini Girardello <mgg12@inf.ufpr.br>
Date: Mon, 18 Jan 2016 11:38:02 -0200
Subject: [PATCH] creating attachment builder
---
.../learning_object/attachment_builder.rb | 30 +++++++++++++++++++
app/models/learning_object/attachment.rb | 2 ++
2 files changed, 32 insertions(+)
create mode 100644 app/builders/learning_object/attachment_builder.rb
diff --git a/app/builders/learning_object/attachment_builder.rb b/app/builders/learning_object/attachment_builder.rb
new file mode 100644
index 00000000..3f6421ee
--- /dev/null
+++ b/app/builders/learning_object/attachment_builder.rb
@@ -0,0 +1,30 @@
+module LearningObject
+ class AttachmentBuilder < ::Builder
+
+ ##disable method
+ # build attachments with id's is out of scope.
+ def self.build(objects = [])
+ raise NotImplementedError, 'LearningObject::AttachmentBuilder#build is out of scope.'
+ end
+
+ def self.build_from_orientdb(args = {})
+ build_from_cache args do
+ ::LearningObject::Attachment.new(args)
+ end
+ end
+
+ private
+
+ def self.build_from_cache(args={})
+ object = nil
+
+ unless args.nil? || !block_given?
+ # cache object when build
+ object = Rails.cache.fetch(cache_key(args['id'], args['link']), expires_in: 12.hours) { yield }
+ end
+
+ object
+ end
+
+ end
+end
\ No newline at end of file
diff --git a/app/models/learning_object/attachment.rb b/app/models/learning_object/attachment.rb
index a40cb335..1aff7410 100644
--- a/app/models/learning_object/attachment.rb
+++ b/app/models/learning_object/attachment.rb
@@ -1,4 +1,6 @@
class LearningObject::Attachment
include ActiveModel::Model
+
+ #this attributes mirror Dspace bitstream values
attr_accessor :id, :name, :link, :retrieve_link, :description, :format, :mime_type, :size
end
--
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