1 files changed, 63 insertions, 0 deletions
diff --git a/app/uploaders/file_mover.rb b/app/uploaders/file_mover.rb
new file mode 100644
index 00000000000..00c2888d224
--- /dev/null
+++ b/app/uploaders/file_mover.rb
@@ -0,0 +1,63 @@
+class FileMover
+  attr_reader :secret, :file_name, :model, :update_field
+
+  def initialize(file_path, model, update_field = :description)
+    @secret = File.split(File.dirname(file_path)).last
+    @file_name = File.basename(file_path)
+    @model = model
+    @update_field = update_field
+  end
+
+  def execute
+    move
+    uploader.record_upload if update_markdown
+  end
+
+  private
+
+  def move
+    FileUtils.mkdir_p(File.dirname(file_path))
+    FileUtils.move(temp_file_path, file_path)
+  end
+
+  def update_markdown
+    updated_text = model.read_attribute(update_field).gsub(temp_file_uploader.to_markdown, uploader.to_markdown)
+    model.update_attribute(update_field, updated_text)
+
+    true
+  rescue
+    revert
+
+    false
+  end
+
+  def temp_file_path
+    return @temp_file_path if @temp_file_path
+
+    temp_file_uploader.retrieve_from_store!(file_name)
+
+    @temp_file_path = temp_file_uploader.file.path
+  end
+
+  def file_path
+    return @file_path if @file_path
+
+    uploader.retrieve_from_store!(file_name)
+
+    @file_path = uploader.file.path
+  end
+
+  def uploader
+    @uploader ||= PersonalFileUploader.new(model, secret)
+  end
+
+  def temp_file_uploader
+    @temp_file_uploader ||= PersonalFileUploader.new(nil, secret)
+  end
+
+  def revert
+    Rails.logger.warn("Markdown not updated, file move reverted for #{model}")
+
+    FileUtils.move(file_path, temp_file_path)
+  end
+end