Rails - Jul 2006 - Uploading files - getting size

Hi,

I want to get the size of an uploaded file that is saved in the 
database. Can you help me?


In the edit view formular there is:

<input id="attachment_title" name="attachment[title]"
size="30"
type="text" /> <input id="attachment_attachment" 
name="attachment[attachment]" size="30"
type="file" />


In the Attachment-model is:

def attachment=(attachment_field)
        self.name = base_part_of(attachment_field.original_filename)
	self.content_type = attachment_field.content_type.chomp
	        #self.size = attachment_field.file.size
		self.data = attachment_field.read
end

def base_part_of file_name
	name = File.basename(file_name)
	name.gsub(/[^\w._-]/, '''')
end


In the project controller is (Attachments belong to projects):

project.attachments.create(params[:attachment])

Is it possible to get the filesize already before storing the data or do 
I have to get it with a special function in the show view, where I want 
to display it?

Thank you.

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