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- # redMine - project management software
- # Copyright (C) 2006 Jean-Philippe Lang
- #
- # This program is free software; you can redistribute it and/or
- # modify it under the terms of the GNU General Public License
- # as published by the Free Software Foundation; either version 2
- # of the License, or (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- require "digest/md5"
-
- class Attachment < ActiveRecord::Base
- belongs_to :container, :polymorphic => true
- belongs_to :author, :class_name => "User", :foreign_key => "author_id"
-
- validates_presence_of :filename
-
- def file=(incomming_file)
- unless incomming_file.nil?
- @temp_file = incomming_file
- if @temp_file.size > 0
- self.filename = sanitize_filename(@temp_file.original_filename)
- self.disk_filename = DateTime.now.strftime("%y%m%d%H%M%S") + "_" + self.filename
- self.content_type = @temp_file.content_type
- self.filesize = @temp_file.size
- end
- end
- end
-
- # Copy temp file to its final location
- def before_save
- if @temp_file && (@temp_file.size > 0)
- logger.debug("saving '#{self.diskfile}'")
- File.open(diskfile, "wb") do |f|
- f.write(@temp_file.read)
- end
- self.digest = Digest::MD5.hexdigest(File.read(diskfile))
- end
- end
-
- # Deletes file on the disk
- def after_destroy
- if self.filename?
- File.delete(diskfile) if File.exist?(diskfile)
- end
- end
-
- # Returns file's location on disk
- def diskfile
- "#{$RDM_STORAGE_PATH}/#{self.disk_filename}"
- end
-
- def increment_download
- increment!(:downloads)
- end
-
- # returns last created projects
- def self.most_downloaded
- find(:all, :limit => 5, :order => "downloads DESC")
- end
-
- private
- def sanitize_filename(value)
- # get only the filename, not the whole path
- just_filename = value.gsub(/^.*(\\|\/)/, '')
- # NOTE: File.basename doesn't work right with Windows paths on Unix
- # INCORRECT: just_filename = File.basename(value.gsub('\\\\', '/'))
-
- # Finally, replace all non alphanumeric, underscore or periods with underscore
- @filename = just_filename.gsub(/[^\w\.\-]/,'_')
- end
-
- end
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