103 lines
3.0 KiB
Ruby
103 lines
3.0 KiB
Ruby
# redMine - project management software
|
|
# Copyright (C) 2006-2007 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 :container, :filename
|
|
validates_length_of :filename, :maximum => 255
|
|
validates_length_of :disk_filename, :maximum => 255
|
|
|
|
cattr_accessor :storage_path
|
|
@@storage_path = "#{RAILS_ROOT}/files"
|
|
|
|
def validate
|
|
errors.add_to_base :too_long if self.filesize > Setting.attachment_max_size.to_i.kilobytes
|
|
end
|
|
|
|
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.chomp
|
|
self.filesize = @temp_file.size
|
|
end
|
|
end
|
|
end
|
|
|
|
def file
|
|
nil
|
|
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
|
|
"#{@@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
|
|
|
|
def project
|
|
container.is_a?(Project) ? container : container.project
|
|
end
|
|
|
|
def image?
|
|
self.filename =~ /\.(jpeg|jpg|gif|png)$/i
|
|
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
|