66 lines
1.7 KiB
Ruby
66 lines
1.7 KiB
Ruby
class WikiFile < ActiveRecord::Base
|
|
belongs_to :web
|
|
|
|
before_save :write_content_to_file
|
|
before_destroy :delete_content_file
|
|
|
|
validates_presence_of %w( web file_name )
|
|
validates_length_of :file_name, :within=>1..50
|
|
validates_length_of :description, :maximum=>255
|
|
|
|
def self.find_by_file_name(file_name)
|
|
first(:conditions => ['file_name = ?', file_name])
|
|
end
|
|
|
|
def validate
|
|
if file_name
|
|
if ! WikiFile.is_valid?(file_name)
|
|
errors.add("file_name", "is invalid. Only latin characters, digits, dots, underscores, " +
|
|
"dashes and spaces are accepted")
|
|
elsif file_name == '.' or file_name == '..'
|
|
errors.add("file_name", "cannot be '.' or '..'")
|
|
end
|
|
end
|
|
|
|
if @web and @content
|
|
if (@content.size > @web.max_upload_size.kilobytes)
|
|
errors.add("content", "size (#{(@content.size / 1024.0).round} kilobytes) exceeds " +
|
|
"the maximum (#{web.max_upload_size} kilobytes) set for this wiki")
|
|
end
|
|
end
|
|
|
|
errors.add("content", "is empty") if @content.nil? or @content.empty?
|
|
end
|
|
|
|
def content=(content)
|
|
if content.respond_to? :read
|
|
@content = content.read
|
|
else
|
|
@content = content
|
|
end
|
|
end
|
|
|
|
def content
|
|
@content ||= ( File.open(content_path, 'rb') { |f| f.read } )
|
|
end
|
|
|
|
def content_path
|
|
web.files_path.join(file_name)
|
|
end
|
|
|
|
def write_content_to_file
|
|
web.create_files_directory unless File.exists?(web.files_path)
|
|
File.open(self.content_path, 'wb') { |f| f.write(@content) }
|
|
end
|
|
|
|
def delete_content_file
|
|
require 'fileutils'
|
|
FileUtils.rm_f(content_path) if File.exists?(content_path)
|
|
end
|
|
|
|
SANE_FILE_NAME = /^[a-zA-Z0-9\-_\. ]*$/
|
|
def self.is_valid?(name)
|
|
name =~ SANE_FILE_NAME
|
|
end
|
|
|
|
end
|