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Contents
require 'mime/types'
module Paperclip
# The Upfile module is a convenience module for adding uploaded-file-type methods
# to the +File+ class. Useful for testing.
# user.avatar = File.new("test/test_avatar.jpg")
module Upfile
# Infer the MIME-type of the file from the extension.
def content_type
types = MIME::Types.type_for(self.original_filename)
if types.length == 0
type_from_file_command
elsif types.length == 1
types.first.content_type
else
iterate_over_array_to_find_best_option(types)
end
end
def iterate_over_array_to_find_best_option(types)
types.reject {|type| type.content_type.match(/\/x-/) }.first
end
def type_from_file_command
# On BSDs, `file` doesn't give a result code of 1 if the file doesn't exist.
type = (self.original_filename.match(/\.(\w+)$/)[1] rescue "octet-stream").downcase
mime_type = (Paperclip.run("file", "-b --mime :file", :file => self.path).split(/[:;]\s+/)[0] rescue "application/x-#{type}")
mime_type = "application/x-#{type}" if mime_type.match(/\(.*?\)/)
mime_type
end
# Returns the file's normal name.
def original_filename
File.basename(self.path)
end
# Returns the size of the file.
def size
File.size(self)
end
end
end
if defined? StringIO
class StringIO
attr_accessor :original_filename, :content_type, :fingerprint
def original_filename
@original_filename ||= "stringio.txt"
end
def content_type
@content_type ||= "text/plain"
end
def fingerprint
@fingerprint ||= Digest::MD5.hexdigest(self.string)
end
end
end
class File #:nodoc:
include Paperclip::Upfile
end
Version data entries
12 entries across 12 versions & 4 rubygems