Class: ImgFetcher::Helpers::File

Inherits:
Object
  • Object
show all
Defined in:
lib/img_fetcher/helpers/file.rb

Constant Summary collapse

VALID_MIME_TYPES =

All the valid image mime types

['image/bmp', 'image/cis-cod', 'image/gif', 'image/ief', 'image/jpeg',
'image/jpeg', 'image/jpeg', 'image/pipeg', 'image/svg+xml', 'image/tiff',
'image/tiff', 'image/x-cmu-raster', 'image/x-cmx', 'image/x-icon',
'image/x-portable-anymap', 'image/x-portable-bitmap',
'image/x-portable-graymap', 'image/x-portable-pixmap', 'image/x-rgb',
'image/x-xbitmap', 'image/x-xpixmap', 'image/x-xwindowdump'].freeze

Class Method Summary collapse

Class Method Details

.save(temp_file, directory) ⇒ Object

SecureRandom is to avoid collisions between already existing files



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# File 'lib/img_fetcher/helpers/file.rb', line 15

def self.save(temp_file, directory)
  if VALID_MIME_TYPES.include?(temp_file.content_type)
    FileUtils.mv(temp_file.path,
                 "#{directory}#{SecureRandom.hex(6)}-#{temp_file.original_filename}")
    true
  else
    temp_file.unlink # deletes the temp file
    false
  end
end