Module: DataShift::ImageLoading

Includes:
Logging, Paperclip
Defined in:
lib/datashift/loaders/paperclip/image_loading.rb

Instance Attribute Summary

Attributes included from Paperclip

#attachment

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Paperclip

#create_paperclip_attachment, #get_file, get_files, #process_missing_records

Methods included from Logging

#logdir, #logdir=, #logger, #verbose

Class Method Details

.image_magik_glob ⇒ Object

Set of file extensions ImageMagik can process so default glob we use to find image files within directories



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# File 'lib/datashift/loaders/paperclip/image_loading.rb', line 56

def self.image_magik_glob
  @im_glob ||= %w(*.3FR *.AAI *.AI *.ART *.ARW *.AVI *.AVS *.BGR *.BGRA
                  *.BIE *.BMP *.BMP2 *.BMP3 *.BRF *.CAL *.CALS *.CANVAS
                  *.CIN *.CIP *.CLIP *.CMYK *.CMYKA *.CR2 *.CRW *.CUR *.CUT *.DCM *.DCR *.DCX
                  *.DDS *.DFONT *.DJVU *.DNG *.DOT *.DPS *.DPX
                  *.EMF *.EPDF *.EPI *.EPS *.EPS2 *.EPS3 *.EPSF *.EPSI
                  *.EPT *.EPT2 *.EPT3 *.ERF *.EXR *.FITS *.FPX *.FTS *.G3 *.GIF *.GIF87
                  *.GRAY *.HALD *.HDR *.HRZ *.ICB *.ICO *.ICON *.IPL
                  *.ISOBRL *.J2C *.JBG *.JBIG *.JNG *.JP2 *.JPC *.JPEG *.JPG *.JPX *.K25 *.KDC
                  *.LABEL *.M2V *.M4V *.MAC *.MAP *.MAT *.MATTE *.MIFF *.MNG *.MONO
                  *.MOV *.MP4 *.MPC *.MPEG *.MPG *.MRW *.MSL *.MSVG *.MTV *.MVG *.NEF *.ORF *.OTB *.OTF *.PAL *.PALM
                  *.PAM *.PBM *.PCD *.PCDS *.PCL *.PCT *.PCX *.PDB *.PDF *.PDFA *.PEF
                  *.PES *.PFA *.PFB *.PFM *.PGM *.PGX *.PICON *.PICT *.PIX *.PJPEG *.PLASMA
                  *.PNG *.PNG24 *.PNG32 *.PNG8 *.PNM *.PPM *.PS *.PS2 *.PS3 *.PSB *.PSD *.PTIF *.PWP *.RAF *.RAS *.RGB
                  *.RGBA *.RGBO *.RLA *.RLE *.SCR *.SCT *.SFW *.SGI *.SR2 *.SRF
                  *.SUN *.SVG *.SVGZ *.TGA *.TIFF *.TIFF64 *.TILE *.TIM *.TTC *.TTF *.UBRL *.UIL *.UYVY *.VDA *.VICAR
                  *.VID *.VIFF *.VST *.WBMP *.WEBP *.WMF *.WMV *.WMZ *.WPG *.X3F
                  *.XBM *.XC *.XCF *.XPM *.XPS *.XV *.XWD *.YCbCr *.YCbCrA *.YUV)
  "{#{@im_glob.join(',')}}"
end

Instance Method Details

#create_attachment(klass, attachment_path, record = nil, attach_to_record_field = nil, options = {}) ⇒ Object

Note the paperclip attachment model defines the storage path via something like :

> :path => “:rails_root/public/blah/blahs/:id/:style/:basename.:extension”

Options

See also DataShift::paperclip create_paperclip_attachment for more options

Example:  Image is a model class with an attachment.
          Image table contains a viewable field which can contain other  models,
          such as Product, User etc all of which can have an Image

:viewable_record



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# File 'lib/datashift/loaders/paperclip/image_loading.rb', line 32

def create_attachment(klass, attachment_path, record = nil, attach_to_record_field = nil, options = {})

  logger.debug("ImageLoading::create_attachment on Class #{klass}")

  image_attributes = { attributes: { alt: (options[:alt] || ''),
                                     position: !options[:position] && record && record.respond_to?(:images) ? record.images.length : 0 } }

  attachment_options = options.dup.merge(image_attributes)

  logger.debug("Adding Attachment for #{klass.inspect}")

  attachment = create_paperclip_attachment(klass, attachment_path, attachment_options)

  if(attachment && attach_to_record_field)
    populator = DataShift::Populator.new
    populator.prepare_and_assign(attach_to_record_field, record, attachment)
  end

  attachment

end