Module: DataShift::ImageLoading

Includes:
Logging, Paperclip
Defined in:
lib/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

Methods included from Logging

#logdir, #logger

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



51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/loaders/paperclip/image_loading.rb', line 51

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



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/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 and record.respond_to?(:images)) ? record.images.length : 0
                        }
  }

  attachment_options = options.dup.merge(image_attributes)
  
  logger.debug("Adding Attachment for #{klass.inspect}")

  create_paperclip_attachment(klass, attachment_path, record, attach_to_record_field, attachment_options)
end