Class: ImageCollection

Inherits:
Object
  • Object
show all
Defined in:
lib/artbase/collection/image.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(slug, count, image_base:) ⇒ ImageCollection

Returns a new instance of ImageCollection.



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# File 'lib/artbase/collection/image.rb', line 7

def initialize( slug, count,
                image_base: )   # check: rename count to items or such - why? why not?
  @slug = slug
  @count = count
  @image_base = image_base
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/artbase/collection/image.rb', line 5

def count
  @count
end

#slug ⇒ Object (readonly)

Returns the value of attribute slug.



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# File 'lib/artbase/collection/image.rb', line 5

def slug
  @slug
end

Instance Method Details

#download_images(range = (0...@count)) ⇒ Object 



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# File 'lib/artbase/collection/image.rb', line 14

def download_images( range=(0...@count) )
  start = Time.now
  delay_in_s = 0.3

  range.each do |offset|
    image_src = @image_base.sub( '{id}', offset.to_s )

    puts "==> #{offset} - #{@slug}..."

    ## note: will auto-add format file extension (e.g. .png, .jpg)
    ##        depending on http content type!!!!!
    copy_image( image_src, "./#{@slug}/image-i/#{offset}" )

    stop = Time.now
    diff = stop - start

    mins = diff / 60  ## todo - use floor or such?
    secs = diff % 60
    puts "up #{mins} mins #{secs} secs (total #{diff} secs)"

    puts "sleeping #{delay_in_s}s..."
    sleep( delay_in_s )
  end
end