Class: Collection

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

Overview

todo/check - change to OpenseaCollection or such - why? why not?

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(slug, count, meta_slugify: nil, image_pixelate: nil, patch: nil, exclude: [], format:, source:) ⇒ Collection

check: rename count to items or such - why? why not?

default format to '24x24' - why? why not?



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# File 'lib/artbase/collection/opensea.rb', line 9

def initialize( slug, count,
                meta_slugify: nil,
                image_pixelate: nil,
                patch: nil,
                exclude: [],
                format:,
                source:  )
  @slug = slug
  @count = count

  @meta_slugify   = meta_slugify
  @image_pixelate = image_pixelate

  @patch  = patch

  @exclude = exclude

  @width, @height = _parse_dimension( format )


  ## note: allow multiple source formats / dimensions
  ### e.g. convert   512x512 into  [ [512,512] ]
  ##
  source = [source]  unless source.is_a?( Array )
  @sources = source.map { |dimension| _parse_dimension( dimension ) }
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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

def count
  @count
end

#slug ⇒ Object (readonly)

Returns the value of attribute slug.



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

def slug
  @slug
end

Class Method Details

.download_images(range, collection, original: false) ⇒ Object

private (static) helpers



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# File 'lib/artbase/collection/opensea.rb', line 210

def self.download_images( range, collection,
                            original: false )
  start = Time.now
  delay_in_s = 0.3

  range.each do |offset|
    meta = OpenSea::Meta.read( "./#{collection}/meta/#{offset}.json" )

    puts "==> #{offset}.json  -  #{meta.name}"

    image_src =  if original
                   meta.image_original_url
                 else
                   meta.image_url
                 end

    puts "    >#{image_src}<"
    if image_src.nil?
       puts "!! ERROR - no image url found (use original: #{original}):"
       pp meta
       exit 1
    end

    ## note: use a different directory to avoid size confusion!!!
    img_slug =  if original
                   'i_org'
                else
                   'i'
                end

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

.download_meta(range, collection) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 257

def self.download_meta( range, collection )
  start = Time.now
  delay_in_s = 0.3

  range.each do |offset|

    dest = "./#{collection}/meta/#{offset}.json"
    meta = nil

    puts "==> #{offset} / #{collection} (#{dest})..."

    data = OpenSea.assets( collection: collection,
                           offset:     offset )
    meta = OpenSea::Meta.new( data )
    puts "  name:      >#{meta.name}<"
    puts "  image_url: >#{meta.image_url}<"


    ## make sure path exists
    dirname = File.dirname( dest )
    FileUtils.mkdir_p( dirname )  unless Dir.exist?( dirname )

    File.open( dest, "w:utf-8" ) do |f|
      f.write( JSON.pretty_generate( data ) )
    end


    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

Instance Method Details

#_do_meta_slugify(meta_slugify, meta, index) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 112

def _do_meta_slugify( meta_slugify, meta, index )
  if meta_slugify.is_a?( Regexp )
    _meta_slugify_match( meta_slugify, meta, index )
  elsif meta_slugify.is_a?( Proc )
    meta_slugify.call( meta, index )
  else
    raise ArgumentError, "meta_slugify - unsupported type: #{meta_slugify.class.name}"
  end
end

#_image_pixelate(img) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 42

def _image_pixelate( img )
  if @image_pixelate
    @image_pixelate.call( img )
  else
    @sources.each do |source_width, source_height|
      if img.width == source_width && img.height == source_height
         from = "#{source_width}x#{source_height}"
         to   = "#{@width}x#{@height}"
         steps = (Image::DOwNSAMPLING_STEPS[ to ] || {})[ from ]
         if steps.nil?
           puts "!! ERROR - no sampling steps defined for #{from} to #{to}; sorry"
           exit 1
         end

        return img.pixelate( steps )
      end
    end

    puts "!! ERROR - unknown image dimension #{img.width}x#{img.height}; sorry"
    puts "           supported source dimensions include: #{@sources.inspect}"
    exit 1
  end
end

#_meta_slugify(meta, index) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 123

def _meta_slugify( meta, index )
  slug = nil

  if @meta_slugify.is_a?( Array )
      @meta_slugify.each do |meta_slugify|
         slug = _do_meta_slugify( meta_slugify, meta, index )
         return slug   if slug     ## note: short-circuit on first match
                                   ##   use break instead of return - why? why not?
      end
   else  ## assume object e.g. Regexp, Proc, etc.
     slug = _do_meta_slugify( @meta_slugify, meta, index )
   end

   ## do nothing
   if slug.nil?
      puts "!! ERROR - cannot find id in >#{meta.name}<:"
      pp meta
      exit 1
   end

   slug
end

#_meta_slugify_match(regex, meta, index) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 86

def _meta_slugify_match( regex, meta, index )
  if m=regex.match( meta.name )
    captures = m.named_captures   ## get named captures in match data as hash (keys as strings)
    # e.g.
    #=> {"num"=>"3"}
    #=> {"num"=>"498", "name"=>"Doge"}
    pp captures

    num  = captures['num']  ? captures['num'].to_i( 10 ) : nil   ## note: add base 10 (e.g. 015=>15)
    name = captures['name'] ? captures['name'].strip     : nil

    slug = ''
    if num
      slug << "%06d" % num    ## todo/check: always fill/zero-pad with six 000000's - why? why not?
    end

    if name
      slug << "-"   if num   ## add separator
      slug << slugify( name )
    end
    slug
  else
     nil  ## note: return nil if no match / slug
  end
end

#_parse_dimension(str) ⇒ Object

e.g. convert dimension (width x height) “24x24” or “24 x 24” to [24,24]



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# File 'lib/artbase/collection/opensea.rb', line 37

def _parse_dimension( str )
   str.split( /x/i ).map { |str| str.strip.to_i }
end

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



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# File 'lib/artbase/collection/opensea.rb', line 77

def download( range=(0...@count) )
  download_meta( range )
  download_images( range )
end

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



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# File 'lib/artbase/collection/opensea.rb', line 73

def download_images( range=(0...@count) )
  self.class.download_images( range, @slug )
end

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



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# File 'lib/artbase/collection/opensea.rb', line 69

def download_meta( range=(0...@count) )
  self.class.download_meta( range, @slug )
end

#each_meta(range = (0...@count), exclude: true, &blk) ⇒ Object 



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# File 'lib/artbase/collection/opensea.rb', line 148

def each_meta( range=(0...@count),
               exclude: true,      &blk )
  range.each do |id|    ## todo/fix: change id to index
    meta = OpenSea::Meta.read( "./#{@slug}/meta/#{id}.json" )

    ####
    # filter out/skip
    if exclude && @exclude.include?( meta.name )
      puts "  skipping / exclude #{id} >#{meta.name}<..."
      next
    end

    blk.call( meta, id )
  end
end

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



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# File 'lib/artbase/collection/opensea.rb', line 167

def pixelate( range=(0...@count) )

  meta_slugs = Hash.new( 0 )   ## deduplicate (auto-add counter if duplicate)

  ### todo/fix: must read slugs starting at 0
  ###               to work for deduplicate!!!!!!


  range.each do |id|
    meta = OpenSea::Meta.read( "./#{@slug}/meta/#{id}.json" )

    ####
    # filter out/skip
    if @exclude.include?( meta.name )
       puts "  skipping / exclude #{id} >#{meta.name}<..."
       next
    end

    puts meta.name


    meta_slug = _meta_slugify( meta, id )
    count = meta_slugs[ meta_slug ] += 1

    meta_slug = "#{meta_slug}_(#{count})"  if count > 1


    img = Image.read( "./#{@slug}/i/#{id}.png" )

    pix = _image_pixelate( img )

    path = "./#{@slug}/ii/#{meta_slug}.png"
    puts "   saving to >#{path}<..."
    pix.save( path )
  end
end