Class: Archaeo::AssetList

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/archaeo/asset_list.rb

Overview

Categorized collection of asset URLs extracted from an archived page.

Assets are grouped by type (css, js, image, font, media) for convenient access during bulk download or local archiving.

Constant Summary collapse

CATEGORIES = 
%i[css js image font media].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AssetList

Returns a new instance of AssetList.



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# File 'lib/archaeo/asset_list.rb', line 15

def initialize
  @urls_by_type = {}
  CATEGORIES.each { |c| @urls_by_type[c] = [] }
end

Class Method Details

.from_json(json_string) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 94

def self.from_json(json_string)
  data = JSON.parse(json_string)
  list = new
  data.each do |type, urls|
    sym = type.to_sym
    next unless CATEGORIES.include?(sym)

    Array(urls).each { |url| list.add(url, type: sym) }
  end
  list
end

Instance Method Details

#add(url, type:) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 20

def add(url, type:)
  return if url.nil? || url.empty?
  return if @urls_by_type[type].include?(url)

  @urls_by_type[type] << url
end

#all ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 55

def all
  @urls_by_type.values.flatten.uniq
end

#counts ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 75

def counts
  @urls_by_type.transform_values(&:size)
end

#css ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 31

def css
  @urls_by_type[:css]
end

#each(&block) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 27

def each(&block)
  all.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/archaeo/asset_list.rb', line 63

def empty?
  all.empty?
end

#filter(*types) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 79

def filter(*types)
  result = self.class.new
  types.each do |type|
    @urls_by_type[type]&.each { |url| result.add(url, type: type) }
  end
  result
end

#fonts ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 47

def fonts
  @urls_by_type[:font]
end

#images ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 39

def images
  @urls_by_type[:image]
end

#js ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 35

def js
  @urls_by_type[:js]
end

#media ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 51

def media
  @urls_by_type[:media]
end

#merge(other) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 87

def merge(other)
  CATEGORIES.each do |type|
    other.urls_by_type(type).each { |url| add(url, type: type) }
  end
  self
end

#size ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 59

def size
  all.size
end

#to_h ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 67

def to_h
  @urls_by_type.transform_values(&:dup)
end

#to_json(*args) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 71

def to_json(*args)
  to_h.to_json(*args)
end

#urls_by_type(type) ⇒ Object 



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# File 'lib/archaeo/asset_list.rb', line 43

def urls_by_type(type)
  @urls_by_type[type] || []
end