Class: EmojiDiffer::List

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/emoji_differ/list.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(emoji = nil) ⇒ List

Returns a new instance of List.



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# File 'lib/emoji_differ/list.rb', line 8

def initialize(emoji=nil)
  @emojis = emoji
end

Class Method Details

.from_json(json) ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 12

def self.from_json(json)
  new.parse(json)
end

Instance Method Details

#-(other) ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 27

def -(other)
  other_names = other.emojis.to_a.map(&:name)
  self.class.new(emojis.reject {|emoji| other_names.include?(emoji.name) })
end

#each ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 21

def each
  emojis.each do |emoji|
    yield emoji
  end
end

#emojis ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 40

def emojis
  @emojis ||= transform
end

#length ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 32

def length
  emojis.length
end

#parse(json) ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 44

def parse(json)
  @parsed = JSON.parse(json)
  self
end

#to_json ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 36

def to_json
  JSON.generate(parsed) #cheeky eh
end

#to_s ⇒ Object 



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# File 'lib/emoji_differ/list.rb', line 16

def to_s
  collection = emojis.map(&:to_s).join(" ")
  "#{collection}\n Total: #{length}"
end