Class: Emojidex::Data::Categories

Inherits:
Object
  • Object
show all
Defined in:
lib/emojidex/data/categories.rb

Overview

Holds a master list of categories

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(categories_json = nil) ⇒ Categories

Returns a new instance of Categories.



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# File 'lib/emojidex/data/categories.rb', line 7

def initialize(categories_json = nil)
  if categories_json
    load_categories(categories_json)
  else
    load_standard_categories
  end
end

Instance Attribute Details

#categories ⇒ Object

Returns the value of attribute categories.



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# File 'lib/emojidex/data/categories.rb', line 5

def categories
  @categories
end

Instance Method Details

#collect(&block) ⇒ Object

collect override to map each functionality to the categories hash



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# File 'lib/emojidex/data/categories.rb', line 31

def collect(&block)
  @categories.values.collect(&block)
end

#each(&block) ⇒ Object

each override to map each functionality to the categories hash



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# File 'lib/emojidex/data/categories.rb', line 16

def each(&block)
  @categories.values.each(&block)
end

#load_categories(json) ⇒ Object

loads categories from a JSON hash object / JSON text



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# File 'lib/emojidex/data/categories.rb', line 36

def load_categories(json)
  raw = JSON.parse(json, symbolize_names: true)
  raw = raw[:categories]

  @categories ||= {}
  raw.each do |category_info|
    category = Emojidex::Data::Category.new category_info
    @categories[category.code.to_sym] = category
  end
end

#load_standard_categories ⇒ Object

loads standard categories local to the emojidex package *automatically called on initialize if no options are passed



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# File 'lib/emojidex/data/categories.rb', line 49

def load_standard_categories
  load_categories(IO.read(File.expand_path('../../../../emoji/categories.json', __FILE__)))
end

#map(&block) ⇒ Object

map override to map each functionality to the categories hash



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# File 'lib/emojidex/data/categories.rb', line 26

def map(&block)
  @categories.values.map(&block)
end

#select(&block) ⇒ Object

select override to map select functionality to the categories hash



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# File 'lib/emojidex/data/categories.rb', line 21

def select(&block)
  @categories.values.select(&block)
end