Class: LanguageCards::CardCollection

Inherits:
Object
  • Object
show all
Defined in:
lib/language_cards/card_collection.rb

Defined Under Namespace

Classes: EmptyCollection

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hsh, name = nil) ⇒ CardCollection

RULE: Always compare by value regardless of key value ordering in mapping.

(This allows for duplicate spellings of the same character translation)



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# File 'lib/language_cards/card_collection.rb', line 10

def initialize hsh, name=nil
  @hsh = hsh
  @name = I18n.t "LanguageName.#{name}" if name
  send :_build
  @mappings = @hsh["mapping"]
  if @mappings
    @cards = @hsh.select {|k,v| !v.is_a? Mappings}
  end
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/language_cards/card_collection.rb', line 6

def name
  @name
end

Instance Method Details

#[](value) ⇒ Object

Raises:



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# File 'lib/language_cards/card_collection.rb', line 31

def [](value)
  raise EmptyCollection unless collection?
  @cards[value]
end

#cards ⇒ Object 



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# File 'lib/language_cards/card_collection.rb', line 72

def cards
  @cards || raise(I18n.t 'Errors.UpperCollection')
end

#children ⇒ Object 



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# File 'lib/language_cards/card_collection.rb', line 52

def children
  @hsh.select {|k,v| v.is_a? CardCollection}.values.map do |cc|
    {cc.name => cc}
  end.inject(:merge)
end

#classes(s = nil) ⇒ Object

Recursively build class course names



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# File 'lib/language_cards/card_collection.rb', line 22

def classes s=nil
  s = @name.nil? ? nil : [s, @name].compact.join(JOIN)
  @hsh.select do |k,v|
    [CardCollection, Mappings].include? v.class
  end.flat_map do |k,v|
    v.send :classes, s
  end
end

#collection? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/language_cards/card_collection.rb', line 68

def collection?
  !!@cards
end

#correct?(input, comp_bitz) ⇒ Boolean

Returns:

  • (Boolean)

Raises:



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# File 'lib/language_cards/card_collection.rb', line 42

def correct? input, comp_bitz
  raise EmptyCollection unless collection?
  @comparator.match? input, comp_bitz
end

#mapped_as ⇒ Object

Raises:



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# File 'lib/language_cards/card_collection.rb', line 47

def mapped_as
  raise EmptyCollection unless collection?
  @comparator.mapped_as
end

#rand ⇒ Object

Raises:



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# File 'lib/language_cards/card_collection.rb', line 36

def rand
  raise EmptyCollection unless collection?
  v = @cards.keys.sample
  @comparator.given(v, @cards[v])
end

#select_collection(string) ⇒ Object 



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# File 'lib/language_cards/card_collection.rb', line 58

def select_collection string
  first, tail = string.split(JOIN, 2)
  if collection?
    @comparator = @mappings.select_mapping(first)
    return self
  else
    children[first].select_collection tail
  end
end