Class: Walletone::Fields

Inherits:
Hash
  • Object
show all
Defined in:
lib/walletone/fields.rb

Direct Known Subclasses

Notification, Payment

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attrs = {}) ⇒ Fields

Returns a new instance of Fields.



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# File 'lib/walletone/fields.rb', line 22

def initialize attrs={}
  fields = super
  return fields if attrs.empty?
  symbolyzed_attrs = attrs.inject({}) { |acc, e| acc[e.first.to_sym]=e.last; acc }
  fields.merge! symbolyzed_attrs
end

Class Method Details

.define_fields(fields) ⇒ Object 



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# File 'lib/walletone/fields.rb', line 5

def self.define_fields fields
  # Определяем методы для прямого доступа
  # > payment.WMI_MERCHANT_ID
  # > payment.WMI_MERCHANT_ID=123
  #
  # > payment.WMI_PTENABLED =
  fields.each do |k|
    define_method k do
      fetch k
    end

    define_method "#{k}=" do |value|
      self[k]= value
    end
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/walletone/fields.rb', line 29

def [] key
  fetch key.to_sym, nil
end

#[]=(key, value) ⇒ Object 



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# File 'lib/walletone/fields.rb', line 33

def []= key, value
  super key.to_sym, value
end

#as_list ⇒ Object 



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# File 'lib/walletone/fields.rb', line 41

def as_list
  keys.inject([]) do |acc, name|
    # Делаем именно так, чтобы работало переопределение методов
    # в Payment
    value = respond_to?(name) ? send(name) : fetch(name)
    Array(value).each { |v| acc << [name.to_s, v.to_s] }
    acc
  end
end

#fetch(key, default = nil) ⇒ Object 



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# File 'lib/walletone/fields.rb', line 37

def fetch key, default=nil
  super key.to_sym, default
end

#to_s ⇒ Object 



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# File 'lib/walletone/fields.rb', line 51

def to_s
  as_list.to_s
end