Module: KubeDSL::ValueFields::ClassMethods

Defined in:
lib/kube-dsl/value_fields.rb

Instance Method Summary collapse

Instance Method Details

#__fields__ ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 110

def __fields__
  @__fields__ ||= {
    value: [],
    object: [],
    key_value: [],
    array: []
  }
end

#array_field(field, accessor = nil, &field_block) ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 66

def array_field(field, accessor = nil, &field_block)
  accessor ||= Inflector.pluralize(field.to_s).to_sym

  __fields__[:array] << { field: field, accessor: accessor }

  define_method(field) do |elem_name = nil, &block|
    ivar = :"@#{accessor}"
    arr = instance_variable_get(ivar)

    # use a hash so elements can be named and modified later
    unless arr
      arr = {}
      instance_variable_set(ivar, arr)
    end

    if elem_name && elem = arr[elem_name]
      elem.instance_eval(&block) if block
      elem
    else
      if field_block
        new_val = field_block.call
        new_val.instance_eval(&block) if block
      else
        new_val = block.call if block
      end

      arr[elem_name || SecureRandom.hex] = new_val
      new_val
    end
  end

  define_method(accessor) do
    ivar = :"@#{accessor}"
    arr = instance_variable_get(ivar)

    unless arr
      arr = {}
      instance_variable_set(ivar, arr)
    end

    arr.values
  end
end

#key_value_field(field, format:) ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 49

def key_value_field(field, format:)
  __fields__[:key_value] << field

  define_method(field) do |&block|
    ivar = :"@#{field}"
    val = instance_variable_get(ivar)

    unless val
      val = ::KubeDSL::KeyValueFields.new(format: format)
      instance_variable_set(ivar, val)
    end

    val.instance_exec(&block) if block
    val
  end
end

#object_field(field, allow_empty: false, &field_block) ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 28

def object_field(field, allow_empty: false, &field_block)
  __fields__[:object] << field
  ivar = :"@#{field}"

  define_method(field) do |&block|
    val = instance_variable_get(ivar)

    unless val
      val = field_block.call
      instance_variable_set(ivar, val)
    end

    val.instance_exec(&block) if block
    val
  end

  define_method("#{field}_present?") do
    instance_variable_defined?(ivar)
  end
end

#value_field(field, default: nil) ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 14

def value_field(field, default: nil)
  __fields__[:value] << field

  define_method(field) do |value = (value_unset = true; nil)|
    if value_unset
      instance_variable_get(:"@#{field}") || (
        default.respond_to?(:call) ? default.call(self) : default
      )
    else
      instance_variable_set(:"@#{field}", value)
    end
  end
end

#value_fields(*fields) ⇒ Object 



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# File 'lib/kube-dsl/value_fields.rb', line 10

def value_fields(*fields)
  fields.each { |field| value_field(field) }
end