Class: SmartParams::Field

Inherits:
Object
  • Object
show all
Defined in:
lib/smart_params/field.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(keychain:, type:, &nesting) ⇒ Field 



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# File 'lib/smart_params/field.rb', line 8

def initialize(keychain:, type:, &nesting)
  @keychain = Array(keychain)
  @subfields = Set.new
  @type = type

  if block_given?
    instance_eval(&nesting)
  end
end

Instance Attribute Details

#keychain ⇒ Object (readonly)

Returns the value of attribute keychain.



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# File 'lib/smart_params/field.rb', line 3

def keychain
  @keychain
end

#subfields ⇒ Object (readonly)

Returns the value of attribute subfields.



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# File 'lib/smart_params/field.rb', line 5

def subfields
  @subfields
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/smart_params/field.rb', line 6

def type
  @type
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/smart_params/field.rb', line 4

def value
  @value
end

Instance Method Details

#claim(raw) ⇒ Object 



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# File 'lib/smart_params/field.rb', line 22

def claim(raw)
  return type[dug(raw)] if deep?

  @value = type[dug(raw)]
rescue Dry::Types::ConstraintError => bad_type_exception
  raise SmartParams::Error::InvalidPropertyType, keychain: keychain, wanted: type, raw: if keychain.empty? then raw else raw.dig(*keychain) end
end

#deep? ⇒ Boolean 



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# File 'lib/smart_params/field.rb', line 18

def deep?
  subfields.present?
end

#empty? ⇒ Boolean 



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# File 'lib/smart_params/field.rb', line 36

def empty?
  value.nil?
end

#to_hash ⇒ Object 



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# File 'lib/smart_params/field.rb', line 30

def to_hash
  keychain.reverse.reduce(value) do |accumulation, key|
    { key => accumulation }
  end
end

#weight ⇒ Object 



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# File 'lib/smart_params/field.rb', line 40

def weight
  keychain.map(&:to_s)
end