Class: RailsSimpleParams::Coercion

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_simple_params/coercion.rb,
lib/rails_simple_params/coercion/hash_param.rb,
lib/rails_simple_params/coercion/time_param.rb,
lib/rails_simple_params/coercion/array_param.rb,
lib/rails_simple_params/coercion/float_param.rb,
lib/rails_simple_params/coercion/string_param.rb,
lib/rails_simple_params/coercion/boolean_param.rb,
lib/rails_simple_params/coercion/integer_param.rb,
lib/rails_simple_params/coercion/virtual_param.rb,
lib/rails_simple_params/coercion/big_decimal_param.rb

Defined Under Namespace

Classes: ArrayParam, BigDecimalParam, BooleanParam, FloatParam, HashParam, IntegerParam, StringParam, TimeParam, VirtualParam

Constant Summary collapse

PARAM_TYPE_MAPPING = 
{
  Integer => IntegerParam,
  Float => FloatParam,
  String => StringParam,
  Array => ArrayParam,
  Hash => HashParam,
  BigDecimal => BigDecimalParam,
  Date => TimeParam,
  DateTime => TimeParam,
  Time => TimeParam,
  TrueClass => BooleanParam,
  FalseClass => BooleanParam,
  boolean: BooleanParam
}.freeze
TIME_TYPES = 
[Date, DateTime, Time].freeze
BOOLEAN_TYPES = 
[TrueClass, FalseClass, :boolean].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(param, type, options) ⇒ Coercion

Returns a new instance of Coercion.



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# File 'lib/rails_simple_params/coercion.rb', line 25

def initialize(param, type, options)
  @param = param
  @coercion = klass_for(type).new(param: param, options: options, type: type)
end

Instance Attribute Details

#coercion ⇒ Object (readonly)

Returns the value of attribute coercion.



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# File 'lib/rails_simple_params/coercion.rb', line 5

def coercion
  @coercion
end

#param ⇒ Object (readonly)

Returns the value of attribute param.



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# File 'lib/rails_simple_params/coercion.rb', line 5

def param
  @param
end

Instance Method Details

#coerce ⇒ Object 



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# File 'lib/rails_simple_params/coercion.rb', line 37

def coerce
  return nil if param.nil?

  coercion.coerce
end

#klass_for(type) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/rails_simple_params/coercion.rb', line 30

def klass_for(type)
  klass = PARAM_TYPE_MAPPING[type]
  return klass if klass

  raise TypeError
end