Class: Rbdantic::Validators::Types::Model

Inherits:
Base
  • Object
show all
Defined in:
lib/rbdantic/validators/types/model.rb

Overview

Validator for nested model types

Instance Attribute Summary collapse

Attributes inherited from Base

#constraints

Instance Method Summary collapse

Methods inherited from Base

#coerce

Constructor Details

#initialize(model_class, **constraints) ⇒ Model

Returns a new instance of Model.



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# File 'lib/rbdantic/validators/types/model.rb', line 12

def initialize(model_class, **constraints)
  super(**constraints)
  @model_class = model_class
end

Instance Attribute Details

#model_class ⇒ Object (readonly)

Returns the value of attribute model_class.



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# File 'lib/rbdantic/validators/types/model.rb', line 10

def model_class
  @model_class
end

Instance Method Details

#expected_type_name ⇒ Object 



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# File 'lib/rbdantic/validators/types/model.rb', line 21

def expected_type_name
  @model_class.name
end

#matches_type?(value) ⇒ Boolean

Returns:



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# File 'lib/rbdantic/validators/types/model.rb', line 17

def matches_type?(value)
  value.is_a?(@model_class)
end

#validate(value, location = [], strict: false) ⇒ Object

Model validation has special handling for nil and Hash so we override validate entirely



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# File 'lib/rbdantic/validators/types/model.rb', line 27

def validate(value, location = [], strict: false)
  return [[], nil] if value.nil?

  if matches_type?(value)
    return [validate_existing_instance(value, location, strict: strict), value]
  end

  if value.is_a?(::Hash)
    if strict
      return [
        [error(type: :type_error, loc: location, msg: "Expected #{expected_type_name}, got Hash", input: value)],
        value
      ]
    end
    begin
      return [[], @model_class.new(value)]
    rescue ValidationError => e
      return [remap_errors(e.errors, location), value]
    end
  end

  [
    [error(type: :type_error, loc: location, msg: "Expected #{expected_type_name}, got #{value.class.name}", input: value)],
    value
  ]
end

#validate_constraints(value, _errors, _location, strict: false) ⇒ Object 



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# File 'lib/rbdantic/validators/types/model.rb', line 54

def validate_constraints(value, _errors, _location, strict: false)
  value
end