Class: Datacaster::ArraySchema

Inherits:
Base
  • Object
show all
Defined in:
lib/datacaster/array_schema.rb

Instance Method Summary collapse

Methods included from Mixin

#&, #*, #call, #call_with_runtime, #cast_errors, #i18n_key, #i18n_map_keys, #i18n_scope, #i18n_vars, #json_schema, #json_schema_attributes, #then, #to_json_schema_attributes, #with_context, #with_object_context, #with_runtime, #|

Constructor Details

#initialize(element_caster, error_keys = {}, allow_empty: false) ⇒ ArraySchema

Returns a new instance of ArraySchema.



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# File 'lib/datacaster/array_schema.rb', line 3

def initialize(element_caster, error_keys = {}, allow_empty: false)
  @element_caster = element_caster
  @allow_empty = allow_empty

  @not_array_error_keys = ['.array', 'datacaster.errors.array']
  @not_array_error_keys.unshift(error_keys[:array]) if error_keys[:array]

  @empty_error_keys = ['.empty', 'datacaster.errors.empty']
  @error_keys.unshift(error_keys[:empty]) if error_keys[:empty]
end

Instance Method Details

#cast(array, runtime:) ⇒ Object 



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# File 'lib/datacaster/array_schema.rb', line 14

def cast(array, runtime:)
  return Datacaster.ErrorResult(I18nValues::Key.new(@not_array_error_keys, value: array)) if !array.respond_to?(:map) || !array.respond_to?(:zip)
  return Datacaster.ErrorResult(I18nValues::Key.new(@empty_error_keys, value: array)) if array.empty? && !@allow_empty

  runtime.will_check!

  result =
    array.map.with_index do |x, i|
      runtime.checked_key!(i) do
        @element_caster.with_runtime(runtime).(x)
      end
    end

  if result.all?(&:valid?)
    Datacaster.ValidResult(result.map!(&:value))
  else
    Datacaster.ErrorResult(result.each.with_index.reject { |x, _| x.valid? }.map { |x, i| [i, x.raw_errors] }.to_h)
  end
end

#inspect ⇒ Object 



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# File 'lib/datacaster/array_schema.rb', line 41

def inspect
  "#<Datacaster::ArraySchema [#{@element_caster.inspect}]>"
end

#to_json_schema ⇒ Object 



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# File 'lib/datacaster/array_schema.rb', line 34

def to_json_schema
  JsonSchemaResult.new({
    'type' => 'array',
    'items' => @element_caster.to_json_schema
  })
end