Class: ActiveDryForm::BaseForm

Inherits:
Object
  • Object
show all
Defined in:
lib/active_dry_form/base_form.rb

Direct Known Subclasses

Form

Defined Under Namespace

Classes: HashRecord

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(record: nil, params: nil) ⇒ BaseForm

Returns a new instance of BaseForm.



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# File 'lib/active_dry_form/base_form.rb', line 9

def initialize(record: nil, params: nil)
  @attributes = {}

  self.params = params if params
  self.record = record if record

  @errors = {}
  @base_errors = []
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/active_dry_form/base_form.rb', line 7

def attributes
  @attributes
end

#base_errors ⇒ Object

Returns the value of attribute base_errors.



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# File 'lib/active_dry_form/base_form.rb', line 6

def base_errors
  @base_errors
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/active_dry_form/base_form.rb', line 6

def data
  @data
end

#errors ⇒ Object

Returns the value of attribute errors.



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# File 'lib/active_dry_form/base_form.rb', line 6

def errors
  @errors
end

#parent_form ⇒ Object

Returns the value of attribute parent_form.



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# File 'lib/active_dry_form/base_form.rb', line 6

def parent_form
  @parent_form
end

#record ⇒ Object

Returns the value of attribute record.



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# File 'lib/active_dry_form/base_form.rb', line 7

def record
  @record
end

#validator ⇒ Object (readonly)

Returns the value of attribute validator.



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# File 'lib/active_dry_form/base_form.rb', line 7

def validator
  @validator
end

Class Method Details

.define_methods ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 151

def self.define_methods
  const_set :NESTED_FORM_KEYS, []

  self::FIELDS_INFO[:properties].each do |key, value|
    define_method :"#{key}=" do |v|
      attributes[key] = _deep_transform_values_in_params!(v)
    end

    sub_klass =
      if value[:properties] || value.dig(:items, :properties)
        Class.new(BaseForm).tap do |klass|
          klass.const_set :NAMESPACE, ActiveModel::Name.new(nil, nil, key.to_s)
          klass.const_set :FIELDS_INFO, value[:items] || value
          klass.define_methods
        end
      elsif const_defined?(:CURRENT_CONTRACT)
        dry_type = self::CURRENT_CONTRACT.schema.schema_dsl.types[key]
        dry_type = dry_type.member if dry_type.respond_to?(:member)
        dry_type.primitive if dry_type.respond_to?(:primitive)
      end

    if sub_klass && sub_klass < BaseForm
      self::NESTED_FORM_KEYS << {
        type:      sub_klass.const_defined?(:CURRENT_CONTRACT) ? :instance : :hash,
        namespace: key,
        is_array:  value[:type] == 'array',
      }
      nested_key = key
    end

    if nested_key && value[:type] == 'array'
      define_method nested_key do
        nested_records = record.try(nested_key) || []
        if attributes.key?(nested_key)
          attributes[nested_key].each_with_index do |nested_params, idx|
            attributes[nested_key][idx] = sub_klass.wrap(nested_params)
            attributes[nested_key][idx].record = nested_records[idx]
            attributes[nested_key][idx].parent_form = self
            attributes[nested_key][idx]
          end
        else
          attributes[nested_key] =
            nested_records.map do |nested_record|
              nested_form = sub_klass.new
              nested_form.record = nested_record
              nested_form.parent_form = self
              nested_form
            end
        end
        attributes[nested_key]
      end
    elsif nested_key
      define_method nested_key do
        attributes[nested_key] = sub_klass.wrap(attributes[nested_key])
        attributes[nested_key].record = record.try(nested_key)
        attributes[nested_key].parent_form = self
        attributes[nested_key]
      end
    else
      define_method key do
        (data || attributes).fetch(key) { record.try(key) }
      end
    end
  end
end

.human_attribute_name(field) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 131

def self.human_attribute_name(field)
  I18n.t(field, scope: :"activerecord.attributes.#{self::NAMESPACE.i18n_key}")
end

.wrap(object) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 135

def self.wrap(object)
  return object if object.is_a?(BaseForm)

  form = new
  form.attributes = object if object
  form
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 143

def [](key)
  public_send(key)
end

#[]=(key, value) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 147

def []=(key, value)
  public_send(:"#{key}=", value)
end

#errors_full_messages ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 55

def errors_full_messages
  return if errors.blank?

  errors.flat_map do |field, errors|
    case errors
    when Array
      "#{t(model_name.i18n_key, field)}: #{errors.join(',')}"
    when Hash
      errors.map do |k, v|
        case k
        when Integer
          nested_key, nested_errors = v.to_a.first
          "#{t(field, nested_key)} (#{k + 1}): #{nested_errors.join(',')}"
        when Symbol
          "#{t(field, k)}: #{v.join(',')}"
        end
      end
    end
  end
end

#id ⇒ Object

hidden field for nested association



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# File 'lib/active_dry_form/base_form.rb', line 107

def id
  record&.id
end

#info(sub_key) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 89

def info(sub_key)
  {
    type:     self.class::FIELDS_INFO.dig(:properties, sub_key, :format) || self.class::FIELDS_INFO.dig(:properties, sub_key, :type),
    required: self.class::FIELDS_INFO[:required].include?(sub_key.to_s),
  }
end

#model_name ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 85

def model_name
  self.class::NAMESPACE
end

#params=(params) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 31

def params=(params)
  param_key = self.class::NAMESPACE.param_key
  form_params = params[param_key] || params[param_key.to_sym] || params

  if form_params.is_a?(::ActionController::Parameters)
    unless ActiveDryForm.config.allow_action_controller_params
      message = 'in `params` use `request.parameters` instead of `params` or set `allow_action_controller_params` to `true` in config'
      raise ParamsNotAllowedError, message
    end

    form_params = form_params.to_unsafe_h
  end

  self.attributes = form_params
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_dry_form/base_form.rb', line 81

def persisted?
  record&.persisted?
end

#t(*keys) ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 76

def t(*keys)
  str_keys = keys.join('.')
  I18n.t("helpers.label.#{str_keys}", default: :"activerecord.attributes.#{str_keys}")
end

#to_key ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 101

def to_key
  key = id
  [key] if key
end

#to_model ⇒ Object

ActionView::Helpers::Tags::Translator#human_attribute_name



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# File 'lib/active_dry_form/base_form.rb', line 97

def to_model
  self
end

#to_param ⇒ Object

используется при генерации URL, когда record.persisted?



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# File 'lib/active_dry_form/base_form.rb', line 112

def to_param
  id.to_s
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_dry_form/base_form.rb', line 127

def valid?
  @is_valid
end

#validate ⇒ Object 



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# File 'lib/active_dry_form/base_form.rb', line 116

def validate
  @validator   = self.class::CURRENT_CONTRACT.call(attributes, { form: self, record: record })
  @data        = @validator.values.data
  @errors      = @validator.errors.to_h
  @base_errors = @validator.errors.filter(:base?).map(&:to_s)

  @is_valid = @base_errors.empty? && @errors.empty?

  _deep_validate_nested
end