Class: Tramway::Core::ApplicationForm

Inherits:
Reform::Form
  • Object
show all
Defined in:
app/forms/tramway/core/application_form.rb

Direct Known Subclasses

ExtendedApplicationForm

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object = nil) ⇒ ApplicationForm

Returns a new instance of ApplicationForm.



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# File 'app/forms/tramway/core/application_form.rb', line 5

def initialize(object = nil)
  object ||= self.class.model_class.new
  super(object).tap do
    @@model_class = object.class
    @@enumerized_attributes = object.class.try :enumerized_attributes
    @@associations ||= []

    self.class.full_class_name_associations.each do |association, class_name|
      if class_name.is_a? Array
        self.class.send(:define_method, "#{association}=") do |value|
          association_class = send("#{association}_type")
          if association_class.nil?
            raise Tramway::Error.new(plugin: :core, method: :initialize, message: 'Polymorphic association class is nil. Maybe, you should write `assocation #{association_name}` after `properties #{association_name}_id, #{association_name}_type`')
          else
            super association_class.constantize.find value
          end
        end
      else
        self.class.send(:define_method, "#{association}=") do |value|
          super class_name.find value
        end
      end
    end

    delegating object
  end
end

Class Method Details

.association(property) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 109

def association(property)
  properties property
  @@associations ||= []
  @@associations << property
end

.associations(*properties) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 115

def associations(*properties)
  properties.each do |property|
    association property
  end
end

.enumerized_attributes ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 143

def enumerized_attributes
  @@enumerized_attributes
end

.full_class_name_association(association_name) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 139

def full_class_name_association(association_name)
  full_class_name_associations[association_name]
end

.full_class_name_associations ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 121

def full_class_name_associations
  @@associations&.reduce({}) do |hash, association|
    options = @@model_class.reflect_on_all_associations(:belongs_to).select do |a|
      a.name == association.to_sym
    end.first&.options

    if options
      if options[:polymorphic]
        hash.merge! association => @@model_class.send("#{association}_type").values
      else
        class_name = options[:class_name] || association.to_s.camelize
        hash.merge!(association => class_name.constantize)
      end
    end
    hash
  end
end

.model_class ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 151

def model_class
  if defined?(@@model_class) && @@model_class
    @@model_class
  else
    model_class_name ||= name.to_s.sub(/Form$/, '')
    begin
      @@model_class = model_class_name.constantize
    rescue StandardError
      error = Tramway::Error.new(plugin: :core, method: :model_class, message: "There is not model class name for #{name}. Should be #{model_class_name} or you can use another class to initialize form object or just initialize form with object.")
      raise error.message
    end
  end
end

.model_class=(name) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 165

def model_class=(name)
  @@model_class = name
end

.reflect_on_association(*args) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 147

def reflect_on_association(*args)
  @@model_class.reflect_on_association(*args)
end

.validates(attribute, **options) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 173

def validates(attribute, **options)
  if !defined?(@@model_class) || @@model_class.nil?
    error = Tramway::Error.new(plugin: :core, method: :validates, message: 'You need to set `model_class` name while using validations. Just write `self.model_class = YOUR_MODEL_NAME` in the class area.')
    raise error.message
  end
  @@model_class.validates attribute, **options
  #  @@validations ||= {}
  #  @@validations.deep_merge! attribute => options
end

.validation_group_class ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 169

def validation_group_class
  ActiveModel
end

Instance Method Details

#attributes ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 100

def attributes
  properties.reduce({}) do |hash, property|
    hash.merge! property => send(property.first)
  end
end

#build_errors ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 89

def build_errors; end

#delegating(object) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 91

def delegating(object)
  methods = %i[to_key errors]
  methods.each do |method|
    self.class.send(:define_method, method) do
      object.send method
    end
  end
end

#form_properties(**args) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 68

def form_properties(**args)
  @form_properties = args
end

#form_properties_additional(**args) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 72

def form_properties_additional(**args)
  @form_properties_additional = args
end

#model_name ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 64

def model_name
  @@model_class.model_name
end

#properties ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 76

def properties
  return @form_properties if @form_properties

  yaml_config_file_path = Rails.root.join('app', 'forms', "#{self.class.name.underscore}.yml")
  if File.exist? yaml_config_file_path
    @form_properties = YAML.load_file(yaml_config_file_path).deep_symbolize_keys
    @form_properties.deep_merge! @form_properties_additional if @form_properties_additional
    @form_properties
  else
    []
  end
end

#submit(params) ⇒ Object 



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# File 'app/forms/tramway/core/application_form.rb', line 33

def submit(params)
  if params
    if validate params
      begin
        save.tap do
          # self.class.remove_validations_from_model!
        end
      rescue StandardError => e
        # self.class.remove_validations_from_model!
        error = Tramway::Error.new(plugin: :core, method: :submit, message: "Looks like you have method `#{e.name.to_s.gsub('=', '')}` in #{@@model_class}. You should rename it or rename property in #{self.class}")
        raise error.message
      end
    else
      association_error = false
      @@associations.each do |association|
        if errors.details[association] == [{ error: :blank }]
          model.send("#{association}=", send(association))
          association_error = true
        end
      end
      (association_error && save).tap do
        # self.class.remove_validations_from_model!
      end
    end
  else
    # self.class.remove_validations_from_model!
    error = Tramway::Error.new(plugin: :core, method: :submit, message: 'ApplicationForm::Params should not be nil')
    raise error.message
  end
end