Class: Patterns::Form

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Validations
Defined in:
lib/patterns/form.rb

Constant Summary collapse

Error = 
Class.new(StandardError)
Invalid = 
Class.new(Error)
NoParamKey = 
Class.new(Error)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Form

Returns a new instance of Form.



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# File 'lib/patterns/form.rb', line 13

def initialize(*args)
  attributes = args.extract_options!

  if attributes.blank? && args.last.is_a?(ActionController::Parameters)
    attributes = args.pop.to_unsafe_h
  end

  @resource = args.first

  super(build_original_attributes.merge(attributes))
end

Class Method Details

.param_key(key = nil) ⇒ Object 



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# File 'lib/patterns/form.rb', line 72

def self.param_key(key = nil)
  if key.nil?
    @param_key
  else
    @param_key = key
  end
end

Instance Method Details

#as(form_owner) ⇒ Object 



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# File 'lib/patterns/form.rb', line 35

def as(form_owner)
  @form_owner = form_owner
  self
end

#model_name ⇒ Object 



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# File 'lib/patterns/form.rb', line 68

def model_name
  @model_name ||= OpenStruct.new(model_name_attributes)
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/patterns/form.rb', line 60

def persisted?
  if resource.present? && resource.respond_to?(:persisted?)
    resource.persisted?
  else
    false
  end
end

#save ⇒ Object 



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# File 'lib/patterns/form.rb', line 25

def save
  valid? ? persist : false
end

#save! ⇒ Object 



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# File 'lib/patterns/form.rb', line 29

def save!
  save.tap do |saved|
    raise Invalid unless saved
  end
end

#to_key ⇒ Object 



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# File 'lib/patterns/form.rb', line 40

def to_key
  nil
end

#to_model ⇒ Object 



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# File 'lib/patterns/form.rb', line 48

def to_model
  self
end

#to_param ⇒ Object 



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# File 'lib/patterns/form.rb', line 52

def to_param
  if resource.present? && resource.respond_to?(:to_param)
    resource.to_param
  else
    nil
  end
end

#to_partial_path ⇒ Object 



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# File 'lib/patterns/form.rb', line 44

def to_partial_path
  nil
end