Class: Rectify::Form

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/rectify/form.rb', line 6

def context
  @context
end

Class Method Details

.array_attribute_names ⇒ Object 



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# File 'lib/rectify/form.rb', line 34

def self.array_attribute_names
  attribute_set.select { |a| a.primitive == Array }.map { |a| a.name.to_s }
end

.convert_indexed_hashes_to_arrays(attributes_hash) ⇒ Object 



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

def self.convert_indexed_hashes_to_arrays(attributes_hash)
  array_attribute_names.each do |name|
    attribute = attributes_hash[name]
    next unless attribute.is_a?(Hash)

    attributes_hash[name] = attribute.values
  end
end

.from_json(json) ⇒ Object 



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# File 'lib/rectify/form.rb', line 42

def self.from_json(json)
  from_params(JSON.parse(json))
end

.from_model(model) ⇒ Object 



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# File 'lib/rectify/form.rb', line 38

def self.from_model(model)
  Rectify::BuildFormFromModel.new(self, model).build
end

.from_params(params, additional_params = {}) ⇒ Object 



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# File 'lib/rectify/form.rb', line 10

def self.from_params(params, additional_params = {})
  params_hash = hash_from(params)

  attribute_names = attribute_set.map(&:name)

  attributes_hash = params_hash
    .fetch(mimicked_model_name, {})
    .merge(params_hash.slice(*attribute_names))
    .merge(additional_params)

  convert_indexed_hashes_to_arrays(attributes_hash)

  new(attributes_hash)
end

.hash_from(params) ⇒ Object 



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# File 'lib/rectify/form.rb', line 65

def self.hash_from(params)
  params = params.to_unsafe_h if params.respond_to?(:to_unsafe_h)
  params.with_indifferent_access
end

.infer_model_name ⇒ Object 



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# File 'lib/rectify/form.rb', line 54

def self.infer_model_name
  class_name = name.split("::").last
  return :form if class_name == "Form"

  class_name.chomp("Form").underscore.to_sym
end

.mimic(model_name) ⇒ Object 



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# File 'lib/rectify/form.rb', line 46

def self.mimic(model_name)
  @model_name = model_name.to_s.underscore.to_sym
end

.mimicked_model_name ⇒ Object 



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# File 'lib/rectify/form.rb', line 50

def self.mimicked_model_name
  @model_name || infer_model_name
end

.model_name ⇒ Object 



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# File 'lib/rectify/form.rb', line 61

def self.model_name
  ActiveModel::Name.new(self, nil, mimicked_model_name.to_s.camelize)
end

Instance Method Details

#attributes ⇒ Object 



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# File 'lib/rectify/form.rb', line 92

def attributes
  super.except(:id)
end

#before_validation ⇒ Object 



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# File 'lib/rectify/form.rb', line 102

def before_validation
  # Implement this in your form object if you would like to perform some
  # some processing before validation happens (optional).
end

#map_model(model) ⇒ Object 



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# File 'lib/rectify/form.rb', line 96

def map_model(model)
  # Implement this in your form object for custom mapping from model to form
  # object as part of the `.from_model` call after matching attributes are
  # populated (optional).
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rectify/form.rb', line 70

def persisted?
  id.present? && id.to_i > 0
end

#to_key ⇒ Object 



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# File 'lib/rectify/form.rb', line 80

def to_key
  [id]
end

#to_model ⇒ Object 



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# File 'lib/rectify/form.rb', line 84

def to_model
  self
end

#to_param ⇒ Object 



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# File 'lib/rectify/form.rb', line 88

def to_param
  id.to_s
end

#valid?(context = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rectify/form.rb', line 74

def valid?(context = nil)
  before_validation

  [super, form_attributes_valid?, arrays_attributes_valid?].all?
end

#with_context(new_context) ⇒ Object 



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# File 'lib/rectify/form.rb', line 107

def with_context(new_context)
  @context = if new_context.is_a?(Hash)
               OpenStruct.new(new_context)
             else
               new_context
             end

  attributes_that_respond_to(:with_context)
    .each { |f| f.with_context(context) }

  array_attributes_that_respond_to(:with_context)
    .each { |f| f.with_context(context) }

  self
end