Class: SimpleFormRansack::AttributeInspector

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_form_ransack/attribute_inspector.rb

Overview

Inpect the model namespace for labels based on Ransack-names in order to generate labels for inputs.

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ AttributeInspector

Returns a new instance of AttributeInspector.



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# File 'lib/simple_form_ransack/attribute_inspector.rb', line 3

def initialize(args)
  @args = args
  @ransack_name = args[:name]
  @name_parts = @ransack_name.to_s.split("_")
  @instance = args[:instance]
  @clazz = args[:clazz]
  @debug = args[:debug]

  @generated_name_classes = []
  @models = []
  @current_clazz = @clazz
  @name_builtup = []

  has_attribute_directly = @clazz.attribute_names.select { |name| name.to_s == @ransack_name.to_s }.any?

  research unless has_attribute_directly
end

Instance Method Details

#generated_label ⇒ Object

Generates the complicated label and returns it.



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# File 'lib/simple_form_ransack/attribute_inspector.rb', line 63

def generated_label
  name = ""

  if @generated_name_classes.last
    clazz = @generated_name_classes.last.fetch(:clazz)
    reflection = @generated_name_classes.last.fetch(:reflection)

    if reflection.collection?
      name << clazz.model_name.human(count: 2)
    else
      name << clazz.model_name.human
    end
  end

  name << " " unless name.empty?
  name << @current_clazz.human_attribute_name(@attribute).to_s.downcase

  name
end

#generated_label? ⇒ Boolean

Returns true if a complicated label could be generated and simple form should not do this itself.

Returns:

  • (Boolean) 


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# File 'lib/simple_form_ransack/attribute_inspector.rb', line 57

def generated_label?
  return true if @attribute && @generated_name_classes.any?
  false
end

#research ⇒ Object

Loop through the name parts and inspectors reflections with it.



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# File 'lib/simple_form_ransack/attribute_inspector.rb', line 22

def research
  @name_parts.each_with_index do |name_part, index|
    @name_builtup << name_part

    # The last part should be the attribute name.
    if index == @name_parts.length - 1
      attribute_result = attribute_by_builtup

      if attribute_result
        puts "Attribute was: #{attribute_result.fetch(:name)}" if @debug
        @attribute = attribute_result.fetch(:name)
        break
      else
        puts "Not found: #{@name_builtup.join("_")}" if @debug
        next
      end
    end

    # Try next - maybe next key need to be added? (which is common!)
    reflection_result = reflection_by_builtup
    next unless reflection_result

    @name_builtup = []
    name = reflection_result.fetch(:name)
    reflection = reflection_result.fetch(:reflection)

    puts "Name: #{name}" if @debug
    puts "Reflection: #{reflection}" if @debug

    @current_clazz = reflection.klass
    @generated_name_classes << {clazz: @current_clazz, reflection: reflection}
  end
end