Class: Wallaby::ActiveRecord::ModelDecorator::TitleFieldFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/adaptors/wallaby/active_record/model_decorator/title_field_finder.rb

Overview

Try to find the field that can be used as title

Constant Summary collapse

TITLE_FIELD_TYPES = 
%w(string).freeze
TITLE_NAMES = 
%w(name title string text).freeze

Instance Method Summary collapse

Constructor Details

#initialize(model_class, fields) ⇒ TitleFieldFinder

Returns a new instance of TitleFieldFinder.

Parameters:

  • model_class (Class) —

    model class

  • fields (Hash) —

    fields metadata



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# File 'lib/adaptors/wallaby/active_record/model_decorator/title_field_finder.rb', line 12

def initialize(model_class, fields)
  @model_class  = model_class
  @fields       = fields
end

Instance Method Details

#find ⇒ String

Returns field name that can be used as title.

Returns:

  • (String) —

    field name that can be used as title



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# File 'lib/adaptors/wallaby/active_record/model_decorator/title_field_finder.rb', line 18

def find
  possible_title_fields = @fields.select do |_field_name, metadata|
    TITLE_FIELD_TYPES.include? metadata[:type]
  end
  target_field = possible_title_fields.values.find do |metadata|
    TITLE_NAMES.any? { |v| metadata[:name].index v }
  end
  target_field ||= possible_title_fields.values.first
  target_field ||= { name: @model_class.primary_key }
  target_field[:name]
end