Class: RubyUIAdmin::Fields::BelongsToField

Inherits:
BaseField
  • Object
show all
Defined in:
lib/ruby_ui_admin/fields/belongs_to_field.rb

Instance Attribute Summary

Attributes inherited from BaseField

#block, #id, #options, #resource

Instance Method Summary collapse

Methods inherited from BaseField

#default_hidden_views, #default_value, #description, field_type, #fill, #fill_value, #filterable?, #formatted_value, #has_default?, #help, #initialize, #link_to_record?, #name, #permit_param, #permit_params, #permitted_param, #placeholder, #readonly?, register_as, #required?, #sort_lambda, #sortable?, #type, #value, #visible?, #visible_in_view?

Constructor Details

This class inherits a constructor from RubyUIAdmin::Fields::BaseField

Instance Method Details

#database_id ⇒ Object

belongs_to writes/reads the foreign key column.



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 9

def database_id
  :"#{id}_id"
end

#display_label(record) ⇒ Object 



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 34

def display_label(record)
  return nil if record.nil?

  if record.respond_to?(:to_label)
    record.to_label
  elsif record.respond_to?(:name)
    record.name
  elsif record.respond_to?(:title)
    record.title
  else
    "#{record.model_name.human} ##{record.id}"
  end
end

#foreign_key_value(record) ⇒ Object 



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 13

def foreign_key_value(record)
  record.public_send(database_id) if record&.respond_to?(database_id)
end

#options_for_select(limit: 1000) ⇒ Object

Candidate records to choose from in forms. Capped to avoid huge selects.



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 27

def options_for_select(limit: 1000)
  model = target_model
  return [] if model.nil?

  model.all.limit(limit).map { |record| [display_label(record), record.id] }
end

#reflection ⇒ Object

The ActiveRecord reflection for this association on the resource model.



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 18

def reflection
  resource&.model_class&.reflect_on_association(id)
end

#target_model ⇒ Object 



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# File 'lib/ruby_ui_admin/fields/belongs_to_field.rb', line 22

def target_model
  options[:model] || reflection&.klass
end