Module: ElaineCrud::BaseHelper

Defined in:
app/helpers/elaine_crud/base_helper.rb

Instance Method Summary collapse

Instance Method Details

#display_column_value(record, column) ⇒ String

Display the value of a column for a record (legacy method for backward compatibility) This method can be overridden in the host application to customize display

Parameters:

  • record (ActiveRecord::Base) —

    The record to display

  • column (String) —

    The column name to display

Returns:

  • (String) —

    The formatted value



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# File 'app/helpers/elaine_crud/base_helper.rb', line 11

def display_column_value(record, column)
  # Handle virtual fields that don't exist on the model
  unless record.respond_to?(column)
    return content_tag(:span, 'Virtual field', class: 'text-gray-400')
  end
  
  value = record.public_send(column)
  
  case value
  when nil
    content_tag(:span, '—', class: 'text-gray-400')
  when true
    content_tag(:span, '✓', class: 'text-green-600 font-bold')
  when false
    content_tag(:span, '✗', class: 'text-red-600 font-bold')
  when Date, DateTime, Time
    value.strftime('%m/%d/%Y')
  else
    truncate(value.to_s, length: 50)
  end
end

#display_field_value(record, field_name, context: :index) ⇒ String

Display field value using new field configuration system

Parameters:

  • record (ActiveRecord::Base) —

    The record to display

  • field_name (Symbol) —

    The field name

  • context (Symbol) (defaults to: :index) —

    The display context (:index or :show)

Returns:

  • (String) —

    The formatted value



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# File 'app/helpers/elaine_crud/base_helper.rb', line 38

def display_field_value(record, field_name, context: :index)
  config = controller.field_config_for(field_name)

  # Handle has_many relationships
  if config&.has_has_many? || is_has_many_relationship?(record, field_name)
    return display_has_many_value(record, field_name, config)
  end

  # Handle has_one relationships
  if config&.has_has_one? || is_has_one_relationship?(record, field_name)
    return display_has_one_value(record, field_name, config)
  end

  # If field has custom display configuration, use it first (allows overriding defaults)
  if config&.has_custom_display?
    return config.render_display_value(record, controller)
  # Handle has_and_belongs_to_many relationships with default display
  elsif config&.has_habtm? || is_habtm_relationship?(record, field_name)
    return display_habtm_field(record, field_name, config, context: context)
  elsif config&.has_foreign_key?
    # TODO: Implement foreign key display logic
    # Should load the related record and format it according to foreign_key config
    display_foreign_key_value(record, field_name, config)
  else
    # Fall back to default display logic
    display_column_value(record, field_name.to_s)
  end
end