Module: Reports::NestedAttributeOptions

Defined in:
app/commands/reports/nested_attribute_options.rb

Class Method Summary collapse

Class Method Details

.expand_on ⇒ Object 



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# File 'app/commands/reports/nested_attribute_options.rb', line 117

def self.expand_on
  return @expand_on if @expand_on_memoized

  @expand_on_memoized = true

  @expand_on = @expand_on.call if @expand_on.is_a?(Proc)

  # Fallback only if @expand_on was never set
  if @expand_on.nil? && klass
    @expand_on = klass.nested_attributes_options.keys
  end

  @expand_on = Array(@expand_on).map do |expansion|
    expansion.is_a?(Hash) ? expansion : { value: expansion, column_name: "type" }
  end
end

.generate_filter_options(klass, **options) ⇒ Object 



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# File 'app/commands/reports/nested_attribute_options.rb', line 59

def self.generate_filter_options(klass, **options)
  [].tap do |results|
    flattener_klass = ::Flattener.for(klass).pivot_or_self
    associations = flattener_klass.associations.lazy.
      select(&:is_nested_attributes?)
    associations.
      reject { |association| association.flattener.class.is_pivot? }.
      reject { |association| association.merge_into_parent }.
      select { |association| association.count >= 0 }.
      each do |association|
      resource = Flattener::Resource.new(
        flattener: association.flattener,
        association: association,
        parent: Flattener::Resource.new(flattener: Flattener.for(klass).new)
      )
      association_root_name = association.name.to_s.singularize
      expansions = Array(association.klass).map do |expand_on|
        expand_on.respond_to?(:name) ? expand_on.name : expand_on.to_s
      end
      expansions.each do |_expansion|
        resource.attributes.each do |attribute|
          child_column_name = (attribute.column.alias_name || attribute.column_name || attribute.column.name).to_s
          column_name = [association_root_name, *child_column_name].join("_").underscore
          column_type = ::Flattener::Column::Types.sql_type_to_type(attribute.column.sql_type)
          next if column_type == ::Flattener::Column::Types::JSON # skip json
          filter_option = ::Reports::FilterOptionGenerator.for(column_type).
            new(flattener_attr: attribute, attr: column_name, name: ::Reports::Generator.build_option_name(column_name, preserve_id: true), **options).
            generate.
            tap do |o|
            o[:nestedResourceCount] = (association.count if association.count > 0)
            o[:associationName] = association.name.to_s
            if [::Flattener::Column::Types::DATE, ::Flattener::Column::Types::DATETIME].include?(column_type)
              o.merge!(
                filterOptionType: "BelongsTo",
                columnType: nil,
                operationType: nil,
                partialType: nil,
              )
            end
          end

          results << filter_option
        end
      end
    end
  end
end

.generate_select_options(klass, **_options) ⇒ Object

Generate select options (attributes) for all associations with nested attributes for the given class.



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# File 'app/commands/reports/nested_attribute_options.rb', line 8

def self.generate_select_options(klass, **_options)
  [].tap do |results|
    flattener_klass = ::Flattener.for(klass).pivot_or_self
    associations = flattener_klass.associations.lazy.select(&:is_nested_attributes?)
    associations.
      reject { |association| association.klass.nil? }.
      reject { |association| association.flattener.class.is_pivot? }.
      reject { |association| association.merge_into_parent }.
      select { |association| association.count >= 0 }.
      each do |association|
      resource = Flattener::Resource.new(
        flattener: association.flattener,
        association: association,
        parent: Flattener::Resource.new(flattener: Flattener.for(klass).new)
      )
      association_root_name = association.name.to_s.singularize

      expansions = Array(association.klass).map do |expand_on|
        expand_on.respond_to?(:name) ? expand_on.name : expand_on.to_s
      end

      expansions.each do |_expansion|
        resource.attributes.each do |attribute|
          child_column_name = (attribute.column.alias_name || attribute.column_name || attribute.column.name).to_s
          column_name = [association_root_name, *child_column_name].join("_").underscore
          column_type = ::Flattener::Column::Types.sql_type_to_type(attribute.column.sql_type)
          next if column_type == ::Flattener::Column::Types::JSON # skip json

          result = {
            name: ::Reports::Generator.build_option_name(column_name, preserve_id: true),
            columnType: column_type.to_s,
            nestedResourceCount: (association.count if association.count > 0),
            associationName: association.name.to_s,
            associationColumnName: column_name,
          }

          if association.expand_on_column
            result[:associationColumnName] = [association_root_name, *child_column_name].join("_").underscore
          end

          if [::Flattener::Column::Types::DATE, ::Flattener::Column::Types::DATETIME].include?(column_type)
            result[:selectOptionType] = "BelongsTo"
          end

          results << result
        end
      end
    end
  end
end

.is_expanded?(resource) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/commands/reports/nested_attribute_options.rb', line 112

def self.is_expanded?(resource)
  return false unless resource.try :association
  resource.association.count > 0 || is_expanded?(resource.parent)
end

.is_nested?(attr) ⇒ Boolean

Check if the attribute is nested (i.e. sales_manager_1_name)

Returns:

  • (Boolean) 


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# File 'app/commands/reports/nested_attribute_options.rb', line 108

def self.is_nested?(attr)
  is_expanded?(attr.resource)
end