class TableStructure::Schema::ColumnBuilderFactory

Public Class Methods

new( builders, context: nil, name_prefix: nil, name_suffix: nil ) click to toggle source
# File lib/table_structure/schema/column_builder_factory.rb, line 6
def initialize(
  builders,
  context: nil,
  name_prefix: nil,
  name_suffix: nil
)
  @builders = builders
  @context = context

  optional_builders = {}

  if name_prefix
    optional_builders[:_name_prepender_] =
      ::TableStructure::Utils::TypedProc.new(
        types: :header
      ) do |val|
        val.nil? ? val : "#{name_prefix}#{val}"
      end
  end

  if name_suffix
    optional_builders[:_name_appender_] =
      ::TableStructure::Utils::TypedProc.new(
        types: :header
      ) do |val|
        val.nil? ? val : "#{val}#{name_suffix}"
      end
  end

  @builders.merge!(optional_builders) unless optional_builders.empty?
end

Public Instance Methods

create_data_builder() click to toggle source
# File lib/table_structure/schema/column_builder_factory.rb, line 56
def create_data_builder
  builders =
    @builders
    .select { |_k, v| v.typed?(:body) }
    .values

  return if builders.empty?

  proc do |row|
    row.values = row.values.map do |value|
      builders.reduce(value) do |value, builder|
        builder.call(value, row.context, @context)
      end
    end
    row
  end
end
create_header_builder() click to toggle source
# File lib/table_structure/schema/column_builder_factory.rb, line 38
def create_header_builder
  builders =
    @builders
    .select { |_k, v| v.typed?(:header) }
    .values

  return if builders.empty?

  proc do |row|
    row.values = row.values.map do |value|
      builders.reduce(value) do |value, builder|
        builder.call(value, row.context, @context)
      end
    end
    row
  end
end