Simple Table

simple_table.rb

# frozen_string_literal: true

class Components::SimpleTable < Components::Base
  Column = Data.define(:name, :align, :content)
  
  def initialize(resources)
    @resources = resources
    @columns = []
  end

  def before_template
    # Does an early yield so the public method `column` can be used to build up the table.
    vanish { yield(self) }
  end

  def view_template
    table do
      thead do
        tr do
          @columns.each do |column|
            th { column.name }
          end
        end
      end

      tbody do
        @resources.each do |resource|
          tr do
            @columns.each do |column|
              td(
                class: [
                  ("text-right" if column.align == :right),
                  ("text-center" if column.align == :center),
                  ("text-left" if column.align == :left),
                ]
              ) { column.content.call(resource) }
            end
          end
        end
      end
    end
  end

  def column(name, align: :left, &content)
    align => :left | :right | :center
    @columns << Column.new(name:, align:, content:)
  end
end