Improve BaseDatagrid with more examples

templates/base.rb.erb

@@ -11,11 +11,35 @@ class BaseGrid
  # Enable forbidden attributes protection
  # self.forbidden_attributes_protection = true
 
- def self.date_column(name, *args)
+ # Makes a date column
+ # @param name [Symbol] Column name
+ # @param args [Array] Other column helper arguments
+ # @example
+ # date_column(:created_at)
+ # date_column(:owner_registered_at) do |model|
+ # model.owner.registered_at
+ # end
+ def self.date_column(name, *args, &block)
  column(name, *args) do |model|
- format(block_given? ? yield : model.send(name)) do |date|
- date.strftime("%m/%d/%Y")
+ format(block ? block.call(model) : model.public_send(name)) do |date|
+ date&.strftime("%m/%d/%Y") || "—".html_safe
  end
  end
  end
+
+ # Makes a boolean YES/NO column
+ # @param name [Symbol] Column name
+ # @param args [Array] Other column helper arguments
+ # @example
+ # boolean_column(:approved)
+ # boolean_column(:has_tasks, preload: :tasks) do |model|
+ # model.tasks.unfinished.any?
+ # end
+ def self.boolean_column(name, *args, &block)
+ column(name, *args) do |model|
+ value = block ? block.call(model) : model.public_send(name)
+ value ? "Yes" : "No"
+ end
+ end
+
 end