class Julia::Builder

Attributes

collection[R]
csv_options[R]

Public Class Methods

build(collection, csv_options = Hash.new) click to toggle source
# File lib/julia/builder.rb, line 42
def self.build(collection, csv_options = Hash.new)
  new(collection, csv_options).build
end
column(keyname, action = nil, &block) click to toggle source
# File lib/julia/builder.rb, line 18
def self.column(keyname, action = nil, &block)
  columns_config[keyname] = Action.new(keyname, action, &block)
end
columns(*args) click to toggle source
# File lib/julia/builder.rb, line 22
def self.columns(*args)
  args.each do |key|
    column(key)
  end
end
columns_config() click to toggle source
# File lib/julia/builder.rb, line 28
def self.columns_config
  @columns_config ||= {}
end
new(collection, csv_options = Hash.new) click to toggle source
# File lib/julia/builder.rb, line 7
def initialize(collection, csv_options = Hash.new)
  @collection, @csv_options = collection, default_options.merge(csv_options)
end

Public Instance Methods

build() click to toggle source
# File lib/julia/builder.rb, line 32
def build
  CSV.generate(**csv_options) do |csv|
    collection.each do |record|
      csv << columns_config.values.map do |action|
        action.get_value(record, self)
      end
    end
  end
end
default_options() click to toggle source
# File lib/julia/builder.rb, line 11
def default_options
  {
    headers: columns_config.keys,
    write_headers: true
  }
end

Protected Instance Methods

columns_config() click to toggle source
# File lib/julia/builder.rb, line 48
def columns_config
  self.class.columns_config
end