Class: Julia::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/julia/builder.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection, csv_options = Hash.new) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/julia/builder.rb', line 7

def initialize(collection, csv_options = Hash.new)
  @collection, @csv_options = collection, csv_options
end

Instance Attribute Details

#collection ⇒ Object (readonly)

Returns the value of attribute collection.



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# File 'lib/julia/builder.rb', line 5

def collection
  @collection
end

#csv_options ⇒ Object (readonly)

Returns the value of attribute csv_options.



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# File 'lib/julia/builder.rb', line 5

def csv_options
  @csv_options
end

Class Method Details

.build(collection, csv_options = Hash.new) ⇒ Object 



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# File 'lib/julia/builder.rb', line 31

def self.build(collection, csv_options = Hash.new)
  new(collection, csv_options).build
end

.column(keyname, action = nil, &block) ⇒ Object 



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# File 'lib/julia/builder.rb', line 11

def self.column(keyname, action = nil, &block)
  self.columns[keyname] = Action.new(keyname, action, &block)
end

.columns ⇒ Object 



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# File 'lib/julia/builder.rb', line 15

def self.columns
  @columns ||= {}
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/julia/builder.rb', line 19

def build
  CSV.generate(csv_options) do |csv|
    csv << columns.keys

    collection.each do |record|
      csv << columns.values.map do |action|
        action.get_value(record)
      end
    end
  end
end