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.



7
8
9
 
# 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.



5
6
7
 
# File 'lib/julia/builder.rb', line 5

def collection
  @collection
end

#csv_options ⇒ Object (readonly)

Returns the value of attribute csv_options.



5
6
7
 
# File 'lib/julia/builder.rb', line 5

def csv_options
  @csv_options
end

Class Method Details

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



37
38
39
 
# File 'lib/julia/builder.rb', line 37

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

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



11
12
13
 
# File 'lib/julia/builder.rb', line 11

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

.columns(*args) ⇒ Object 



15
16
17
18
19
 
# File 'lib/julia/builder.rb', line 15

def self.columns(*args)
  args.each do |key|
    column(key)
  end
end

.columns_config ⇒ Object 



21
22
23
 
# File 'lib/julia/builder.rb', line 21

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

Instance Method Details

#build ⇒ Object 



25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/julia/builder.rb', line 25

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

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