Class: TableStructure::Schema::ColumnBuilderFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/table_structure/schema/column_builder_factory.rb

Instance Method Summary collapse

Constructor Details

#initialize(builders, context: nil, name_prefix: nil, name_suffix: nil) ⇒ ColumnBuilderFactory

Returns a new instance of ColumnBuilderFactory.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/table_structure/schema/column_builder_factory.rb', line 6

def initialize(
  builders,
  context: nil,
  name_prefix: nil,
  name_suffix: nil
)
  @builders = builders
  @context = context

  optional_builders = {}

  if name_prefix
    optional_builders[:_name_prepender_] =
      ::TableStructure::Utils::TypedProc.new(
        types: :header
      ) do |val|
        val.nil? ? val : "#{name_prefix}#{val}"
      end
  end

  if name_suffix
    optional_builders[:_name_appender_] =
      ::TableStructure::Utils::TypedProc.new(
        types: :header
      ) do |val|
        val.nil? ? val : "#{val}#{name_suffix}"
      end
  end

  @builders.merge!(optional_builders) unless optional_builders.empty?
end

Instance Method Details

#create_data_builder ⇒ Object 



56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/table_structure/schema/column_builder_factory.rb', line 56

def create_data_builder
  builders =
    @builders
    .select { |_k, v| v.typed?(:body) }
    .values

  return if builders.empty?

  proc do |row|
    row.values = row.values.map do |value|
      builders.reduce(value) do |value, builder|
        builder.call(value, row.context, @context)
      end
    end
    row
  end
end

#create_header_builder ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/table_structure/schema/column_builder_factory.rb', line 38

def create_header_builder
  builders =
    @builders
    .select { |_k, v| v.typed?(:header) }
    .values

  return if builders.empty?

  proc do |row|
    row.values = row.values.map do |value|
      builders.reduce(value) do |value, builder|
        builder.call(value, row.context, @context)
      end
    end
    row
  end
end