Class: NdrImport::PdfForm::Table

Inherits:
Table
  • Object
show all
Defined in:
lib/ndr_import/pdf_form/table.rb

Overview

This class maintains the state of a PDF form table mapping and encapsulates the logic required to transform a table of data into “records”. Particular attention has been made to use enumerables throughout to help with the transformation of large quantities of data.

Instance Attribute Summary

Attributes inherited from Table

#notifier

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Table

#all_valid_options, #encode_with, #header_valid?, #initialize, #match, #process_line, #transform

Constructor Details

This class inherits a constructor from NdrImport::Table

Class Method Details

.all_valid_options ⇒ Object 



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# File 'lib/ndr_import/pdf_form/table.rb', line 10

def self.all_valid_options
  super - %w[delimiter footer_lines format header_lines]
end

Instance Method Details



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# File 'lib/ndr_import/pdf_form/table.rb', line 14

def footer_lines
  0
end

#format ⇒ Object 



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# File 'lib/ndr_import/pdf_form/table.rb', line 18

def format
  'acroform'
end

#header_lines ⇒ Object 



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# File 'lib/ndr_import/pdf_form/table.rb', line 22

def header_lines
  0
end

#transform_line(line, index) ⇒ Object

This method transforms an incoming line (Hash) of data. Each of the klass masked mappings are applied to the hash values, which are reordered by the mappng definition, yielding the klass and fields for each mapped klass.



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# File 'lib/ndr_import/pdf_form/table.rb', line 29

def transform_line(line, index)
  return enum_for(:transform_line, line, index) unless block_given?

  raise 'NdrImport::PdfForm::Table expects a Hash!' unless line.is_a? Hash

  validate_column_mappings(line)

  masked_mappings.each do |klass, klass_mappings|
    ordered_line = order_values_by_mappings(line, klass_mappings)
    fields       = mapped_line(ordered_line, klass_mappings)
    next if fields[:skip].to_s == 'true'.freeze
    yield(klass, fields, index)
  end
end