Module: BookType

Includes:
RecordType
Defined in:
lib/enhanced_marc/book_type.rb

Overview

Methods for Book records

Instance Method Summary collapse

Instance Method Details

#biography?(human_readable = false) ⇒ Boolean Also known as: is_biography?

Returns:

  • (Boolean) 


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# File 'lib/enhanced_marc/book_type.rb', line 40

def biography?(human_readable = false)
  biog_map = { 'a' => 'Autobiography', 'b' => 'Individual biography',
               'c' => 'Collective biography',
               'd' => 'Contains biographical information' }
  human_readable = biog_map if human_readable
  field_parser({ match: 'BKS', start: 34, end: 1},
               { match: /[at]{1}/, start: 17, end: 1},
               human_readable)
end

#festschrift? ⇒ Boolean Also known as: is_festchrift?

Returns:

  • (Boolean) 


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# File 'lib/enhanced_marc/book_type.rb', line 52

def festschrift?
  return true if self['008'].value[30, 1] == '1' && @record_type == 'BKS'
  @fields.each_by_tag('006') do |fxd_fld|
    if fxd_fld.value[0, 1].match(/[at]{1}/) && fxd_fld.value[13, 1] == '1'
      next
    end
    return true
  end
  false
end

#illustrated?(human_readable = false) ⇒ Boolean Also known as: is_illustrated?

TODO: simplify this method

Returns:

  • (Boolean) 


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# File 'lib/enhanced_marc/book_type.rb', line 66

def illustrated?(human_readable = false)
  ills_map = { 'a' => 'Illustrations', 'b' => 'Maps', 'c' => 'Portraits',
               'd' => 'Charts', 'e' => 'Plans', 'f' => 'Plates',
               'g' => 'Music', 'h' => 'Facsimilies', 'i' => 'Coats of arms',
               'j' => 'Genealogical tables', 'k' => 'Forms', 'l' => 'Samples',
               'm' => 'Phonodisc', 'o' => 'Photographs',
               'p' => 'Illuminations' }

  contents = []
  if record_type == 'BKS'
    self['008'].value[18, 4].split(//).each do |char|
      next if char == ' '
      if human_readable
        contents << ills_map[char] if ills_map[char]
      else
        contents << char
      end
    end
  end
  @fields.each_by_tag('006') do |fxd_fld|
    next unless fxd_fld.value[0, 1] =~ /[at]{1}/
    fxd_fld.value[1, 4].split(//).each do |char|
      next if char == ' '
      if human_readable
        contents << ills_map[char] if ills_map[char]
      else
        contents << char
      end
    end
  end
  return false if contents.empty?
  contents
end

#literary_form(human_readable = false) ⇒ Object 



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# File 'lib/enhanced_marc/book_type.rb', line 28

def literary_form(human_readable = false)
  lit_map = { '0' => 'Non-fiction', '1' => 'Fiction', 'c' => 'Comic',
              'd' => 'Drama', 'e' => 'Essay', 'f' => 'Novel',
              'h' => 'Humor/satire', 'i' => 'Letter', 'j' => 'Short story',
              'm' => 'Mixed', 'p' => 'Poetry', 's' => 'Speech',
              'u' => 'Unknown' }
  human_readable = lit_map if human_readable
  field_parser({ match: 'BKS', start: 33, end: 1 },
               { match: /[at]{1}/, start: 16, end: 1 },
               human_readable)
end

#manuscript? ⇒ Boolean Also known as: is_manuscript?

Checks the leader and any 006 fields to determine if the record is a manuscript. Returns a boolean.

Returns:

  • (Boolean) 


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# File 'lib/enhanced_marc/book_type.rb', line 9

def manuscript?
  return true if @leader[6,1] == 't'
  @fields.each_by_tag('006') do |fxd_fld|
    return true if fxd_fld.value[0, 1] == 't'
  end
  false
end

#set_manuscript(value = false, field = nil) ⇒ Object 



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# File 'lib/enhanced_marc/book_type.rb', line 19

def set_manuscript(value = false, field = nil)
  if field
    return Exception.new('Field is not an 006') unless field.tag == '006'
    field.value[0] = value ? 't' : 'a'
  else
    @leader[6] = value ? 't' : 'a'
  end
end