Module: SwissmedicDiff::Diff

Included in:
SwissmedicDiff
Defined in:
lib/swissmedic-diff.rb

Constant Summary collapse

COLUMNS = 
[ :iksnr, :seqnr, :name_base, :company, 
:index_therapeuticus, :atc_class, :production_science,
:registration_date, :sequence_date, :expiry_date, :ikscd,
:size, :unit, :ikscat, :substances, :composition,
:indication_registration, :indication_sequence ]
FLAGS = 
{
  :new                      =>  'Neues Produkt',
  :name_base                =>  'Namensänderung',
  :ikscat                   =>  'Abgabekategorie',
  :index_therapeuticus      =>  'Index Therapeuticus',
  :indication_registration  =>  'Anwendungsgebiet Präparate',
  :indication_sequence      =>  'Anwendungsgebiet Sequenz',
  :company                  =>  'Zulassungsinhaber',
  :composition              =>  'Zusammensetzung',
  :sequence                 =>  'Packungen',
  :size                     =>  'Packungsgrösse',
  :expiry_date              =>  'Ablaufdatum der Zulassung',
  :registration_date        =>  'Erstzulassungsdatum',
  :sequence_date            =>  'Zulassungsdatum Sequenz',
  :delete                   =>  'Das Produkt wurde gelöscht',
  :replaced_package         =>  'Packungs-Nummer',
  :substances               =>  'Wirkstoffe',
  :production_science       =>  'Heilmittelcode',
  :atc_class                =>  'ATC-Code',
}
GALFORM_P = 
%r{excipiens\s+(ad|pro)\s+(?<galform>((?!\bpro\b)[^.])+)}

Instance Method Summary collapse

Instance Method Details

#_comparable(key, row, idx) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 272

def _comparable(key, row, idx)
  if cell = row[idx]
    case key
    when :registration_date, :expiry_date
      row[idx]
    when :seqnr
      sprintf "%02i", cell.to_i
    else
      cell(row, idx).downcase.gsub(/\s+/, "")
    end
  end
end

#_known_data(latest, known_regs, known_seqs, known_pacs, newest_rows) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 185

def _known_data(latest, known_regs, known_seqs, known_pacs, newest_rows)
  lbook = Spreadsheet.open(latest)
  idx, prr, prp = nil
  multiples = {}
  lbook.worksheet(0).each(3) { |row| 
    group = cell(row, column(:production_science))
    if(group != 'Tierarzneimittel')
      iksnr = cell(row, column(:iksnr))
      seqnr = "%02i" % cell(row, column(:seqnr)).to_i
      pacnr = cell(row, column(:ikscd))
      multiples[iksnr] ||= {}
      if prr == iksnr && prp == pacnr
        idx += 1
      elsif previous = multiples[iksnr][pacnr]
        prr = iksnr
        prp = pacnr
        idx = previous[COLUMNS.size].to_i + 1
      else
        prr = iksnr
        prp = pacnr
        idx = 0
      end
      multiples[iksnr][pacnr] = row
      row[COLUMNS.size] = idx
      known_regs.store [iksnr], row
      known_seqs.store [iksnr, seqnr], row
      known_pacs.store [iksnr, pacnr, idx], row
      (newest_rows[iksnr] ||= {})[pacnr] = row
    end
  }
end

#_sort_by(sort, iksnr, flags) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 255

def _sort_by(sort, iksnr, flags)
  case sort
  when :name
    [name(@diff, iksnr), iksnr]
  when :registration
    iksnr
  else
    weight = if(flags.include? :new)
               0
             elsif(flags.include? :delete)
               1
             else
               2
             end
    [weight, iksnr]
  end
end

#capitalize(string) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 49

def capitalize(string)
  string.split(/\s+/).collect { |word| word.capitalize }.join(' ')
end

#cell(row, pos) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 52

def cell(row, pos)
  if(cell = row[pos])
    cell.to_s
  end
end

#column(key) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 57

def column(key)
  COLUMNS.index(key)
end

#describe(diff, iksnr) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 60

def describe(diff, iksnr)
  sprintf("%s: %s", iksnr, name(diff, iksnr))
end

#describe_flag(diff, iksnr, flag) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 63

def describe_flag(diff, iksnr, flag)
  txt = FLAGS.fetch(flag, flag)
  case flag
  when :sequence
  when :replaced_package
    pairs = diff.newest_rows[iksnr].collect { |rep, row|
      if(old = diff.replacements[row])
        [old, rep].join(' -> ')
      end
    }.compact
    sprintf "%s (%s)", txt, pairs.join(',')
  when :registration_date, :expiry_date
    row = diff.newest_rows[iksnr].sort.first.last
    sprintf "%s (%s)", txt, row[column(flag)].strftime('%d.%m.%Y')
  else
    row = diff.newest_rows[iksnr].sort.first.last
    sprintf "%s (%s)", txt, cell(row, column(flag))
  end
end

#diff(target, latest, ignore = []) ⇒ Object

Comparison two Excel files

target

new file path (String)

latest

old file path (String)

ignore

columns not to be comared (Symbol)

return

differences (OpenStruct class)



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# File 'lib/swissmedic-diff.rb', line 90

def diff(target, latest, ignore = [])
  replacements = {}
  known_regs, known_seqs, known_pacs, newest_rows = known_data(latest)
  @diff = OpenStruct.new
  @diff.news = news = []
  @diff.updates = updates = []
  @diff.changes = changes = {}
  @diff.newest_rows = newest_rows
  Spreadsheet.client_encoding = 'UTF-8'
  tbook = Spreadsheet.open(target)
  sheet = tbook.worksheet(0)
  if new_column = cell(sheet.row(2), COLUMNS.size)
    raise "New column #{COLUMNS.size} (#{new_column})"
  end
  idx, prr, prp = nil
  multiples = {}
  tbook.worksheet(0).each(3) { |row|
    if row.size < COLUMNS.size/2 || row.select{|val| val==nil}.size > COLUMNS.size/2
      raise "Data missing in " + target + "\n(line " + (row.idx+1).to_s + "): " + row.join(", ").to_s + "\n"
    end
    group = cell(row, column(:production_science))
    if(group != 'Tierarzneimittel')
      iksnr = cell(row, column(:iksnr))
      seqnr = "%02i" % cell(row, column(:seqnr)).to_i
      pacnr = cell(row, column(:ikscd))
      (multiples[iksnr] ||= {})
      if prr == iksnr && prp == pacnr
        idx += 1
      elsif previous = multiples[iksnr][pacnr]
        prr = iksnr
        prp = pacnr
        idx = previous[COLUMNS.size].to_i + 1
      else
        prr = iksnr
        prp = pacnr
        idx = 0
      end
      row[COLUMNS.size] = idx
      (newest_rows[iksnr] ||= {})[pacnr] = row
      multiples[iksnr][pacnr] = row
      if(other = known_regs.delete([iksnr]))
        changes[iksnr] ||= []
      else
        changes[iksnr] ||= [:new]
      end
      known_seqs.delete([iksnr, seqnr])
      if(other = known_pacs.delete([iksnr, pacnr, idx]))
        flags = rows_diff(row, other, ignore)
        (changes[iksnr].concat flags).uniq!
        updates.push row unless flags.empty?
      else
        replacements.store [ iksnr, seqnr, cell(row, column(:size)), 
                             cell(row, column(:unit)) ], row
        flags = changes[iksnr]
        flags.push(:sequence).uniq! unless(flags.include? :new)
        news.push row
      end
    end
  }
  @diff.replacements = reps = {}
  known_pacs.each { |(iksnr, pacnr, idx), row|
    key = [iksnr, '%02i' % cell(row, column(:seqnr)).to_i, 
                  cell(row, column(:size)), cell(row, column(:unit))]
    if(rep = replacements[key])
      changes[iksnr].push :replaced_package
      reps.store rep, pacnr
    end
  }
  known_regs.each_key { |(iksnr,_)| changes[iksnr] = [:delete] }
  changes.delete_if { |iksnr, flags| flags.empty? }
  @diff.package_deletions = known_pacs.collect { |key, row|
    ## the keys in known_pacs don't include the sequence number (which
    #  would prevent us from properly recognizing multi-sequence-Packages), 
    #  so we need complete the path to the package now
    key[1,0] = '%02i' % cell(row, column(:seqnr)).to_i
    key
  }
  @diff.sequence_deletions = known_seqs.keys
  @diff.registration_deletions = known_regs.keys
  @diff
end

#format_flags(flags) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 171

def format_flags(flags)
  flags.delete(:revision)
  flags.collect { |flag|
    "- %s\n" % FLAGS.fetch(flag, "Unbekannt (#{flag})")
  }.compact.join
end

#known_data(latest) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 177

def known_data(latest)
  known_regs = {}
  known_seqs = {}
  known_pacs = {}
  newest_rows = {}
  _known_data latest, known_regs, known_seqs, known_pacs, newest_rows
  [known_regs, known_seqs, known_pacs, newest_rows]
end

#name(diff, iksnr) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 216

def name(diff, iksnr)
  rows = diff.newest_rows[iksnr]
  row = rows.sort.first.last
  cell(row, column(:name_base))
end

#rows_diff(row, other, ignore = []) ⇒ Object 



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# File 'lib/swissmedic-diff.rb', line 221

def rows_diff(row, other, ignore = [])
  flags = []
  COLUMNS.each_with_index { |key, idx|
    if(!ignore.include?(key) \
       && _comparable(key, row, idx) != _comparable(key, other, idx))
      flags.push key
    end
  }
  flags
end

#to_s(sort = :group) ⇒ Object

Output the differencies with String

This should be called after diff method.

sort

sort key (:group | :name | :registration)

return

difference (String)



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# File 'lib/swissmedic-diff.rb', line 239

def to_s(sort=:group)
  return '' unless @diff
  @diff.changes.sort_by { |iksnr, flags| 
    _sort_by(sort, iksnr, flags)
  }.collect { |iksnr, flags|
    if(flags.include? :new)
      "+ " << describe(@diff, iksnr)
    elsif(flags.include? :delete)
      "- " << describe(@diff, iksnr)
    else
      "> " << describe(@diff, iksnr) << "; " \
        << flags.collect { |flag| describe_flag(@diff, iksnr, flag) 
      }.compact.join(", ")
    end
  }.join("\n")
end