Module: Clinvoice::GenerateNextTemplate

Defined in:
lib/clinvoice/generate_next_template.rb

Constant Summary collapse

DATE_FORMAT = 
'%m/%d/%Y'
MONTH_YEAR_REGEX = 
/\b(#{Date::ABBR_MONTHNAMES.compact.join('|')}) (\d{4})\b/.freeze

Class Method Summary collapse

Class Method Details

.call(file) ⇒ Object 



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# File 'lib/clinvoice/generate_next_template.rb', line 11

def self.call(file)
  last_data_file = find_last_data_file(file)

  unless last_data_file
    puts "No existing data file found for '#{file}'."
    exit 1
  end

  yaml = YAML.load_file(last_data_file)
  invoice_data = yaml['data']

  invoice_data['id'] += 1
  invoice_data['issue_date'] = increment_date(invoice_data['issue_date']) if invoice_data['issue_date']
  invoice_data['due_date'] = increment_date(invoice_data['due_date']) if invoice_data['due_date']

  invoice_data['items'].each do |item|
    item['description'] = increment_month_year(item['description']) if item['description']
  end

  next_file = "#{file}-#{invoice_data['id']}.yml"
  File.write(next_file, YAML.dump(yaml))

  open_in_editor(next_file)

  next_file
end

.find_last_data_file(file) ⇒ Object 



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# File 'lib/clinvoice/generate_next_template.rb', line 38

def self.find_last_data_file(file)
  Dir["#{file}-*.yml"].max_by { |f| f[/-(\d+)\.yml\z/, 1].to_i }
end

.increment_date(value) ⇒ Object 



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# File 'lib/clinvoice/generate_next_template.rb', line 42

def self.increment_date(value)
  (Date.strptime(value, DATE_FORMAT) >> 1).strftime(DATE_FORMAT)
end

.increment_month_year(text) ⇒ Object 



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# File 'lib/clinvoice/generate_next_template.rb', line 46

def self.increment_month_year(text)
  text.gsub(MONTH_YEAR_REGEX) do
    month_number = Date::ABBR_MONTHNAMES.index(Regexp.last_match(1))
    year = Regexp.last_match(2).to_i
    next_month = Date.new(year, month_number, 1) >> 1

    "#{Date::ABBR_MONTHNAMES[next_month.month]} #{next_month.year}"
  end
end

.open_in_editor(file) ⇒ Object 



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# File 'lib/clinvoice/generate_next_template.rb', line 56

def self.open_in_editor(file)
  editor = ENV['EDITOR']
  return if editor.nil? || editor.empty?

  system(editor, file)
end