class VaccinationRecordTechnicalFieldsUpdater

Service object to update technically functional fields on a vaccination record Extracted so it can be reused by CLI commands like ‘vaccination-records edit` and `vaccination-records bulk-edit`.

Constants

ALLOWED_ATTRIBUTES
BOOLEAN_COLUMNS
DATETIME_COLUMNS
INTEGER_COLUMNS

Public Class Methods

call (...)

Source

# File app/lib/vaccination_record_technical_fields_updater.rb, line 61
  def self.call(...) = new(...).call

  private_class_method :new

  private

  attr_reader :record, :updates

  def coerce_value(key, value)
    # nil handling
    return nil if value.nil?
    return nil if value.is_a?(String) && value.strip.casecmp("nil").zero?

    # datetime
    if DATETIME_COLUMNS.include?(key)
      if value.respond_to?(:in_time_zone)
        return value
      elsif value.is_a?(String)
        t = Time.zone.parse(value)
        raise ArgumentError, "invalid datetime '#{value}'" if t.nil?
        return t
      else
        raise ArgumentError, "invalid datetime '#{value.inspect}'"
      end
    end

    # boolean
    if BOOLEAN_COLUMNS.include?(key)
      return value if [true, false].include?(value)
      return to_bool(value) if value.is_a?(String)
      raise ArgumentError, "invalid boolean '#{value.inspect}'"
    end

    # integer
    if INTEGER_COLUMNS.include?(key)
      return value.to_i if value.is_a?(Integer)
      return Integer(value) if value.is_a?(String) || value.is_a?(Numeric)
      raise ArgumentError, "invalid integer '#{value.inspect}'"
    end

    # default: pass through as-is (e.g. string)
    value
  end

  def to_bool(val)
    case val.strip.downcase
    when "true", "1", "yes", "y"
      true
    when "false", "0", "no", "n"
      false
    else
      raise ArgumentError, "invalid boolean '#{val}'"
    end
  end
end

new (vaccination_record:, updates:)

Source

# File app/lib/vaccination_record_technical_fields_updater.rb, line 35
def initialize(vaccination_record:, updates:)
  @record = vaccination_record
  @updates = updates
end

Public Instance Methods

call ()

Source

# File app/lib/vaccination_record_technical_fields_updater.rb, line 40
def call
  unless updates.is_a?(Hash)
    raise "updates must be a Hash of attribute=>value"
  end

  parsed_updates = {}

  updates.each do |raw_key, raw_value|
    key = raw_key.to_s

    unless ALLOWED_ATTRIBUTES.include?(key)
      raise "Attribute '#{key}' is not editable by this tool"
    end

    parsed_updates[key] = coerce_value(key, raw_value)
  end

  record.assign_attributes(parsed_updates)
  record.save!(touch: false)
end

coerce_value (key, value)

Source

# File app/lib/vaccination_record_technical_fields_updater.rb, line 69
def coerce_value(key, value)
  # nil handling
  return nil if value.nil?
  return nil if value.is_a?(String) && value.strip.casecmp("nil").zero?

  # datetime
  if DATETIME_COLUMNS.include?(key)
    if value.respond_to?(:in_time_zone)
      return value
    elsif value.is_a?(String)
      t = Time.zone.parse(value)
      raise ArgumentError, "invalid datetime '#{value}'" if t.nil?
      return t
    else
      raise ArgumentError, "invalid datetime '#{value.inspect}'"
    end
  end

  # boolean
  if BOOLEAN_COLUMNS.include?(key)
    return value if [true, false].include?(value)
    return to_bool(value) if value.is_a?(String)
    raise ArgumentError, "invalid boolean '#{value.inspect}'"
  end

  # integer
  if INTEGER_COLUMNS.include?(key)
    return value.to_i if value.is_a?(Integer)
    return Integer(value) if value.is_a?(String) || value.is_a?(Numeric)
    raise ArgumentError, "invalid integer '#{value.inspect}'"
  end

  # default: pass through as-is (e.g. string)
  value
end

to_bool (val)

Source

# File app/lib/vaccination_record_technical_fields_updater.rb, line 105
def to_bool(val)
  case val.strip.downcase
  when "true", "1", "yes", "y"
    true
  when "false", "0", "no", "n"
    false
  else
    raise ArgumentError, "invalid boolean '#{val}'"
  end
end