add_user_from_email.rb

require 'csv'
require 'net/http'
require 'optparse'
require 'securerandom'

##
# example csv:
# ```
# email;gender;lastname;firstname;role
# you@andme.com;other;Some;Name;admin
# he@some.com;male;Lord;Chancellor;admin
# ```
#
# invocation for single addition:
# `bundle exec rails r <this-script-location> -- -n FirstNameValue -l LastNameValue -e 'EmailValue@lvh.me' -g GenderValue -r RoleValue`
#
# gender is enum[female, male, other]

csv_headers = %i[gender email last_name first_name role]
csv = nil
should_direct_params = false
direct_params = {}

OptionParser.new do |parser|
  parser.on('-n Name', '--first-name Name', 'first name for user creation') do |val|
    direct_params.merge!(first_name: val)
  end

  parser.on('-l Name', '--last-name Name', 'last name for user creation') do |val|
    direct_params.merge!(last_name: val)
  end

  parser.on('-e EmailAddress', '--email EmailAddress', 'email for user creation') do |val|
    direct_params.merge!(email: val)
  end

  parser.on('-g Gender', '--gender Gender', 'gender for user creation') do |val|
    direct_params.merge!(gender: val)
  end

  parser.on('-r Role', '--role Role', 'role for user creation') do |val|
    direct_params.merge!(role: val)
  end

  parser.on('-f FilePath', '--file FilePath', '') do |val|
    csv = val
  end
end.parse!

if csv.nil? && direct_params.size < 5
  $stdout << "missing info: either -f or all other params are required to execute. see --help\n"
  exit 127
end

if csv.is_a?(String) && direct_params.size > 4
  $stdout << "ambigous options: either -f or all other params should be given. see --help\n"
  exit 63
end

if csv.is_a?(String)
  CSV(File.read(csv), col_sep: ';', headers: true).each do |row|
    data_keys = row.to_h.keys.map(&:to_sym)
    raise "malformed csv row (headers were: #{data_keys}) " unless csv_headers - data_keys == []

    raise "already exists: #{row['email']}" if User.where(email: row['email']).any?

    user = User.create!(locale: :en, confirmed_at: Time.now, password: SecureRandom.hex(20), **row.to_h).tap(
      &:send_reset_password_instructions
    )
    
    Person.create!(locale: :en, user: user, **row.to_h.except('role'))

    $stdout << "created `#{row['role']}` User: #{row['email']}\n" 
  end
end

if direct_params.size > 4
  raise "already exists: #{direct_params[:email]}" if User.where(email: direct_params[:email]).any?

  user = User.create!(locale: :en, confirmed_at: Time.now, password: SecureRandom.hex(20), **direct_params).tap(
    &:send_reset_password_instructions
  )
  
  Person.create!(locale: :en, user: user, **direct_params.to_h.except(:role))
end