simple script to get user names and import fixed csv file

lib/tasks/single_use/users.rake

@@ -0,0 +1,49 @@
+namespace :users do
+ desc "Updates users first and last name based on the name"
+ task generate_first_last_name: :environment do
+ puts "ID, Name, First Name, Last Name"
+ User.unscoped.find_each do |user|
+ # the name could have multiple words let's assume that first name is normally the first word and the rest is the last name
+ # but there could be some exceptions
+ # if there are any uppercased words in the name then those will create the last name
+ # and the rest will be the first name
+ first_name = ""
+ last_name = ""
+ words = user.name.split
+ any_upcased = words.any? { |word| word == word.upcase }
+ words.each do |word|
+ if any_upcased
+ first_name += word + " " if word != word.upcase
+ last_name += word + " " if word == word.upcase
+ elsif word == words.first
+ first_name += word + " "
+ else
+ last_name += word + " "
+ end
+ end
+ puts "#{user.id}, #{user.name}, #{first_name}, #{last_name}"
+ end
+ end
+
+ task import_names: :environment do
+ abort "Please provide a file name with the FILE environment variable" unless ENV["FILE"]
+ file_name = ENV["FILE"]
+
+ strip_converter = ->(field) { field&.strip }
+ user_names = CSV.parse(
+ File.read(file_name),
+ headers: true,
+ converters: [strip_converter],
+ header_converters: :symbol
+ )
+ user_names.each do |user_name|
+ user = User.find_by(id: user_name[:id])
+ next unless user
+
+ user.update!(
+ first_name: user_name[:first_name],
+ last_name: user_name[:last_name]
+ )
+ end
+ end
+end