From 4307a87ed57a77ac622855afd337b211e1500375 Mon Sep 17 00:00:00 2001
From: Tomasz Subik <tsubik@gmail.com>
Date: Wed, 19 Jun 2024 13:42:03 +0200
Subject: [PATCH] simple script to get user names and import fixed csv file

---
 lib/tasks/single_use/users.rake | 49 +++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 lib/tasks/single_use/users.rake

diff --git a/lib/tasks/single_use/users.rake b/lib/tasks/single_use/users.rake
new file mode 100644
index 00000000..ffd38fbe
--- /dev/null
+++ b/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