Remove uuidtools but keep validation logic

Author: AlexMooney

Gemfile

@@ -19,7 +19,6 @@ group :development, :test do
   gem 'webmock'
   gem 'zstandard'
   gem 'pry'
-  gem 'uuidtools'
 end
 
 group :docs do

LICENSE-3rdparty.csv

@@ -71,7 +71,6 @@ tomlrb,MIT,Francois Bernier
 typhoeus,MIT,"David Balatero, Paul Dix, Hans Hasselberg"
 tzinfo,MIT,Philip Ross
 unicode-display_width,MIT,Jan Lelis
-uuidtools,Apache-2.0,Bob Aman
 vcr,"Hippocratic-2.1,MIT","Myron Marston, Kurtis Rainbolt-Greene, Olle Jonsson"
 webmock,MIT,Bartosz Blimke
 with_env,MIT,Zach Dennis

datadog_api_client.gemspec

@@ -26,8 +26,6 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency "zeitwerk", "~> 2.6", ">= 2.6.0"
 
-  spec.add_runtime_dependency "uuidtools", "~> 2.1.5", ">= 2.1.5"
-
   spec.add_development_dependency "rspec", "~> 3.6", ">= 3.6.0"
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features|cassettes)/}) }

lib/datadog_api_client/v2/model_base.rb

@@ -124,7 +124,7 @@ def _deserialize(type, value)
         # generic array, return directly
         value
       when :UUID
-        value.to_s
+        value
       when /\AArray<(?<inner_type>.+)>\z/
         inner_type = Regexp.last_match[:inner_type]
         value.map { |v| _deserialize(inner_type, v) }
@@ -255,7 +255,9 @@ def find_and_cast_into_type(klass, data)
       when 'Object' # "type: object"
         return data if data.instance_of?(Hash)
       when 'UUID'
-        return UUIDTools::UUID.parse(data)
+        raise TypeError, "Expected String, got #{uuid_string.class.name} instead." unless uuid_string.kind_of?(String)
+        raise ArgumentError, "Invalid UUID format." unless /\A\h{8}-\h{4}-\h{4}-\h{4}-\h{12}\z/.match?(data)
+        return data
       when /\AArray<(?<sub_type>.+)>\z/ # "type: array"
         if data.instance_of?(Array)
           sub_type = Regexp.last_match[:sub_type]