Fix EmailEmail bug for generator

Author: bradgessler

lib/generators/supermail/email/email_generator.rb

@@ -9,17 +9,22 @@ class EmailGenerator < ::Rails::Generators::NamedBase
     desc "Generate a new email class"
 
     def create_email_file
-      template 'email.rb', "app/emails/#{file_path}_email.rb"
+      template 'email.rb', "app/emails/#{file_path}.rb"
     end
 
     private
 
     def file_path
-      name.underscore
+      "#{base_name.underscore}_email"
     end
 
     def class_name
-      name.camelize
+      "#{base_name.camelize}Email"
+    end
+
+    def base_name
+      stripped = name.to_s.sub(/_?email\z/i, '')
+      stripped.empty? ? name : stripped
     end
   end
 end

lib/generators/supermail/email/templates/email.rb.tt

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class <%= class_name %>Email < ApplicationEmail
+class <%= class_name %> < ApplicationEmail
   def body = <<~PLAIN
 
   PLAIN

spec/generators/email_generator_spec.rb

@@ -31,4 +31,14 @@
       it { is_expected.to match(/def body = <<~PLAIN/) }
     end
   end
+
+  describe "with email suffix provided" do
+    before { run_generator ["WelcomeEmail"] }
+
+    describe "app/emails/welcome_email.rb" do
+      subject { File.read(EMAIL_DESTINATION_PATH.join("app/emails/welcome_email.rb")) }
+      it { is_expected.to match(/class WelcomeEmail < ApplicationEmail/) }
+      it { is_expected.not_to match(/WelcomeEmailEmail/) }
+    end
+  end
 end