Create the mail method from db:seed

As opposed the to sample users and enterprises that ease testing and
development, the mail method is needed for the app to function in any
environment.

db/seeds.rb

@@ -29,3 +29,24 @@ states.each do |state|
     )
   end
 end
+
+create_mail_method
+
+def create_mail_method
+  Spree::MailMethod.destroy_all
+
+  CreateMailMethod.new(
+    environment: Rails.env,
+    preferred_enable_mail_delivery: true,
+    preferred_mail_host: ENV['MAIL_HOST'],
+    preferred_mail_domain: ENV['MAIL_DOMAIN'],
+    preferred_mail_port: ENV['MAIL_PORT'],
+    preferred_mail_auth_type: 'login',
+    preferred_smtp_username: ENV['SMTP_USERNAME'],
+    preferred_smtp_password: ENV['SMTP_PASSWORD'],
+    preferred_secure_connection_type: 'None',
+    preferred_mails_from: "no-reply@#{ENV['MAIL_DOMAIN']}",
+    preferred_mail_bcc: '',
+    preferred_intercept_email: ''
+  ).call
+end

lib/tasks/dev.rake

@@ -13,8 +13,6 @@ namespace :openfoodnetwork do
       country = Spree::Country.find_by_iso(ENV.fetch('DEFAULT_COUNTRY_CODE'))
       state = country.states.first
 
-      create_mail_method
-
       # -- Shipping / payment information
       unless Spree::Zone.find_by_name 'Australia'
         puts "[#{task_name}] Seeding shipping / payment information"
@@ -207,24 +205,5 @@ namespace :openfoodnetwork do
 
       spree_user.confirm!
     end
-
-    def create_mail_method
-      Spree::MailMethod.destroy_all
-
-      CreateMailMethod.new(
-        environment: Rails.env,
-        preferred_enable_mail_delivery: true,
-        preferred_mail_host: ENV['MAIL_HOST'],
-        preferred_mail_domain: ENV['MAIL_DOMAIN'],
-        preferred_mail_port: ENV['MAIL_PORT'],
-        preferred_mail_auth_type: "login",
-        preferred_smtp_username: ENV['SMTP_USERNAME'],
-        preferred_smtp_password: ENV['SMTP_PASSWORD'],
-        preferred_secure_connection_type: "None",
-        preferred_mails_from: "no-reply@#{ENV['MAIL_DOMAIN']}",
-        preferred_mail_bcc: "",
-        preferred_intercept_email: ""
-      ).call
-    end
   end
 end