Gab Social. All are welcome.

app/models/email_domain_block.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: email_domain_blocks
+#
+#  id         :bigint(8)        not null, primary key
+#  domain     :string           default(""), not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+
+class EmailDomainBlock < ApplicationRecord
+  include DomainNormalizable
+
+  validates :domain, presence: true, uniqueness: true
+
+  def self.block?(email)
+    _, domain = email.split('@', 2)
+
+    return true if domain.nil?
+
+    begin
+      domain = TagManager.instance.normalize_domain(domain)
+    rescue Addressable::URI::InvalidURIError
+      return true
+    end
+
+    where(domain: domain).exists?
+  end
+end