Allow to specify tags on validations (currently, only SEPA tag is ava…

…ilable)

lib/active_model/validations/iban_validator.rb

@@ -14,8 +14,9 @@ def validate_each(record, attribute, value)
         elsif !IbanBic.valid_check?(value)
           record.errors.add(attribute, :invalid_check)
         elsif !IbanBic.valid_country_check?(value)
-
           record.errors.add(attribute, :invalid_country_check)
+        elsif options[:tags] && !IbanBic.has_tags?(value, options[:tags])
+          record.errors.add(attribute, :invalid_tag)
         end
       end
     end

lib/iban_bic/core.rb

@@ -16,6 +16,10 @@ def parse(iban)
     parts ? ActiveSupport::HashWithIndifferentAccess[parts.names.zip(parts.captures)] : nil
   end
 
+  def has_tags?(iban, searched_tags)
+    (tags[iban[0..1]] & searched_tags).any?
+  end
+
   def calculate_check(iban)
     98 - "#{iban[4..-1]}#{iban[0..3]}".each_char.map do |char|
       case char
@@ -56,6 +60,14 @@ def parser
     ].freeze
   end
 
+  def tags
+    @tags ||= Hash[
+      ::YAML.load_file(configuration.iban_meta_path).map do |country, meta|
+        [country, meta["tags"]&.split&.map(&:to_sym) || []]
+      end
+    ].freeze
+  end
+
   def bics
     configuration.static_bics? ? static_bics : dynamic_bics
   end

lib/iban_bic/models/bic.rb

@@ -2,4 +2,8 @@
 
 class Bic < ActiveRecord::Base
   self.table_name = IbanBic.configuration.bics_table_name
+
+  after_commit do
+    IbanBic.clear_cache
+  end
 end

spec/validators/iban_validator_spec.rb

@@ -7,6 +7,7 @@
   subject(:validatable_model) { validatable.new(iban: iban) }
 
   let(:validatable) do
+    options = validator_options
     Class.new do
       def self.model_name
         ActiveModel::Name.new(self, nil, "Validatable")
@@ -17,12 +18,13 @@ def self.model_name
 
       attribute :iban
 
-      validates :iban, iban: true
+      validates :iban, iban: options
     end
   end
   let(:iban) { "ES#{iban_digits}00030000#{country_digits}0000000000" }
   let(:iban_digits) { "87" }
   let(:country_digits) { "30" }
+  let(:validator_options) { true }
 
   it { is_expected.to be_valid }
 
@@ -46,4 +48,15 @@ def self.model_name
     let(:iban) { "3432" }
     it { is_expected.to be_invalid }
   end
+
+  describe "when tags option is present" do
+    let(:validator_options) { { tags: tags } }
+    let(:tags) { [:sepa] }
+    it { is_expected.to be_valid }
+
+    context "when tag is not present for the country" do
+      let(:tags) { [:other] }
+      it { is_expected.to be_invalid }
+    end
+  end
 end