Propagate translation options on nested error to parent when validate…

…s_associated

lib/caprese/error.rb

@@ -1,10 +1,7 @@
 # TODO: Remove in favor of Rails 5 error details and dynamically setting i18n_scope
 module Caprese
   class Error < StandardError
-    attr_reader :field
-    attr_reader :code
-
-    attr_reader :header
+    attr_reader :field, :code, :header
 
     # Initializes a new error
     #
@@ -103,15 +100,16 @@ def as_json
       }
     end
 
-    private
-
     # Adds field and capitalized Field title to the translation params for every error
+    # and returns them
     #
     # @return [Hash] the full translation params of the error
     def t
       @t.merge(field: @field, field_title: @field.to_s.titleize)
     end
 
+    private
+
     # Checks whether or not a translation exists
     #
     # @param [String] key the I18n translation key

lib/caprese/record/associated_validator.rb

@@ -18,7 +18,7 @@ def validate_each(record, attribute, value)
         Array(value).reject { |r| r.marked_for_destruction? || r.valid? }.each do |invalid_record|
           invalid_record.errors.to_a.each do |error|
             field_name = error.field ? "#{attribute}.#{error.field}" : attribute
-            record.errors.add(field_name, error.code, options.merge(value: invalid_record))
+            record.errors.add(field_name, error.code, { t: error.t }.merge(value: invalid_record))
           end
         end
       end

spec/dummy/app/models/rating.rb

@@ -1,5 +1,13 @@
 class Rating < ApplicationRecord
   belongs_to :comment
 
-  validates_presence_of :value
+  validate :value_is_correct
+
+  private
+
+  def value_is_correct
+    return if value
+
+    errors.add(:value, :invalid, t: { custom_val: '123' })
+  end
 end

spec/dummy/config/locales/en.yml

@@ -21,3 +21,11 @@
 
 en:
   hello: "Hello world"
+  api:
+    v1:
+      errors:
+        models:
+          comment:
+            rating:
+              value:
+                invalid: Test value %{custom_val}

spec/persistence_spec.rb

@@ -228,6 +228,10 @@
           it 'correctly points to the attribute that caused the error' do
             expect(json['errors'][0]['source']['pointer']).to eq('/data/relationships/rating/data/attributes/value')
           end
+
+          it 'propagates nested error options' do
+            expect(json['errors'][0]['detail']).to eq(I18n.t('api.v1.errors.models.comment.rating.value.invalid', custom_val: '123'))
+          end
         end
       end
     end