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# frozen_string_literal: true
require 'grape/exceptions/base'
module Grape
module Exceptions
class ValidationErrors < Grape::Exceptions::Base
ERRORS_FORMAT_KEY = 'grape.errors.format'
DEFAULT_ERRORS_FORMAT = '%{attributes} %{message}'
include Enumerable
attr_reader :errors
def initialize(errors: [], headers: {}, **_options)
@errors = {}
errors.each do |validation_error|
@errors[validation_error.params] ||= []
@errors[validation_error.params] << validation_error
end
super message: full_messages.join(', '), status: 400, headers: headers
end
def each
errors.each_pair do |attribute, errors|
errors.each do |error|
yield attribute, error
end
end
end
def as_json(**_opts)
errors.map do |k, v|
{
params: k,
messages: v.map(&:to_s)
}
end
end
def to_json(*_opts)
as_json.to_json
end
def full_messages
messages = map do |attributes, error|
I18n.t(
ERRORS_FORMAT_KEY,
default: DEFAULT_ERRORS_FORMAT,
attributes: translate_attributes(attributes),
message: error.message
)
end
messages.uniq!
messages
end
end
end
end
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