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Contents
# frozen_string_literal: true
require 'active_support/core_ext/hash'
module MiniDefender::ValidationHelpers
extend ActiveSupport::Concern
def validation_errors
@validation_errors ||= flash[:validation_errors] || {}
end
def has_validation_errors?
validation_errors.length > 0
end
def old_values
@old_values ||= flash[:old_values] || {}
end
def old_value(field, default = nil)
# Transform Rails foo[bar] convention to foo.bar
field = field.gsub('[', '.').gsub(']', '')
field = field.split('.')
result = old_values.deep_stringify_keys
while (key = field.shift)
key = key.to_i if Array === result
if Hash === result[key] || Array === result[key] || field.empty?
result = result[key]
end
end
result || default
end
def field_errors(field)
# Transform Rails foo[bar] convention to foo.bar
field = field.gsub('[', '.').gsub(']', '')
validation_errors[field] || []
end
def render_field_errors(field)
unless block_given?
raise ArgumentError, 'Expected a block.'
end
field_errors(field).each { |e| yield(e) }
end
end
Version data entries
22 entries across 22 versions & 1 rubygems