Sha256: c1a33e7ea573974375ce143732887c46e9d65a2d2270d3fc9b45434f993e726b
Contents?: true
Size: 1.69 KB
Versions: 25
Compression:
Stored size: 1.69 KB
Contents
# frozen-string-literal: true
module Sequel
class Model
# Errors represents validation errors, a simple hash subclass
# with a few convenience methods.
class Errors < ::Hash
ATTRIBUTE_JOINER = ' and '.freeze
# Adds an error for the given attribute.
#
# errors.add(:name, 'is not valid') if name == 'invalid'
def add(att, msg)
fetch(att){self[att] = []} << msg
end
# Return the total number of error messages.
#
# errors.count # => 3
def count
values.inject(0){|m, v| m + v.length}
end
# Return true if there are no error messages, false otherwise.
def empty?
count == 0
end
# Returns an array of fully-formatted error messages.
#
# errors.full_messages
# # => ['name is not valid',
# # 'hometown is not at least 2 letters']
#
# If the message is a Sequel::LiteralString, it will be used literally, without the column name:
#
# errors.add(:name, Sequel.lit("Album name is not valid"))
# errors.full_messages
# # => ['Album name is not valid']
def full_messages
inject([]) do |m, kv|
att, errors = *kv
errors.each {|e| m << (e.is_a?(LiteralString) ? e : "#{Array(att).join(ATTRIBUTE_JOINER)} #{e}")}
m
end
end
# Returns the array of errors for the given attribute, or nil
# if there are no errors for the attribute.
#
# errors.on(:name) # => ['name is not valid']
# errors.on(:id) # => nil
def on(att)
if v = fetch(att, nil) and !v.empty?
v
end
end
end
end
end
Version data entries
25 entries across 23 versions & 2 rubygems