Class: Sequel::Model::Errors

[](k)

Assign an array of messages for each attribute on access. Using this message is discouraged in new code, use add to add new error messages, and on to check existing error messages.

[Source]

    # File lib/sequel/model/errors.rb, line 12
12:       def [](k)
13:         has_key?(k) ? super : (self[k] = [])
14:       end

add(att, msg)

Adds an error for the given attribute.

  errors.add(:name, 'is not valid') if name == 'invalid'

[Source]

    # File lib/sequel/model/errors.rb, line 19
19:       def add(att, msg)
20:         self[att] << msg
21:       end

count()

Return the total number of error messages.

  errors.count # => 3

[Source]

    # File lib/sequel/model/errors.rb, line 26
26:       def count
27:         values.inject(0){|m, v| m + v.length}
28:       end

empty?()

Return true if there are no error messages, false otherwise.

[Source]

    # File lib/sequel/model/errors.rb, line 31
31:       def empty?
32:         count == 0
33:       end

full_messages()

Returns an array of fully-formatted error messages.

  errors.full_messages
  # => ['name is not valid',
  #     'hometown is not at least 2 letters']

[Source]

    # File lib/sequel/model/errors.rb, line 40
40:       def full_messages
41:         inject([]) do |m, kv| 
42:           att, errors = *kv
43:           errors.each {|e| m << "#{Array(att).join(ATTRIBUTE_JOINER)} #{e}"}
44:           m
45:         end
46:       end

on(att)

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

[Source]

    # File lib/sequel/model/errors.rb, line 53
53:       def on(att)
54:         if v = fetch(att, nil) and !v.empty?
55:           v
56:         end
57:       end

Methods

Constants

Public Instance methods