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:         if has_key?(k)
14:           super
15:         else
16:           Sequel::Deprecation.deprecate('Model::Errors#[] autovivification', 'Please switch to Model::Errors#add to add errors, and Model::Errors#on to get errors')
17:           self[k] = []
18:         end
19:       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 24
24:       def add(att, msg)
25:         fetch(att){self[att] = []} << msg
26:       end

count()

Return the total number of error messages.

  errors.count # => 3

[Source]

    # File lib/sequel/model/errors.rb, line 31
31:       def count
32:         values.inject(0){|m, v| m + v.length}
33:       end

empty?()

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

[Source]

    # File lib/sequel/model/errors.rb, line 36
36:       def empty?
37:         count == 0
38:       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 45
45:       def full_messages
46:         inject([]) do |m, kv| 
47:           att, errors = *kv
48:           errors.each {|e| m << (e.is_a?(LiteralString) ? e : "#{Array(att).join(ATTRIBUTE_JOINER)} #{e}")}
49:           m
50:         end
51:       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 58
58:       def on(att)
59:         if v = fetch(att, nil) and !v.empty?
60:           v
61:         end
62:       end

Methods

Constants

Public Instance methods