Class: Sequel::Model::Errors

Adds an error for the given attribute.

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

[Source]

    # File lib/sequel/model/errors.rb, line 11
11:       def add(att, msg)
12:         fetch(att){self[att] = []} << msg
13:       end

count()

Return the total number of error messages.

  errors.count # => 3

[Source]

    # File lib/sequel/model/errors.rb, line 18
18:       def count
19:         values.inject(0){|m, v| m + v.length}
20:       end

empty?()

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

[Source]

    # File lib/sequel/model/errors.rb, line 23
23:       def empty?
24:         count == 0
25:       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']

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']

[Source]

    # File lib/sequel/model/errors.rb, line 38
38:       def full_messages
39:         inject([]) do |m, kv| 
40:           att, errors = *kv
41:           errors.each {|e| m << (e.is_a?(LiteralString) ? e : "#{Array(att).join(' and ')} #{e}")}
42:           m
43:         end
44:       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 51
51:       def on(att)
52:         if v = fetch(att, nil) and !v.empty?
53:           v
54:         end
55:       end

Methods

Public Instance methods