File: errors.rb

package info (click to toggle)
rails 2%3A7.2.2.1%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 43,352 kB
  • sloc: ruby: 349,799; javascript: 30,703; yacc: 46; sql: 43; sh: 29; makefile: 27
file content (265 lines) | stat: -rw-r--r-- 11,644 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
# frozen_string_literal: true

module ActiveRecord
  class AssociationNotFoundError < ConfigurationError # :nodoc:
    attr_reader :record, :association_name

    def initialize(record = nil, association_name = nil)
      @record           = record
      @association_name = association_name
      if record && association_name
        super("Association named '#{association_name}' was not found on #{record.class.name}; perhaps you misspelled it?")
      else
        super("Association was not found.")
      end
    end

    if defined?(DidYouMean::Correctable) && defined?(DidYouMean::SpellChecker)
      include DidYouMean::Correctable

      def corrections
        if record && association_name
          @corrections ||= begin
            maybe_these = record.class.reflections.keys
            DidYouMean::SpellChecker.new(dictionary: maybe_these).correct(association_name)
          end
        else
          []
        end
      end
    end
  end

  class InverseOfAssociationNotFoundError < ActiveRecordError # :nodoc:
    attr_reader :reflection, :associated_class

    def initialize(reflection = nil, associated_class = nil)
      if reflection
        @reflection = reflection
        @associated_class = associated_class.nil? ? reflection.klass : associated_class
        super("Could not find the inverse association for #{reflection.name} (#{reflection.options[:inverse_of].inspect} in #{associated_class.nil? ? reflection.class_name : associated_class.name})")
      else
        super("Could not find the inverse association.")
      end
    end

    if defined?(DidYouMean::Correctable) && defined?(DidYouMean::SpellChecker)
      include DidYouMean::Correctable

      def corrections
        if reflection && associated_class
          @corrections ||= begin
            maybe_these = associated_class.reflections.keys
            DidYouMean::SpellChecker.new(dictionary: maybe_these).correct(reflection.options[:inverse_of].to_s)
          end
        else
          []
        end
      end
    end
  end

  class InverseOfAssociationRecursiveError < ActiveRecordError # :nodoc:
    attr_reader :reflection
    def initialize(reflection = nil)
      if reflection
        @reflection = reflection
        super("Inverse association #{reflection.name} (#{reflection.options[:inverse_of].inspect} in #{reflection.class_name}) is recursive.")
      else
        super("Inverse association is recursive.")
      end
    end
  end

  class HasManyThroughAssociationNotFoundError < ActiveRecordError # :nodoc:
    attr_reader :owner_class, :reflection

    def initialize(owner_class = nil, reflection = nil)
      if owner_class && reflection
        @owner_class = owner_class
        @reflection = reflection
        super("Could not find the association #{reflection.options[:through].inspect} in model #{owner_class.name}")
      else
        super("Could not find the association.")
      end
    end

    if defined?(DidYouMean::Correctable) && defined?(DidYouMean::SpellChecker)
      include DidYouMean::Correctable

      def corrections
        if owner_class && reflection
          @corrections ||= begin
            maybe_these = owner_class.reflections.keys
            maybe_these -= [reflection.name.to_s] # remove failing reflection
            DidYouMean::SpellChecker.new(dictionary: maybe_these).correct(reflection.options[:through].to_s)
          end
        else
          []
        end
      end
    end
  end

  class HasManyThroughAssociationPolymorphicSourceError < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil, source_reflection = nil)
      if owner_class_name && reflection && source_reflection
        super("Cannot have a has_many :through association '#{owner_class_name}##{reflection.name}' on the polymorphic object '#{source_reflection.class_name}##{source_reflection.name}' without 'source_type'. Try adding 'source_type: \"#{reflection.name.to_s.classify}\"' to 'has_many :through' definition.")
      else
        super("Cannot have a has_many :through association.")
      end
    end
  end

  class HasManyThroughAssociationPolymorphicThroughError < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil)
      if owner_class_name && reflection
        super("Cannot have a has_many :through association '#{owner_class_name}##{reflection.name}' which goes through the polymorphic association '#{owner_class_name}##{reflection.through_reflection.name}'.")
      else
        super("Cannot have a has_many :through association.")
      end
    end
  end

  class HasManyThroughAssociationPointlessSourceTypeError < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil, source_reflection = nil)
      if owner_class_name && reflection && source_reflection
        super("Cannot have a has_many :through association '#{owner_class_name}##{reflection.name}' with a :source_type option if the '#{reflection.through_reflection.class_name}##{source_reflection.name}' is not polymorphic. Try removing :source_type on your association.")
      else
        super("Cannot have a has_many :through association.")
      end
    end
  end

  class HasOneThroughCantAssociateThroughCollection < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil, through_reflection = nil)
      if owner_class_name && reflection && through_reflection
        super("Cannot have a has_one :through association '#{owner_class_name}##{reflection.name}' where the :through association '#{owner_class_name}##{through_reflection.name}' is a collection. Specify a has_one or belongs_to association in the :through option instead.")
      else
        super("Cannot have a has_one :through association.")
      end
    end
  end

  class HasOneAssociationPolymorphicThroughError < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil)
      if owner_class_name && reflection
        super("Cannot have a has_one :through association '#{owner_class_name}##{reflection.name}' which goes through the polymorphic association '#{owner_class_name}##{reflection.through_reflection.name}'.")
      else
        super("Cannot have a has_one :through association.")
      end
    end
  end

  class HasManyThroughSourceAssociationNotFoundError < ActiveRecordError # :nodoc:
    def initialize(reflection = nil)
      if reflection
        through_reflection      = reflection.through_reflection
        source_reflection_names = reflection.source_reflection_names
        source_associations     = reflection.through_reflection.klass._reflections.keys
        super("Could not find the source association(s) #{source_reflection_names.collect(&:inspect).to_sentence(two_words_connector: ' or ', last_word_connector: ', or ')} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence(two_words_connector: ' or ', last_word_connector: ', or ')}?")
      else
        super("Could not find the source association(s).")
      end
    end
  end

  class HasManyThroughOrderError < ActiveRecordError # :nodoc:
    def initialize(owner_class_name = nil, reflection = nil, through_reflection = nil)
      if owner_class_name && reflection && through_reflection
        super("Cannot have a has_many :through association '#{owner_class_name}##{reflection.name}' which goes through '#{owner_class_name}##{through_reflection.name}' before the through association is defined.")
      else
        super("Cannot have a has_many :through association before the through association is defined.")
      end
    end
  end

  class ThroughCantAssociateThroughHasOneOrManyReflection < ActiveRecordError # :nodoc:
    def initialize(owner = nil, reflection = nil)
      if owner && reflection
        super("Cannot modify association '#{owner.class.name}##{reflection.name}' because the source reflection class '#{reflection.source_reflection.class_name}' is associated to '#{reflection.through_reflection.class_name}' via :#{reflection.source_reflection.macro}.")
      else
        super("Cannot modify association.")
      end
    end
  end

  class CompositePrimaryKeyMismatchError < ActiveRecordError # :nodoc:
    attr_reader :reflection

    def initialize(reflection = nil)
      if reflection
        if reflection.has_one? || reflection.collection?
          super("Association #{reflection.active_record}##{reflection.name} primary key #{reflection.active_record_primary_key} doesn't match with foreign key #{reflection.foreign_key}. Please specify query_constraints, or primary_key and foreign_key values.")
        else
          super("Association #{reflection.active_record}##{reflection.name} primary key #{reflection.association_primary_key} doesn't match with foreign key #{reflection.foreign_key}. Please specify query_constraints, or primary_key and foreign_key values.")
        end
      else
        super("Association primary key doesn't match with foreign key.")
      end
    end
  end

  class AmbiguousSourceReflectionForThroughAssociation < ActiveRecordError # :nodoc:
    def initialize(klass, macro, association_name, options, possible_sources)
      example_options = options.dup
      example_options[:source] = possible_sources.first

      super("Ambiguous source reflection for through association. Please " \
            "specify a :source directive on your declaration like:\n" \
            "\n" \
            "  class #{klass} < ActiveRecord::Base\n" \
            "    #{macro} :#{association_name}, #{example_options}\n" \
            "  end"
           )
    end
  end

  class HasManyThroughCantAssociateThroughHasOneOrManyReflection < ThroughCantAssociateThroughHasOneOrManyReflection # :nodoc:
  end

  class HasOneThroughCantAssociateThroughHasOneOrManyReflection < ThroughCantAssociateThroughHasOneOrManyReflection # :nodoc:
  end

  class ThroughNestedAssociationsAreReadonly < ActiveRecordError # :nodoc:
    def initialize(owner = nil, reflection = nil)
      if owner && reflection
        super("Cannot modify association '#{owner.class.name}##{reflection.name}' because it goes through more than one other association.")
      else
        super("Through nested associations are read-only.")
      end
    end
  end

  class HasManyThroughNestedAssociationsAreReadonly < ThroughNestedAssociationsAreReadonly # :nodoc:
  end

  class HasOneThroughNestedAssociationsAreReadonly < ThroughNestedAssociationsAreReadonly # :nodoc:
  end

  # This error is raised when trying to eager load a polymorphic association using a JOIN.
  # Eager loading polymorphic associations is only possible with
  # {ActiveRecord::Relation#preload}[rdoc-ref:QueryMethods#preload].
  class EagerLoadPolymorphicError < ActiveRecordError
    def initialize(reflection = nil)
      if reflection
        super("Cannot eagerly load the polymorphic association #{reflection.name.inspect}")
      else
        super("Eager load polymorphic error.")
      end
    end
  end

  # This error is raised when trying to destroy a parent instance in N:1 or 1:1 associations
  # (has_many, has_one) when there is at least 1 child associated instance.
  # ex: if @project.tasks.size > 0, DeleteRestrictionError will be raised when trying to destroy @project
  class DeleteRestrictionError < ActiveRecordError # :nodoc:
    def initialize(name = nil)
      if name
        super("Cannot delete record because of dependent #{name}")
      else
        super("Delete restriction error.")
      end
    end
  end
end