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Instead of checking for `macro == :has_one` throughout the
codebase we can create a `has_one?` method to match the `belongs_to?`,
`polymorphic?` and other methods.
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Integration tests are inside protected_attributes test suite.
Fixes #15496
Fixes rails/protected_attributes#35
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Reflection has a `belongs_to?` method. Instead of checking for
`macro == :belongs_to` throughout the source reuse existing
method.
I also bumped `foreign_key_present?` method onto on line because
the `belongs_to?` makes it shorter than other longer lines in
the same class.
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Rename delete_all_records because this name better describes
what the method is doing. We can then remove :all from the
hm:t version and pull out the unoptimized call to load_target
in delete_records and pass it directly.
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Refactor by creating two methods delete_all_records and delete_records
to be called by delete_all and delete (or destroy) respectively.
This reduces the number of conditionals required to handle _how_
records get deleted.
The new delete_count method handles how scope is applied to which
delete action.
A delete_all_records method also has to be called in has_many_through
association because of how the methods are chained. This will be
refactored later on.
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HABTM should fall back to using the normal CollectionAssociation's size calculation if the collection is not cached or loaded.
This addresses both #14913 and #14914 for master.
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Rewrite to avoid 'we'/'you', add missing period, and keep lines at 80 chars. Cheers :)
Improve readability with help from @senny
[ci skip]
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Fix insertion of records for hmt association with scope
Conflicts:
activerecord/CHANGELOG.md
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`before_add` callbacks are fired before the record is saved on
`has_and_belongs_to_many` assocations *and* on `has_many :through`
associations. Before this change, `before_add` callbacks would be fired
before the record was saved on `has_and_belongs_to_many` associations, but
*not* on `has_many :through` associations.
Fixes #14144
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when destroying a record on a has_many :through association.
:destroy method has own counter_cache callbacks.
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This commit fixes reported issue #7630 in which counter
caches were not being updated properly when replacing
has_many_through relationships
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Integrate strong_parameters in Rails 4
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If assigning to a has_many :through collection against an unsaved
object using the collection=[<array_of_items>] syntax, the join models
were not properly created, previously.
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It has been moved to active_record_deprecated_finders.
Use #to_a instead.
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Bug #6289
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If a record is removed from a has_many :through, all of the join records
relating to that record should also be removed from the through
association's target.
(Previously the records were removed in the database, but only one was
removed from the in-memory target array.)
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Fixes #3425.
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issue where the collection proxies were not consistent
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Fixes #1360.
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security options (:as and :without_protection) in build, create and create! methods.
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Conflicts:
activerecord/CHANGELOG
activerecord/lib/active_record/association_preload.rb
activerecord/lib/active_record/associations.rb
activerecord/lib/active_record/associations/class_methods/join_dependency.rb
activerecord/lib/active_record/associations/class_methods/join_dependency/join_association.rb
activerecord/lib/active_record/associations/has_many_association.rb
activerecord/lib/active_record/associations/has_many_through_association.rb
activerecord/lib/active_record/associations/has_one_association.rb
activerecord/lib/active_record/associations/has_one_through_association.rb
activerecord/lib/active_record/associations/through_association_scope.rb
activerecord/lib/active_record/reflection.rb
activerecord/test/cases/associations/has_many_through_associations_test.rb
activerecord/test/cases/associations/has_one_through_associations_test.rb
activerecord/test/cases/reflection_test.rb
activerecord/test/cases/relations_test.rb
activerecord/test/fixtures/memberships.yml
activerecord/test/models/categorization.rb
activerecord/test/models/category.rb
activerecord/test/models/member.rb
activerecord/test/models/reference.rb
activerecord/test/models/tagging.rb
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accessing the instance variables
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manages the association, and a CollectionProxy class which is *only* a proxy. Singular associations no longer have a proxy. See CHANGELOG for more.
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the join record is automatically saved too. This requires the :inverse_of option to be set on the source association in the join model. See the CHANGELOG for details. [#4329 state:resolved]
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be more consistent with each other, and to stop passing blocks around, thus making the execution easier to follow.
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state:resolved]. Also fixed a bunch of other counter cache bugs in the process, as once I fixed this one others started appearing like nobody's business.
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historical and practical reasons, :delete_all is the default deletion strategy employed by association.delete(*records), despite the fact that the default strategy is :nullify for regular has_many. Also, this only works at all if the source reflection is a belongs_to. For other situations, you should directly modify the through association.
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records in the join table. This is to make the destroy method more consistent across the different types of associations. For more details see the CHANGELOG entry.
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removing test_polymorphic_has_many_going_through_join_model_with_disabled_include, since this specifies different behaviour for an association than for a regular scope. It seems reasonable to expect scopes and association proxies to behave in roughly the same way rather than having subtle differences.
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state:resolved]
This required changing the code to keep the association proxy for a belongs_to around, despite its target being nil. Which in turn required various changes to the way that stale target checking is handled, in order to support various edge cases (loaded target is nil then foreign key added, foreign key is changed and then changed back, etc). A side effect is that the code is nicer and more succinct.
Note that I am removing test_no_unexpected_aliasing since that is basically checking that the proxy for a belongs_to *does* change, which is the exact opposite of the intention of this commit. Also adding various tests for various edge cases and related things.
Phew, long commit message!
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