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author | Emilio Tagua <miloops@gmail.com> | 2011-02-15 12:01:04 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2011-02-15 12:01:04 -0300 |
commit | 8ee0b4414890f919594c1a388d987b5b7364a505 (patch) | |
tree | 6c6c6aa19da0eb8066d2f0b9b02b08f2cc696c29 /activerecord/lib/active_record/associations/singular_association.rb | |
parent | 348c0ec7c656b3691aa4e687565d28259ca0f693 (diff) | |
parent | c9f1ab5365319e087e1b010a3f90626a2b8f080b (diff) | |
download | rails-8ee0b4414890f919594c1a388d987b5b7364a505.tar.gz rails-8ee0b4414890f919594c1a388d987b5b7364a505.tar.bz2 rails-8ee0b4414890f919594c1a388d987b5b7364a505.zip |
Merge remote branch 'rails/master' into identity_map
Conflicts:
activerecord/examples/performance.rb
activerecord/lib/active_record/association_preload.rb
activerecord/lib/active_record/associations.rb
activerecord/lib/active_record/associations/association_proxy.rb
activerecord/lib/active_record/autosave_association.rb
activerecord/lib/active_record/base.rb
activerecord/lib/active_record/nested_attributes.rb
activerecord/test/cases/relations_test.rb
Diffstat (limited to 'activerecord/lib/active_record/associations/singular_association.rb')
-rw-r--r-- | activerecord/lib/active_record/associations/singular_association.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/singular_association.rb b/activerecord/lib/active_record/associations/singular_association.rb new file mode 100644 index 0000000000..7f92d9712a --- /dev/null +++ b/activerecord/lib/active_record/associations/singular_association.rb @@ -0,0 +1,45 @@ +module ActiveRecord + module Associations + class SingularAssociation < AssociationProxy #:nodoc: + def create(attributes = {}) + new_record(:create, attributes) + end + + def create!(attributes = {}) + build(attributes).tap { |record| record.save! } + end + + def build(attributes = {}) + new_record(:build, attributes) + end + + private + + def find_target + scoped.first.tap { |record| set_inverse_instance(record) } + end + + # Implemented by subclasses + def replace(record) + raise NotImplementedError + end + + def set_new_record(record) + replace(record) + end + + def check_record(record) + record = record.target if AssociationProxy === record + raise_on_type_mismatch(record) if record + record + end + + def new_record(method, attributes) + attributes = scoped.scope_for_create.merge(attributes || {}) + record = @reflection.send("#{method}_association", attributes) + set_new_record(record) + record + end + end + end +end |