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Nested attribute accessors should ignore new records with truthy _delete key.

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Signed-off-by: Michael Koziarski <michael@koziarski.com>
[#1861 state:committed]
This commit is contained in:
Pascal Ehlert
2009-02-04 09:24:02 +01:00
committed by Michael Koziarski
parent 4e4f961c11
commit 455a7633db
2 changed files with 20 additions and 2 deletions
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8
activerecord/lib/active_record/nested_attributes.rb
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@@ -86,7 +86,8 @@ module ActiveRecord
# For each key in the hash that starts with the string 'new' a new model
# will be instantiated. When the proc given with the <tt>:reject_if</tt>
# option evaluates to +false+ for a certain attribute hash no record will
# be built for that hash.
# be built for that hash. (Rejecting new records can alternatively be done
# by utilizing the <tt>'_delete'</tt> key. Scroll down for more info.)
#
# params = { 'member' => {
# 'name' => 'joe', 'posts_attributes' => {
@@ -258,11 +259,14 @@ module ActiveRecord
# If a <tt>:reject_if</tt> proc exists for this association, it will be
# called with the attributes as its argument. If the proc returns a truthy
# value, the record is _not_ build.
#
# Alternatively, you can specify the <tt>'_delete'</tt> key to _not_ build
# a record. See should_destroy_nested_attributes_record? for more info.
def build_new_nested_attributes_record(association_name, attributes)
if reject_proc = self.class.reject_new_nested_attributes_procs[association_name]
return if reject_proc.call(attributes)
end
send(association_name).build(attributes)
send(association_name).build(attributes) unless should_destroy_nested_attributes_record?(true, attributes)
end
# Assigns the attributes to the record specified by +id+. Or marks it for