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
|
# frozen_string_literal: true
module ActiveRecord
module AttributeMethods
module Write
extend ActiveSupport::Concern
included do
attribute_method_suffix "="
end
module ClassMethods # :nodoc:
private
def define_method_attribute=(name)
safe_name = name.unpack1("h*".freeze)
ActiveRecord::AttributeMethods::AttrNames.set_name_cache safe_name, name
sync_with_transaction_state = "sync_with_transaction_state" if name == primary_key
generated_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1
def __temp__#{safe_name}=(value)
name = ::ActiveRecord::AttributeMethods::AttrNames::ATTR_#{safe_name}
#{sync_with_transaction_state}
_write_attribute(name, value)
end
alias_method #{(name + '=').inspect}, :__temp__#{safe_name}=
undef_method :__temp__#{safe_name}=
STR
end
end
# Updates the attribute identified by <tt>attr_name</tt> with the
# specified +value+. Empty strings for Integer and Float columns are
# turned into +nil+.
def write_attribute(attr_name, value)
name = if self.class.attribute_alias?(attr_name)
self.class.attribute_alias(attr_name).to_s
else
attr_name.to_s
end
primary_key = self.class.primary_key
name = primary_key if name == "id".freeze && primary_key
sync_with_transaction_state if name == primary_key
_write_attribute(name, value)
end
# This method exists to avoid the expensive primary_key check internally, without
# breaking compatibility with the write_attribute API
def _write_attribute(attr_name, value) # :nodoc:
@attributes.write_from_user(attr_name.to_s, value)
value
end
private
def write_attribute_without_type_cast(attr_name, value)
name = attr_name.to_s
@attributes.write_cast_value(name, value)
value
end
# Handle *= for method_missing.
def attribute=(attribute_name, value)
_write_attribute(attribute_name, value)
end
end
end
end
|
