|
1
|
|
|
# frozen_string_literal: true |
|
2
|
|
|
|
|
3
|
|
|
require_relative '../../mixin/reflection' |
|
4
|
|
|
require_relative '../../path/segment' |
|
5
|
|
|
|
|
6
|
|
|
module AMA |
|
7
|
|
|
module Entity |
|
8
|
|
|
class Mapper |
|
9
|
|
|
module Handler |
|
10
|
|
|
module Entity |
|
11
|
|
|
# Default attribute enumerator |
|
12
|
|
|
class Enumerator |
|
13
|
|
|
include Mixin::Reflection |
|
14
|
|
|
|
|
15
|
|
|
INSTANCE = new |
|
16
|
|
|
|
|
17
|
|
|
# @param [Object] entity |
|
18
|
|
|
# @param [AMA::Entity::Mapper::Type] type |
|
19
|
|
|
# @param [AMA::Entity::Mapper::Context] _context |
|
20
|
|
|
def enumerate(entity, type, _context) |
|
21
|
|
|
::Enumerator.new do |yielder| |
|
22
|
|
|
type.attributes.values.each do |attribute| |
|
23
|
|
|
next if attribute.virtual |
|
24
|
|
|
next unless object_variable_exists(entity, attribute.name) |
|
25
|
|
|
value = object_variable(entity, attribute.name) |
|
26
|
|
|
segment = Path::Segment.attribute(attribute.name) |
|
27
|
|
|
yielder << [attribute, value, segment] |
|
28
|
|
|
end |
|
29
|
|
|
end |
|
30
|
|
|
end |
|
31
|
|
|
|
|
32
|
|
|
class << self |
|
33
|
|
|
include Mixin::Reflection |
|
34
|
|
|
|
|
35
|
|
|
# @param [Enumerator] implementation |
|
36
|
|
|
# @return [Enumerator] |
|
37
|
|
View Code Duplication |
def wrap(implementation) |
|
|
|
|
|
|
38
|
|
|
handler = handler_factory(implementation, INSTANCE) |
|
39
|
|
|
description = "Safety wrapper for #{implementation}" |
|
40
|
|
|
wrapper = method_object(:enumerate, to_s: description, &handler) |
|
41
|
|
|
wrapper.singleton_class.instance_eval do |
|
42
|
|
|
include Mixin::Errors |
|
43
|
|
|
end |
|
44
|
|
|
wrapper |
|
45
|
|
|
end |
|
46
|
|
|
|
|
47
|
|
|
private |
|
48
|
|
|
|
|
49
|
|
|
# @param [Enumerator] implementation |
|
50
|
|
|
# @param [Enumerator] fallback |
|
51
|
|
|
# @return [Enumerator] |
|
52
|
|
|
def handler_factory(implementation, fallback) |
|
53
|
|
|
lambda do |entity, type, ctx| |
|
54
|
|
|
begin |
|
55
|
|
|
implementation.enumerate(entity, type, ctx) do |e, t, c| |
|
56
|
|
|
fallback.enumerate(e, t, c) |
|
57
|
|
|
end |
|
58
|
|
|
rescue StandardError => e |
|
59
|
|
|
raise_if_internal(e) |
|
60
|
|
|
message = 'Unexpected error from enumerator ' \ |
|
61
|
|
|
"#{implementation}" |
|
62
|
|
|
signature = '(entity, type, context)' |
|
63
|
|
|
options = { parent: e, context: ctx, signature: signature } |
|
64
|
|
|
compliance_error(message, **options) |
|
65
|
|
|
end |
|
66
|
|
|
end |
|
67
|
|
|
end |
|
68
|
|
|
end |
|
69
|
|
|
end |
|
70
|
|
|
end |
|
71
|
|
|
end |
|
72
|
|
|
end |
|
73
|
|
|
end |
|
74
|
|
|
end |
|
75
|
|
|
|
ama-team /
ruby-entity-mapper
Loading history...