Module: Aduki

Defined in:
lib/aduki.rb,
lib/aduki/version.rb

Defined Under Namespace

Modules: ClassMethods, Initializer Classes: AttrFinder, Initializable, RecursiveHash

Constant Summary collapse

VERSION = 
"0.2.7"

Class Method Summary collapse

Class Method Details

.apply_array_attribute(klass, object, getter, value) ⇒ Object 



104
105
106
107
108
109
110
 
# File 'lib/aduki.rb', line 104

def self.apply_array_attribute klass, object, getter, value
  setter_method = "#{getter}=".to_sym
  return unless object.respond_to? setter_method
  array = object.send(getter) || []
  array << to_value(klass, getter, value)
  object.send(setter_method, array)
end

.apply_attribute(klass, object, setter, value) ⇒ Object 



134
135
136
137
138
139
140
141
 
# File 'lib/aduki.rb', line 134

def self.apply_attribute klass, object, setter, value
  if setter.match(/\[\d+\]/)
    getter = setter.gsub(/\[\d+\]/, '').to_sym
    apply_array_attribute klass, object, getter, value
  else
    apply_single_attribute klass, object, setter, value
  end
end

.apply_attributes(object, attrs) ⇒ Object 



143
144
145
146
147
148
149
150
151
 
# File 'lib/aduki.rb', line 143

def self.apply_attributes object, attrs
  attrs = nil if attrs == ''
  setters = split_attributes(attrs || { })
  klass = object.class

  setters.sort.each do |setter, value|
    apply_attribute klass, object, setter, value
  end
end

.apply_new_single_attribute(klass, object, setter, value) ⇒ Object 



112
113
114
115
116
117
 
# File 'lib/aduki.rb', line 112

def self.apply_new_single_attribute klass, object, setter, value
  setter_method = "#{setter}=".to_sym
  return unless object.respond_to? setter_method

  object.send setter_method, to_value(klass, setter, value)
end

.apply_single_attribute(klass, object, setter, value) ⇒ Object 



119
120
121
122
123
124
125
126
127
128
129
130
131
132
 
# File 'lib/aduki.rb', line 119

def self.apply_single_attribute klass, object, setter, value
  if value.is_a?(Hash)
    existing_value = object.send setter if object.respond_to?(setter)
    if existing_value
      if existing_value.is_a? Hash
        value.each { |k, v| existing_value[k] = v }
      else
        Aduki.apply_attributes existing_value, value
      end
      return
    end
  end
  apply_new_single_attribute klass, object, setter, value
end

.install_monkey_patches ⇒ Object 



8
9
10
11
 
# File 'lib/aduki.rb', line 8

def self.install_monkey_patches
  require 'core_ext/array'
  require 'core_ext/hash'
end

.maybe_parse_date(str) ⇒ Object 



39
40
41
42
 
# File 'lib/aduki.rb', line 39

def self.maybe_parse_date str
  return nil if (str == nil) || (str == '')
  Date.parse(str)
end

.split_attributes(attrs) ⇒ Object 



90
91
92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/aduki.rb', line 90

def self.split_attributes attrs
  setters = { }
  attrs.each do |setter, value|
    if setter.match(/\./)
      first, rest = setter.split(/\./, 2)
      setters[first] ||= { }
      setters[first][rest] = value
    else
      setters[setter.to_s] = value
    end
  end
  setters
end

.to_aduki(obj, collector = { }, key = "", join = "") ⇒ Object 



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
 
# File 'lib/aduki.rb', line 13

def self.to_aduki obj, collector={ }, key="", join=""
  case obj
  when Hash
    obj.keys.inject(collector) { |result, k|
      v = obj[k]
      to_aduki v, collector, "#{key}#{join}#{k}", "."
      result
    }
  when Array
    obj.each_with_index do |av, ix|
      to_aduki av, collector, "#{key}[#{ix}]", "."
    end
  when String, Numeric, Symbol
    collector[key] = obj
  else
    vv = obj.instance_variables
    vv.each do |v|
      accessor = v.to_s.gsub(/^@/, "").to_sym
      if obj.respond_to?(accessor) && obj.respond_to?("#{accessor}=".to_sym)
        to_aduki obj.send(accessor), collector, "#{key}#{join}#{accessor}", "."
      end
    end
  end
  collector
end

.to_typed_hash(klass, value) ⇒ Object 



81
82
83
84
85
86
87
88
 
# File 'lib/aduki.rb', line 81

def self.to_typed_hash klass, value
  setters = split_attributes value
  hsh = { }
  setters.each { |k, v|
    hsh[k] = klass.new(v)
  }
  hsh
end

.to_value(klass, setter, value) ⇒ Object 



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
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/aduki.rb', line 44

def self.to_value klass, setter, value
  return value.map { |v| to_value klass, setter, v} if value.is_a? Array

  type = klass.aduki_type_for_attribute_name setter
  if type && type.is_a?(Class) && (value.class <= type)
    value
  elsif type.is_a? Hash
    to_typed_hash type.values.first, value
  elsif type == Date
    case value
    when Date; value
    when String; maybe_parse_date(value)
    else
      if value.respond_to?(:to_date)
        value.to_date
      end
    end
  elsif type == Time
    case value
    when Time; value
    when String; Time.parse(value)
    else
      if value.respond_to?(:to_time)
        value.to_time
      end
    end
  elsif type && (type <= Integer)
    value.to_i
  elsif type && (type <= Float)
    value.to_f
  elsif type.respond_to? :aduki_find
    type.aduki_find value
  else
    type ? type.new(value) : value
  end
end