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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
class CustomField < ActiveRecord::Base
extend Enumerize
belongs_to :workgroup
enumerize :field_type, in: %i{list integer string attachment}
validates :name, uniqueness: {scope: [:resource_type, :workgroup_id]}
validates :code, uniqueness: {scope: [:resource_type, :workgroup_id], case_sensitive: false}
class Collection < HashWithIndifferentAccess
def initialize object
vals = object.class.custom_fields.map do |v|
[v.code, CustomField::Value.new(object, v, object.custom_field_value(v.code))]
end
super Hash[*vals.flatten]
end
def to_hash
HashWithIndifferentAccess[*self.map{|k, v| [k, v.to_hash]}.flatten(1)]
end
end
class Value
def self.new owner, custom_field, value
field_type = custom_field.field_type
klass_name = field_type && "CustomField::Value::#{field_type.classify}"
klass = klass_name && const_defined?(klass_name) ? klass_name.constantize : CustomField::Value::Base
klass.new owner, custom_field, value
end
class Base
def initialize owner, custom_field, value
@custom_field = custom_field
@raw_value = value
@owner = owner
@errors = []
@validated = false
@valid = false
end
attr_accessor :owner
delegate :code, :name, :field_type, to: :@custom_field
def options
@custom_field.options || {}
end
def validate
@valid = true
end
def valid?
validate unless @validated
@valid
end
def value
@raw_value
end
def errors_key
"custom_fields.#{code}"
end
def to_hash
HashWithIndifferentAccess[*%w(code name field_type options value).map{|k| [k, send(k)]}.flatten(1)]
end
def display_value
value
end
def initialize_custom_field
end
def preprocess_value_for_assignment val
val
end
def render_partial
ActionView::Base.new(Rails.configuration.paths["app/views"].first).render(
:partial => "shared/custom_fields/#{field_type}",
:locals => { field: self}
)
end
end
class Integer < Base
def value
@raw_value&.to_i
end
def validate
@valid = true
return if @raw_value.is_a?(Fixnum) || @raw_value.is_a?(Float)
unless @raw_value.to_s =~ /\A\d*\Z/
@owner.errors.add errors_key, "'#{@raw_value}' is not a valid integer"
@valid = false
end
end
end
class List < Integer
def validate
super
return unless value.present?
unless value >= 0 && value < options["list_values"].size
@owner.errors.add errors_key, "'#{@raw_value}' is not a valid value"
@valid = false
end
end
def display_value
options["list_values"][value]
end
end
class Attachment < Base
def initialize_custom_field
custom_field_code = self.code
_attr_name = attr_name
_uploader_name = uploader_name
owner.send :define_singleton_method, "read_uploader" do |attr|
if attr.to_s == _attr_name
custom_field_values[custom_field_code]
else
read_attribute attr
end
end
owner.send :define_singleton_method, "write_uploader" do |attr, val|
if attr.to_s == _attr_name
custom_field_values[custom_field_code] = val
else
write_attribute attr, val
end
end
owner.send :define_singleton_method, "#{_attr_name}_will_change!" do
custom_field_values_will_change!
end
_extension_whitelist = options["extension_whitelist"]
owner.send :define_singleton_method, "#{_uploader_name}_extension_whitelist" do
_extension_whitelist
end
unless owner.class.uploaders.has_key? _uploader_name.to_sym
owner.class.mount_uploader _uploader_name, CustomFieldAttachmentUploader, mount_on: "custom_field_#{code}_raw_value"
end
end
def preprocess_value_for_assignment val
owner.send "#{uploader_name}=", val
end
def value
owner.send "custom_field_#{code}"
end
def raw_value
@raw_value
end
def attr_name
"custom_field_#{code}_raw_value"
end
def uploader_name
"custom_field_#{code}"
end
def display_value
render_partial
end
end
class String < Base
def value
"#{@raw_value}"
end
end
end
end
|
