Repository navigation
Expand file tree
/
Copy pathopen_data.rb
More file actions
108 lines (91 loc) · 2.02 KB
/
Copy pathopen_data.rb
File metadata and controls
108 lines (91 loc) · 2.02 KB
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
class OpenData
@@data_classes = {}
def self.for(input)
if input.is_a?(Array)
input.map { |i| OpenData.new(i) }
else
OpenData.new(input)
end
end
def initialize(input)
if input.is_a?(Hash)
@data = parse_hash(input)
elsif input.is_a?(Array)
@data = parse_value(input)
else
begin
@data = parse_hash(JSON.parse(input))
rescue JSON::ParserError
raise "OpenData either needs a hash or valid JSON string"
end
end
end
def to_h
recursive_to_h(self)
end
def keys
to_h.keys
end
def values
to_h.values
end
def merge!(input)
@data = parse_hash(self.to_h.merge(input.to_h))
self
end
def merge(input)
OpenData.new(self.to_h.merge(input.to_h))
end
def try(name)
super || @data.try(name)
end
def ==(other)
to_h == other.to_h
end
def eql?(other)
self == other
end
def inspect
@data.inspect.gsub("<data", "<OpenData")
end
private
def parse_hash(hash)
key = hash.keys.map(&:to_sym)
@@data_classes[key] ||= Data.define(*key)
values = hash.transform_values do |value|
parse_value(value)
end
@@data_classes[key].new(**values)
end
def parse_value(value)
if value.is_a?(Hash)
self.class.new(value)
elsif value.is_a?(Array)
value.map { |v| parse_value(v) }
else
value
end
end
def recursive_to_h(os)
if os.is_a?(OpenData)
os.instance_variable_get(:@data).to_h.transform_values do |val|
recursive_to_h(val)
end
elsif os.is_a?(Array)
os.map do |val|
recursive_to_h(val)
end
else
os
end
end
def method_missing(method_name, *arguments, &block)
if OpenData.instance_methods.include?(method_name) || OpenData.private_instance_methods.include?(method_name)
super
elsif method_name.to_s[-1] == "="
raise "Error trying to set value #{method_name} on read-only data structure."
else
@data.send(method_name, *arguments, &block)
end
end
end