Module: IronAdmin::Adapters::Http::TypeInferrer

Defined in:
lib/iron_admin/adapters/http/type_inferrer.rb

Overview

Infers IronAdmin field types from JSON values.

Used for auto-discovery: the adapter fetches the first API response and uses this class to determine column types from the JSON data, matching IronAdmin's convention-over-configuration philosophy.

Constant Summary collapse

ISO8601_DATETIME = 
/\A\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}/
ISO8601_DATE = 
/\A\d{4}-\d{2}-\d{2}\z/

Class Method Summary collapse

Class Method Details

.infer(value) ⇒ Symbol

Infers the IronAdmin type symbol from a JSON value.

Parameters:

  • value (Object) —

    A value from a JSON response

Returns:

  • (Symbol) —

    The inferred field type



19
20
21
22
23
24
25
26
27
 
# File 'lib/iron_admin/adapters/http/type_inferrer.rb', line 19

def self.infer(value)
  case value
  when Integer, Float then :number
  when TrueClass, FalseClass then :boolean
  when Hash, Array then :json
  when String then infer_string_type(value)
  else :string
  end
end

.infer_columns(data) ⇒ Array<ColumnDescriptor>

Infers column descriptors from a JSON hash (one record).

Parameters:

  • data (Hash) —

    A single JSON record

Returns:



33
34
35
 
# File 'lib/iron_admin/adapters/http/type_inferrer.rb', line 33

def self.infer_columns(data)
  data.map { |key, value| ColumnDescriptor.new(key.to_s, infer(value)) }
end