Module: DingSDK::MetadataFields::ClassMethods

Extended by:
T::Sig
Defined in:
lib/ding_sdk/utils/metadata_fields.rb

Instance Method Summary collapse

Instance Method Details

#field(field_name, type, metadata = {}) ⇒ Object 



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# File 'lib/ding_sdk/utils/metadata_fields.rb', line 29

def field(field_name, type, metadata = {})
  attr_accessor field_name

  fields << Field.new(field_name, type, metadata)
end

#fields ⇒ Object 



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# File 'lib/ding_sdk/utils/metadata_fields.rb', line 23

def fields
  @__fields__ = [] if @__fields__.nil?

  @__fields__
end

#unmarshal_json(json_obj) ⇒ Object 



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# File 'lib/ding_sdk/utils/metadata_fields.rb', line 56

def unmarshal_json(json_obj)
  to_build = new
  begin
    d = JSON.parse(json_obj)
  rescue TypeError, JSON::ParserError
    d = json_obj
  end
  fields.each do |field|
    field_type = field.type
    if T.nilable? field_type
      field_type = T.nilable_of(field_type)
    end

    key = "#{field.name}="
    lookup = field.metadata.fetch(:format_json, {}).fetch(:letter_case, nil).call
    value = d[lookup]
    next if value.nil?

    if T.arr? field_type
      inner_type = T.arr_of(field_type)
      unmarshalled_array = value.map { |f| unmarshal_single(inner_type, f) }
      to_build.send(key, unmarshalled_array)
    elsif T.hash? field_type
      val_type = T.hash_of(field_type)

      # rubocop:disable Style/HashTransformValues
      unmarshalled_hash = value.map { |k, v| [k, unmarshal_single(val_type, v)] }.to_h
      # rubocop:enable Style/HashTransformValues
      to_build.send(key, unmarshalled_hash)
    else
      decoder = field.metadata.fetch(:format_json, {}).fetch(:decoder, nil)
      final_value = unmarshal_single(field_type, value, decoder)
      to_build.send(key, final_value)
    end
  end
  to_build
end

#unmarshal_single(field_type, value, decoder = nil) ⇒ Object 



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# File 'lib/ding_sdk/utils/metadata_fields.rb', line 35

def unmarshal_single(field_type, value, decoder = nil)
  if field_type.respond_to? :unmarshal_json
    unmarshalled = field_type.unmarshal_json(value)
    return unmarshalled
  elsif field_type.to_s == 'Object'
    # rubocop:disable Lint/SuppressedException
    begin
      value = JSON.parse(value)
    rescue TypeError, JSON::ParserError
    end
    # rubocop:enable Lint/SuppressedException
    return value
  end
  if decoder.nil?
    value
  else
    decoder.call(value)
  end
end