Class: Economic::Response

Inherits:
Object
  • Object
show all
Defined in:
lib/economic/response.rb

Defined Under Namespace

Classes: Pagination

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(self_link:, meta_data:, pagination: nil, collection: nil, entity: nil) ⇒ Response

Returns a new instance of Response.



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# File 'lib/economic/response.rb', line 3

def initialize(self_link:, meta_data:, pagination: nil, collection: nil, entity: nil)
  @self_link = self_link
  @meta_data = meta_data
  @pagination = pagination
  @collection = collection
  @entity = entity
end

Instance Attribute Details

#collection ⇒ Object

Returns the value of attribute collection.



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# File 'lib/economic/response.rb', line 11

def collection
  @collection
end

#entity ⇒ Object

Returns the value of attribute entity.



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# File 'lib/economic/response.rb', line 11

def entity
  @entity
end

#meta_data ⇒ Object

Returns the value of attribute meta_data.



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# File 'lib/economic/response.rb', line 11

def meta_data
  @meta_data
end

#pagination ⇒ Object

Returns the value of attribute pagination.



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# File 'lib/economic/response.rb', line 11

def pagination
  @pagination
end

#self_link ⇒ Object

Returns the value of attribute self_link.



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# File 'lib/economic/response.rb', line 11

def self_link
  @self_link
end

Class Method Details

.from_json(json) ⇒ Object 



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# File 'lib/economic/response.rb', line 14

def from_json(json)
  parsed = JSON.parse(json)

  if parsed.key?("collection")
    endpoint = parsed["self"][30..].split("?").first
    model_class = model_class_from_endpoint(endpoint)

    collection = parsed["collection"].map do |hash|
      # This method is very heavy. It takes about 2 seconds to run test/resources/customer_resource_test.rb:9, which instantiates 3684 customers
      # Not instantiating them results in a runtime of 0.056 seconds.
      model_class.from_hash(hash)
    end

    new(
      collection: collection,
      meta_data: parsed["metaData"],
      self_link: parsed["self"],
      pagination: Economic::Response::Pagination.from_hash(parsed["pagination"])
    )
  else
    # find model class
    endpoint = parsed["self"][30..].split("/")[0..-2].join("/")
    model_class = model_class_from_endpoint(endpoint)

    new(
      entity: model_class.from_json(json),
      self_link: parsed["self"],
      meta_data: parsed["metaData"]
    )
  end
end

.model_class_from_endpoint(endpoint) ⇒ Object 



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# File 'lib/economic/response.rb', line 46

def model_class_from_endpoint(endpoint)
  "Economic::Models::#{endpoint.underscore.tr("0-9", "").gsub("//", "/").classify}".constantize
end