class Quata::API
Provides access to all the Quandl API
endpoints
Attributes
api_key[R]
Public Class Methods
new(api_key=nil, opts={})
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Initializes the API
with an optional API
Key, and cache settings.
# File lib/quata/api.rb, line 14 def initialize(api_key=nil, opts={}) opts, api_key = api_key, nil if api_key.is_a?(Hash) && opts.empty? @api_key = api_key cache.disable unless opts[:use_cache] cache.dir = opts[:cache_dir] if opts[:cache_dir] cache.life = opts[:cache_life] if opts[:cache_life] end
Public Instance Methods
default_query()
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Returns a hash that will be merged into all query strings before sending the request to Quandl. This method is used by API
Cake.
# File lib/quata/api.rb, line 24 def default_query { api_key: api_key } end
get_csv(path, params={})
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Forwards all arguments to get! and converts the JSON response to CSV If the response contains one or more arrays, the first array will be the CSV output. Otherwise, the response itself will be used.
# File lib/quata/api.rb, line 31 def get_csv(path, params={}) path = "#{path}.csv" payload = get! path, params if payload.response.code != '200' raise Quata::BadResponse, "#{payload.response.code} #{payload.response.msg}" end payload.response.body end