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Contents
module Quandl
module Client
class Dataset
include Concerns::Search
include Concerns::Properties
##########
# SCOPES #
##########
# SEARCH
search_scope :query, :rows
search_scope :page, ->(p){ where( page: p.to_i )}
search_scope :source_code, ->(c){ where( code: c.to_s.upcase )}
# SHOW
scope_composer_for :show
show_scope :rows, :exclude_data, :exclude_headers, :trim_start, :trim_end, :transform, :collapse
show_helper :find, ->(id){ connection.where(attributes).find( id ) }
show_helper :connection, -> { self.class.parent }
###############
# ASSOCIATIONS #
###############
def source
@source ||= Source.find(self.source_code)
end
###############
# VALIDATIONS #
###############
validates :source_code, presence: true, length: { minimum: 2 }, format: { with: /([A-Z0-9_]+)/ }
validates :code, presence: true, length: { minimum: 2 }, format: { with: /([A-Z0-9_]+)/ }
validates :name, presence: true
##############
# PROPERTIES #
##############
attributes :data, :source_code, :code, :name, :urlize_name,
:description, :updated_at, :frequency, :from_date,
:to_date, :column_names, :private, :type, :display_url
attributes :locations_attributes
alias_method :locations, :locations_attributes
alias_method :locations=, :locations_attributes=
def full_code
@full_code ||= File.join(self.source_code, self.code)
end
def data_table
Data::Table.new( raw_data )
end
def raw_data
@raw_data ||= (self.data || Dataset.find(full_code).data || [])
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems