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Contents
require 'csv'
module Gattica
# Represents a single "row" of data containing any number of dimensions, metrics
class DataPoint
include Convertible
attr_reader :id, :updated, :title, :dimensions, :metrics, :xml
# Parses the XML <entry> element
def initialize(xml)
@xml = xml.to_s
@id = xml.at('id').inner_html
@updated = DateTime.parse(xml.at('updated').inner_html)
@title = xml.at('title').inner_html
@dimensions = xml.search('dxp:dimension').collect do |dimension|
{ dimension.attributes['name'].split(':').last.to_sym => dimension.attributes['value'].split(':').last }
end
@metrics = xml.search('dxp:metric').collect do |metric|
{ metric.attributes['name'].split(':').last.to_sym => metric.attributes['value'].split(':').last.to_i }
end
end
# Outputs in Comma Seperated Values format
def to_csv(format = :long)
output = ''
columns = []
# only output
case format
when :long
[@id, @updated, @title].each { |c| columns << c }
end
# output all dimensions
@dimensions.map {|d| d.value}.each { |c| columns << c }
# output all metrics
@metrics.map {|m| m.value}.each { |c| columns << c }
output = CSV.generate_line(columns)
return output
end
def to_yaml
{ 'id' => @id,
'updated' => @updated,
'title' => @title,
'dimensions' => @dimensions,
'metrics' => @metrics }.to_yaml
end
end
end
Version data entries
12 entries across 12 versions & 6 rubygems