forked from Fosome/garb
/
filter_parameters.rb
34 lines (29 loc) · 1.04 KB
/
filter_parameters.rb
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module Garb
class FilterParameters
# def self.define_operators(*methods)
# methods.each do |method|
# class_eval <<-CODE
# def #{method}(field, value)
# @filter_hash.merge!({SymbolOperator.new(field, :#{method}) => value})
# end
# CODE
# end
# end
# define_operators :eql, :not_eql, :gt, :gte, :lt, :lte, :matches,
# :does_not_match, :contains, :does_not_contain, :substring, :not_substring
attr_accessor :parameters
def initialize(parameters)
self.parameters = ([parameters].flatten || []).compact
end
def to_params
value = self.parameters.map do |param|
param.map do |k,v|
next unless k.is_a?(SymbolOperator)
escaped_v = v.to_s.gsub(/([,;\\])/) {|c| '\\'+c}
"#{URI.encode(k.to_google_analytics, /[=<>]/)}#{CGI::escape(escaped_v)}"
end.join('%3B') # Hash AND (no duplicate keys), escape char for ';' fixes oauth
end.join(',') # Array OR
value.empty? ? {} : {'filters' => value}
end
end
end