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Contents
# typed: false
# frozen_string_literal: true
require 'csv'
require 'singleton'
module Workato
module Connector
module Sdk
class LookupTables
include Singleton
def self.from_yaml(path = DEFAULT_LOOKUP_TABLES_PATH)
instance.load_data(YAML.load_file(path))
end
def self.from_csv(table_id, table_name, path)
rows = CSV.foreach(path, headers: true, return_headers: false).map(&:to_h)
instance.load_data(table_name => { id: table_id, rows: rows })
end
class << self
delegate :load_data,
:lookup,
to: :instance
end
def lookup(table_name_or_id, *args)
table = find_table(table_name_or_id)
return {} unless table
condition = args.extract_options!
row = table.lazy.where(condition).first
return {} unless row
row.to_hash.with_indifferent_access
end
def load_data(data = {})
@table_by_id ||= {}
@table_by_name ||= {}
data.each do |name, table|
table = table.with_indifferent_access
rows = table['rows'].freeze
@table_by_id[table['id'].to_i] = rows
@table_by_name[name] = rows
end
end
private
def find_table(table_name_or_id)
unless @table_by_id
raise 'Lookup Tables are not initialized. ' \
'Init data by calling LookupTable.from_file or LookupTable.load_data'
end
(table_name_or_id.is_int? && @table_by_id[table_name_or_id.to_i]) || @table_by_name[table_name_or_id]
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems