Sha256: f2ee3bb89c5059eb78b6b586f0806a6f1ca306d8ea7f17b2aff336dc4aed6aea
Contents?: true
Size: 1.28 KB
Versions: 4
Compression:
Stored size: 1.28 KB
Contents
class Eco::Data::Locations::NodePlain
module Parsing
attr_writer :node_class
def node_class
@node_class ||= Eco::Data::Locations::NodePlain
end
# Subset of property names expected to be among the headers
def basic_headers
@expected_headers ||= %w[id name parent_id]
end
# Checks if the `basic_headers` to process as `NodePlain` are present.
# @param [CSV::Table]
# @return [Boolean] whether or not it's worthy trying to parse with `NodePlain`.
def csv_matches_format?(csv)
return false unless csv.is_a?(::CSV::Table)
(basic_headers & csv.headers) == basic_headers
end
# It builds each NodePlain from the input csv.
# @param `csv` [CSV::Table] with specific headers
# @return [Array<NodePlain>]
def nodes_from_csv(csv)
raise ArgumentError, "Expecting CSV::Table. Given: #{csv.class}" unless csv.is_a?(::CSV::Table)
# Convert to Eco::CSV::Table for a fresh start
csv = Eco::CSV.parse(csv.to_csv).nil_blank_cells.add_index_column(:row_num)
headers = node_class::ALL_ATTRS.map(&:to_s)
csv.each_with_object([]) do |row, out|
row_num, *values = row.values_at(*headers)
out << node_class.new(row_num, *values)
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems