lib/relaton_iho/iho_bibliography.rb
require "net/http"
module RelatonIho
class IhoBibliography
ENDPOINT = "https://raw.githubusercontent.com/relaton/relaton-data-iho/" \
"master/".freeze
class << self
#
# Search for IHO standard by IHO standard Code
#
# @param text [String] the IHO standard Code to look up (e..g "IHO B-11")
#
# @return [RelatonIho::IhoBibliographicItem, nil] the IHO standard or nil if not found
#
def search(text, _year = nil, _opts = {}) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
Util.warn "(#{text}) Fetching from Relaton repository ..."
ref = text.sub(/^IHO\s/, "").sub(/^([[:alpha:]]+)(\d+)/, '\1-\2')
index = Relaton::Index.find_or_create :iho, url: "#{ENDPOINT}index.zip"
row = index.search(ref).max_by { |r| r[:id] }
unless row
Util.warn "(#{text}) Not found."
return
end
uri = URI("#{ENDPOINT}#{row[:file]}")
resp = Net::HTTP.get_response uri
unless resp.code == "200"
raise RelatonBib::RequestError, "Could not access #{uri}: HTTP #{resp.code}"
end
yaml = RelatonBib.parse_yaml resp.body, [Date]
hash = HashConverter.hash_to_bib yaml
hash[:fetched] = Date.today.to_s
item = IhoBibliographicItem.new(**hash)
Util.warn "(#{text}) Found: `#{item.docidentifier.first.id}`"
item
rescue SocketError, Errno::EINVAL, Errno::ECONNRESET, EOFError,
Net::HTTPBadResponse, Net::HTTPHeaderSyntaxError,
Net::ProtocolError, Net::ReadTimeout, OpenSSL::SSL::SSLError,
Errno::ETIMEDOUT => e
raise RelatonBib::RequestError, "Could not access #{uri}: #{e.message}"
end
# @param ref [String] the IHO standard Code to look up (e..g "IHO B-11")
# @param year [String] the year the standard was published (optional)
#
# @param opts [Hash] options
# @option opts [TrueClass, FalseClass] :all_parts restricted to all parts
# if all-parts reference is required
# @option opts [TrueClass, FalseClass] :bibdata
#
# @return [RelatonIho::IhoBibliographicItem]
def get(ref, year = nil, opts = {})
search(ref, year, opts)
end
end
end
end