Sha256: 577ec11952b85b842d47bf519c7446ab16c37425eda1dda5a91e78e4165d3db3
Contents?: true
Size: 1.92 KB
Versions: 17
Compression:
Stored size: 1.92 KB
Contents
module Rubygems
class Error < RuntimeError; end
class Gem
def initialize(name, options={})
@name = name
@include_prerelease = options.fetch(:prerelease, false)
end
attr_reader :name
alias_method :to_s, :name
delegate :cache_key,
:request_releases_of,
:to => "self.class"
def self.request_releases_of(name)
response = Houston.benchmark title: "GET rubygems.org" do
Faraday.get("https://rubygems.org/api/v1/versions/#{name}.json")
end
raise Rubygems::Error, "Unexpected response from rubygems. Status: #{response.status}" unless response.status == 200
MultiJson.load(response.body)
rescue Faraday::Error::ConnectionFailed
raise Rubygems::Error, "Unable to connect to rubygems.org: #{$!.message}"
end
def self.cache_key(name, date)
"rubygems/#{name}/releases/#{date.strftime('%Y%m%d')}/json"
end
def releases
fetch_releases_from_previous_cache_on_error do
key = cache_key(name, Date.today)
Rails.cache.fetch(key) { request_releases_of(name) }
end
end
def versions
@versions ||= begin
versions = releases.map { |release| ::Gem::Version.new(release["number"]) }
versions = versions.reject(&:prerelease?) unless @include_prerelease
versions.sort.reverse
end
end
def fetch_releases_from_previous_cache_on_error
yield
rescue Rubygems::Error
Rails.logger.error "[rubygems] an error occurred fetching releases for '#{name}': #{$!}"
Houston.report_exception $!
# Have we cached releases any time in the last month?
(1..30).each do |n|
date = n.days.ago
key = cache_key(name, date)
if Rails.cache.exist?(key)
Rails.logger.info "[rubygems] using releases of '#{name}' cached on #{date}"
return Rails.cache.fetch(key)
end
end
[]
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems