muse-dl/src/fetch.cr

19 lines
412 B
Crystal

require "crest"
module Muse::Dl
class Fetch
def get_info(url : String) : (Muse::Dl::Book | Muse::Dl::Issue)
match = /https:\/\/muse.jhu.edu\/(book|journal)\/(\d+)/.match url
if match
begin
response = Crest.get url
rescue ex : Crest::NotFound
raise Muse::Dl::InvalidLink
end
else
raise Muse::Dl::InvalidLink
end
end
end
end