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Versions: 133
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Contents
require "http/client"
class RemoteDataFile
BASE_URL = "https://raw.githubusercontent.com/exercism/problem-specifications/master/exercises"
DATA_FILE = "canonical-data.json"
def initialize(@test_name : String); end
def path
if File.exists?(cache_file)
cache_file
else
remote_file
end
end
private def remote_file
File.write(cache_file, body)
cache_file
end
private def cache_file
File.join(cache_dir, DATA_FILE)
end
private def cache_dir
dirpath = File.expand_path(File.join("cache", @test_name), generator_root)
unless Dir.exists?(dirpath)
Dir.mkdir_p(dirpath)
end
dirpath
end
private def generator_root
File.expand_path(File.join("..", ".."), __FILE__)
end
private def body
response = HTTP::Client.get(url)
case response.status_code
when 200
response.body
when 404
raise "A #{DATA_FILE} doesn't exist for #{@test_name} in problem-specifications. " +
"Go make one!"
else
raise "Error while requesting the #{@test_name} data file from GitHub... " +
"Status was #{response.status_code}"
end
end
private def url
[BASE_URL, @test_name, DATA_FILE].join("/")
end
end
Version data entries
133 entries across 133 versions & 1 rubygems