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# frozen_string_literal: true
module License
module Management
class Repository
include Loggable
include Verifiable
def initialize(
compatibility_path: License::Management.root.join('normalized-licenses.yml'),
spdx_path: License::Management.root.join('spdx-licenses.json')
)
@compatibility_data = YAML.safe_load(IO.read(compatibility_path))
@spdx_data = load_spdx_data_from(spdx_path)
end
def item_for(license)
spdx_data_for(id_for(license)) ||
spdx_data_for(license.send(:short_name)) ||
generate_item_for(license)
end
private
attr_reader :spdx_data, :compatibility_data
def spdx_data_for(id)
data = spdx_data[id]
if data
{
'id' => data['licenseId'],
'name' => data['name'],
'url' => data['seeAlso'][-1]
}
else
log_info("Could not find license `#{id}` in SPDX")
nil
end
end
def id_for(license)
ids = compatibility_data['ids']
ids[license.send(:short_name)] || ids[license.url]
end
# When `license_finder` is unable to determine the license it will use the full
# content of the file as the name of the license. This method shrinks that name
# down to just take the first line of the file.
def take_first_line_from(content)
return '' if blank?(content)
content.split(/[\r\n]+/)[0]
end
def generate_item_for(license)
log_info("detected unknown license named `#{license.send(:short_name)}`")
{
'id' => 'unknown',
'name' => take_first_line_from(license.name),
'url' => present?(license.url) ? license.url : ''
}
end
def load_spdx_data_from(path)
content = IO.read(path)
json = JSON.parse(content)
licenses = json['licenses']
licenses.inject({}) do |memo, license|
memo[license['licenseId']] = license
memo
end
end
end
end
end
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