debian-mirror-gitlab/lib/bulk_imports/clients/http.rb
2021-01-30 21:13:34 +05:30

86 lines
2.1 KiB
Ruby

# frozen_string_literal: true
module BulkImports
module Clients
class Http
API_VERSION = 'v4'.freeze
DEFAULT_PAGE = 1.freeze
DEFAULT_PER_PAGE = 30.freeze
ConnectionError = Class.new(StandardError)
def initialize(uri:, token:, page: DEFAULT_PAGE, per_page: DEFAULT_PER_PAGE, api_version: API_VERSION)
@uri = URI.parse(uri)
@token = token&.strip
@page = page
@per_page = per_page
@api_version = api_version
end
def get(resource, query = {})
with_error_handling do
Gitlab::HTTP.get(
resource_url(resource),
headers: request_headers,
follow_redirects: false,
query: query.merge(request_query)
)
end
end
def each_page(method, resource, query = {}, &block)
return to_enum(__method__, method, resource, query) unless block_given?
next_page = @page
while next_page
@page = next_page.to_i
response = self.public_send(method, resource, query) # rubocop: disable GitlabSecurity/PublicSend
collection = response.parsed_response
next_page = response.headers['x-next-page'].presence
yield collection
end
end
private
def request_query
{
page: @page,
per_page: @per_page
}
end
def request_headers
{
'Content-Type' => 'application/json',
'Authorization' => "Bearer #{@token}"
}
end
def with_error_handling
response = yield
raise ConnectionError.new("Error #{response.code}") unless response.success?
response
rescue *Gitlab::HTTP::HTTP_ERRORS => e
raise ConnectionError, e
end
def base_uri
@base_uri ||= "#{@uri.scheme}://#{@uri.host}:#{@uri.port}"
end
def api_url
Gitlab::Utils.append_path(base_uri, "/api/#{@api_version}")
end
def resource_url(resource)
Gitlab::Utils.append_path(api_url, resource)
end
end
end
end