final public static async function makeAPIRequest()

in src/shipit/ShipItGitHubUtils.php [129:194]
59 lines of code
10 McCabe index (conditional complexity)

  final public static async function makeAPIRequest(
    ShipItGitHubCredentials $credentials,
    string $path,
  ): Awaitable<vec<string>> {
    $results = vec[];
    $request_headers = vec[
      'Accept: application/vnd.github.v3.patch',
    ];

    $access_token = $credentials['access_token'];
    $use_oauth = $access_token !== null;

    if ($use_oauth) {
      $request_headers[] =
        Str\format('Authorization: token %s', $access_token ?? 'null');
    }

    $url = Str\format('https://api.github.com%s', $path);

    while ($url !== null) {
      $ch = PHP\curl_init($url);
      PHP\curl_setopt($ch, \CURLOPT_USERAGENT, 'Facebook/ShipIt');
      PHP\curl_setopt($ch, \CURLOPT_HTTPHEADER, $request_headers);
      if (!$use_oauth) {
        PHP\curl_setopt(
          $ch,
          \CURLOPT_USERPWD,
          Str\format(
            '%s:%s',
            $credentials['user'] ?? 'null',
            $credentials['password'] ?? 'null',
          ),
        );
      }
      PHP\curl_setopt($ch, \CURLOPT_HEADER, 1);
      /* @lint-ignore AWAIT_IN_LOOP Intentional serial await */
      $response = await \HH\Asio\curl_exec($ch);
      $header_len = PHP\curl_getinfo($ch, \CURLINFO_HEADER_SIZE);
      $response_header = Str\slice($response, 0, $header_len);
      $results[] = Str\slice($response, $header_len);

      $url = null;
      foreach (Str\split(Str\trim($response_header), "\n") as $header_line) {
        if (Str\slice($header_line, 0, 5) === 'HTTP/') {
          continue;
        }
        $sep = Str\search($header_line, ':');
        if ($sep === null) {
          continue;
        }

        $name = Str\lowercase(Str\slice($header_line, 0, $sep));
        if ($name === 'link') {
          $matches = Regex\first_match(
            $header_line,
            re"@<(?<next>https://api.github.com[^>]+)>; rel=\"next\"@",
          );
          if ($matches !== null) {
            $url = $matches['next'];
            break;
          }
        }
      }
    }
    return $results;
  }