url_paths.h

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/*
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  it under the terms of the GNU General Public License, version 2.0,
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
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  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
 
#ifndef ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_ENDPOINT_HANDLER_URL_PATHS_H_
#define ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_ENDPOINT_HANDLER_URL_PATHS_H_
 
#include <string>
#include <vector>
 
#include "helper/string/contains.h"
#include "http/base/uri.h"
 
namespace mrs {
namespace endpoint {
namespace handler {
 
const std::string k_path_metadata_catalog = "metadata-catalog";
const std::string k_path_id_or_query =
    "(/([0-9]|[a-z]|[A-Z]|[-._~!$&'()*+,;=:@%]| )*/?)?";
const std::string k_metadata = "_metadata";
const std::string k_debug = "_debug";
 
inline std::string regex_path_schema_catalog(
    const std::string &service_schema_path) {
  using namespace std::string_literals;
  return "^"s + service_schema_path + "/"s + k_path_metadata_catalog + "/?$"s;
}
 
inline std::string url_obj_metadata_catalog(const ::http::base::Uri &uri,
                                            std::string obj_name) {
  using namespace std::string_literals;
  auto result = uri;
 
  result.get_path_elements().push_back(k_path_metadata_catalog);
  if (!obj_name.empty()) {
    if (obj_name[0] == '/') obj_name.erase(obj_name.begin());
  }
  result.get_path_elements().push_back(obj_name);
  return result.join();
}
 
inline std::string url_sch_metadata_catalog(const ::http::base::Uri &uri) {
  auto u = uri;
  u.get_path_elements().push_back(k_path_metadata_catalog);
  return u.join();
}
 
inline std::string regex_path_obj_metadata_catalog(
    const std::string &service_schema_path, const std::string &obj_name) {
  const std::string k_metadata_catalog = "/metadata-catalog";
  using namespace std::string_literals;
  return "^"s + service_schema_path + k_metadata_catalog + obj_name + "/?$"s;
}
 
inline std::string regex_path_service_debug(const std::string &service_path) {
  using namespace std::string_literals;
  return "^"s + service_path + "/"s + k_debug + "/?$"s;
}
 
inline std::string regex_path_service_metadata(
    const std::string &service_path) {
  using namespace std::string_literals;
  return "^"s + service_path + "/"s + k_metadata + "/?$"s;
}
 
inline std::string regex_path_schema_metadata(
    const std::string &service_schema_path) {
  using namespace std::string_literals;
  return "^"s + service_schema_path + "/"s + k_metadata + "/?$"s;
}
 
inline std::string regex_path_object_metadata(
    const std::string &service_schema_path, const std::string &obj_name) {
  using namespace std::string_literals;
  return "^"s + service_schema_path + obj_name + "/"s + k_metadata + "/?$"s;
}
 
inline std::string regex_path_obj_openapi_swagger(
    const std::string &service_schema_path, const std::string &obj_name) {
  const std::string k_openapi_catalog = "/open-api-catalog";
  using namespace std::string_literals;
  return "^"s + service_schema_path + k_openapi_catalog + obj_name + "/?$"s;
}
 
inline std::string regex_path_schema_openapi_swagger(
    const std::string &service_schema_path) {
  const std::string k_openapi_catalog = "/open-api-catalog";
  using namespace std::string_literals;
  return "^"s + service_schema_path + k_openapi_catalog + "/?$"s;
}
 
inline std::string regex_path_schema_openapi_swagger_alias(
    const std::string &service_name, const std::string &schema_name) {
  const std::string k_openapi_catalog = "/open-api-catalog";
  using namespace std::string_literals;
  return "^/"s + service_name + k_openapi_catalog + "/" + schema_name + "/?$"s;
}
 
inline std::string regex_path_service_openapi_swagger(
    const std::string &service_path) {
  const std::string k_openapi_catalog = "/open-api-catalog";
  using namespace std::string_literals;
  return "^"s + service_path + k_openapi_catalog + "/?$"s;
}
 
inline std::string regex_path_db_object(const std::string &object_path) {
  using namespace std::string_literals;
  return "^"s + object_path + k_path_id_or_query + "$"s;
}
 
inline std::vector<std::string> regex_path_db_object_with_index(
    const std::string &object_path, const std::string &service_schema_path,
    const bool is_index) {
  using namespace std::string_literals;
  std::vector<std::string> result{"^"s + object_path + k_path_id_or_query +
                                  "$"s};
 
  if (is_index) {
    // When the url path is empty, its root path, which
    // http plugin processes as "", instead "/".
    if (service_schema_path.empty())
      result.push_back("^"s + service_schema_path + "$"s);
    else
      result.push_back("^"s + service_schema_path + "/$"s);
  }
 
  return result;
}
 
inline std::vector<std::string> regex_path_file(std::string service_schema_path,
                                                const std::string &object_path,
                                                bool is_index) {
  using namespace std::string_literals;
  std::vector<std::string> result{
      {"^"s + service_schema_path + object_path + "$"s}};
 
  if (is_index) {
    // When the url path is empty, its root path, which
    // http plugin processes as "", instead "/".
    if (service_schema_path.empty())
      result.push_back("^"s + service_schema_path + "$"s);
    else
      result.push_back("^"s + service_schema_path + "/$"s);
  }
 
  return result;
}
 
inline std::string remove_leading_slash_from_path(const std::string &path) {
  if (path.empty()) return {};
  if (path[0] == '/') return path.substr(1);
  return {};
}
 
inline std::vector<std::string> regex_path_content_file(
    const std::string &service_schema_path) {
  return regex_path_file(service_schema_path, "",
                         helper::ends_with(service_schema_path, "/index.html"));
}
 
}  // namespace handler
}  // namespace endpoint
}  // namespace mrs
 
#endif /* ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_ENDPOINT_HANDLER_URL_PATHS_H_ \
        */