errors.h

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#ifndef ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_DATABASE_JSON_MAPPER_VIEW_ERRORS_H_
#define ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_DATABASE_JSON_MAPPER_VIEW_ERRORS_H_
 
#include <stdexcept>
#include <string>
 
namespace mrs {
namespace database {
 
class JSONInputError : public std::runtime_error {
 public:
  explicit JSONInputError(const std::string &msg)
      : std::runtime_error("Invalid input JSON document: " + msg) {}
};
 
inline void throw_invalid_field(const std::string &table,
                                const std::string &field) {
  throw JSONInputError("Invalid field \"" + field + "\" in table `" + table +
                       "` in JSON input");
}
 
inline void throw_missing_field(const std::string &table,
                                const std::string &field) {
  throw JSONInputError("Field \"" + field + "\" for table `" + table +
                       "` missing in JSON input");
}
 
inline void throw_missing_id(const std::string &table) {
  throw JSONInputError("ID for table `" + table + "` missing in JSON input");
}
 
inline void throw_mismatching_id(const std::string &table,
                                 const std::string &column) {
  throw JSONInputError("Value for column `" + column + "` of table `" + table +
                       "` does not match referenced ID");
}
 
inline void throw_immutable_id(const std::string &table) {
  throw JSONInputError("ID for table `" + table + "` cannot be changed");
}
 
inline void throw_invalid_type(const std::string &table,
                               const std::string &field = "") {
  if (field.empty())
    throw JSONInputError("Invalid document in JSON input for table `" + table +
                         "`");
  else
    throw JSONInputError("Invalid value for \"" + field + "\" for table `" +
                         table + "` in JSON input");
}
 
inline void throw_duplicate_key(const std::string &table,
                                const std::string &field) {
  throw JSONInputError("Duplicate keys in \"" + field + "\" for table `" +
                       table + "` in JSON input");
}
 
class DataMappingViewError : public std::runtime_error {
 public:
  explicit DataMappingViewError(const std::string &msg)
      : std::runtime_error(msg) {}
};
 
inline void throw_ENOINSERT(const std::string &table) {
  throw DataMappingViewError(
      "Data Mapping View does not allow INSERT for table `" + table + "`");
}
 
inline void throw_ENOUPDATE(const std::string &table,
                            const std::string &field = "") {
  if (field.empty())
    throw DataMappingViewError(
        "Data Mapping View does not allow UPDATE for table `" + table + "`");
  else
    throw DataMappingViewError(
        "Data Mapping View does not allow UPDATE for field \"" + field +
        "\" of table `" + table + "`");
}
 
inline void throw_ENODELETE(const std::string &table = "") {
  if (table.empty())
    throw DataMappingViewError(
        "Data Mapping View does not allow DELETE for a referenced table");
  else
    throw DataMappingViewError(
        "Data Mapping View does not allow DELETE for table `" + table + "`");
}
 
inline void throw_read_only() {
  throw DataMappingViewError("Data Mapping View is read-only");
}
 
}  // namespace database
}  // namespace mrs
 
#endif  // ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_DATABASE_JSON_MAPPER_VIEW_ERRORS_H_