command_line_tools.hpp

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#pragma once
 
#include "core.hpp"
 
#include <fstream>
#include <functional>
#include <iostream>
#include <optional>
#include <string>
#include <vector>
 
namespace relx::migrations::cli {
 
void print_usage(const char* program_name, const std::vector<std::string>& supported_versions = {});
 
void print_usage(const char* program_name, const std::vector<std::string>& supported_versions,
                 bool create_available, bool drop_available);
 
void write_migration_to_file(const Migration& migration, const std::string& filename,
                             bool include_rollback = true);
 
void print_migration(const Migration& migration);
 
struct CommandLineArgs {
  enum class Command { HELP, GENERATE, CREATE, DROP, INVALID };
 
  Command command = Command::INVALID;
  std::string from_version;
  std::string to_version;
  std::string version;
  std::string output_file;
  std::string error_message;
};
 
CommandLineArgs parse_args(const std::vector<std::string>& args);
 
using MigrationGenerator =
    std::function<MigrationResult<Migration>(const std::string&, const std::string&)>;
 
using CreateMigrationGenerator = std::function<MigrationResult<Migration>(const std::string&)>;
 
using DropMigrationGenerator = std::function<MigrationResult<Migration>(const std::string&)>;
 
int run_migration_tool(int argc, char* argv[], const std::vector<std::string>& supported_versions,
                       MigrationGenerator migration_generator,
                       std::optional<CreateMigrationGenerator> create_generator = std::nullopt,
                       std::optional<DropMigrationGenerator> drop_generator = std::nullopt);
 
}  // namespace relx::migrations::cli