operation.hpp

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#ifndef H_KARAZEH_OPERATION_H
#define H_KARAZEH_OPERATION_H

#include "karazeh_export.h"
#include "karazeh/karazeh.hpp"
#include "karazeh/config.hpp"
#include "karazeh/downloader.hpp"
#include "karazeh/file_manager.hpp"

namespace kzh {
  struct release_manifest;

  enum STAGE_RC {
    STAGE_OK = 0,
    STAGE_UNAUTHORIZED,
    STAGE_OUT_OF_SPACE,
    STAGE_FILE_EXISTS,
    STAGE_FILE_MISSING,
    STAGE_FILE_INTEGRITY_MISMATCH,

    STAGE_INTERNAL_ERROR
  };

  class KARAZEH_EXPORT operation {
  public:
    inline operation(config_t const& config, release_manifest const& rm)
    : config_(config),
      rm_(rm)
    {}

    inline virtual ~operation() {}

    virtual STAGE_RC stage() = 0;

    virtual STAGE_RC deploy() = 0;

    virtual void rollback() = 0;

    inline virtual void commit() {};

    inline virtual string_t tostring() { return ""; }

  protected:
    config_t const& config_;
    release_manifest const&rm_;
  };

} // end of namespace kzh

#endif