libmp/include/database.h

#pragma once
#include "package.h"
#include <sqlite3.h>

#define HASH_LEN 32

typedef enum lm_query_index {
  QUERY_CREATE_TABLE   = 0,
  QUERY_INSERT_PACKAGE = 1,
  QUERY_SELECT_PACKAGE = 2,
  QUERY_DELETE_PACKAGE = 3,
  QUERY_ALL_PACKAGE    = 4,
} lm_query_index_t;

extern char *queries[];

typedef struct lm_database {
  sqlite3_stmt *st;
  sqlite3      *sql;
  char         *dir;
  lm_pkg_t     *pkg;
} lm_database_t;

typedef bool (*lm_database_files_eachfunc_t)(lm_pkg_t *pkg, char *path, char *hash, void *data);
typedef bool (*lm_database_keeps_eachfunc_t)(lm_pkg_t *pkg, char *path, void *data);

lm_database_t *lm_database_new(char *path);
void           lm_database_free(lm_database_t *db);

bool lm_database_find(lm_database_t *db, lm_pkg_t *pkg, char *name);
bool lm_database_next(lm_database_t *db, lm_pkg_t *pkg);
bool lm_database_add(lm_database_t *db, lm_pkg_t *pkg);
bool lm_database_del(lm_database_t *db, lm_pkg_t *pkg);

bool lm_database_files_foreach(lm_database_t *db, lm_pkg_t *pkg, lm_database_files_eachfunc_t func, void *data);
bool lm_database_files_matches(lm_database_t *db, lm_pkg_t *pkg, char *path, char *hash);
bool lm_database_files_add(lm_database_t *db, lm_pkg_t *pkg, char *path, char *hash);
bool lm_database_files_get(lm_database_t *db, lm_pkg_t *pkg, char *path, char *hash);
bool lm_database_files_del(lm_database_t *db, lm_pkg_t *pkg);

bool lm_database_keeps_foreach(lm_database_t *db, lm_pkg_t *pkg, lm_database_keeps_eachfunc_t func, void *data);
bool lm_database_keeps_load(lm_database_t *db, lm_pkg_t *pkg);
bool lm_database_keeps_save(lm_database_t *db, lm_pkg_t *pkg);
bool lm_database_keeps_del(lm_database_t *db, lm_pkg_t *pkg);

bool  lm_database_changes_update(lm_database_t *db, lm_pkg_t *pkg, char *file);
char *lm_database_changes_get(lm_database_t *db, lm_pkg_t *pkg);
bool  lm_database_changes_del(lm_database_t *db, lm_pkg_t *pkg);