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Add db interface to update the admin table

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This commit is contained in:
ejurgensen 2014-08-15 22:54:47 +02:00
parent b0807b168e
commit d5efc2dcb3
2 changed files with 179 additions and 0 deletions
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166
src/db.c
View File

@ -3657,6 +3657,172 @@ db_spotify_pl_delete(int id)
}
#endif
/* Admin */
int
db_admin_add(const char *key, const char *value)
{
#define Q_TMPL "INSERT INTO admin (key, value) VALUES ('%q', '%q');"
char *query;
char *errmsg;
int ret;
query = sqlite3_mprintf(Q_TMPL, key, value);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
errmsg = NULL;
ret = db_exec(query, &errmsg);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Error adding key to admin: %s\n", errmsg);
sqlite3_free(errmsg);
sqlite3_free(query);
return -1;
}
sqlite3_free(query);
return 0;
#undef Q_TMPL
}
char *
db_admin_get(const char *key)
{
#define Q_TMPL "SELECT value FROM admin a WHERE a.key = '%q';"
char *query;
sqlite3_stmt *stmt;
char *res;
int ret;
query = sqlite3_mprintf(Q_TMPL, key);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return NULL;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
ret = db_blocking_prepare_v2(query, strlen(query) + 1, &stmt, NULL);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Could not prepare statement: %s\n", sqlite3_errmsg(hdl));
sqlite3_free(query);
return NULL;
}
ret = db_blocking_step(stmt);
if (ret != SQLITE_ROW)
{
if (ret == SQLITE_DONE)
DPRINTF(E_DBG, L_DB, "No results\n");
else
DPRINTF(E_LOG, L_DB, "Could not step: %s\n", sqlite3_errmsg(hdl));
sqlite3_finalize(stmt);
sqlite3_free(query);
return NULL;
}
res = (char *)sqlite3_column_text(stmt, 0);
if (res)
res = strdup(res);
#ifdef DB_PROFILE
while (db_blocking_step(stmt) == SQLITE_ROW)
; /* EMPTY */
#endif
sqlite3_finalize(stmt);
sqlite3_free(query);
return res;
#undef Q_TMPL
}
int
db_admin_update(const char *key, const char *value)
{
#define Q_TMPL "UPDATE admin SET value='%q' WHERE key='%q';"
char *query;
char *errmsg;
int ret;
query = sqlite3_mprintf(Q_TMPL, key, value);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
errmsg = NULL;
ret = db_exec(query, &errmsg);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Error updating key in admin: %s\n", errmsg);
sqlite3_free(errmsg);
sqlite3_free(query);
return -1;
}
sqlite3_free(query);
return 0;
#undef Q_TMPL
}
int
db_admin_delete(const char *key)
{
#define Q_TMPL "DELETE FROM admin where key='%q';"
char *query;
char *errmsg;
int ret;
query = sqlite3_mprintf(Q_TMPL, key);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
errmsg = NULL;
ret = db_exec(query, &errmsg);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Error deleting key from admin: %s\n", errmsg);
sqlite3_free(errmsg);
sqlite3_free(query);
return -1;
}
sqlite3_free(query);
return 0;
#undef Q_TMPL
}
/* Speakers */
int

13
src/db.h
View File

@ -480,6 +480,19 @@ void
db_spotify_pl_delete(int id);
#endif
/* Admin */
int
db_admin_add(const char *key, const char *value);
char *
db_admin_get(const char *key);
int
db_admin_update(const char *key, const char *value);
int
db_admin_delete(const char *key);
/* Speakers */
int
db_speaker_save(uint64_t id, int selected, int volume);