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[db] Add cleanup to db_pl_delete(), remove db_pl_purge()

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This commit is contained in:
ejurgensen 2020-03-21 22:19:13 +01:00
parent 2ee5f6d747
commit b19314e814
2 changed files with 26 additions and 40 deletions
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57
src/db.c
View File

@ -3632,19 +3632,41 @@ void
db_pl_delete(int id)
{
#define Q_TMPL "DELETE FROM playlists WHERE id = %d;"
#define Q_FILES "DELETE FROM files WHERE data_kind = %d AND path in (SELECT filepath FROM playlistitems WHERE playlistid = %d)"
char *query;
int ret;
if (id == 1)
return;
db_transaction_begin();
query = sqlite3_mprintf(Q_TMPL, id);
ret = db_query_run(query, 1, 0);
if (ret < 0)
{
db_transaction_rollback();
return;
}
if (ret == 0)
// http items in files must have been added by the playlist
// TODO find a cleaner way of identifying tracks added by a playlist
query = sqlite3_mprintf(Q_FILES, DATA_KIND_HTTP, id);
ret = db_query_run(query, 1, 0);
if (ret < 0)
{
db_transaction_rollback();
return;
}
// Clear playlistitems
db_pl_clear_items(id);
db_transaction_end();
#undef Q_TMPL
#undef Q_FILES
}
void
@ -3680,39 +3702,6 @@ db_pl_delete_bypath(const char *path)
free(qp.filter);
}
int
db_pl_purge_byid(int id)
{
#define Q_TMPL "DELETE FROM files WHERE path in (SELECT filepath FROM playlistitems WHERE playlistid = %d)"
char *query;
int ret;
query = sqlite3_mprintf(Q_TMPL, id);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
db_transaction_begin();
ret = db_query_run(query, 1, LISTENER_DATABASE);
if (ret < 0)
{
db_transaction_rollback();
return -1;
}
DPRINTF(E_DBG, L_DB, "Deleted %d pl rows\n", sqlite3_changes(hdl));
db_pl_delete(id);
db_transaction_end();
return 0;
#undef Q_TMPL
}
void
db_pl_disable_bypath(const char *path, enum strip_type strip, uint32_t cookie)
{

7
src/db.h
View File

@ -256,8 +256,8 @@ struct playlist_info {
char *virtual_path; /* virtual path of underlying playlist */
uint32_t parent_id; /* Id of parent playlist if the playlist is nested */
uint32_t directory_id; /* Id of directory */
char *query_order; /* order by clause if it is a smart playlist */
int32_t query_limit; /* limit if it is a smart playlist */
char *query_order; /* order by clause, used by e.g. a smart playlists */
int32_t query_limit; /* limit, used by e.g. smart playlists */
uint32_t media_kind;
uint32_t items; /* number of items (mimc) */
uint32_t streams; /* number of internet streams */
@ -707,9 +707,6 @@ db_pl_delete(int id);
void
db_pl_delete_bypath(const char *path);
int
db_pl_purge_byid(int id);
void
db_pl_disable_bypath(const char *path, enum strip_type strip, uint32_t cookie);