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Remove feeds associated with a channel when it is deleted

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This commit is contained in:
Mina Brown
2025-01-09 12:20:23 -05:00
parent e1b470b27c
commit b8ea689cc3
3 changed files with 34 additions and 0 deletions
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23
feed_info.c
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@ -207,6 +207,29 @@ zblock_feed_info_err zblock_feed_info_delete_all_guild(PGconn *conn, u64snowflak
return result;
}
// deletes all feeds associated with a channel from the database
zblock_feed_info_err zblock_feed_info_delete_all_channel(PGconn *conn, u64snowflake channel_id) {
if (!conn) return ZBLOCK_FEED_INFO_INVALID_ARGS;
uint64_t channel_id_be = htobe64(channel_id);
const char *const params[] = {(char *) &channel_id_be};
const int param_lengths[] = {sizeof(channel_id_be)};
const int param_formats[] = {1};
PGresult *res = PQexecParams(conn,
"DELETE FROM feeds WHERE channel_id = $1::bigint",
1, NULL, params, param_lengths, param_formats, 1
);
zblock_feed_info_err result = ZBLOCK_FEED_INFO_OK;
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
log_error(PQresultErrorMessage(res));
result = ZBLOCK_FEED_INFO_DBERROR;
}
PQclear(res);
return result;
}
// updates the last_pubDate field of a given feed in the database
zblock_feed_info_err zblock_feed_info_update(PGconn *conn, zblock_feed_info_minimal *feed) {
if (!conn || !feed) return ZBLOCK_FEED_INFO_INVALID_ARGS;