diff options
| -rw-r--r-- | data.c | 62 |
1 files changed, 62 insertions, 0 deletions
@@ -328,6 +328,51 @@ int index_add(const char *fn, const char *id) } +int index_del_md5(const char *fn, const char *md5) +/* deletes an md5 from an index */ +{ + int status = 404; + FILE *f; + + pthread_mutex_lock(&data_mutex); + + if ((f = fopen(fn, "r+")) != NULL) { + char line[256]; + + while (fgets(line, sizeof(line), f) != NULL) { + line[32] = '\0'; + + if (strcmp(line, md5) == 0) { + /* found! just rewind, overwrite it with garbage + and an eventual call to index_gc() will clean it + [yes: this breaks index_len()] */ + fseek(f, -33, SEEK_CUR); + fwrite("-", 1, 1, f); + status = 200; + + break; + } + } + + fclose(f); + } + else + status = 500; + + pthread_mutex_unlock(&data_mutex); + + return status; +} + + +int index_del(const char *fn, const char *id) +/* deletes an id from an index */ +{ + xs *md5 = xs_md5_hex(id, strlen(id)); + return index_del_md5(fn, md5); +} + + int index_gc(const char *fn) /* garbage-collects an index, deleting objects that are not here */ { @@ -772,6 +817,23 @@ int object_admire(const char *id, const char *actor, int like) } +int object_unadmire(const char *id, const char *actor, int like) +/* actor no longer likes or announces this object */ +{ + int status; + xs *fn = _object_fn(id); + + fn = xs_replace_i(fn, ".json", like ? "_l.idx" : "_a.idx"); + + status = index_del(fn, actor); + + srv_debug(1, + xs_fmt("object_unadmire (%s) %s %s %d", like ? "Like" : "Announce", actor, fn, status)); + + return status; +} + + int _object_user_cache(snac *snac, const char *id, const char *cachedir, int del) /* adds or deletes from a user cache */ { |