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-rw-r--r--activitypub.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/activitypub.c b/activitypub.c
index dddeb20..4919a61 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -1057,6 +1057,7 @@ xs_dict *msg_question(snac *user, const char *content, xs_list *attach,
xs *ntid = tid(0);
xs_dict *msg = msg_note(user, content, NULL, NULL, attach, 0);
int max = 8;
+ xs_set seen;
msg = xs_dict_set(msg, "type", "Question");
@@ -1068,20 +1069,30 @@ xs_dict *msg_question(snac *user, const char *content, xs_list *attach,
xs_str *v;
xs *replies = xs_json_loads("{\"type\":\"Collection\",\"totalItems\":0}");
- while (max-- && xs_list_iter(&p, &v)) {
- xs *v2 = xs_dup(v);
- xs *d = xs_dict_new();
+ xs_set_init(&seen);
- if (strlen(v2) > 60) {
- v2[60] = '\0';
- v2 = xs_str_cat(v2, "...");
- }
+ while (max && xs_list_iter(&p, &v)) {
+ if (*v) {
+ xs *v2 = xs_dup(v);
+ xs *d = xs_dict_new();
+
+ if (strlen(v2) > 60) {
+ v2[60] = '\0';
+ v2 = xs_str_cat(v2, "...");
+ }
+
+ if (xs_set_add(&seen, v2) == 1) {
+ d = xs_dict_append(d, "name", v2);
+ d = xs_dict_append(d, "replies", replies);
+ o = xs_list_append(o, d);
- d = xs_dict_append(d, "name", v2);
- d = xs_dict_append(d, "replies", replies);
- o = xs_list_append(o, d);
+ max--;
+ }
+ }
}
+ xs_set_free(&seen);
+
msg = xs_dict_append(msg, multiple ? "anyOf" : "oneOf", o);
/* set the end time */