commit 159a591

New function timeline_top_level() (untested).

 1@@ -6,6 +6,7 @@
 2 #include "xs_json.h"
 3 #include "xs_openssl.h"
 4 #include "xs_glob.h"
 5+#include "xs_set.h"
 6 
 7 #include "snac.h"
 8 
 9@@ -1038,6 +1039,58 @@ int timeline_add(snac *snac, char *id, char *o_msg, char *parent, char *referrer
10 }
11 
12 
13+d_char *timeline_top_level(snac *snac, const char *index)
14+/* returns the top level entries from this index */
15+{
16+    int max  = 256;
17+    xs *list = index_list_desc(index, max);
18+    xs *tl   = xs_list_new();
19+    xs_set seen;
20+    char *p, *v;
21+
22+    xs_set_init(&seen);
23+
24+    p = list;
25+    while (xs_list_iter(&p, &v)) {
26+        char line[256] = "";
27+
28+        strcpy(line, v);
29+
30+        for (;;) {
31+            char line2[256];
32+            xs *fn = _object_fn_by_md5(line);
33+            fn     = xs_replace_i(fn, ".json", "_p.idx");
34+
35+            /* if it doesn't have a parent, we got it */
36+            if (index_first(fn, line2, strlen(line2)) == 0) {
37+                strcpy(line, line2);
38+                break;
39+            }
40+
41+            xs *pfn = _object_fn_by_md5(line2);
42+
43+            /* well, there is a parent... if it's not here, we're done */
44+            if (mtime(pfn) == 0.0)
45+                break;
46+
47+            /* it's here! try again with its own parent */
48+            strcpy(line, line2);
49+        }
50+
51+        if (xs_set_add(&seen, line) == 1) {
52+            xs *obj = NULL;
53+
54+            if (valid_status(object_get(line, &obj, NULL)))
55+                tl = xs_list_append(tl, obj);
56+        }
57+    }
58+
59+    xs_set_free(&seen);
60+
61+    return tl;
62+}
63+
64+
65 void timeline_admire(snac *snac, char *id, char *admirer, int like)
66 /* updates a timeline entry with a new admiration */
67 {

1@@ -76,6 +76,8 @@ d_char *timeline_list(snac *snac, int max);
2 int timeline_add(snac *snac, char *id, char *o_msg, char *parent, char *referrer);
3 void timeline_admire(snac *snac, char *id, char *admirer, int like);
4 
5+d_char *timeline_top_level(snac *snac, const char *index);
6+
7 d_char *local_list(snac *snac, int max);
8 
9 int following_add(snac *snac, char *actor, char *msg);