From 7f322302e5b5cf0345de110afe78767bfb03ae51 Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Mon, 29 Apr 2024 09:50:22 +0200
Subject: [PATCH] New function list_distribute().

---
 data.c | 28 ++++++++++++++++++++++++++++
 snac.h |  1 +
 2 files changed, 29 insertions(+)

diff --git a/data.c b/data.c
index ed65d32..07b38ec 100644
--- a/data.c
+++ b/data.c
@@ -1154,6 +1154,8 @@ int timeline_add(snac *snac, const char *id, const xs_dict *o_msg)
 
     tag_index(id, o_msg);
 
+    list_distribute(snac, o_msg);
+
     snac_debug(snac, 1, xs_fmt("timeline_add %s", id));
 
     return ret;
@@ -1859,6 +1861,32 @@ xs_val *list_content(snac *user, const char *list, const char *actor_md5, int op
 }
 
 
+void list_distribute(snac *user, const xs_dict *post)
+/* distributes the post to all appropriate lists */
+{
+    char *atto = get_atto(post);
+    char *id   = xs_dict_get(post, "id");
+
+    if (xs_type(atto) == XSTYPE_STRING && xs_type(id) == XSTYPE_STRING) {
+        xs *a_md5 = xs_md5_hex(atto, strlen(atto));
+        xs *i_md5 = xs_md5_hex(id, strlen(id));
+        xs *spec  = xs_fmt("%s/list/" "*.lst", user->basedir);
+        xs *ls    = xs_glob(spec, 0, 0);
+        int c = 0;
+        char *v;
+
+        while (xs_list_next(ls, &v, &c)) {
+            /* is the actor in this list? */
+            if (index_in_md5(v, a_md5)) {
+                /* it is; add post md5 to its timeline */
+                xs *idx = xs_replace(v, ".lst", ".idx");
+                index_add(idx, i_md5);
+            }
+        }
+    }
+}
+
+
 /** static data **/
 
 static int _load_raw_file(const char *fn, xs_val **data, int *size,
diff --git a/snac.h b/snac.h
index da8b6f9..b478c7e 100644
--- a/snac.h
+++ b/snac.h
@@ -176,6 +176,7 @@ xs_list *tag_search(char *tag, int skip, int show);
 
 xs_val *list_maint(snac *user, const char *list, int op);
 xs_val *list_content(snac *user, const char *list_id, const char *actor_md5, int op);
+void list_distribute(snac *user, const xs_dict *post);
 
 int actor_add(const char *actor, xs_dict *msg);
 int actor_get(const char *actor, xs_dict **data);