From 82bcc4b465f73a5d1f2eebcf3813452bc1c37fbd Mon Sep 17 00:00:00 2001
From: default
Date: Mon, 27 Jan 2025 16:59:08 +0100
Subject: Minor optimization in timeline retrieving.

Functions now receive an optional int *more, set to 1 if
there are more than the 'show' requested.
---
 data.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

(limited to 'data.c')

diff --git a/data.c b/data.c
index 40382d2..550f7cf 100644
--- a/data.c
+++ b/data.c
@@ -1489,16 +1489,28 @@ xs_str *user_index_fn(snac *user, const char *idx_name)
 }
 
 
-xs_list *timeline_simple_list(snac *user, const char *idx_name, int skip, int show)
+xs_list *timeline_simple_list(snac *user, const char *idx_name, int skip, int show, int *more)
 /* returns a timeline (with all entries) */
 {
     xs *idx = user_index_fn(user, idx_name);
 
-    return index_list_desc(idx, skip, show);
+    /* if a more flag is sent, request one more */
+    xs_list *lst = index_list_desc(idx, skip, show + (more != NULL ? 1 : 0));
+
+    if (more != NULL) {
+        if (xs_list_len(lst) > show) {
+            *more = 1;
+            lst = xs_list_del(lst, -1);
+        }
+        else
+            *more = 0;
+    }
+
+    return lst;
 }
 
 
-xs_list *timeline_list(snac *snac, const char *idx_name, int skip, int show)
+xs_list *timeline_list(snac *snac, const char *idx_name, int skip, int show, int *more)
 /* returns a timeline (only top level entries) */
 {
     int c_max;
@@ -1510,7 +1522,7 @@ xs_list *timeline_list(snac *snac, const char *idx_name, int skip, int show)
     if (show > c_max)
         show = c_max;
 
-    xs *list = timeline_simple_list(snac, idx_name, skip, show);
+    xs *list = timeline_simple_list(snac, idx_name, skip, show, more);
 
     return timeline_top_level(snac, list);
 }
@@ -2709,9 +2721,9 @@ xs_list *content_search(snac *user, const char *regex,
     const char *md5s[3] = {0};
     int c[3] = {0};
 
-    tls[0] = timeline_simple_list(user, "public", 0, XS_ALL);   /* public */
+    tls[0] = timeline_simple_list(user, "public", 0, XS_ALL, NULL);   /* public */
     tls[1] = timeline_instance_list(0, XS_ALL); /* instance */
-    tls[2] = priv ? timeline_simple_list(user, "private", 0, XS_ALL) : xs_list_new(); /* private or none */
+    tls[2] = priv ? timeline_simple_list(user, "private", 0, XS_ALL, NULL) : xs_list_new(); /* private or none */
 
     /* first positioning */
     for (int n = 0; n < 3; n++)
-- 
cgit v1.2.3


From 1766d6bf92eb433841c03ccb096c636a4c5dc968 Mon Sep 17 00:00:00 2001
From: default
Date: Mon, 27 Jan 2025 20:20:40 +0100
Subject: Added a 'No more unseen posts' mark.

---
 data.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'data.c')

diff --git a/data.c b/data.c
index 550f7cf..480a35b 100644
--- a/data.c
+++ b/data.c
@@ -1528,6 +1528,14 @@ xs_list *timeline_list(snac *snac, const char *idx_name, int skip, int show, int
 }
 
 
+void timeline_add_mark(snac *user)
+/* adds an "already seen" mark to the private timeline */
+{
+    xs *fn = xs_fmt("%s/private.idx", user->basedir);
+    index_add_md5(fn, MD5_ALREADY_SEEN_MARK);
+}
+
+
 xs_str *instance_index_fn(void)
 {
     return xs_fmt("%s/public.idx", srv_basedir);
-- 
cgit v1.2.3


From 06ba1174ca7084a3d691aa8c2b552b708d04b8db Mon Sep 17 00:00:00 2001
From: default
Date: Tue, 28 Jan 2025 10:04:23 +0100
Subject: Some tweaks to the already seen mark code.

---
 data.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'data.c')

diff --git a/data.c b/data.c
index 480a35b..7139cdf 100644
--- a/data.c
+++ b/data.c
@@ -1532,7 +1532,23 @@ void timeline_add_mark(snac *user)
 /* adds an "already seen" mark to the private timeline */
 {
     xs *fn = xs_fmt("%s/private.idx", user->basedir);
-    index_add_md5(fn, MD5_ALREADY_SEEN_MARK);
+    char last_entry[MD5_HEX_SIZE] = "";
+    FILE *f;
+
+    /* get the last entry in the index */
+    if ((f = fopen(fn, "r")) != NULL) {
+        index_desc_first(f, last_entry, 0);
+        fclose(f);
+    }
+
+    /* is the last entry *not* a mark? */
+    if (strcmp(last_entry, MD5_ALREADY_SEEN_MARK) != 0) {
+        /* add it */
+        index_add_md5(fn, MD5_ALREADY_SEEN_MARK);
+
+        /* mark as new */
+        timeline_touch(user);
+    }
 }
 
 
-- 
cgit v1.2.3


From aec643838f304468af61ca2ad4e00a9e7125e53b Mon Sep 17 00:00:00 2001
From: default
Date: Tue, 28 Jan 2025 20:36:37 +0100
Subject: Deleted useless code.

---
 data.c | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'data.c')

diff --git a/data.c b/data.c
index 7139cdf..50c6121 100644
--- a/data.c
+++ b/data.c
@@ -1545,9 +1545,6 @@ void timeline_add_mark(snac *user)
     if (strcmp(last_entry, MD5_ALREADY_SEEN_MARK) != 0) {
         /* add it */
         index_add_md5(fn, MD5_ALREADY_SEEN_MARK);
-
-        /* mark as new */
-        timeline_touch(user);
     }
 }
 
-- 
cgit v1.2.3