notmuch search: Add (relative) date to search output

The new function for formatting relative dates is nice enough that
we need to start using it more places. Here's one of them.

1 files changed, 48 insertions, 7 deletions

diff --git a/thread.cc b/thread.cc
index e4c9e11..b67dfad 100644
--- a/thread.cc
+++ b/thread.cc
@@ -30,6 +30,10 @@ struct _notmuch_thread {
     char *thread_id;
     char *subject;
     GHashTable *tags;
+
+    notmuch_bool_t has_message;
+    time_t oldest;
+    time_t newest;
 };
 
 static int
@@ -74,6 +78,10 @@ _notmuch_thread_create (const void *talloc_owner,
     thread->tags = g_hash_table_new_full (g_str_hash, g_str_equal,
 					  free, NULL);
 
+    thread->has_message = 0;
+    thread->oldest = 0;
+    thread->newest = 0;
+
     return thread;
 }
 
@@ -84,15 +92,36 @@ notmuch_thread_get_thread_id (notmuch_thread_t *thread)
 }
 
 void
-_notmuch_thread_add_tag (notmuch_thread_t *thread, const char *tag)
+_notmuch_thread_add_message (notmuch_thread_t *thread,
+			     notmuch_message_t *message)
 {
-    g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
-}
+    notmuch_tags_t *tags;
+    const char *tag;
+    time_t date;
 
-void
-_notmuch_thread_set_subject (notmuch_thread_t *thread, const char *subject)
-{
-    thread->subject = talloc_strdup (thread, subject);
+    if (! thread->subject) {
+	const char *subject;
+	subject = notmuch_message_get_header (message, "subject");
+	thread->subject = talloc_strdup (thread, subject);
+    }
+
+    for (tags = notmuch_message_get_tags (message);
+	 notmuch_tags_has_more (tags);
+	 notmuch_tags_advance (tags))
+    {
+	tag = notmuch_tags_get (tags);
+	g_hash_table_insert (thread->tags, xstrdup (tag), NULL);
+    }
+
+    date = notmuch_message_get_date (message);
+
+    if (date < thread->oldest || ! thread->has_message)
+	thread->oldest = date;
+
+    if (date > thread->newest || ! thread->has_message)
+	thread->newest = date;
+
+    thread->has_message = 1;
 }
 
 const char *
@@ -101,6 +130,18 @@ notmuch_thread_get_subject (notmuch_thread_t *thread)
     return thread->subject;
 }
 
+time_t
+notmuch_thread_get_oldest_date (notmuch_thread_t *thread)
+{
+    return thread->oldest;
+}
+
+time_t
+notmuch_thread_get_newest_date (notmuch_thread_t *thread)
+{
+    return thread->newest;
+}
+
 notmuch_tags_t *
 notmuch_thread_get_tags (notmuch_thread_t *thread)
 {