* Completed the WebCit UI functions to view a historical version of a wiki page.

diff --git a/webcit/wiki.c b/webcit/wiki.c
index f0287eb0667c028c35824e465e54b9488e533d87..3ed3a4003b9e58e2df3344b44e38aebcf21c1ab2 100644 (file)
--- a/webcit/wiki.c
+++ b/webcit/wiki.c
@@ -38,6 +38,7 @@ void display_wiki_page_backend(const StrBuf *roomname, char *pagename, char *rev
 {
        const StrBuf *Mime;
        long msgnum = (-1L);
+       char buf[256];
 
        str_wiki_index(pagename);
 
@@ -65,8 +66,21 @@ void display_wiki_page_backend(const StrBuf *roomname, char *pagename, char *rev
                strcpy(pagename, "home");
        }
 
-       /* Found it!  Now read it.   FIXME this is where we have to add the ability to read an old rev */
-       msgnum = locate_message_by_uid(pagename);
+       /* Found it!  Now read it. */
+
+       if ((rev != NULL) && (strlen(rev) > 0)) {
+               /* read an older revision */
+               serv_printf("WIKI rev|%s|%s|fetch", pagename, rev);
+               serv_getln(buf, sizeof buf);
+               if (buf[0] == '2') {
+                       msgnum = extract_long(&buf[4], 0);
+               }
+       }
+       else {
+               /* read the current revision? */
+               msgnum = locate_message_by_uid(pagename);
+       }
+
        if (msgnum >= 0L) {
                read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
                return;
@@ -239,5 +253,6 @@ InitModule_WIKI
 
        WebcitAddUrlHandler(HKEY("wiki"), "", 0, display_wiki_page, 0);
        WebcitAddUrlHandler(HKEY("wiki_history"), "", 0, display_wiki_history, 0);
+       /* WebcitAddUrlHandler(HKEY("wiki_revert"), "", 0, wiki_revert, 0); FIXME implement this */
        RegisterNamespace("WIKI:DISPLAYHISTORY", 0, 0, tmplput_display_wiki_history, NULL, CTX_NONE);
 }