* Parts of the wiki history reverter code

diff --git a/citadel/modules/wiki/serv_wiki.c b/citadel/modules/wiki/serv_wiki.c
index cf14f9df9aa7132d66bdaaf06c948b7c8edc10f6..3dd288ba2eff42986d94c72ef3f1e673e2c0d125 100644 (file)
--- a/citadel/modules/wiki/serv_wiki.c
+++ b/citadel/modules/wiki/serv_wiki.c
@@ -371,7 +371,9 @@ void wiki_rev(char *pagename, char *rev)
        int r;
        char history_page_name[270];
        long msgnum;
+       char temp[PATH_MAX];
        struct CtdlMessage *msg;
+       FILE *fp;
 
        r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
        if (r != om_ok) {
@@ -384,6 +386,44 @@ void wiki_rev(char *pagename, char *rev)
                return;
        }
 
+       /* Begin by fetching the current version of the page.  We're going to patch
+        * backwards through the diffs until we get the one we want.
+        */
+       msgnum = locate_message_by_euid(pagename, &CC->room);
+       if (msgnum > 0L) {
+               msg = CtdlFetchMessage(msgnum, 1);
+       }
+       else {
+               msg = NULL;
+       }
+
+       if ((msg != NULL) && (msg->cm_fields['M'] == NULL)) {
+               CtdlFreeMessage(msg);
+               msg = NULL;
+       }
+
+       if (msg == NULL) {
+               cprintf("%d Page '%s' was not found.\n", ERROR+MESSAGE_NOT_FOUND, pagename);
+               return;
+       }
+
+       /* Output it to a file... */
+
+       CtdlMakeTempFileName(temp, sizeof temp);
+       fp = fopen(temp, "w");
+       if (fp != NULL) {
+               r = fwrite(msg->cm_fields['M'], strlen(msg->cm_fields['M']), 1, fp);
+               fclose(fp);
+       }
+       else {
+               CtdlLogPrintf(CTDL_ALERT, "Cannot open %s: %s\n", temp, strerror(errno));
+       }
+       CtdlFreeMessage(msg);
+
+       /* Now go get the revision history and patch backwards through the diffs until
+        * we get to the revision we want.
+        */
+
        snprintf(history_page_name, sizeof history_page_name, "%s_HISTORY_", pagename);
        msgnum = locate_message_by_euid(history_page_name, &CC->room);
        if (msgnum > 0L) {
@@ -452,7 +492,7 @@ CTDL_MODULE_INIT(wiki)
        if (!threading)
        {
                CtdlRegisterMessageHook(wiki_upload_beforesave, EVT_BEFORESAVE);
-               CtdlRegisterProtoHook(cmd_wiki, "WIKI", "Commands related to Wiki management");
+               CtdlRegisterProtoHook(cmd_wiki, "WIKI", "Commands related to Wiki management");
        }
 
        /* return our Subversion id for the Log */