* more work on the wiki history code

diff --git a/citadel/modules/wiki/serv_wiki.c b/citadel/modules/wiki/serv_wiki.c
index 507a07a7fbef127247f98f6d2dc099eb96ec05a7..871650691a698e6f8e207fa8c20bda1b45ccd1db 100644 (file)
--- a/citadel/modules/wiki/serv_wiki.c
+++ b/citadel/modules/wiki/serv_wiki.c
@@ -54,6 +54,8 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
        struct CitContext *CCC = CC;
        long old_msgnum = (-1L);
        struct CtdlMessage *old_msg = NULL;
+       long history_msgnum = (-1L);
+       struct CtdlMessage *history_msg = NULL;
        char diff_old_filename[PATH_MAX];
        char diff_new_filename[PATH_MAX];
        char diff_cmd[PATH_MAX];
@@ -61,6 +63,8 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
        char *s;
        char buf[1024];
        int rv;
+       char history_page[1024];
+       char boundary[256];
 
        if (!CCC->logged_in) return(0); /* Only do this if logged in. */
 
@@ -81,6 +85,7 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
        /* See if we can retrieve the previous version. */
        old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CCC->room);
        if (old_msgnum <= 0L) return(0);
+       snprintf(history_page, sizeof history_page, "%s_HISTORY_", msg->cm_fields['E']);
 
        old_msg = CtdlFetchMessage(old_msgnum, 1);
        if (old_msg == NULL) return(0);
@@ -123,6 +128,40 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
 
        unlink(diff_old_filename);
        unlink(diff_new_filename);
+
+       /* Now look for the existing edit history */
+
+       history_msgnum = locate_message_by_euid(history_page, &CCC->room);
+       history_msg = NULL;
+       if (history_msgnum > 0L) {
+               history_msg = CtdlFetchMessage(old_msgnum, 1);
+       }
+
+       /* Create a new history message if necessary */
+       if (history_msg == NULL) {
+               history_msg = malloc(sizeof(struct CtdlMessage));
+               memset(history_msg, 0, sizeof(struct CtdlMessage));
+               history_msg->cm_magic = CTDLMESSAGE_MAGIC;
+               history_msg->cm_anon_type = MES_NORMAL;
+               history_msg->cm_format_type = FMT_RFC822;
+               history_msg->cm_fields['A'] = strdup("Citadel");
+               history_msg->cm_fields['R'] = strdup(CCC->room.QRname);
+               snprintf(boundary, sizeof boundary, "Citadel--Multipart--%04x--%08lx", getpid(), time(NULL));
+               history_msg->cm_fields['M'] = malloc(1024);
+               snprintf(history_msg->cm_fields['M'], 1024,
+                       "Content-type: multipart/mixed; boundary=\"%s\"\n"
+                       "This is a Citadel wiki history encoded as multipart MIME.\n"
+                       "--%s--\n"
+                       ,
+                       boundary, boundary
+               );
+       }
+
+       /* Update the history message (regardless of whether it's new or existing) */
+
+       /* FIXME */
+
+       free(history_msg);
        return(0);
 }