webcit/wiki.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions pertaining to rooms with a wiki view
   5  */
   6
   7 #include "webcit.h"
   8 #include "groupdav.h"
   9
  10 /*
  11  * Convert a string to something suitable as a wiki index
  12  */
  13 void str_wiki_index(char *s)
  14 {
  15         int i;
  16
  17         if (s == NULL) return;
  18
  19         /* First remove all non-alphanumeric characters */
  20         for (i=0; i<strlen(s); ++i) {
  21                 if (!isalnum(s[i])) {
  22                         strcpy(&s[i], &s[i+1]);
  23                 }
  24         }
  25
  26         /* Then make everything lower case */
  27         for (i=0; i<strlen(s); ++i) {
  28                 s[i] = tolower(s[i]);
  29         }
  30 }
  31
  32 /*
  33  * Display a specific page from a wiki room
  34  */
  35 void display_wiki_page_backend(const StrBuf *roomname, char *pagename)
  36 {
  37         const StrBuf *Mime;
  38         long msgnum = (-1L);
  39
  40         str_wiki_index(pagename);
  41
  42         if (StrLength(roomname) > 0) {
  43
  44                 /* If we're not in the correct room, try going there. */
  45                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  46                         gotoroom(roomname);
  47                 }
  48
  49                 /* If we're still not in the correct room, it doesn't exist. */
  50                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
  51                         wc_printf(_("There is no room called '%s'."), ChrPtr(roomname));
  52                         return;
  53                 }
  54
  55         }
  56
  57         if (WC->wc_view != VIEW_WIKI) {
  58                 wc_printf(_("'%s' is not a Wiki room."), ChrPtr(roomname));
  59                 return;
  60         }
  61
  62         if (IsEmptyStr(pagename)) {
  63                 strcpy(pagename, "home");
  64         }
  65
  66         /* Found it!  Now read it. */
  67         msgnum = locate_message_by_uid(pagename);
  68         if (msgnum >= 0L) {
  69                 read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
  70                 return;
  71         }
  72
  73         wc_printf("<br /><br />"
  74                 "<div align=\"center\">"
  75                 "<table border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"10\">"
  76                 "<tr><td align=\"center\">"
  77         );
  78         wc_printf("<br><b>");
  79         wc_printf(_("There is no page called '%s' here."), pagename);
  80         wc_printf("</b><br><br>");
  81         wc_printf(_("Select the 'Edit this page' link in the room banner "
  82                 "if you would like to create this page."));
  83         wc_printf("<br><br>");
  84         wc_printf("</td></tr></table></div>\n");
  85 }
  86
  87
  88 /*
  89  * Display a specific page from a wiki room
  90  */
  91 void display_wiki_page(void)
  92 {
  93         const StrBuf *roomname;
  94         char pagename[128];
  95
  96         output_headers(1, 1, 1, 0, 0, 0);
  97         roomname = sbstr("room");
  98         safestrncpy(pagename, bstr("page"), sizeof pagename);
  99         display_wiki_page_backend(roomname, pagename);
 100         wDumpContent(1);
 101 }
 102
 103
 104 /*
 105  * Display the revision history for a wiki page (template callback)
 106  */
 107 void tmplput_display_wiki_history(StrBuf *Target, WCTemplputParams *TP)
 108 {
 109         const StrBuf *roomname;
 110         char pagename[128];
 111         StrBuf *Buf;
 112         int row = 0;
 113
 114         roomname = sbstr("room");
 115         safestrncpy(pagename, bstr("page"), sizeof pagename);
 116         str_wiki_index(pagename);
 117
 118         if (StrLength(roomname) > 0) {
 119
 120                 /* If we're not in the correct room, try going there. */
 121                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
 122                         gotoroom(roomname);
 123                 }
 124
 125                 /* If we're still not in the correct room, it doesn't exist. */
 126                 if (strcasecmp(ChrPtr(roomname), ChrPtr(WC->wc_roomname))) {
 127                         wc_printf(_("There is no room called '%s'."), ChrPtr(roomname));
 128                         return;
 129                 }
 130
 131         }
 132
 133         serv_printf("WIKI history|%s", pagename);
 134         Buf = NewStrBuf();
 135         StrBuf_ServGetln(Buf);
 136         if (GetServerStatus(Buf, NULL) == 1) {
 137
 138                 time_t rev_date;
 139                 char rev_date_displayed[64];
 140                 StrBuf *rev_uuid = NewStrBuf();
 141                 StrBuf *author = NewStrBuf();
 142                 StrBuf *node = NewStrBuf();
 143
 144                 wc_printf("<div class=\"fix_scrollbar_bug\">"
 145                         "<table class=\"wiki_history_background\">"
 146                 );
 147
 148                 wc_printf("<th>%s</th>", _("Date"));
 149                 wc_printf("<th>%s</th>", _("Author"));
 150
 151                 while(StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000")) {
 152
 153                         StrBufExtract_token(rev_uuid, Buf, 0, '|');
 154                         rev_date = extract_long(ChrPtr(Buf), 1);
 155                         webcit_fmt_date(rev_date_displayed, sizeof rev_date_displayed, rev_date, DATEFMT_FULL);
 156                         StrBufExtract_token(author, Buf, 2, '|');
 157                         StrBufExtract_token(node, Buf, 3, '|');
 158
 159                         wc_printf("<tr bgcolor=\"%s\">", (row ? "#FFFFFF" : "#DDDDDD"));
 160                         row = 1 - row;
 161                         wc_printf("<td>%s</td><td>", rev_date_displayed);
 162
 163                         if (!strcasecmp(ChrPtr(node), (char *)WC->serv_info->serv_nodename)) {
 164                                 escputs(ChrPtr(author));
 165                                 wc_printf(" @ ");
 166                                 escputs(ChrPtr(node));
 167                         }
 168                         else {
 169                                 wc_printf("<a href=\"showuser?who=");
 170                                 urlescputs(ChrPtr(author));
 171                                 wc_printf("\">");
 172                                 escputs(ChrPtr(author));
 173                                 wc_printf("</a>");
 174                         }
 175
 176                         wc_printf("</td><td><a href=\"wiki?page=%s?rev=%s\">%s</a></td>",
 177                                 bstr("page"),
 178                                 ChrPtr(rev_uuid),
 179                                 _("(show)")
 180                         );
 181                         wc_printf("</td><td><a href=\"wiki_revert?page=%s?rev=%s\">%s</a></td>",
 182                                 bstr("page"),
 183                                 ChrPtr(rev_uuid),
 184                                 _("(revert)")
 185                         );
 186                         wc_printf("</tr>\n");
 187                 }
 188
 189                 wc_printf("</table>\n");
 190                 FreeStrBuf(&author);
 191                 FreeStrBuf(&node);
 192                 FreeStrBuf(&rev_uuid);
 193         }
 194         else {
 195                 wc_printf("%s", ChrPtr(Buf));
 196         }
 197
 198         FreeStrBuf(&Buf);
 199 }
 200
 201
 202
 203 /*
 204  * Display the revision history for a wiki page
 205  */
 206 void display_wiki_history(void)
 207 {
 208         output_headers(1, 1, 1, 0, 0, 0);
 209         do_template("wiki_history", NULL);
 210         wDumpContent(1);
 211 }
 212
 213
 214 int wiki_Cleanup(void **ViewSpecific)
 215 {
 216         char pagename[5];
 217         safestrncpy(pagename, "home", sizeof pagename);
 218         display_wiki_page_backend(WC->wc_roomname, pagename);
 219         wDumpContent(1);
 220         return 0;
 221 }
 222
 223 void
 224 InitModule_WIKI
 225 (void)
 226 {
 227         RegisterReadLoopHandlerset(
 228                 VIEW_WIKI,
 229                 NULL,
 230                 NULL,
 231                 NULL,
 232                 NULL,
 233                 wiki_Cleanup
 234         );
 235
 236         WebcitAddUrlHandler(HKEY("wiki"), "", 0, display_wiki_page, 0);
 237         WebcitAddUrlHandler(HKEY("wiki_history"), "", 0, display_wiki_history, 0);
 238         RegisterNamespace("WIKI:DISPLAYHISTORY", 0, 0, tmplput_display_wiki_history, NULL, CTX_NONE);
 239 }