ambiguous_page();
    return;
  }
  rc = name_to_uuid(&uuid, -1, "*");
  if( rc==1 ){
    if( validate16(zName, nLen) ){
      if( db_exists("SELECT 1 FROM ticket WHERE tkt_uuid GLOB '%q*'", zName) ){
        cgi_set_parameter_nocopy("tl","1",0);
        tktview_page();
        return;
      }
      if( db_exists("SELECT 1 FROM tag"
                    " WHERE tagname GLOB 'event-%q*'", zName) ){
        event_page();
        return;

    @ mUsed = %d(aField[i].mUsed);
  }
  @ </ul></div>
}

/*
** WEBPAGE: tktview
** URL:  tktview?name=HASH
**
** View a ticket identified by the name= query parameter.
** Other query parameters:
**
**      tl               Show a timeline of the ticket above the status
*/
void tktview_page(void){
  const char *zScript;
  char *zFullName;
  const char *zUuid = PD("name","");
  int showTimeline = P("tl")!=0;

  login_check_credentials();
  if( !g.perm.RdTkt ){ login_needed(g.anon.RdTkt); return; }
  if( g.anon.WrTkt || g.anon.ApndTkt ){
    style_submenu_element("Edit", "%s/tktedit?name=%T", g.zTop, PD("name",""));
  }
  if( g.perm.Hyperlink ){
    style_submenu_element("History", "%s/tkthistory/%T", g.zTop, zUuid);

    style_submenu_element("Check-ins", "%s/tkttimeline/%T?y=ci", g.zTop, zUuid);
  }
  if( g.anon.NewTkt ){
    style_submenu_element("New Ticket", "%s/tktnew", g.zTop);
  }
  if( g.anon.ApndTkt && g.anon.Attach ){
    style_submenu_element("Attach", "%s/attachadd?tkt=%T&from=%s/tktview/%t",
        g.zTop, zUuid, g.zTop, zUuid);
  }
  if( P("plaintext") ){
    style_submenu_element("Formatted", "%R/tktview/%s", zUuid);
  }else{
    style_submenu_element("Plaintext", "%R/tktview/%s?plaintext", zUuid);
  }
  style_header("View Ticket");
  if( showTimeline ){
    int tagid = db_int(0,"SELECT tagid FROM tag WHERE tagname GLOB 'tkt-%q*'",
                       zUuid);
    if( tagid ){
      tkt_draw_timeline(tagid, "a");
      @ <hr>
    }else{
      showTimeline = 0;
    }
  }
  if( !showTimeline && g.perm.Hyperlink ){
    style_submenu_element("Timeline", "%s/info/%T", g.zTop, zUuid);
  }
  if( g.thTrace ) Th_Trace("BEGIN_TKTVIEW<br />\n", -1);
  ticket_init();
  initializeVariablesFromCGI();
  getAllTicketFields();
  initializeVariablesFromDb();
  zScript = ticket_viewpage_code();
  if( P("showfields")!=0 ) showAllFields();

                       "table containing all required fields");
      }
    }
    sqlite3_close(db);
  }
  return zErr;
}

/*
** Draw a timeline for a ticket with tag.tagid given by the tagid
** parameter.
*/
void tkt_draw_timeline(int tagid, const char *zType){
  Stmt q;
  char *zFullUuid;
  char *zSQL;
  zFullUuid = db_text(0, "SELECT substr(tagname, 5) FROM tag WHERE tagid=%d",
                         tagid);
  if( zType[0]=='c' ){
    zSQL = mprintf(
         "%s AND event.objid IN "
         "   (SELECT srcid FROM backlink WHERE target GLOB '%.4s*' "
                                         "AND '%s' GLOB (target||'*')) "
         "ORDER BY mtime DESC",
         timeline_query_for_www(), zFullUuid, zFullUuid
    );
  }else{
    zSQL = mprintf(
         "%s AND event.objid IN "
         "  (SELECT rid FROM tagxref WHERE tagid=%d"
         "   UNION SELECT srcid FROM backlink"
                  " WHERE target GLOB '%.4s*'"
                  "   AND '%s' GLOB (target||'*')"
         "   UNION SELECT attachid FROM attachment"
                  " WHERE target=%Q) "
         "ORDER BY mtime DESC",
         timeline_query_for_www(), tagid, zFullUuid, zFullUuid, zFullUuid
    );
  }
  db_prepare(&q, "%z", zSQL/*safe-for-%s*/);
  www_print_timeline(&q, TIMELINE_ARTID|TIMELINE_DISJOINT|TIMELINE_GRAPH,
                     0, 0, 0, 0, 0, 0);
  db_finalize(&q);
  fossil_free(zFullUuid);
}

/*
** WEBPAGE: tkttimeline
** URL: /tkttimeline?name=TICKETUUID&y=TYPE
**
** Show the change history for a single ticket in timeline format.
*/
void tkttimeline_page(void){

  char *zTitle;

  const char *zUuid;

  int tagid;
  char zGlobPattern[50];
  const char *zType;

  login_check_credentials();
  if( !g.perm.Hyperlink || !g.perm.RdTkt ){
    login_needed(g.anon.Hyperlink && g.anon.RdTkt);

  canonical16(zGlobPattern, strlen(zGlobPattern));
  tagid = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'tkt-%q*'",zUuid);
  if( tagid==0 ){
    @ No such ticket: %h(zUuid)
    style_footer();
    return;
  }

  tkt_draw_timeline(tagid, zType);

























  style_footer();
}

/*
** WEBPAGE: tkthistory
** URL: /tkthistory?name=TICKETUUID
**