Fossil

**
** Render a timeline with all check-ins that contain non-propagating
** symbolic tags.
**
** Query parameters:
**
**     ng            No graph
**     nohidden      Hide check-ins with "hidden" tag
**     onlyhidden    Show only check-ins with "hidden" tag
**     brbg          Background color by branch name
**     ubg           Background color by user name
*/
void tagtimeline_page(void){
  Blob sql = empty_blob;
  Stmt q;
  int tmFlags;                            /* Timeline display flags */
  int fNoHidden = PB("nohidden")!=0;      /* The "nohidden" query parameter */
  int fOnlyHidden = PB("onlyhidden")!=0;  /* The "onlyhidden" query parameter */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }

  style_header("Tagged Check-ins");
  style_submenu_element("List", "taglist");
  login_anonymous_available();
  timeline_ss_submenu();
  cookie_render();
  @ <h2>Check-ins with non-propagating tags:</h2>
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql,
    "AND blob.rid IN (SELECT rid FROM tagxref"
    "                  WHERE tagtype=1 AND srcid>0"
    "                    AND tagid IN (SELECT tagid FROM tag "
    "                                   WHERE tagname GLOB 'sym-*'))");
  if( fNoHidden || fOnlyHidden ){
    const char* zUnaryOp = fNoHidden ? "NOT" : "";
    blob_append_sql(&sql,
      " AND %s EXISTS(SELECT 1 FROM tagxref"
      " WHERE tagid=%d AND tagtype>0 AND rid=blob.rid)\n",
      zUnaryOp/*safe-for-%s*/, TAG_HIDDEN);
  }
  db_prepare(&q, "%s ORDER BY event.mtime DESC /*sort*/", blob_sql_text(&sql));
  blob_reset(&sql);