<?
//
// AJAX request handler backend module
//
$sessionType = "admin";
require "mconfig.inc.php";
require "msite.inc.php";
require "msession.inc.php";

// Check if we are allowed to execute
if (!stCheckHTTPS() || !stAdmSessionAuth())
{
  stSetupCacheControl();

  stSessionEnd(SESS_ADMIN);

  header("Location: news");
  exit;
}

stSetupCacheControl();

// Initiate SQL database connection
if (!stConnectSQLDB())
  die("Could not connect to SQL database.");

// Fetch non-"hardcoded" settings from SQL database
stReloadSettings();


function saveButton()
{
  return "<input type=\"submit\" value=\" Save \" />\n";
}


// XMLHttp responses
$action = "ERROR";
if (stChkRequestItem("action") && stChkRequestItem("type"))
{
  $action = $_REQUEST["action"];
  $type = $_REQUEST["type"];
}


switch ($action)
{
  case "dump":
    //
    // Perform generic data dump
    //
    if (($res = stExecSQLCond(
      "SELECT * FROM attendees WHERE email NOT NULL AND email != '' ORDER BY regtime DESC",
      "Dump OK.")) !== FALSE)
    {
      $out1 = array();
      $out2 = array();

      foreach ($res as $item)
      {
        $out1[] = $item["name"]." &lt;".$item["email"]."&gt;";
        $out2[] = $item["email"];
      }

      echo "<br /><hr />".
        implode(", ", $out1)."<br /><hr /><br />".
        implode("<br />", $out1)."<br /><hr /><br />".
        implode(", ", $out2)."<br /><hr /><br />".
        implode("<br />", $out2)."<br /><hr />";
      
    }
    break;

  case "get":
    //
    // Get specific data
    //
    switch ($type)
    {
      case "news":
        $sql = "SELECT * FROM news ORDER BY utime DESC";
        break;

      case "attendees":
        $sql = "SELECT * FROM attendees ORDER BY regtime DESC";
        break;

      case "compos":
        $sql = "SELECT * FROM compos ORDER BY id DESC";
        break;

      case "settings":
        $prefix = "st";

        echo
        "<h1>Site settings</h1>\n".
        "<table>\n";
        foreach (stExecSQL("SELECT * FROM settings WHERE vtype<>".VT_TEXT) as $item)
        {
          echo
          " <tr>\n".
          "  <td>";
          $id = $item["key"];
          switch ($item["vtype"])
          {
            case VT_INT:
              echo stGetFormTextInput(10, 10, "", $id, $prefix, $item["vint"]);
              break;
            case VT_STR:
              echo stGetFormTextInput(40, 128, "", $id, $prefix, $item["vstr"]);
              break;
            case VT_BOOL:
              echo stGetFormCheckBoxInput("", $id, $prefix, $item["vint"], "");
              break;
          }
          echo "</td>\n".
          "  <td>".$item["desc"]."</td>\n".
          " </tr>\n";
        }
        echo "</table>\n".saveButton();

        foreach (stExecSQL("SELECT * FROM settings WHERE vtype=".VT_TEXT) as $item)
        {
          echo "<h2>".chentities($item["desc"])."</h2>\n".
          stGetFormTextArea(10, 60, "", $item["key"], $prefix, $item["vtext"]).
          "\n<br />\n".saveButton();
        }
        break;
      
      case "entries":
        stGetCompoList(FALSE, FALSE);
        
        foreach ($compos as $id => $compo)
        {
          echo
            "<form>\n".
            " <table class=\"misc\">\n".
            "  <tr>\n".
            "   <th colspan=\"5\">#".$id." - ".chentities($compo["name"])."</th>\n".
            "  </tr>\n".
            "  <tr>\n".
            "   <th style=\"width:1%;\">Compo</th>\n".
            "   <th>Title</th>\n".
            "   <th>Author(s)</th>\n".
            "   <th>Filename</th>\n".
            "   <th>Actions</th>\n".
            "  </tr>\n";

          $prefix = "en";
          foreach ($compo["entries"] as $eid => $entry)
          {
            echo
              "  <tr id=\"entry".$eid."\">\n".
              "   <td>".stGetFormTextInput(5, 5, "compo_id", $eid, "en", $id)."</td>\n".
              "   <td>".stGetFormTextInput(30, 64, "name", $eid, "en", $entry["name"])."</td>\n".
              "   <td>".stGetFormTextInput(30, 64, "author", $eid, "en", $entry["author"])."</td>\n".
              "   <td>".stGetFormTextInput(20, 64, "filename", $eid, "en", $entry["filename"])."</td>\n".
              "   <td>".
              stGetFormButtonInput("update", $eid, $prefix, " Upd ", "updateEntry(".$eid.")").
              stGetFormButtonInput("delete", $eid, $prefix, " Del ", "deleteEntry(".$eid.")").
              "</td>\n".
              "  </tr>\n";
          }

          $prefix = "ne";
          echo
            "  <tr>\n".
            "   <td></td>\n".
            "   <td>".stGetFormTextInput(30, 64, "name", $id, "ne", "")."</td>\n".
            "   <td>".stGetFormTextInput(30, 64, "author", $id, "ne", "")."</td>\n".
            "   <td>".stGetFormTextInput(20, 64, "filename", $id, "ne", "")."</td>\n".
            "   <td>".stGetFormButtonInput("add", $id, $prefix, " Add new ", "addEntry(".$id.")")."</td>\n".
            "  </tr>\n".
            " </table>\n".
            "</form>\n";
        }
        break;
    }
    
    //
    // Perform query if we need to, output results
    //
    if (isset($sql) && ($res = stExecSQLCond($sql, "")) !== FALSE)
    {
      if ($type == "news")
      {
        foreach ($res as $item)
        {
          $id = $item["id"];
          stPrintNewsItem($item,
            "<br />".
            "  <button class=\"button\" id=\"ndel".$id.
            "\" type=\"button\" onclick=\"deleteNews(".$id.
            ")\">Delete</button>\n"
            );
        }
      }
      else
      if ($type == "attendees")
      {
        echo
        "<table class=\"attendees\">\n".
        " <tr>\n".
        "  <th class=\"name\">Name</th>\n".
        "  <th class=\"groups\">Groups</th>\n".
        "  <th class=\"regtime\">Registered</th>\n".
        "  <th class=\"oneliner\">Oneliner</th>\n".
        "  <th class=\"email\">E-mail</th>\n".
        "  <th>Actions</th>\n".
        " </tr>\n";
        $row = 0;
        foreach ($res as $item)
          stPrintAttendee($item, $row++, TRUE);

        $prefix = "ne";
        echo
          "</table>\n".
          "<hr />\n".
          "<table>\n".
          " <tr>\n".
          "  <th>Name</th>\n".
          "  <th>Groups</th>\n".
          "  <th>Oneliner</th>\n".
          "  <th>E-mail</th>\n".
          "  <th>Actions</th>\n".
          " </tr>\n".
          " <tr>\n".
          "  <td>".stGetFormTextInput(20, 64, "name", "x", $prefix, "")."</td>\n".
          "  <td>".stGetFormTextInput(20, 64, "groups", "x", $prefix, "")."</td>\n".
          "  <td>".stGetFormTextInput(30, 64, "oneliner", "x", $prefix, "")."</td>\n".
          "  <td>".stGetFormTextInput(20, 64, "email", "x", $prefix, "")."</td>\n".
          "  <td>".stGetFormButtonInput("add", "", $prefix, " Add new ", "addAttendee()")."</td>\n".
          " </tr>\n".
          "</table>\n";
      }
      else
      if ($type == "compos")
      {
        foreach ($res as $item)
        {
          $id = $item["id"];
          $prefix = "co";
          echo
          "<div id=\"compo".$id."\">\n".
          "<h2>#".$id." - ".chentities($item["name"])."</h2>\n".
          stGetFormTextInput(40, 64, "name", $id, $prefix, $item["name"])."\n".
          stGetFormCheckBoxInput("visible", $id, $prefix, $item["visible"], "Visible")."\n".
          stGetFormCheckBoxInput("showAuthors", $id, $prefix, $item["showAuthors"], "Show authors")."\n".
          stGetFormCheckBoxInput("voting", $id, $prefix, $item["voting"], "Enable voting")."<br />\n".
          stGetFormTextArea(5, 60, "description", $id, $prefix, $item["description"])."\n<br />\n".
          stGetFormButtonInput("update", $id, $prefix, " Update ", "updateCompo(".$id.")")."\n".
          "</div>\n".
          "<hr />\n";
        }
      }
    }
    break;

  case "delete":
    //
    // Delete entry
    //
    if (stChkRequestItem("id"))
    {
      $id = intval(stGetRequestItem("id"));

      if ($type == "news")
      {
        $sql = stPrepareSQL("DELETE FROM news WHERE id=%d AND persist=0", $id);
        stExecSQLCond($sql, "OK, news item ".$id." deleted.");
      }
      else
      if ($type == "attendees")
      {
        // Attendees require some more work
        $sql = stPrepareSQL("DELETE FROM attendees WHERE id=%d", $id);
        stExecSQLCond($sql, "OK, attendee ".$id." deleted.");

        $sql = stPrepareSQL("DELETE FROM votes WHERE voter_id=%d", $id);
        stExecSQLCond($sql, "OK, attendee ".$id." votes deleted.");
      }
      else
      if ($type == "entries")
      {
        // .. as do compo entries
        $sql = stPrepareSQL("DELETE FROM entries WHERE id=%d", $id);
        stExecSQLCond($sql, "OK, entry ".$id." deleted.");

        $sql = stPrepareSQL("DELETE FROM votes WHERE entry_id=%d", $id);
        stExecSQLCond($sql, "OK, entry ".$id." votes deleted.");
      }
    }
    else
      stSetStatus(901, "No ID specified.");
    break;

  case "add":
    //
    // Add new entry
    //
    if ($type == "news" && stChkRequestItem("text") &&
      stChkRequestItem("author") && stChkRequestItem("title"))
    {
      $sql = stPrepareSQL(
        "INSERT INTO news (utime,title,text,author) VALUES (%d,%S,%Q,%S)",
        time(), "title", "text", "author");

      stExecSQLCond($sql, "OK, news item added.");
    }
    else
    if ($type == "compo" && stChkRequestItem("name") &&
      stChkRequestItem("description"))
    {
      $sql = stPrepareSQL(
        "INSERT INTO compos (name,description,visible,voting,showAuthors) VALUES (%S,%Q,0,0,0)",
        "name", "description");

      stExecSQLCond($sql, "OK, compo added.");
    }
    else
    if ($type == "attendees" && stChkRequestItem("name") &&
      stChkRequestItem("groups") && stChkRequestItem("oneliner") &&
      stChkRequestItem("email"))
    {
      $sql = stPrepareSQL(
        "INSERT INTO attendees (regtime,name,groups,oneliner,email) VALUES (%d,%S,%S,%S,%S)",
        time(), "name", "groups", "oneliner", "email");

      stExecSQLCond($sql, "OK, attendee added.");
    }
    else
    if ($type == "entry" && stChkRequestItem("name") &&
      stChkRequestItem("author") && stChkRequestItem("compo_id"))
    {
      $sql = stPrepareSQL(
        "INSERT INTO entries (name,author,compo_id,filename) VALUES (%S,%S,%D,%S)",
        "name", "author", "compo_id", "filename");

      stExecSQLCond($sql, "OK, entry added.");
    }
    else
      stSetStatus(902, "No data.");
    break;

  case "update":
    //
    // Update existing entry
    //
    if ($type == "attendees" && stChkRequestItem("id") &&
      stChkRequestItem("email") && stChkRequestItem("oneliner") &&
      stChkRequestItem("active"))
    {
      $sql = stPrepareSQLUpdate("attendees",
        "WHERE id=".intval(stGetRequestItem("id")),
        array(
          "email" => "S",
          "oneliner" => "S",
          "active" => "B",
        ));

      stExecSQLCond($sql, "OK, attendee updated.");
    }
    else
    if ($type == "news" && stChkRequestItem("id") &&
      stChkRequestItem("text") && stChkRequestItem("author") &&
      stChkRequestItem("title"))
    {
      $sql = stPrepareSQLUpdate("news",
        "WHERE id=".intval(stGetRequestItem("id")),
        array(
          "title" => "S",
          "text" => "Q",
          "author" => "S"
        ));

      stExecSQLCond($sql, "OK, news item updated.");
    }
    else
    if ($type == "compo" && stChkRequestItem("id") &&
      stChkRequestItem("name") && stChkRequestItem("description") &&
      stChkRequestItem("visible") && stChkRequestItem("voting") &&
      stChkRequestItem("showAuthors"))
    {
      $sql = stPrepareSQLUpdate("compos",
        "WHERE id=".intval(stGetRequestItem("id")),
        array(
          "name" => "S",
          "description" => "Q",
          "visible" => "B",
          "voting" => "B",
          "showAuthors" => "B",
        ));

      stExecSQLCond($sql, "OK, compo updated.");
    }
    else
    if ($type == "entry" && stChkRequestItem("id") &&
      stChkRequestItem("name") && stChkRequestItem("author") &&
      stChkRequestItem("compo_id"))
    {
      $sql = stPrepareSQLUpdate("entries",
        "WHERE id=".intval(stGetRequestItem("id")),
        array(
          "name" => "S",
          "author" => "S",
          "filename" => "S",
          "compo_id" => "D",
        ));

      stExecSQLCond($sql, "OK, entry updated.");
    }
    else
    if ($type == "settings")
    {
      foreach (stExecSQL("SELECT * FROM settings") as $item)
      if (stChkRequestItem($item["key"]))
      {
        $val = stGetRequestItem($item["key"]);
        switch ($item["vtype"])
        {
          case VT_INT:  $vsql = stPrepareSQL("vint=%d", $val); break;
          case VT_BOOL: $vsql = stPrepareSQL("vint=%d", $val ? 1 : 0); break;
          case VT_STR:  $vsql = stPrepareSQL("vstr=%s", $val); break;
          case VT_TEXT: $vsql = stPrepareSQL("vtext=%s", $val); break;
        }
        
        $sql = "UPDATE settings SET ".$vsql." WHERE key=".$db->quote($item["key"]);
        stExecSQLCond($sql, "OK, setting updated.");
      }
    }
    else
      stSetStatus(902, "No data.");
    break;

  default:
    stSetStatus(404, "Not Found");
    break;
}

?>