<?php
require_once("include/globals.php");

if (SessionActive() != 1 || ! UserLoggedIn()) {
   header("Location: /");
   exit();
}


//
// Process all actions to list and edit records
//
$CurrentTable = "help_page_links";
$DeleteField  = "script_file_name";
$dSeparator   = " ";
$FormFile     = "help_page_links.form.php";
$TitleText    = "Page Link";
$OrderBy      = "script_file_name";
$Sequence     = 'N';

// Start the template and output buffering
startTemplate();
$templatePageTitle = "$TitleText " . getLanguageText('TEXT-ADMINISTRATION');


// Ensure that only valid user types have access to this module
$AllowedUserTypes = array('SuperUser');
if (checkPermission($AllowedUserTypes) != 1) {
   $error_message = getLanguageText('ERRORMSG-ACCESS-DENIED');
   $action = '';
   $naction = '';
   header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
   exit();
}


$naction = "";
if (array_key_exists('naction',$_GET)) $naction = $_GET['naction'];
if (array_key_exists('naction',$_POST)) $naction = $_POST['naction'];


switch (strtolower($naction)) {
   case "add":
      $next_naction = "insert";

      include $FormFile;
      break;

   case "insert":
      extract($_POST);

      // Get new sequence number
      if ($Sequence == 'Y') {
         $query = "select max(sequence) sequence " .
                  "from $CurrentTable";
         $results = db_query($query);
         $row = db_fetch_array($results);
         $sequence = intval($row['sequence']) + 1;
      }

      $table = new Table("$CurrentTable");
      $query = $table->BuildInsert();
      db_query($query);

      $form_message = getLanguageText('RECORD-INSERTED-MSG');
      $naction = 'list';
      header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
      exit();

   case "edit":
      $next_naction = "update";

      // Get current record
      $record_num = intval($_GET['record_num']);
      $query = "select * from $CurrentTable where record_num = $record_num";
      $results = db_query($query);
      if (db_num_rows($results) == 1) {
         $row = db_fetch_array($results);
         extract($row);
         include $FormFile;
      }
      else {
         $error_message = getLanguageText('ERRORMSG-NOT-FOUND');
         $naction = 'list';
         header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
         exit();
      }
      break;

   case "update":
      extract($_POST);
      $table = new Table("$CurrentTable");
      $query = $table->BuildUpdate();
      db_query($query);

      $form_message = getLanguageText('RECORD-UPDATED-MSG');
      $naction = "list";
      header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
      exit();

   case "delete":
      $record_num = intval($_GET['record_num']);

      // Check if there are help documents in this category
      $query = "select count(*) num from help_documents " .
               "where category_num = $record_num";
      $count = db_getVal($query);

      if ($count > 0) {
         $error_message = "Error: This category has documents in it.  Unable to delete";
         $naction = 'list';
         break;
      }

      $query = "select * from $CurrentTable where record_num = $record_num";
      $results = db_query($query);
      if (db_num_rows($results) == 1) {
         $row = db_fetch_array($results);
         extract($row);

         $dFields = explode(",",$DeleteField);
         $dTitle = "$TitleText ";
         for ($i = 0; $i < count($dFields); $i++) {
            $dTitle .= $row[$dFields[$i]] . $dSeparator;
         }

         include "delete.form.php";
      }
      else {
         $error_message = getLanguageText('ERRORMSG-NOT-FOUND');
         $naction = 'list';
         header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
         exit();
      }
      break;

   case "delete-confirmed":
      $record_num = intval($_GET['record_num']);

      // Delete the current record
      $query = "delete from $CurrentTable where record_num = $record_num";
      db_query($query);

      $form_message = getLanguageText('RECORD-DELETED-MSG');
      $naction = "list";
      header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
      exit();

   case "save-sort":
      // Parse the hidden fields to update the sort sequence in the database
      if (array_key_exists('row_sequence',$_POST) && strlen($_POST['row_sequence']) > 0) {
         // Update the sequence to avoid duplicate keys
         db_query("UPDATE $CurrentTable SET sequence = sequence + 1000 WHERE school_num = $school_num");

         $row_sequence = db_escape_string(trim($_POST['row_sequence'], ", "));
         $item_sequence = explode(',',$row_sequence);
         for ($i = 0; $i < count($item_sequence); $i++) {
            if (array_key_exists($i,$item_sequence)) {
               $rnum = $item_sequence[$i];
               $sequence = $i + 1;
               $query = "update $CurrentTable set sequence = $sequence where record_num = $rnum";
               db_query($query);
            }
         }
      }

      $form_message = getLanguageText('RECORDS-SORTED-MSG');
      $naction = 'list';
      header("Location: /?action=$action&naction=$naction&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
      exit();

   default:
      $naction = "list";
      break;
}


//
// List all records if naction is "list"
//
if ($naction == "list") {
   if ($Sequence == 'Y') {
      // Resequence the records
      $query = "select * from $CurrentTable " .
               "where sequence > 0 " .
               "order by sequence";
      $results = db_query($query);
      if (db_num_rows($results)) {
         $count = 1;
         while ($row = db_fetch_array($results)) {
            $rnum = $row['record_num'];
            $query = "update $CurrentTable set sequence = $count where record_num = $rnum";
            db_query($query);
            $count++;
         }
      }
   }

   $scriptName = str_replace("/m/data1/app.hotlunches.net/","",__FILE__);
   include "help.docs.php";

   // Get records to display
   $columnHeaders = array("Script Name","Help Document");
   $columnHeaders = array(getLanguageText('TEXT-FILE-NAME'),
                          getLanguageText('TEXT-HELP-DOCUMENT')
                          );
   $columnAlign   = array('left','left');
   $query = "select hpl.script_file_name,hd.title,hpl.record_num " .
            "from help_page_links as hpl join help_documents as hd on hd.record_num = hpl.help_doc_num " .
            "order by 1";
   $results = db_query($query);

   $message_width = $default_data_width;
   include "form.messages.php";

   echo("<center>\n");
   echo("<p><b>$TitleText List</b></p>\n");

   listData($results,$columnHeaders,$action,array(),'Y',$columnAlign);

   echo("</center>\n");
}

endTemplate();
?>