<?php
$ValidAccess = 2010;
require_once("include/globals.php");


if (SessionActive() != 1 || ! UserLoggedIn()) {
   logExit("Session is not active");
   exit();
}

include "include/ajax.csrfToken.php";


// Set default timezone
date_default_timezone_set("Canada/Pacific");
$now = date("Y-m-d H:i:s",time());

$return_data = array();

$moduleName = "ajax.UpdateDBField.php";
// if ($_SESSION['UserInfo']['type'] == 'SuperUser') startLog($moduleName);


// Get parameters
if (array_key_exists('table_name', $_GET)) $table_name = db_escape_string($_GET['table_name']);
if (array_key_exists('field_name', $_GET)) $field_name = db_escape_string($_GET['field_name']);
if (array_key_exists('field_value', $_GET)) $field_value = db_escape_string($_GET['field_value']);
if (array_key_exists('field_type', $_GET)) $field_type = db_escape_string($_GET['field_type']);
if (array_key_exists('record_num', $_GET)) $record_num = intval($_GET['record_num']);


// Ensure parameters are valid
if (!is_numeric($school_num)) logExit("School num is not numeric");
if ($school_num == 0) logExit("school_num is zero");
if (!isset($table_name)) logExit("ajax.UpdateDBField.php - table_name is not set");
if (!isset($field_name)) logExit("ajax.UpdateDBField.php - field_name is not set");

$field_name = str_replace('-','_',$field_name);

writeLog("table_name: $table_name");
writeLog("field_name: $field_name");
if (isset($field_value)) writeLog("field_value: $field_value");
writeLog("record_num: $record_num");


if (!isset($field_type)) $field_type = 'string';
$return_data['new_value'] = $field_value;
$return_data['new_value_text'] = $field_value;


//
// Special preprocessing and validation
//
$query = "SELECT * FROM $table_name WHERE school_num = $school_num AND record_num = $record_num";
$results = db_query($query);
if (db_num_rows($results) == 0) logExit("ajax.UpdateDBField.php - $table_name validation failure");


switch ($field_type) {
   case 'numeric':
      $field_value = preg_replace("/[^0-9]/", "", $field_value);
      $return_data['new_value'] = $field_value;
      $return_data['new_value_text'] = $field_value;
      break;

   case 'decimal':
   case 'dollar':
      $field_value = preg_replace("/[^0-9.]/", "", $field_value);
      $field_value = number_format(floatval($field_value),2);
      $return_data['new_value'] = $field_value;
      $return_data['new_value_text'] = $field_value;

      if ($field_type == 'dollar') {
         $return_data['new_value'] = $currencySymbol . $field_value;
         $return_data['new_value_text'] = $currencySymbol . $field_value;
      }
      break;

   case 'string':
   case 'text':
   default:
      switch ($field_value) {
         case 'Y':
            $return_data['new_value_text'] = getLanguageText('TEXT-Y');
            break;
         case 'N':
            $return_data['new_value_text'] = getLanguageText('TEXT-N');
            break;
         case 'Visible':
         case 'visible':
            $return_data['new_value_text'] = getLanguageText('TEXT-VISIBLE');
            break;
         case 'Hidden':
         case 'hidden':
            $return_data['new_value_text'] = getLanguageText('TEXT-HIDDEN');
            break;
      }
      break;
}

switch ($field_type) {
   case 'numeric':
   case 'decimal':
   case 'dollar':
      $field_value = preg_replace("/[^0-9.]/", "", $field_value);
      $query = "UPDATE $table_name SET $field_name = $field_value WHERE record_num = $record_num";
      writeLog("query: $query");
      db_query($query);
      break;

   default:
      $query = "UPDATE $table_name SET $field_name = '$field_value' WHERE record_num = $record_num";
      writeLog("query: $query");
      db_query($query);
      break;
}


//
// hotlunch_menu_items table special processing
//
if ($table_name == 'hotlunch_menu_items') {
   $query = "SELECT * FROM hotlunch_menu_items WHERE school_num = $school_num AND record_num = $record_num";
   $rs = db_query($query);
   $row = db_fetch_assoc($rs);
   $row['logged_datetime'] = date("Y-m-d H:i:s",time());
   $row['original_record_num'] = $record_num;
   $row['record_action'] = 'Update';
   if (!array_key_exists('food_category', $row)) $row['food_category'] = 'General';

   $ltable = new Table("hotlunch_menu_items_log");
   $query = $ltable->BuildInsert($row);
   db_query($query);

   $menu_num = $row['menu_num'];
   $LinkedMenus = array();
   $query = "SELECT record_num FROM hotlunch_menu_dates WHERE school_num = $school_num AND menu_link != 'No' AND source_menu = $menu_num";
   $rs = db_query($query);
   while ($r = db_fetch_assoc($rs)) {
      $LinkedMenus[] = $r['record_num'];
   }

   $LinkedItems = array();
   $return_data['linked'] = "";

   if (count($LinkedMenus)) {
      $linkedMenus = implode(',',$LinkedMenus);

      // Get set of linked items
      $query = "SELECT record_num FROM hotlunch_menu_items WHERE school_num = $school_num AND source_item = $record_num AND menu_num IN ($linkedMenus)";
      writeLog($query);
      $rs = db_query($query);
      while ($row = db_fetch_assoc($rs)) {
         $LinkedItems[] = $row['record_num'];
      }
      $return_data['linked'] = $LinkedItems;

      if ($field_type == 'numeric' || $field_type == 'decimal') {
         $query = "UPDATE $table_name SET $field_name = $field_value WHERE school_num = $school_num AND source_item = $record_num AND menu_num IN ($linkedMenus)";
      }
      else {
         $query = "UPDATE $table_name SET $field_name = '$field_value' WHERE school_num = $school_num AND source_item = $record_num AND menu_num IN ($linkedMenus)";
      }

      writeLog("query: $query");
      db_query($query);
   }
}


writeLog("new_value: ".$return_data['new_value']);
writeLog("new_value_text: ".$return_data['new_value_text']);
$return_data['rows_updated'] = db_affected_rows();

writeLog("completed");

$return_data["flag"] = $field_value;
echo(json_encode($return_data));
?>