<?php
$ValidAccess = 2010;

require_once("include/globals.php");


//
// Ensure that the user is logged in
//
if (SessionActive() != 1 || !UserLoggedIn()) {
   $error_message = getLanguageText('ERRORMSG-ACCESS-DENIED');
   $action = '';
   $naction = '';
   header("Location: /?action=$action&naction=$naction$headerArgs&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
   exit();
}


$school_name = $school_record['school_name'];
$report_title = getLanguageText('TEXT-ACTIVITY-LOG-REPORT')." - $school_name";
$document_name = getLanguageText('TEXT-ACTIVITY-LOG-REPORT');
$file_name = "activity.log.pdf";


unset($user_num);
unset($start_date);
unset($end_date);
unset($selected_userid);
unset($selected_ip);
unset($selected_activity);
unset($search_text);
if (array_key_exists('user_num',$_GET)) $user_num = intval($_GET['user_num']);
if (array_key_exists('start_date',$_GET)) $start_date = db_escape_string($_GET['start_date']);
if (array_key_exists('end_date',$_GET)) $end_date = db_escape_string($_GET['end_date']);
if (array_key_exists('selected_userid',$_GET)) $selected_userid = db_escape_string($_GET['selected_userid']);
if (array_key_exists('selected_ip',$_GET)) $selected_ip = db_escape_string($_GET['selected_ip']);
if (array_key_exists('selected_activity',$_GET)) $selected_activity = db_escape_string($_GET['selected_activity']);
if (array_key_exists('search_text',$_GET)) $search_text = db_escape_string($_GET['search_text']);


//
// Parse any parameters
//
$where = "where school_num = $school_num ";


// Handle selected date ranges
if (!isset($start_date)) $start_date = date("Y-m-d 00:00:00",time());
if (!isset($end_date)) $end_date   = date("Y-m-d 23:59:59",time());

$start_date = date("Y-m-d 00:00:00",strtotime($start_date));

if ($end_date < substr($start_date,0,10)) {
   $end_date = substr($start_date,0,10);
   $error_message = getLanguageText('ERRORMSG-DATE-RANGE-ERROR');
}

$end_date = date("Y-m-d 23:59:59",strtotime($end_date));

$sdate = substr($start_date,0,10);
$edate = substr($end_date,0,10);

$stime = strtotime($start_date);
$etime = strtotime($end_date);


$where .= "and activity_time between $stime and $etime ";
$report_subtitle = getLanguageText('TEXT-ACTIVITY-TIME') . ": $sdate - $edate";


// View only a selected userid
if (isset($selected_userid) && strlen($selected_userid) > 0) {
   $where .= "and userid = '" . db_escape_string($selected_userid) . "' ";
   $report_subtitle .= " / " . getLanguageText('TEXT-USER-ID') . ": " . $selected_userid;
}

// View only a selected ip
if (isset($selected_ip) && strlen($selected_ip) > 0) {
   $where .= "and user_ip = '$selected_ip' ";
   $report_subtitle .= " / " . getLanguageText('TEXT-IP-ADDRESS') . ": " . $selected_ip;
}

// View only a selected activity
if (isset($selected_activity) && strlen($selected_activity) > 0) {
   $where .= "and activity = '$selected_activity' ";
   $report_subtitle .= " / " . getLanguageText('TEXT-ACTIVITY') . ": " . $selected_activity;
}

// Search text processing
if (isset($search_text) && strlen($search_text) > 0) {
   $where .= "and information LIKE '%$search_text%' ";
   $report_subtitle .= " / " . getLanguageText('TEXT-SEARCH-TEXT') . ": " . $search_text;
}

if ($_SESSION['UserInfo']['type'] != 'SuperUser') {
   $where .= "and userid != 'superuser' ";
}


//
// Setup the PDF
//
$document_font = $school_record['document_font'];
if (strlen($document_font) == 0) $document_font = "Helvetica";

$document_font_weight = "";
$document_text_color  = "#000000";
$document_font_size   = 9;


// Setup parameters for this document
$max_rows = 250;
$title_width = 190;
$left_col = 10;

$start_row = 10;
$incr = 4;

$cols = array();
$widths = array();
$cols[0] = $left_col;
$widths[] = 50;
$widths[] = 50;
$widths[] = 40;
$widths[] = 50;

// Setup columns based on width values
for ($i = 0; $i < count($widths); $i++) {
   $cols[$i + 1] = $cols[$i] + $widths[$i];
}

$headings = array(getLanguageText('TEXT-NAME'), getLanguageText('TEXT-ACTIVITY-TIME'), getLanguageText('TEXT-IP-ADDRESS'), getLanguageText('TEXT-ACTIVITY'));


//
// Setup PDF document
//
require("tcpdf/config/lang/eng.php");
require("tcpdf/tcpdf.php");

$logo_url = $school_record['logo_url'];
$logo_image = "images/" . $school_record['logo_image'];
$logo_row = $max_rows + 5;

class PDF extends TCPDF {
   function Header() {
      global $incr, $left_col, $start_row, $title_width, $document_font, $document_font_size, $report_title, $report_subtitle, $cols, $widths, $headings;

      $row = $start_row;

      // Print the header
      $this->SetFillColor(hexdec("cc"),hexdec("cc"),hexdec("cc"));
      $this->SetFont($document_font,"B",$document_font_size + 1);
      $this->SetXY($left_col,$row);
      $this->Cell($title_width,$incr + 1,$report_title,'0',1,'L',true,'',1);

      $this->SetFont($document_font,"B",$document_font_size);
      if (isset($report_subtitle) && strlen($report_subtitle) > 0) {
         $row = $row + $incr + 2;
         $this->SetXY($left_col,$row);
         $this->Cell($title_width,$incr + 1,$report_subtitle,'0',1,'L',true,'',1);
      }

      $this->SetFillColor(hexdec("dd"),hexdec("dd"),hexdec("dd"));
      if (isset($headings) && is_array($headings) && count($headings)) {
         $row += $incr * 2;
         for ($i = 0; $i < count($headings); $i++) {
            $col = $cols[$i];
            $width = $widths[$i];
            $this->SetXY($col,$row);
            $this->Cell($width,$incr + 1,' ' . $headings[$i],'1',1,'L',true,'',1);
         }
      }
   }

   function Footer() {
      global $incr, $left_col, $title_width, $max_rows, $document_font, $document_font_size, $document_name, $logo_image, $logo_url, $logo_row, $school_name;

      // Print the date
      $this->SetFont($document_font,"",$document_font_size - 1);
      $this->SetXY($left_col,$logo_row);
      $date = dateString('datetime');
      $this->Cell($title_width,$incr - 1,"$document_name: $date",'0',1,'R','',1);

      $this->SetXY($left_col,$logo_row + $incr);
      $this->Cell($title_width,$incr - 1,"$school_name",'0',1,'R','',1);

      $this->Image($logo_image,10,$logo_row, 50);

      $this->SetXY(20,$logo_row + 9);
      $this->SetFont($document_font,"B",$document_font_size);
      $this->Cell($title_width,$incr,$logo_url,'0',1,'L','',1);
   }
}

// Force exact physical size for Letter: 8.5 x 11 inches => 215.9mm x 279.4mm (portrait)
$pageFormat = array(215.9, 279.4);

$pdf= new PDF('P', 'mm', $pageFormat, true, 'UTF-8', false);

// set default monospaced font
$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);

//set margins
$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);

//set auto page breaks
$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);

//set image scale factor
$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);

$font_red   = hexdec("00");
$font_green = hexdec("00");
$font_blue  = hexdec("00");

$pdf->SetTextColor($font_red,$font_green,$font_blue);
$pdf->SetFont($document_font,"",$document_font_size);

$pdf->addPage();


//
// Get set of records
//
$query = "SELECT userid,activity_datetime,user_ip,activity_time,activity " .
         "FROM activity_log $where order by activity_time desc,activity";
$activities = db_query($query);


//
// Generate the report
//
$curr_row = $start_row + 5 * $incr;
$count = 0;

while ($row = db_fetch_array($activities)) {

   // New page if current page is full
   if ($curr_row > $max_rows - $incr - 2) {
      $pdf->addPage();
      $curr_row = $start_row + 5 * $incr;
      $count = 0;
   }

   extract($row);

   $pdf->SetFont($document_font,"",$document_font_size);
   $pdf->SetFillColor(hexdec("ee"),hexdec("ee"),hexdec("ee"));

   $fill = true;
   if ($count % 2) $fill = false;
   $count++;

   $data = array();
   $name = db_getVal("SELECT concat(first_name,' ',last_name) FROM users WHERE school_num = $base_school_num AND userid = '" . db_escape_string($userid) . "'");
   if (strlen($name) == 0) $name = $userid;

   $data[0] = $name;
   $data[1] = $activity_datetime;
   $data[2] = $user_ip;
   $data[3] = $activity;

   for ($i = 0; $i < count($headings); $i++) {
      $col = $cols[$i];
      $width = $widths[$i];
      $pdf->SetXY($col,$curr_row);
      $pdf->Cell($width,$incr,$data[$i],'1',1,'L',$fill,'',1);
   }

   $curr_row += $incr;
}


// Output the completed PDF
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Cache-Control: private',false);
header('Content-type: application/pdf');
header("Content-Disposition: attachment; filename=$file_name");

$pdf->Output($file_name,"D");
return;

?>