<?php
$ValidAccess = 2010;

require_once("include/globals.php");

// Start session only if not already active, and avoid changing name mid-session
if (session_status() === PHP_SESSION_NONE) {
   if (!empty($sessionName)) {
      session_name($sessionName);
   }
   session_start();
}


//
// Ensure that the user is logged in
//
if (SessionActive() != 1 || !UserLoggedIn()) {
   $error_message = "Invalid Access";
   header("Location: /?error_message=".urlencode($error_message));
   exit();
}


// Ensure that only valid user types have access to this module
$AllowedUserTypes = array('SuperUser','System Administrator','Application Administrator','Application Volunteer','Schedule Volunteer','Administration Team','Schedule Team','Volunteer Administrator','Financial Team');
if (checkPermission($AllowedUserTypes) != 1) {
   $error_message = getLanguageText('ERRORMSG-ACCESS-DENIED');
   header("Location: /?error_message=".urlencode($error_message));
   exit();
}


if (array_key_exists('schedule_num',$_GET)) $schedule_num = intval($_GET['schedule_num']);
if (array_key_exists('schedule_num',$_POST)) $schedule_num = intval($_POST['schedule_num']);

if (!isset($schedule_num)) {
   $error_message = "Error: schedule number must be specified";
   header("Location: /?error_message=".urlencode($error_message));
   exit();
}

// Check if this is a valid schedule
$query = "select * from hotlunch_schedules " .
         "where school_num = $school_num " .
         "and record_num = $schedule_num";
$results = db_query($query);

if (db_num_rows($results) == 0) {
   $error_message = getLanguageText('ERRORMSG-INVALID-SCHEDULE');
   header("Location: /?error_message=".urlencode($error_message));
   exit();
}

$hotlunch_schedule = db_fetch_array($results);
$schedule_name = $hotlunch_schedule['schedule_name'];
$schedule_num  = $hotlunch_schedule['record_num'];


// Get the menu dates for this schedule
$today = date("Y-m-d",time());
$query = "select * from hotlunch_menu_dates " .
         "where school_num = $school_num " .
         "and schedule_num = $schedule_num " .
         "order by sequence,menu_date";
$menu_dates = db_query($query);

if (db_num_rows($menu_dates) == 0) {
   $error_message = "There are no active menu dates defined for this schedule";
   header("Location: /?error_message=".urlencode($error_message));
   exit();
}


//
// Setup the PDF
//
$document_font        = "Helvetica";
$document_font_weight = "";
$document_text_color  = "#000000";
$document_font_size   = 9;


// Set parameters for this document
$max_rows = 245;

$logo_url = "www.hotlunches.net";
$logo_image = "images/" . $school_record['logo_image'];
$logo_row = $max_rows + 10;

$title_width = 195;
$line_width = $title_width;
$left_col = 10;
$date_col = 160;
$date_width = $line_width - $date_col + $left_col;

$name_col = $left_col;
$phone_col = 70;
$email_col = 100;
$class_col = 170;

$name_width = $phone_col - $name_col;
$phone_width = $email_col - $phone_col;
$email_width = $class_col - $email_col;
$class_width = $line_width - $class_col + $left_col;

$start_row = 10;
$incr = 4.5;

$report_title = $school_record['school_name'];
$report_subtitle = getLanguageText('TEXT-VOLUNTEER-LIST') . ": " . $schedule_name;


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

class PDF extends TCPDF {
   function Header() {
      global $incr, $left_col, $line_width, $date_col, $date_width, $start_row, $title_width, $document_font, $document_font_size, $report_title, $report_subtitle, $menu_title, $mdate;

      $curr_row = $start_row;

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

      $curr_row += $incr + 2;

      if (isset($report_subtitle) && strlen($report_subtitle) > 0) {
         $this->SetXY($left_col,$curr_row);
         $this->Cell($title_width,$incr + 1,$report_subtitle,'0',1,'L',true,'',1);
      }

      $this->SetFont($document_font,"B",$document_font_size);
      $this->SetFillColor(hexdec("dd"),hexdec("dd"),hexdec("dd"));

      $curr_row += $incr + 2;

      // Print the menu title
      $this->SetXY($left_col,$curr_row);
      $this->Cell($line_width,$incr,$menu_title,'0',1,'L',true,'',1);

      $this->SetXY($date_col,$curr_row);
      $this->Cell($date_width,$incr,$mdate,'0',1,'R',true,'',1);
   }

   function Footer() {

      global $logo_row, $document_font, $document_font_size, $siteType, $school_record, $incr;
      $document_name = getLanguageText('TEXT-VOLUNTEER-LIST');

      // Add logo to page
      $this->Image("images/".$school_record['logo_image'],10,$logo_row + 5,50);

      $this->SetFont($document_font,"",$document_font_size - 1);
      $this->SetXY(80,$logo_row + 5);
      $date = dateString('datetime');
      $this->Cell(120,$incr - 1,$document_name . ": $date",'0',1,'R',false,'',1);

      $school_name = $school_record['school_name'];
      $this->SetXY(80,$logo_row + 5 + $incr);
      $this->Cell(120,$incr - 1,"$school_name",'0',1,'R');

      $this->SetFont($document_font,"",$document_font_size);
   }
}

// 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);

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

$pdf->SetTextColor($font_red,$font_green,$font_blue);


$curr_row = $max_rows + 5;
$pageNum = 0;

$orderBy = "last_name,first_name";
if ($school_record['volunteer_sorting'] == 'Manual Sorting') $orderBy = "sequence,$orderBy";

while ($row = db_fetch_array($menu_dates)) {
   extract($row);
   $menu_num = $record_num;
   $menu_title .= " ($menu_num)";
   $mdate = date("D M jS, Y",strtotime($menu_date) + 60 * 60 * 12);

   // Get volunteers for this menu date
   $query = "select first_name,last_name,email,home_phone,user_num " .
            "from hotlunch_volunteers as hlv, users as u " .
            "where hlv.school_num = $school_num " .
            "and u.school_num = $base_school_num " .
            "and schedule_num = $schedule_num " .
            "and menu_num = $menu_num " .
            "and user_num = u.record_num " .
            "and hlv.deleted != 'Y' " .
            "order by $orderBy";
   $volunteers = db_query($query);
   $num_volunteers = db_num_rows($volunteers);
   $num_lines = ($num_volunteers + 2) * $incr;
   if ($school_record['include_volunteer_details'] == 'Y') $num_lines = intval(2.1 * $num_lines);

   if ($curr_row + $num_lines > $max_rows - 2) {
      $pdf->addPage();
      $pageNum++;

      $curr_row = $start_row + $incr * 4 + 1;
   }
   else {
      $pdf->SetFont($document_font,"B",$document_font_size);
      $pdf->SetFillColor(hexdec("dd"),hexdec("dd"),hexdec("dd"));

      // Print the menu title
      $pdf->SetXY($left_col,$curr_row);
      $pdf->Cell($line_width,$incr,$menu_title,'0',1,'L',true,'',1);

      $pdf->SetXY($date_col,$curr_row);
      $pdf->Cell($date_width,$incr,$mdate,'0',1,'R',true,'',1);
      $curr_row += $incr + 1;
   }


   // Print set of volunteers
   $pdf->SetFillColor(hexdec("ee"),hexdec("ee"),hexdec("ee"));
   $count = 0;
   while ($row = db_fetch_array($volunteers)) {
      $bg = $count % 2;
      $count++;

      if ($curr_row > $max_rows) {
         $pdf->addPage();
         $pageNum++;

         $curr_row = $start_row + $incr * 4 + 1;
      }

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

      $name  = $row['first_name'] . ' ' . $row['last_name'];
      $phone = $row['home_phone'];
      $email = $row['email'];

      $pdf->SetXY($name_col,$curr_row);
      $pdf->Cell($name_width,$incr,$name,'0',1,'L',$bg,'',1);

      $pdf->SetXY($phone_col,$curr_row);
      $pdf->Cell($phone_width,$incr,$phone,'0',1,'L',$bg,'',1);

      $pdf->SetXY($email_col,$curr_row);
      $pdf->Cell($email_width,$incr,$email,'0',1,'L',$bg,'',1);

      // Display student grades
      $user_num = $row['user_num'];
      $query = "SELECT c.* FROM people AS p, classes AS c " .
               "WHERE p.school_num = $base_school_num " .
               "AND p.user_num = $user_num " .
               "AND c.school_num = $base_school_num " .
               "AND p.class_num = c.record_num";
      $classes = db_query($query);
      $cinfo = "";
      while ($class = db_fetch_assoc($classes)) {
         $grade = $class['grade'];
         $division = $class['division'];
         $class_num = $class['record_num'];

         if (strlen($cinfo)) $cinfo .= " // ";
         $cinfo .= getClassInfo($class_num, 'internal', 0);
      }
      $pdf->SetXY($class_col,$curr_row);
      $pdf->Cell($class_width,$incr,$cinfo,'0',1,'L',$bg,'',1);

      // Display student names if required
      if ($school_record['include_volunteer_details'] == 'Y') {
         $pdf->SetFont($document_font,"",$document_font_size - 1);
         $user_num = $row['user_num'];
         $students = db_query("SELECT * FROM people WHERE school_num = $base_school_num AND user_num = $user_num");
         while ($student = db_fetch_array($students)) {
            $name = $student['first_name'] . ' ' . $student['last_name'];
            $class = $student['class_num'];
            $class_info = getClassInfo($class,'internal',1);

            $curr_row += $incr - .5;
            $pdf->SetXY($left_col,$curr_row);
            $pdf->Cell($line_width,$incr,"                                                                                          " .
                              "- $name: $class_info",'0',1,'L',$bg,'',1);
         }
         $pdf->SetFont($document_font,"",$document_font_size);
         $curr_row += 1;
      }

      $curr_row += $incr;
   }

   $curr_row += $incr;
   if ($school_record['include_volunteer_details'] == 'Y') $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=volunteer-list.pdf");
header('Content-Transfer-Encoding: binary');

$pdf->Output("volunteer-list.pdf","D");
return;

?>