<?php

function table_data($sql9, $linkid, $no, $db){
  $result9 = mysql_query($sql9, $linkid);
  if (!mysql_num_rows($result9)){
    $sdata .= "<br>None...";
  }else{
    $sdata .= "<table width='100%'><tr valign='top'><th>No.</th>";
    $num_fields = mysql_num_fields($result9);
    for ($y = 0; $y < $num_fields; $y++){
      $sdata .= "<th><a href='" . $_SERVER["SCRIPT_NAME"] . "?db=$db&sfield=" . mysql_field_name($result9, $y) . "'>" . ucfirst(strtr(mysql_field_name($result9, $y), "_", " ")) . "</a></th>";
    }
    $sdata .= "</tr>";
    while ($qdata = mysql_fetch_row($result9)){
      $no++;
      $sdata .= "<tr id='";
      if ($no % 2) $sdata .= "row1'>"; else $sdata .= "row2'>";
      $sdata .= "<td>$no</td>";
      for ($z = 0; $z < $num_fields; $z++){
        $sdata .=  "<td>" . $qdata[$z] . "</td>";
      }
      $sdata .= "</tr>";
    }
    mysql_free_result($result9);
    $sdata .= "</table>";
  }
  return $sdata;
}

function list_data($sql9, $linkid, $ttl){
  $result9 = mysql_query($sql9, $linkid);
  if (!$result9) echo sql_error();
  $ldata = "<b>$ttl</b>";
  if (!mysql_num_rows($result9)){
    $ldata .= "<br>None...";
  }else{
    $ldata .= "<table width='90%'>";
    while ($qdata = mysql_fetch_row($result9)){
      $y++;
      $num_fields = mysql_num_fields($result9);
      $ldata .= "<tr><th colspan='2'>$y</th></tr>";
      for ($z = 0; $z < $num_fields; $z++){
        $ldata .= "<tr id='";
        if ($z % 2) $ldata .= "row1'>"; else $ldata .= "row2'>";
        $ldata .= "<td>" . ucfirst(strtr(mysql_field_name($result9, $z), "_", " ")) . "</td>";
        $ldata .= "<td nowrap>" . $qdata[$z] . "</td>";
      }
      $ldata .= "</tr>";
    }
    mysql_free_result($result9);
    $ldata .= "</table>";
  }
  return $ldata;
}

function document_title($accno, $linkid){
  $result9 = mysql_query("select document_type, document_code from accession_master where accession_no='$accno'", $linkid);
  if (!$result9) echo sql_error();
  if (!mysql_num_rows($result9)){
    $dttl = "<br>Wrong accession no.";
  }else{
    $qdata = mysql_fetch_array($result9);
    $doc_type = $qdata["document_type"];
    $doc_code = $qdata["document_code"];
    $result9 = mysql_query("select title from " . $doc_type . "_master where document_code='$doc_code'", $linkid);  
    $qdata = mysql_fetch_array($result9);
    $dttl = $qdata["title"];
    mysql_free_result($result9);
  }
  return $dttl;
}

//mail subroutine
function overdue_mail($mcode, $linkid){
  if ($mcode == ""){
    $sql9 = "select c.accession_no, c.issue_date, c.due_date, m.email from circulation_master c, member_master m where c.member_code=m.member_code and c.due_date < curdate() and return_date is null";
  }else{
    $sql9 = "select c.accession_no, c.issue_date, c.due_date, m.email from circulation_master c, member_master m where c.member_code=m.member_code and m.member_code='$mcode' and c.due_date < curdate() and return_date is null";
  }
  $result9 = mysql_query($sql9, $linkid);
  if(!$result9) echo sql_error();
  if (!mysql_num_rows($result9)){
    return "None overdue...";
  }else{
    $mail_body = "AccessionNo.---issue_date---due_date---remark\n";
    while ($qdata = mysql_fetch_array($result9)){
      $mail_body .= $qdata["accession_no"] . "---" . $qdata["issue_date"] . "---" . $qdata["due_date"] . "\n";
    }
    require("class.phpmailer.php");
    $mail = new PHPMailer();
    $mail->IsSMTP(); // telling the class to use SMTP
    $mail->Host = "mail.local"; // SMTP server
    $mail->From = "library@iiita.ac.in";
    $mail->AddAddress("$email");
    $mail->Subject = "Overdue Reminder from Library";
    $mail->Body = "$mail_body\n\nThese documents are pending to you. kindly return/re-issue them.";
    $mail->WordWrap = 50;
    if(!$mail->Send()){
      //echo "Message was not sent";
      return "Mailer Error: " . $mail->ErrorInfo;
    }else{
      return "Message has been sent";
    }
    return $mail_body;
  }
}

function table_info($tbl, $linkid, $fkey, $val){
  $sql8 = "select * from $tbl";
  $result8 = mysql_query($sql8, $linkid);
  
  $result9 = mysql_list_fields("mmishra", $tbl, $linkid);
  $sdata = "<table>";
  for ($i=0; $i < mysql_num_fields($result9); $i++){
    $field_info_object = mysql_fetch_field($result9, $i);
    $fname = $field_info_object->name;
    $fsize = mysql_field_len($result9, $i);
    $sdata .= "<tr><th>" . ucfirst(strtr($fname,"_", " ")) . "</th><td>";
    if ($fsize > 100) $sdata .= "<textarea name='$fname' rows='2' cols='40'></textarea>";
    else if ($fsize > 50) $sdata .= "<input type='text' name='$fname' value='' size='50'>";
    else $sdata .= "<input type='text' name='$fname' value='' size='$fsize'>";
//    $sdata .= " (" . $field_info_object->max_length . ") ";
    $sdata .= " " . $field_info_object->type . ",";
    if ($field_info_object->not_null) $sdata .= " null value not allowed"; else $sdata .= " null allowed";
    if ($field_info_object->primary_key) $sdata .= " (primary key)";
    else if ($field_info_object->multiple_key) $sdata .= " (key)";
    else if ($field_info_object->unique_key) $sdata .= " (should be unique)";
    if ($field_info_object->unsigned) $sdata .= " unsigned";
    if ($field_info_object->zerofill) $sdata .= " zero-filled";
    $sdata .= "</td></tr>";

  }
  $sdata .= "</table>";
  return $sdata;
}
?>