interface/main/finder/dynamic_finder_ajax.php

   1 <?php
   2 // Copyright (C) 2012 Rod Roark <rod@sunsetsystems.com>
   3 // Sponsored by David Eschelbacher, MD
   4 //
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // Sanitize escapes and disable fake globals registration.
  11 //
  12 $sanitize_all_escapes = true;
  13 $fake_register_globals = false;
  14
  15 require_once("../../globals.php");
  16 require_once("$srcdir/formdata.inc.php");
  17 require_once("$srcdir/formatting.inc.php");
  18
  19 $popup = empty($_REQUEST['popup']) ? 0 : 1;
  20
  21 // With the ColReorder or ColReorderWithResize plug-in, the expected column
  22 // ordering may have been changed by the user.  So we cannot depend on
  23 // list_options to provide that.
  24 //
  25 $aColumns = explode(',', $_GET['sColumns']);
  26
  27 // Paging parameters.  -1 means not applicable.
  28 //
  29 $iDisplayStart  = isset($_GET['iDisplayStart' ]) ? 0 + $_GET['iDisplayStart' ] : -1;
  30 $iDisplayLength = isset($_GET['iDisplayLength']) ? 0 + $_GET['iDisplayLength'] : -1;
  31 $limit = '';
  32 if ($iDisplayStart >= 0 && $iDisplayLength >= 0) {
  33   $limit = "LIMIT $iDisplayStart, $iDisplayLength";
  34 }
  35
  36 // Column sorting parameters.
  37 //
  38 $orderby = '';
  39 if (isset($_GET['iSortCol_0'])) {
  40         for ($i = 0; $i < intval($_GET['iSortingCols']); ++$i) {
  41     $iSortCol = intval($_GET["iSortCol_$i"]);
  42                 if ($_GET["bSortable_$iSortCol"] == "true" ) {
  43       $sSortDir = add_escape_custom($_GET["sSortDir_$i"]); // ASC or DESC
  44       // We are to sort on column # $iSortCol in direction $sSortDir.
  45       $orderby .= $orderby ? ', ' : 'ORDER BY ';
  46       //
  47       if ($aColumns[$iSortCol] == 'name') {
  48         $orderby .= "lname $sSortDir, fname $sSortDir, mname $sSortDir";
  49       }
  50       else {
  51         $orderby .= "`" . add_escape_custom($aColumns[$iSortCol]) . "` $sSortDir";
  52       }
  53                 }
  54         }
  55 }
  56
  57 // Global filtering.
  58 //
  59 $where = '';
  60 if (isset($_GET['sSearch']) && $_GET['sSearch'] !== "") {
  61   $sSearch = add_escape_custom($_GET['sSearch']);
  62   foreach ($aColumns as $colname) {
  63     $where .= $where ? "OR " : "WHERE ( ";
  64     if ($colname == 'name') {
  65       $where .=
  66         "lname LIKE '$sSearch%' OR " .
  67         "fname LIKE '$sSearch%' OR " .
  68         "mname LIKE '$sSearch%' ";
  69     }
  70     else {
  71       $where .= "`" . add_escape_custom($colname) . "` LIKE '$sSearch%' ";
  72     }
  73   }
  74   if ($where) $where .= ")";
  75 }
  76
  77 // Column-specific filtering.
  78 //
  79 for ($i = 0; $i < count($aColumns); ++$i) {
  80   $colname = $aColumns[$i];
  81   if (isset($_GET["bSearchable_$i"]) && $_GET["bSearchable_$i"] == "true" && $_GET["sSearch_$i"] != '') {
  82     $where .= $where ? ' AND' : 'WHERE';
  83     $sSearch = add_escape_custom($_GET["sSearch_$i"]);
  84     if ($colname == 'name') {
  85       $where .= " ( " .
  86         "lname LIKE '$sSearch%' OR " .
  87         "fname LIKE '$sSearch%' OR " .
  88         "mname LIKE '$sSearch%' )";
  89     }
  90     else {
  91       $where .= " `" . add_escape_custom($colname) . "` LIKE '$sSearch%'";
  92     }
  93   }
  94 }
  95
  96 // Compute list of column names for SELECT clause.
  97 // Always includes pid because we need it for row identification.
  98 //
  99 $sellist = 'pid';
 100 foreach ($aColumns as $colname) {
 101   if ($colname == 'pid') continue;
 102   $sellist .= ", ";
 103   if ($colname == 'name') {
 104     $sellist .= "lname, fname, mname";
 105   }
 106   else {
 107     $sellist .= "`" . add_escape_custom($colname) . "`";
 108   }
 109 }
 110
 111 // Get total number of rows in the table.
 112 //
 113 $row = sqlQuery("SELECT COUNT(id) AS count FROM patient_data");
 114 $iTotal = $row['count'];
 115
 116 // Get total number of rows in the table after filtering.
 117 //
 118 $row = sqlQuery("SELECT COUNT(id) AS count FROM patient_data $where");
 119 $iFilteredTotal = $row['count'];
 120
 121 // Build the output data array.
 122 //
 123 $out = array(
 124   "sEcho"                => intval($_GET['sEcho']),
 125   "iTotalRecords"        => $iTotal,
 126   "iTotalDisplayRecords" => $iFilteredTotal,
 127   "aaData"               => array()
 128 );
 129 $query = "SELECT $sellist FROM patient_data $where $orderby $limit";
 130 $res = sqlStatement($query);
 131 while ($row = sqlFetchArray($res)) {
 132   // Each <tr> will have an ID identifying the patient.
 133   $arow = array('DT_RowId' => 'pid_' . $row['pid']);
 134   foreach ($aColumns as $colname) {
 135     if ($colname == 'name') {
 136       $name = $row['lname'];
 137       if ($name && $row['fname']) $name .= ', ';
 138       if ($row['fname']) $name .= $row['fname'];
 139       if ($row['mname']) $name .= ' ' . $row['mname'];
 140       $arow[] = $name;
 141     }
 142     else if ($colname == 'DOB' || $colname == 'regdate' || $colname == 'ad_reviewed' || $colname == 'userdate1') {
 143       $arow[] = oeFormatShortDate($row[$colname]);
 144     }
 145     else {
 146       $arow[] = $row[$colname];
 147     }
 148   }
 149   $out['aaData'][] = $arow;
 150 }
 151
 152 // error_log($query); // debugging
 153
 154 // Dump the output array as JSON.
 155 //
 156 echo json_encode($out);
 157 ?>