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