interface/main/calendar/find_appt_popup.php

   1 <?
   2  // Copyright (C) 2005-2006 Rod Roark <rod@sunsetsystems.com>
   3  //
   4  // This program is free software; you can redistribute it and/or
   5  // modify it under the terms of the GNU General Public License
   6  // as published by the Free Software Foundation; either version 2
   7  // of the License, or (at your option) any later version.
   8
   9  include_once("../../globals.php");
  10  include_once("$srcdir/patient.inc");
  11
  12  $input_catid = $_REQUEST['catid'];
  13
  14  // Record an event into the slots array for a specified day.
  15  function doOneDay($catid, $udate, $starttime, $duration, $prefcatid) {
  16   global $slots, $slotsecs, $slotstime, $slotbase, $slotcount, $input_catid;
  17   $udate = strtotime($starttime, $udate);
  18   if ($udate < $slotstime) return;
  19   $i = (int) ($udate / $slotsecs) - $slotbase;
  20   $iend = (int) (($duration + $slotsecs - 1) / $slotsecs) + $i;
  21   if ($iend > $slotcount) $iend = $slotcount;
  22   if ($iend <= $i) $iend = $i + 1;
  23   for (; $i < $iend; ++$i) {
  24    if ($catid == 2) {        // in office
  25     // If a category ID was specified when this popup was invoked, then select
  26     // only IN events with a matching preferred category or with no preferred
  27     // category; other IN events are to be treated as OUT events.
  28     if ($input_catid) {
  29      if ($prefcatid == $input_catid || !$prefcatid)
  30       $slots[$i] |= 1;
  31      else
  32       $slots[$i] |= 2;
  33     } else {
  34      $slots[$i] |= 1;
  35     }
  36     break; // ignore any positive duration for IN
  37    } else if ($catid == 3) { // out of office
  38     $slots[$i] |= 2;
  39     break; // ignore any positive duration for OUT
  40    } else { // all other events reserve time
  41     $slots[$i] |= 4;
  42    }
  43   }
  44  }
  45
  46  // seconds per time slot
  47  $slotsecs = $GLOBALS['calendar_interval'] * 60;
  48
  49  $catslots = 1;
  50  if ($input_catid) {
  51   $srow = sqlQuery("SELECT pc_duration FROM openemr_postcalendar_categories WHERE pc_catid = '$input_catid'");
  52   if ($srow['pc_duration']) $catslots = ceil($srow['pc_duration'] / $slotsecs);
  53  }
  54
  55  $info_msg = "";
  56
  57  $searchdays = 7; // default to a 1-week lookahead
  58  if ($_REQUEST['searchdays']) $searchdays = $_REQUEST['searchdays'];
  59
  60  // Get a start date.
  61  if ($_REQUEST['startdate'] && preg_match("/(\d\d\d\d)\D*(\d\d)\D*(\d\d)/",
  62      $_REQUEST['startdate'], $matches))
  63  {
  64   $sdate = $matches[1] . '-' . $matches[2] . '-' . $matches[3];
  65  } else {
  66   $sdate = date("Y-m-d");
  67  }
  68
  69  // Get an end date - actually the date after the end date.
  70  preg_match("/(\d\d\d\d)\D*(\d\d)\D*(\d\d)/", $sdate, $matches);
  71  $edate = date("Y-m-d",
  72   mktime(0, 0, 0, $matches[2], $matches[3] + $searchdays, $matches[1]));
  73
  74  // compute starting time slot number and number of slots.
  75  $slotstime = strtotime("$sdate 00:00:00");
  76  $slotetime = strtotime("$edate 00:00:00");
  77  $slotbase  = (int) ($slotstime / $slotsecs);
  78  $slotcount = (int) ($slotetime / $slotsecs) - $slotbase;
  79
  80  if ($slotcount <= 0 || $slotcount > 100000) die("Invalid date range.");
  81
  82  $slotsperday = (int) (60 * 60 * 24 / $slotsecs);
  83
  84  // If we have a provider, search.
  85  //
  86  if ($_REQUEST['providerid']) {
  87   $providerid = $_REQUEST['providerid'];
  88
  89   // Create and initialize the slot array. Values are bit-mapped:
  90   //   bit 0 = in-office occurs here
  91   //   bit 1 = out-of-office occurs here
  92   //   bit 2 = reserved
  93   // So, values may range from 0 to 7.
  94   //
  95   $slots = array_pad(array(), $slotcount, 0);
  96
  97   // Note there is no need to sort the query results.
  98   $query = "SELECT pc_eventDate, pc_endDate, pc_startTime, pc_duration, " .
  99    "pc_recurrtype, pc_recurrspec, pc_alldayevent, pc_catid, pc_prefcatid " .
 100    "FROM openemr_postcalendar_events " .
 101    "WHERE pc_aid = '$providerid' AND " .
 102    "((pc_endDate >= '$sdate' AND pc_eventDate < '$edate') OR " .
 103    "(pc_endDate = '0000-00-00' AND pc_eventDate >= '$sdate' AND pc_eventDate < '$edate'))";
 104   $res = sqlStatement($query);
 105
 106   while ($row = sqlFetchArray($res)) {
 107    $thistime = strtotime($row['pc_eventDate'] . " 00:00:00");
 108    if ($row['pc_recurrtype']) {
 109
 110     preg_match('/"event_repeat_freq_type";s:1:"(\d)"/', $row['pc_recurrspec'], $matches);
 111     $repeattype = $matches[1];
 112
 113     preg_match('/"event_repeat_freq";s:1:"(\d)"/', $row['pc_recurrspec'], $matches);
 114     $repeatfreq = $matches[1];
 115     if (! $repeatfreq) $repeatfreq = 1;
 116
 117     $endtime = strtotime($row['pc_endDate'] . " 00:00:00") + (24 * 60 * 60);
 118     if ($endtime > $slotetime) $endtime = $slotetime;
 119
 120     $repeatix = 0;
 121     while ($thistime < $endtime) {
 122
 123      // Skip the event if a repeat frequency > 1 was specified and this is
 124      // not the desired occurrence.
 125      if (! $repeatix) {
 126       doOneDay($row['pc_catid'], $thistime, $row['pc_startTime'],
 127        $row['pc_duration'], $row['pc_prefcatid']);
 128      }
 129      if (++$repeatix >= $repeatfreq) $repeatix = 0;
 130
 131      $adate = getdate($thistime);
 132      if ($repeattype == 0)        { // daily
 133       $adate['mday'] += 1;
 134      } else if ($repeattype == 1) { // weekly
 135       $adate['mday'] += 7;
 136      } else if ($repeattype == 2) { // monthly
 137       $adate['mon'] += 1;
 138      } else if ($repeattype == 3) { // yearly
 139       $adate['year'] += 1;
 140      } else if ($repeattype == 4) { // work days
 141       if ($adate['wday'] == 5)      // if friday, skip to monday
 142        $adate['mday'] += 3;
 143       else if ($adate['wday'] == 6) // saturday should not happen
 144        $adate['mday'] += 2;
 145       else
 146        $adate['mday'] += 1;
 147      } else {
 148       die("Invalid repeat type '$repeattype'");
 149      }
 150      $thistime = mktime(0, 0, 0, $adate['mon'], $adate['mday'], $adate['year']);
 151     }
 152    } else {
 153     doOneDay($row['pc_catid'], $thistime, $row['pc_startTime'],
 154      $row['pc_duration'], $row['pc_prefcatid']);
 155    }
 156   }
 157
 158   // Mark all slots reserved where the provider is not in-office.
 159   // Actually we could do this in the display loop instead.
 160   $inoffice = false;
 161   for ($i = 0; $i < $slotcount; ++$i) {
 162    if (($i % $slotsperday) == 0) $inoffice = false;
 163    if ($slots[$i] & 1) $inoffice = true;
 164    if ($slots[$i] & 2) $inoffice = false;
 165    if (! $inoffice) $slots[$i] |= 4;
 166   }
 167  }
 168 ?>
 169 <html>
 170 <head>
 171 <title><?php xl('Find Available Appointments','e'); ?></title>
 172 <link rel=stylesheet href='<? echo $css_header ?>' type='text/css'>
 173
 174 <style>
 175 td { font-size:10pt; }
 176 </style>
 177
 178 <script language="JavaScript">
 179
 180  function setappt(year,mon,mday,hours,minutes) {
 181   if (opener.closed || ! opener.setappt)
 182    alert('<?php xl('The destination form was closed; I cannot act on your selection.','e'); ?>');
 183   else
 184    opener.setappt(year,mon,mday,hours,minutes);
 185   window.close();
 186   return false;
 187  }
 188
 189 </script>
 190
 191 </head>
 192
 193 <body <?php echo $top_bg_line;?>>
 194 <?
 195 ?>
 196 <form method='post' name='theform' action='find_appt_popup.php?providerid=<?php echo $providerid ?>&catid=<?php echo $input_catid ?>'>
 197 <center>
 198
 199 <table border='0' cellpadding='5' cellspacing='0'>
 200
 201  <tr>
 202   <td height="1">
 203   </td>
 204  </tr>
 205
 206  <tr bgcolor='#ddddff'>
 207   <td>
 208    <b>
 209    <?php xl('Start date:','e'); ?>
 210    <input type='text' name='startdate' size='10' value='<? echo $sdate ?>'
 211     title='yyyy-mm-dd starting date for search' />
 212    <?php xl('for','e'); ?>
 213    <input type='text' name='searchdays' size='3' value='<? echo $searchdays ?>'
 214     title='Number of days to search from the start date' />
 215    <?php xl('days','e'); ?>&nbsp;
 216    <input type='submit' value='<?php xl('Search','e'); ?>'>
 217    </b>
 218   </td>
 219  </tr>
 220
 221  <tr>
 222   <td height="1">
 223   </td>
 224  </tr>
 225
 226 </table>
 227
 228 <? if (!empty($slots)) { ?>
 229
 230 <table border='0'>
 231  <tr>
 232   <td><b><?php xl('Day','e'); ?></b></td>
 233   <td><b><?php xl('Date','e'); ?></b></td>
 234   <td><b><?php xl('Available Times','e'); ?></b><?php xl('(red = p.m.)','e'); ?></td>
 235  </tr>
 236 <?
 237   $lastdate = "";
 238   for ($i = 0; $i < $slotcount; ++$i) {
 239
 240    $available = true;
 241    for ($j = $i; $j < $i + $catslots; ++$j) {
 242     if ($slots[$j] >= 4) $available = false;
 243    }
 244    if (!$available) continue; // skip reserved slots
 245
 246    $utime = ($slotbase + $i) * $slotsecs;
 247    $thisdate = date("Y-m-d", $utime);
 248    if ($thisdate != $lastdate) { // if a new day, start a new row
 249     if ($lastdate) {
 250      echo "</td>\n";
 251      echo " </tr>\n";
 252     }
 253     $lastdate = $thisdate;
 254     echo " <tr>\n";
 255     echo "  <td valign='top'>" . date("l", $utime) . "</td>\n";
 256     echo "  <td valign='top'>" . date("Y-m-d", $utime) . "</td>\n";
 257     echo "  <td valign='top'>";
 258    }
 259    $adate = getdate($utime);
 260    $anchor = "<a href='' style='color:" .
 261     (date('a', $utime) == 'am' ? '#0000cc' : '#cc0000') .
 262     "' onclick='return setappt(" .
 263     $adate['year'] . "," .
 264     $adate['mon'] . "," .
 265     $adate['mday'] . "," .
 266     $adate['hours'] . "," .
 267     $adate['minutes'] . ")'>";
 268    echo (strlen(date('g',$utime)) < 2 ? "<span style='visibility:hidden'>0</span>" : "") .
 269     $anchor . date("g:i", $utime) . "</a> ";
 270
 271    // If category duration is more than 1 slot, increment $i appropriately.
 272    // This is to avoid reporting available times on undesirable boundaries.
 273    $i += $catslots - 1;
 274   }
 275   if ($lastdate) {
 276    echo "</td>\n";
 277    echo " </tr>\n";
 278   } else {
 279    echo " <tr><td colspan='3'> " . xl('No openings were found for this period.','e') . "</td></tr>\n";
 280   }
 281 ?>
 282 </table>
 283
 284 <? } ?>
 285
 286 </center>
 287 </form>
 288 </body>
 289 </html>