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index.php
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<?php
// This bit ensures that all output is GZip compressed if the browser supports it, saving bandwidth
if( substr_count( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ], 'gzip' ) ) { ob_start( "ob_gzhandler" ); } else { ob_start(); }
session_start();
require_once( "User.class.php" );
require_once( "Patient.class.php" );
{ // Page variables
$output = 'Hello, World';
$pageTitle = 'MedSYS : manage clinic records efficiently';
$pageHeader = '<!DOCTYPE html>
<html>
<head>
<title>' . $pageTitle . '</title>
</head>
<body>
<div class="wrapper">
<div class="header"></div>
<div class="body">
<div class="side_panel left"></div>
<div class="main_panel">';
$pageBody = '';
$pageFooter = '
</div>
</div>
<div class="footer"></div>
</div>
</body>
</html>';
}
$section = "home"; // Default page loaded
if( isset( $_REQUEST[ "section" ] ) ) { $section = $_REQUEST[ "section" ]; }
if( isset( $_SESSION[ "medSys" ][ "loggedOn" ] ) ) {
$user = new User( $_SESSION[ "medSys" ][ "loggedOn" ] ); // Who is currently logged on?
switch( $section ) {
case "access" : { // Log out
$action = "logOut";
if( isset( $_REQUEST[ "action" ] ) ) {
$action = $_REQUEST[ "action" ];
}
switch( $action ) {
case "logOut" :
default : {
unset( $_SESSION[ "medSys" ][ "loggedOn" ] );
// Redirect
$host = $_SERVER[ 'HTTP_HOST' ];
$uri = rtrim( dirname( $_SERVER[ 'PHP_SELF' ] ), '/\\' );
// If no headers are sent, send one
if( !headers_sent() ) {
header( "Location: http://" . $host . $uri . "/" );
exit;
}
}
break;
case "unRegister" : {
// Ask user to confirm
}
break;
}
}
break;
case "home" :
default : { // Default page
$pageBody .= '
<ul>
<li>
<a href="?section=patients">patients</a>
</li>
<li>
<a href="?section=entries">records</a>
</li>
<li>
<a href="?section=access">' . $user -> getScreenName() . '</a>
</li>
</ul>';
}
break;
case "patients" : { // Manage patients
$action = "list";
if( isset( $_REQUEST[ "action" ] ) ) { $action = $_REQUEST[ "action" ]; }
switch( $action ) {
case "list" :
default : {
$patients = getPatients();
if( count( $patients ) > 0 ) {
$pageBody .= '
<table>
<thead>
<tr>
<th>#</th>
<th>patient ID</th>
<th>name</th>
<th>action</th>
</tr>
</thead>
<tbody>';
$count = 1;
foreach( $patients as $patientID ) {
$patient = new Patient( $patientID );
$pageBody .= '
<tr>
<td>' . $count . '</td>
<td>' . $patient -> getUniqueID() . '</td>
<td>' . $patient -> getName() . '</td>
<td>
<ul>
<li>
<a href="?section=patients&action=view&target=' . $patient -> getUniqueID() . '">view</a>
</li>
<li>
<a href="?section=patients&action=edit&target=' . $patient -> getUniqueID() . '">edit</a>
</li>
</ul>
</td>
</tr>';
$count++;
}
$pageBody .= '
</tbody>
</table>';
}
else {
// No records to display
$pageBody .= '
<div class="dialog">
<p>There are no records to display</p>
</div>';
}
}
break;
case "add" : {
if( isset( $_POST[ "name" ] ) ) { // Data returned, process it
$patient = new Patient( "00000", $_POST[ "name" ], $_POST[ "gender" ], $_POST[ "dateOfRegistration" ] );
if( $patient -> validate() ) {
if( $patient -> save() ) {
// Data saved
$pageBody .= '
<div class="dialog success">
<p>The patient data was saved successfully</p>
</div>';
}
else {
// There was an issue
$pageBody .= '
<div class="dialog error">
<p>There was a problem saving the patient data</p>
</div>';
}
}
else {
$pageBody .= $patient -> displayForm( 2 );
}
}
else { // Display the form
$pageBody .= '
<div class="dialog">
<form action="?section=patients&action=add"
method="post">
<fieldset class="info">
<legend>patient info</legend>
<div class="row">
<label for="name">name</label>
<input type="text"
name="name"
required="required" />
</div>
<div class="row">
<label for="gender">gender</label>
<select name="gender">
<option value="0">---</option>
<option value="1">male</option>
<option value="2">female</option>
</select>
</div>
<div class="row">
<label for="dateOfRegistration">date of registration</label>
<input type="datetime"
name="dateOfRegistration"
value="' . date( "Y-m-d H:i:s") . '" />
</div>
</fieldset>
<fieldset class="buttons">
<button type="reset">reset</button>
<button type="submit">submit</button>
</fieldset>
</form>
</div>';
}
}
break;
case "edit" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isPatient( 0, $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$patient = new Patient( $target );
if( isset( $_REQUEST[ "name" ] ) ) { // Has data been submitted back from the form?
// Populate object
$patient -> setName( $_POST[ "name" ] );
if( $patient -> validate() ) {
if( $patient -> update() ) {
// Success!
$pageBody .= '
<div class="dialog">
<p>The patient data was saved successfully</p>
</div>';
}
else {
// There was a problem saving your data
$pageBody .= '
<div class="dialog">
<p>There was a problem saving the patient data</p>
</div>';
}
}
else {
$pageBody .= $patient -> displayForm( 2 );
}
}
else {
$pageBody .= $patient -> displayForm( 1 );
}
}
else {
$pageBody .= '
<div class="dialog error">
<p>The patient ID provided: "' . $_REQUEST[ "target" ] . '" is not recognised on the system</p>
</div>';
}
}
else {
// Target not specified
$pageBody .= '
<div class="dialog">
<p>You have not specified a patient whose details to see. perhaps you meant to <a href="?section=patients">list</a> them</p>
</div>';
}
}
break;
case "view" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isPatient( 0, $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$patient = new Patient( $target );
// Display they record
$pageBody .= '
<div class="dialog">
<table>
<tbody>
<tr>
<th>patient ID</th>
<td>' . $patient -> getUniqueID() . '</td>
</tr>
<tr>
<th>name</th>
<td>' . $patient -> getName() . '</td>
</tr>
<tr>
<th>date added</th>
<td>' . $patient -> getDateOfRegistration() . '</td>
</tr>
</tbody>
</table>
</div>';
}
else {
$pageBody .= '
<div class="dialog error">
<p>The patient ID provided: "' . $_REQUEST[ "target" ] . '" is not recognised on the system</p>
</div>';
}
}
else {
// Target not specified
$pageBody .= '
<div class="dialog">
<p>You have not specified a patient whose details to see. perhaps you meant to <a href="?section=patients">list</a> them</p>
</div>';
}
}
break;
case "delete" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isPatient( $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$patient = new Patient( $target );
if( $patient -> delete() ) {
$pageBody .= '
<div class="dialog success">
<p>Records deleted</p>
</div>';
}
else {
$pageBody .= '
<div class="dialog error">
<p>There was a problem deleteing patient : ' . $patient -> getUniqueID() . '"s records</p>
</div>';
}
}
else {
$pageBody .= '
<div class="dialog error">
<p>The patient ID provided is not recognised by the system</p>
</div>';
}
}
else {
// Target not specified
$pageBody .= '
<div class="dialog">
<p>You have not specified a patient whose details to see. perhaps you meant to <a href="?section=patients">list</a> them</p>
</div>';
}
}
break;
case "search" : {
if( isset( $_REQUEST[ "q" ] ) ) {
$query = '
SELECT
`uniqueID`
FROM
`patientDetails`
WHERE
`name` = "' . $_REQUEST[ "q" ] . '"';
}
else {
$pageBody .= '
<div class="dialog">
<form action="?section=patients&action=search">
<fieldset class="info">
<legend>search</legend>
<div class="row">
<input type="text"
name="q"
placeholder="lookig for something?"
required="required" />
</div>
</fieldset>
<fieldset class="buttons">
<button type="submit">search</button>
</fieldset>
</form>
</div>';
}
}
break;
}
}
break;
case "entries" : { // Make entries into patient files
$action = "list";
if( isset( $_REQUEST[ "action" ] ) ) { $action = $_REQUEST[ "action" ]; }
switch( $action ) {
case "list" :
default : {
$entries = getEntries();
if( count( $entries ) > 0 ) {
$pageBody .= '
<table>
<thead>
<tr>
<th>#</th>
<th>timestamp</th>
<th>patient</th>
<th>action</th>
</tr>
</thead>
<tbody>';
$count = 1;
foreach( $entries as $entryID ) {
$entry = new Entry( $entryID );
$patient = new Patient( $entry -> getPatientID() );
$pageBody .= '
<tr>
<td>' . $count . '</td>
<td>' . $entry -> getTimestamp() . '</td>
<td>' . $patient -> getName() . '</td>
<td>
<ul>
<li>
<a href="?section=entries&action=view&target=' . $entryID . '"></a>
</li>
<li>
<a href="?section=entries&action=view&target=' . $entryID . '"></a>
</li>
</ul>
</td>
</tr>';
$count++;
}
$pageBody .= '
</tbody>
</table>';
}
else {
$pageBody .= '
<div class="dialog">
<p>No record to display</p>
</div>';
}
}
break;
case "add" : {
if( isset( $_POST[ "name" ] ) ) { // Data returned, process it
$entry = new Entry( "00000", $_POST[ "patient" ], $_POST[ "officer" ], $_POST[ "clerk" ], $_POST[ "entry" ] );
if( $entry -> validate() ) {
if( $entry -> save() ) {
$pageBody .= '
<div class="dialog success">
<p>Data saved</p>
</div>';
}
else {
$pageBody .= '
<div class="dialog error">
<p>There was an issue</p>
</div>';
}
}
else {
$pageBody .= '
<div class="dialog">' . $entry -> displayForm( 2 ) . '
</div>';
}
}
else { // Display the form
$pageBody .= '
<div class="dialog">
<form action="?section=entries&action=add"
method="post">
<fieldset class="info">
<legend>data</legend>
<div class="row">
<label>blood pressure ( BP )</label>
<input type="text"
name="bloodPressure"
placeholder="blood pressure ( systolic/diastolic )"
required="required" />
</div>
<div class="row">
<label>weight</label>
<input type="text"
name="weight"
placeholder="weight in kilo grammes"
required="required" />
</div>
<div class="row">
<label>height</label>
<input type="text"
name="height"
placeholder="height in centi-metres"
required="required" />
</div>
</fieldset>
<fieldset>
<button type="reset">reset</button>
<button type="submit">submit</button>
</fieldset>
</form>
</div>';
}
}
break;
case "edit" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isEntry( $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$entry = new Entry( $target );
if( isset( $_REQUEST[ "name" ] ) ) { // Has data been submitted back from the form?
// Populate object
$entry -> setName( $_POST[ "name" ] );
if( $entry -> validate() ) {
if( $entry -> save() ) {
// Success!
$pageBody .= '
<div class="dialog success">
<p>The entry was succesfully saved</p>
</div>';
}
else {
// There was a problem saving your data
$pageBody .= '
<div class="dialog error">
<p>There was a problem saving your data</p>
</div>';
}
}
else {
$pageBody .= '
<div class="dialog">' . $entry -> displayForm( 2 ) . '
</div>';
}
}
else {
$pageBody .= '
<div class="dialog">' . $entry -> displayForm( 1 ) . '
</div>';
}
}
else {
$pageBody .= '
<div class="dialog error">
<p>The entry ID you have specified: "' . $_REQUEST[ "target" ] . '" is not identified on the systen</p>
</div>';
}
}
else {
// Target not specified
$pageBody .= '
<div class="dialog error">
<p>You need to specify an entry to edit, perhaps you wanted to <a href="?section=entries">list</a> them</p>
</div>';
}
}
break;
case "view" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isEntry( $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$entry = new Entry( $target );
// Display they record
$pageBody .= '
<div class="dialog">
<p></p>
</div>';
}
else {
$pageBody .= '
<div class="dialog error">
<p>The entry ID you have specified: "' . $_REQUEST[ "target" ] . '" is not identified on the systen</p>
</div>';
}
}
else {
// Target not specified
}
}
break;
case "delete" : {
if( isset( $_REQUEST[ "target" ] ) ) {
if( isEntry( $_REQUEST[ "target" ] ) ) {
$target = $_REQUEST[ "target" ];
$entry = new Entry( $target );
if( $entry -> delete() ) {
$pageBody .= '
<div class="dialog success">
<p>The entry was succesfully deleted</p>
</div>';
}
else {
$pageBody .= '
<div class="dialog error">
<p>There was an error deleting the entry</p>
</div>';
}
}
else {
$pageBody .= '
<div class="dialog error">
<p>The Entry ID you have provided: "' . $_REQUEST[ "target" ] . '" is not recognized</p>
</div>';
}
}
else {
// Target not specified
$pageBody .= '
<div class="dialog error">
<p>The entry ID you provided: "' . $_REQUEST[ "target" ] . '" is not recognised on the system</p>
</div>';
}
}
break;
}
}
break;
}
}
else {
$section = "access";
if( isset( $_REQUEST[ "section" ] ) ) {
$section = $_REQUEST[ "section" ];
}
switch( $section ) {
case "access" : {
$action = "logIn";
if( isset( $_REQUEST[ "action" ] ) ) {
$action = $_REQUEST[ "action" ];
}
switch( $action ) {
case "logIn" : {
if( isset( $_REQUEST[ "screenName" ] ) && isset( $_REQUEST[ "password" ] ) ) {
$query = '
SELECT
`uniqueID`
FROM
`accountDetails`
WHERE
`status` = "1"
AND
`accessLevel` = "0"
AND
`screenName` = "' . $_REQUEST[ "screenName" ] . '"
AND
`password` = MD5( "' . $_REQUEST[ "password" ] . '" )
';
try {
if( $result = $dbh -> query( $query ) ) {
$results = $result -> fetchAll();
if( count( $results ) == 1 ) {
$_SESSION[ "medSys" ][ "loggedOn" ] = $results[ 0 ] [ "uniqueID" ];
}
else {
// More than one matching entry, something is very wrong
$pageBody .= '
<div class="dialog error">
<p>There were multiple entries</p>
</div>';
}
}
else {
$pageBody .= '
<div class="dialog error">
<h4>Log In Error : 001</h4>
<p>There was an Error trying to log you in :(</p>
<p>Please contact the administrator if this persists</p>
</div>';
}
}
catch( PDOException $e ) {
print "Error!: " . $e -> getMessage() . "<br/>";
die();
}
// Redirect
$host = $_SERVER[ 'HTTP_HOST' ];
$uri = rtrim( dirname( $_SERVER[ 'PHP_SELF' ] ), '/\\' );
// If no headers are sent, send one
if( !headers_sent() ) {
header( "Location: http://" . $host . $uri . "/" );
exit;
}
}
else {
$pageBody .= '
<div class="dialog" style="width: 30em; margin: 5em auto;">
<form action="?section=access&action=logIn"
method="post">
<fieldset class="info">
<legend>log in</legend>
<div class="row">
<label for="screenname">username</label>
<input type="text"
name="screenName"
placeholder="your username"
required="required" />
</div>
<div class="row">
<label for="password">password</label>
<input type="password"
name="password"
placeholder="your password"
required="required" />
</div>
</fieldset>
<fieldset class="buttons">
<button type="reset">reset</button>
<button type="submit">submit</button>
</fieldset>
</form>
</div>';
}
}
break;
}
}
break;
}
}
$format = "html";
if( isset( $_REQUEST[ "format" ] ) ) { $format = $_REQUEST[ "format" ]; }
switch( $format ) {
case "ajax" : {
$output = $pageBody;
}
break;
case "html" :
default : {
$output = $pageHeader . $pageBody . $pageFooter;
}
break;
case "xml" : {}
break;
case "json" : {}
break;
case "text" : {}
break;
case "csv" : {}
break;
case "pdf" : {}
break;
}
echo $output;
?>