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Search.php
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Search.php
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<html>
<head>
<?php
/**
* Search.php
* Handles all search requests and displays results
* Search can be performed for College, Department, Professor and Course.
*/
include_once('db_connect.php');
include_once('links.html');
include_once('nav.php');
?>
<link rel="stylesheet" type="text/css" href="//cdn.datatables.net/1.10.11/css/jquery.dataTables.css">
<script type="text/javascript" charset="utf8" src="//cdn.datatables.net/1.10.11/js/jquery.dataTables.js"></script>
<script type="text/javascript" src="js/dataTables.scrollingPagination.js"></script>
<title>Search Result</title>
</head>
<body style="background: url('img/pattern.png');">
<?php
$isDepartment = array_key_exists('Department', $_POST);
$isCourse = array_key_exists('Course', $_POST);
$count = 0;
if ($isCourse) {
$count = search($db, "course");
} else if ($isDepartment) {
$count = search($db, "department");
} else {
if (!(array_key_exists('collegeOnly', $_POST))) {
$count += search($db, "professor");
}
if (!(array_key_exists('professorOnly', $_POST))) {
$count += search($db, "college");
}
}
if ($count <= 0) {
echo "<h3><p align='center'>Sorry, Your search didn't return any results.</p></h3>";
}
function search($db, $target) {
$query = "SELECT * FROM $target WHERE name LIKE ?;";
$param = null;
if ($target == "course") {
$course = $_POST['Course'];
$college = $_POST['College'];
$query = "SELECT course.id AS id, course.name AS name, department.id AS dept_id, department.name AS deptName, " .
"college.id AS collegeID, college.name AS collegeName" .
" FROM (course JOIN department ON course.dept_id=department.id) JOIN college ON college_id=college.id" .
" WHERE (course.name LIKE ? OR course.code LIKE ?) AND college.name LIKE ?;";
$param = array("%$course%", "%$course", "%$college%");
}
else {
$searchQuery = null;
if ($target == "department") {
$query = "SELECT * FROM college WHERE name LIKE ?;";
$searchQuery = $_POST['College'];
$param = array("%$searchQuery%");
}
else { // professor and college
if (array_key_exists('state', $_POST)) {
$searchQuery = $_POST['state'];
$query = "SELECT * FROM college WHERE state=?;";
$param = array($searchQuery);
}
else {
$searchQuery = $_POST['query'];
$param = array("%$searchQuery%");
}
}
}
$result = $db->prepare($query);
$result->execute($param);
$rowCount = $result->rowCount();
$deptCount = 0;
if ($rowCount > 0) {
echo "<h2 align='center' style='color: dodgerblue;'>" . strtoupper($target) . "</h2><br>\n";
echo "<table id='search' class='table-striped table-bordered' align='center' width='80%' cellspacing='0'>\n";
foreach ($result as $row) {
$name = $row['name'];
$id = $row['id'];
$deptCol = $row;
$deptName = null; $collegeID = null; $collegeName = null; $city = null; $state = null; $website = null;
if ($target == "professor") {
$deptCol = $db->prepare("SELECT department.name AS deptName, college.name AS collegeName, college.id AS collegeID" .
" FROM department JOIN college ON department.id=? AND college_id=college.id;");
$deptCol->execute(array($row['dept_id']));
$deptCol = $deptCol->fetch();
}
if ($target == "course" || $target == "professor") {
$deptName = $deptCol['deptName'];
$collegeID = $deptCol['collegeID'];
$collegeName = $deptCol['collegeName'];
}
else {
$city = $row['city'];
$state = $row['state'];
$website = $row['website'];
if (!(substr($website, 0, 4) == "http")) {
$website = "http://" . $website;
}
$collegeAddress = $city . ", " . $state;
}
if ($target == "department") {
$dept = $_POST['Department'];
$depts = $db->prepare("SELECT * FROM department WHERE college_id=? AND name LIKE ?;");
$depts->execute(array($id, "%$dept%"));
$deptCount += $depts->rowCount();
if ($depts->rowCount() != 0) {
foreach ($depts as $dep) {
printf("\t<tr>\n");
printf("\t\t<td><b><h3><a href='department.php?id=%s'>%s</a></h3></b>" .
"<h4><p><a href='college.php?id=$id'>$name</a></p>" .
"<p>$collegeAddress</p></h4></td>\n", $dep['id'], $dep['name']);
printf("\t</tr>\n");
}
}
$rowCount = $deptCount;
}
else {
printf("\t<tr>\n");
printf("\t\t<td><b><h3><a href='$target.php?id=$id'>$name</a></h3></b>");
if ($target == "college") {
printf("<h4><p>$city, $state</p> <p><a href='$website'>$website</a></p></h4></td>\n");
} else {
printf("<h4><p><a href='department.php?id=%s'>$deptName</a></p>", $row['dept_id']);
printf("<p><a href='college.php?id=$collegeID'>$collegeName</a></p></h4></td>\n");
printf("\t\t<td><form class='navbar-form' method='POST' action='$target-review.php'><input type='hidden' name='$target" . "_id' value='$id'>" .
"<button type='success' class='btn btn-primary btn-md'>Rate this " . strtoupper(substr($target,0,1)).substr($target,1));
printf("</button></form></td>\n");
}
printf("\t</tr>\n");
}
}
printf("</table>\n");
}
return $rowCount;
}
?>
</body>
</html>