person.json

<?php
//set correct content-type for json output
header('Content-Type: application/json');

//pass database parameters and connect to database
include_once './meta/assets/database-params.inc';
//bring special functions and utilities onto page
include './meta/inc/utilities.php';

//check if the $id variable was passed in url, escape the string for mysql, and validate that it is a numeric value - pass id value to select record
if (isset($_GET['id']) and is_numeric($_GET['id'])) {
  $id = strip_tags($connectLibstaff->real_escape_string((int)$_GET['id']));
} else {
  echo 'Query type not supported.';
  exit;
}

//get and set url protocol
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? 'https://' : 'http://';
//set and sanitize global variables for URL construction
$server = isset($_SERVER['SERVER_NAME']) ? htmlentities(strip_tags($_SERVER['SERVER_NAME'])) : null;
$path = isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags(dirname($_SERVER['PHP_SELF']))) : null;
$fileName = isset($_SERVER['SCRIPT_NAME']) ? htmlentities(strip_tags(basename($_SERVER['SCRIPT_NAME']))) : null;
$fileNameURI = isset($_SERVER['REQUEST_URI']) ? htmlentities(strip_tags($_SERVER['REQUEST_URI'])) : null;
$fileExtension = isset($_SERVER['PATH_INFO']) ? pathinfo($fileName, PATHINFO_EXTENSION) : null;

//request selected staff data fields
$query = "SELECT * FROM linked_people.person WHERE person_status = 'a' AND person_id='$id'";
$getPerson = $connectLibstaff->query($query);

if ($getPerson->num_rows == 0) {
  header("HTTP/1.0 404 Not Found", true, 404);
  readfile("https://lib.montana.edu/error.php");
  exit();
}
//Display selected staff entry fields in a list
while ($row = $getPerson->fetch_object()) {
  $person_id = stripslashes($row->person_id);
  $person_fname = stripslashes($row->givenName);
  $person_lname = stripslashes($row->familyName);
  $person_name = stripslashes($row->givenName . ' ' . $row->familyName);
  $person_title = stripslashes($row->jobTitle);
  $person_dept = stripslashes($row->memberOf);
  $person_affiliation = stripslashes($row->affiliation);
  $person_room = stripslashes($row->workLocation);
  $person_phone = stripslashes($row->telephone);
  $person_email = stripslashes($row->email);
  $person_emailHidden = stripslashes(formatEmailLink($row->email));
  $person_vita = stripslashes($row->person_vita);
  $person_web = stripslashes($row->url);
  $person_image = $protocol.$server.$path.'/meta/img/photos/'.stripslashes($row->image);
  $person_identifier = stripslashes(htmlentities($row->identifier));
  $person_same_as = stripslashes(htmlentities($row->sameAs));
  $person_privacy = $row->person_privacy;
?>
{
  "@context": "https://schema.org/",
  "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id; ?>",
  "@type": "Person",
  "name": "<?php echo $person_name; ?>",
  "description": "Description of <?php echo $person_name; ?>'s skills, expertise, and networks",
  "identifier": "<?php echo $protocol.$server.$path.'/about/'.$id; ?>",
  "jobTitle": "<?php echo $person_title; ?>",
  "memberOf": "<?php echo $person_dept; ?>",
  "email": "<?php echo $person_email; ?>",
  "image": "<?php echo $person_image; ?>",
  "telephone": "<?php echo $person_phone; ?>",
<?php
if (strlen($person_web) > 3) {
?>
  "url": "<?php echo $person_web; ?>",
<?php
}
?>
  "affiliation": "<?php echo $person_affiliation; ?>",
  "worksFor": {
    "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#organization'; ?>",
    "@type": "EducationalOrganization",
    "name": "<?php echo $person_affiliation; ?> Library",
    "sameAs": [ 
      "<?php echo 'https://dbpedia.org/resource/Montana_State_University_Library'; ?>",
      "<?php echo 'http://www.freebase.com/m/0j3y9r1'; ?>",
      "<?php echo 'https://www.wikidata.org/entity/Q15255419'; ?>",
      "<?php echo 'https://www.worldcat.org/wcr/organization/data/56245'; ?>"
    ],
    "member": {
      "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#member'; ?>",
      "@type": "OrganizationRole",
      "name": "<?php echo $person_name; ?>",
      "sameAs": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#person'; ?>",
      "roleName": "<?php echo $person_title; ?>"
    }
  },
  "address": {
    "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#address'; ?>",
    "@type": "PostalAddress",
    "streetAddress": "P.O. Box 173320",
    "addressLocality": "Bozeman",
    "addressRegion": "MT",
    "postalCode": "59717-3320"
  },
  "knows": {
    "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#colleague'; ?>",
    "@type": "Person",
    "colleague": [
<?php
//get person's colleagues
$query = "SELECT person_id FROM linked_people.person WHERE person_status = 'a' AND memberOf='$person_dept'";
$getColleagues = $connectLibstaff->query($query);
if ($getColleagues->num_rows == 0) {
?>
    "No colleagues assigned to this person."
<?php
}
$separator = "";
while ($row = $getColleagues->fetch_object()) {
  $colleague_id = $row->person_id;
  $colleague_url = $protocol.$server.$path.'/about/'.$colleague_id;
  //print list of colleagues
  echo $separator.'"'.$colleague_url.'"';
  $separator = ",\n";
}
?>
    ]
  },
  "makesOffer": {
    "@id": "<?php echo $protocol.$server.$path.'/'.$fileName.'?id='.$id.'#offer'; ?>",
    "@type": "Offer",
    "category": [
<?php
//get person's expertise topics
$query = "SELECT *
FROM linked_people.person, linked_people.create_action, linked_people.create_action_match
WHERE person.person_id = '$id'
AND create_action_match.create_id = create_action.create_id
AND create_action_match.person_id = '$id'
AND person.person_status =  'a'";

$getPersonExpertise = $connectLibstaff->query($query);
if ($getPersonExpertise->num_rows == 0) {
?>
    "No expertise or skill(s) assigned to this person."
<?php
}
$separator = "";
while ($row = $getPersonExpertise->fetch_object()) {
  $expertise_id = $row->create_id;
  $expertise = $row->object;
  $expertise_url = $row->object_uri;
  //print list of expertise topics
  echo $separator.'"'.$expertise_url.'"';
  $separator = ",\n";
}
?>
    ]
  },
  "sameAs" : [
<?php
if (strlen($person_identifier) < 3 && strlen($person_same_as) < 3) {
    echo '"No equivalency mapped for this person."'."\n";
}
if (strlen($person_identifier) > 3 && strlen($person_same_as) > 3) {
    echo '"'.$person_identifier.'"'.",\n";
    echo '"'.$person_same_as.'"';
}
if (strlen($person_identifier) > 3 && strlen($person_same_as) < 3) {
    echo '"'.$person_identifier.'"'."\n";
}
if (strlen($person_same_as) > 3 && strlen($person_identifier) < 3) {
    echo '"'.$person_same_as.'"'."\n";
}
}//end initial while loop
?>
  ]
}