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class-trackserver-track.php
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class-trackserver-track.php
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<?php
if ( ! defined( 'TRACKSERVER_PLUGIN_DIR' ) ) {
die( 'No, sorry.' );
}
class Trackserver_Track {
// Database fields
public $id = null;
public $user_id = null;
public $name = '';
public $created = null;
public $source = '';
public $comment = '';
public $distance = 0;
public $trackdata = null;
private $trackserver;
private $tbl_tracks;
private $tbl_locations;
/**
* Initialize the instance.
*
* @since 5.0
*/
public function __construct( $trackserver, $value = null, $user_id = null, $field = 'id', $restrict = true ) {
global $wpdb;
$this->trackserver = $trackserver;
$this->user_id = (int) $user_id;
$this->tbl_tracks = $this->trackserver->tbl_tracks;
$this->tbl_locations = $this->trackserver->tbl_locations;
if ( ! ( is_null( $value ) || is_null( $user_id ) ) ) {
$this->get_by( $field, (string) $value, (int) $user_id, $restrict );
}
}
/**
* Get a track from the database by diffent fields.
*
* Given a track ID or name and a user ID, get the track's properties and
* store them on this object. Returns true on success or false on failure.
*
* If $restrict is true or $field == 'name', the track must be owned by the specified user.
* If $restrict is false and $field == 'id', the request is satisfied if the user can 'trackserver_publish'.
*
* @since 5.0
*/
public function get_by( $field, $value, $user_id, $restrict = true ) {
global $wpdb;
switch ( $field ) {
case 'id':
$db_column = 'id';
if ( ! user_can( $user_id, 'trackserver_publish' ) ) {
$restrict = true; // Require user_id to match if the user lacks capability
}
break;
case 'name':
$db_column = 'name';
$restrict = true; // Require user_id to match for name-based requests
break;
default:
return false;
}
if ( $restrict === false ) {
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
$sql = $wpdb->prepare( 'SELECT * FROM ' . $this->tbl_tracks . " WHERE $db_column = %s ORDER BY updated DESC LIMIT 1", $value );
} else {
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
$sql = $wpdb->prepare( 'SELECT * FROM ' . $this->tbl_tracks . " WHERE user_id=%d AND $db_column = %s ORDER BY updated DESC LIMIT 1", $user_id, $value );
}
$row = $wpdb->get_row( $sql, ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
if ( ! is_null( $row ) ) {
$this->id = (int) $row['id'];
$this->user_id = (int) $row['user_id'];
$this->name = (string) $row['name'];
$this->created = (string) $row['created'];
$this->source = (string) $row['source'];
$this->comment = (string) $row['comment'];
$this->distance = (int) $row['distance'];
return true;
}
return false;
}
/**
* Save the track to the database.
*
* If the instance doesn't have an ID, insert a new track, otherwise update
* the existing track. Returns the track ID on success, or false on failure.
*
* @since 5.0
*/
public function save() {
global $wpdb;
$data = array(
'user_id' => $this->user_id,
'name' => $this->name,
'created' => $this->created,
'source' => $this->source,
'comment' => $this->comment,
'distance' => $this->distance,
);
$format = array( '%d', '%s', '%s', '%s', '%s', '%d' );
if ( is_null( $this->id ) ) {
$this->created = current_time( 'Y-m-d H:i:s' );
$data['created'] = $this->created;
if ( $wpdb->insert( $this->tbl_tracks, $data, $format ) ) {
$this->id = $wpdb->insert_id;
return $this->id;
}
} else {
$where = array( 'id' => $this->id );
$where_fmt = array( '%d' );
if ( $wpdb->update( $this->tbl_tracks, $data, $where, $format, $where_fmt ) ) {
return $this->id;
}
}
return false;
}
/**
* Set a property on this object to a given value.
*
* @since 5.0.
*/
public function set( $what, $value ) {
$this->$what = $value;
}
/**
* Get the track's location data from the database, store it on the instance and return it.
*
* @since 5.0
*/
public function get_trackdata() {
global $wpdb;
if ( is_null( $this->id ) ) {
return array();
}
if ( is_null( $this->trackdata ) ) {
$sql = $wpdb->prepare(
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
'SELECT id, latitude, longitude, altitude, speed, heading, occurred, comment FROM ' . $this->tbl_locations . ' WHERE trip_id=%d ORDER BY occurred',
$this->id
);
$this->trackdata = $wpdb->get_results( $sql, ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
}
return $this->trackdata;
}
/**
* Permanently remove a track and all its locations from the database. There
* is no checking for errors.
*
* @since 5.0
*/
public function delete() {
global $wpdb;
if ( is_null( $this->id ) ) {
return false;
}
$loc_where = array(
'trip_id' => $this->id,
);
$trip_where = array(
'id' => $this->id,
);
$wpdb->delete( $this->tbl_locations, $loc_where );
$wpdb->delete( $this->tbl_tracks, $trip_where );
return true;
}
} // class