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<?php
class EasyOptInsActivity {
private static $instance;
public $settings;
private $text;
private $table_name;
private $form_stats;
private $daily_stats;
public static function get_instance() {
if ( ! self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
public function __construct() {
global $wpdb;
$this->table_name = $wpdb->prefix . "fca_eoi_activity";
$this->text = array(
'impressions' => array(
'total' => __( 'Total Impressions' ),
'form' => __( 'Form Impressions' )
),
'conversions' => array(
'total' => __( 'Total Conversions' ),
'form' => __( 'Form Conversions' )
),
'conversion_rate' => array(
'total' => __( 'Conversion Rate' ),
'form' => __( 'Conversion Rate' ),
),
'period' => __( 'Last %d days' ),
'all_time' => __( 'All time' )
);
if ( !defined ( 'FCA_EOI_DISABLE_STATS_TRACKING' )) {
add_action( 'wp_ajax_fca_eoi_activity', array( $this, 'track_activity' ) );
add_action( 'wp_ajax_nopriv_fca_eoi_activity', array( $this, 'track_activity' ) );
}
}
public function get_text( $name, $category = null, $parameters = array() ) {
$plain_text = $this->text[ $name ];
$text = $category ? $plain_text[ $category ] : $plain_text;
if ( ! empty( $parameters ) ) {
$text = call_user_func_array( 'sprintf', array_merge( array( $text ), $parameters ) );
}
if ( $name == 'period' && empty( $parameters[0] ) ) {
$text = $this->text['all_time'];
}
return $text;
}
public function setup() {
$sql = "CREATE TABLE $this->table_name (
form_id INT(11) NOT NULL,
type ENUM('impression', 'conversion') NOT NULL,
timestamp TIMESTAMP NOT NULL,
day DATE NOT NULL,
KEY form_id (form_id),
KEY timestamp (timestamp),
KEY day (day)
);";
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
dbDelta( $sql );
}
public function track_activity() {
$nonce = sanitize_text_field( $_REQUEST['nonce'] );
$form_id = intval( $_REQUEST['form_id'] );
$nonceVerified = ( wp_verify_nonce( $nonce, 'fca_eoi_activity') OR wp_verify_nonce( $nonce, 'fca_eoi_submit_form') );
$idVerified = is_int( $form_id ) && $form_id > 0;
if ( $nonceVerified && $idVerified ) {
require_once FCA_EOI_PLUGIN_DIR . 'includes/classes/RobotDetector/RobotDetector.php';
$robot_detector = new RobotDetector();
if ( get_post( $form_id ) && !is_user_logged_in() && !$robot_detector->is_robot() ) {
$this->add_impression( $form_id );
wp_send_json_success( $form_id );
}
}
wp_send_json_error();
}
public function format_column_text( $column_name, $value ) {
if ( $column_name == 'conversion_rate' ) {
return number_format( $value * 100, 2 ) . '%';
} else {
return $value;
}
}
public function get_daily_stats( $day_interval ) {
if ( empty( $this->daily_stats ) ) {
global $wpdb;
$days = array();
$stats = array(
'impressions' => array(),
'conversions' => array(),
'totals' => array(
'impressions' => 0,
'conversions' => 0,
'conversion_rate' => 0
)
);
$now = time();
for ( $i = $day_interval - 1; $i >= 0; $i -- ) {
$time = $now - ( 86400 * $i );
$day = date( 'Y-m-d', $time );
$days[] = $day;
$stats['impressions'][ $day ] = 0;
$stats['conversions'][ $day ] = 0;
}
foreach ( array( 'impression', 'conversion' ) as $activity_type ) {
$query = $this->get_daily_stats_query( $activity_type, $day_interval );
foreach ( $wpdb->get_results( $query ) as $result ) {
$activity_type_plural = $activity_type . 's';
if ( ! array_key_exists( $result->day, $stats[ $activity_type_plural ] ) ) {
continue;
}
$total = (int) $result->total;
$stats[ $activity_type_plural ][ $result->day ] = $total;
$stats['totals'][ $activity_type_plural ] += $total;
}
}
$stats['totals']['conversion_rate'] = $this->calculate_conversion_rate(
$stats['totals']['impressions'],
$stats['totals']['conversions']
);
$this->daily_stats = $stats;
}
return $this->daily_stats;
}
public function get_form_stats( $day_interval ) {
if ( empty( $this->form_stats ) ) {
global $wpdb;
$stats = array();
$ids = array();
foreach ( array( 'impression', 'conversion' ) as $activity_type ) {
$stat = array();
$query = $this->get_form_stats_query( $activity_type, $day_interval );
foreach ( $wpdb->get_results( $query ) as $result ) {
$ids[ $result->form_id ] = true;
$stat[ $result->form_id ] = (int) $result->total;
}
$stats[ $activity_type . 's' ] = $stat;
}
foreach ( array_keys( $ids ) as $form_id ) {
$stats['conversion_rate'][ $form_id ] = $this->calculate_conversion_rate(
floatval( empty( $stats['impressions'][ $form_id ] ) ? 0 : $stats['impressions'][ $form_id ] ),
floatval( empty( $stats['conversions'][ $form_id ] ) ? 0 : $stats['conversions'][ $form_id ] )
);
}
$this->form_stats = $stats;
}
return $this->form_stats;
}
private function calculate_conversion_rate( $impressions, $conversions ) {
if ( $impressions < 1 ) {
return 0.0;
} else {
return $conversions / $impressions;
}
}
public function add_impression( $form_id ) {
$this->add_activity( $form_id, 'impression' );
}
public function add_conversion( $form_id ) {
$this->add_activity( $form_id, 'conversion' );
}
public function reset_stats( $form_id ) {
global $wpdb;
$wpdb->delete( $this->table_name, array( 'form_id' => $form_id ), '%d' );
}
private function add_activity( $form_id, $activity_type ) {
if ( !defined ( 'FCA_EOI_DISABLE_STATS_TRACKING' )) {
global $wpdb;
$time = current_time( 'mysql', 1 );
$wpdb->insert( $this->table_name, array(
'form_id' => $form_id,
'type' => $activity_type,
'timestamp' => $time,
'day' => $time
), array( '%d', '%s', '%s', '%s' ) );
}
}
private function get_form_stats_query( $activity_type, $day_interval ) {
return $this->get_stats_query( 'form_id', $activity_type, $day_interval );
}
private function get_daily_stats_query( $activity_type, $day_interval ) {
return $this->get_stats_query( 'day', $activity_type, $day_interval );
}
private function get_stats_query( $field, $activity_type, $day_interval ) {
global $wpdb;
return $wpdb->prepare(
"SELECT `$field`, COUNT(*) AS `total` " .
"FROM `$this->table_name` " .
"WHERE " .
"`type` = %s " .
( $day_interval
? "AND `timestamp` >= DATE_SUB(NOW(), INTERVAL $day_interval DAY) "
: "") .
"GROUP BY `$field`", $activity_type );
}
}