AyeCode / invoicing

includes/geolocation/class-getpaid-geolocation.php

Indentation +243 added lines, -243 removed lines

@@ -13,261 +13,261 @@
  */
 class GetPaid_Geolocation {
 
-	/**
-	 * Holds the current user's IP Address.
-	 *
-	 * @var string
-	 */
-	public static $current_user_ip;
-
-	/**
-	 * API endpoints for looking up a user IP address.
-	 *
-	 * For example, in case a user is on localhost.
-	 *
-	 * @var array
-	 */
-	protected static $ip_lookup_apis = array(
-		'ipify'             => 'http://api.ipify.org/',
-		'ipecho'            => 'http://ipecho.net/plain',
-		'ident'             => 'http://ident.me',
-		'whatismyipaddress' => 'http://bot.whatismyipaddress.com',
-	);
-
-	/**
-	 * API endpoints for geolocating an IP address
-	 *
-	 * @var array
-	 */
-	protected static $geoip_apis = array(
-		'ip-api.com' => 'http://ip-api.com/json/%s',
-		'ipinfo.io'  => 'https://ipinfo.io/%s/json',
-	);
-
-	/**
-	 * Get current user IP Address.
-	 *
-	 * @return string
-	 */
-	public static function get_ip_address() {
-		return wpinv_get_ip();
-	}
-
-	/**
-	 * Get user IP Address using an external service.
-	 * This can be used as a fallback for users on localhost where
-	 * get_ip_address() will be a local IP and non-geolocatable.
-	 *
-	 * @return string
-	 */
-	public static function get_external_ip_address() {
-
-		$transient_name = 'external_ip_address_0.0.0.0';
-
-		if ( '' !== self::get_ip_address() ) {
-			$transient_name      = 'external_ip_address_' . self::get_ip_address();
-		}
-
-		// Try retrieving from cache.
-		$external_ip_address = get_transient( $transient_name );
-
-		if ( false === $external_ip_address ) {
-			$external_ip_address     = '0.0.0.0';
-			$ip_lookup_services      = apply_filters( 'getpaid_geolocation_ip_lookup_apis', self::$ip_lookup_apis );
-			$ip_lookup_services_keys = array_keys( $ip_lookup_services );
-			shuffle( $ip_lookup_services_keys );
-
-			foreach ( $ip_lookup_services_keys as $service_name ) {
-				$service_endpoint = $ip_lookup_services[ $service_name ];
-				$response         = wp_safe_remote_get( $service_endpoint, array( 'timeout' => 2 ) );
-
-				if ( ! is_wp_error( $response ) && rest_is_ip_address( $response['body'] ) ) {
-					$external_ip_address = apply_filters( 'getpaid_geolocation_ip_lookup_api_response', wpinv_clean( $response['body'] ), $service_name );
-					break;
-				}
+    /**
+     * Holds the current user's IP Address.
+     *
+     * @var string
+     */
+    public static $current_user_ip;
+
+    /**
+     * API endpoints for looking up a user IP address.
+     *
+     * For example, in case a user is on localhost.
+     *
+     * @var array
+     */
+    protected static $ip_lookup_apis = array(
+        'ipify'             => 'http://api.ipify.org/',
+        'ipecho'            => 'http://ipecho.net/plain',
+        'ident'             => 'http://ident.me',
+        'whatismyipaddress' => 'http://bot.whatismyipaddress.com',
+    );
+
+    /**
+     * API endpoints for geolocating an IP address
+     *
+     * @var array
+     */
+    protected static $geoip_apis = array(
+        'ip-api.com' => 'http://ip-api.com/json/%s',
+        'ipinfo.io'  => 'https://ipinfo.io/%s/json',
+    );
+
+    /**
+     * Get current user IP Address.
+     *
+     * @return string
+     */
+    public static function get_ip_address() {
+        return wpinv_get_ip();
+    }
+
+    /**
+     * Get user IP Address using an external service.
+     * This can be used as a fallback for users on localhost where
+     * get_ip_address() will be a local IP and non-geolocatable.
+     *
+     * @return string
+     */
+    public static function get_external_ip_address() {
+
+        $transient_name = 'external_ip_address_0.0.0.0';
+
+        if ( '' !== self::get_ip_address() ) {
+            $transient_name      = 'external_ip_address_' . self::get_ip_address();
+        }
+
+        // Try retrieving from cache.
+        $external_ip_address = get_transient( $transient_name );
+
+        if ( false === $external_ip_address ) {
+            $external_ip_address     = '0.0.0.0';
+            $ip_lookup_services      = apply_filters( 'getpaid_geolocation_ip_lookup_apis', self::$ip_lookup_apis );
+            $ip_lookup_services_keys = array_keys( $ip_lookup_services );
+            shuffle( $ip_lookup_services_keys );
+
+            foreach ( $ip_lookup_services_keys as $service_name ) {
+                $service_endpoint = $ip_lookup_services[ $service_name ];
+                $response         = wp_safe_remote_get( $service_endpoint, array( 'timeout' => 2 ) );
+
+                if ( ! is_wp_error( $response ) && rest_is_ip_address( $response['body'] ) ) {
+                    $external_ip_address = apply_filters( 'getpaid_geolocation_ip_lookup_api_response', wpinv_clean( $response['body'] ), $service_name );
+                    break;
+                }
 }
 
-			set_transient( $transient_name, $external_ip_address, WEEK_IN_SECONDS );
-		}
-
-		return $external_ip_address;
-	}
-
-	/**
-	 * Geolocate an IP address.
-	 *
-	 * @param  string $ip_address   IP Address.
-	 * @param  bool   $fallback     If true, fallbacks to alternative IP detection (can be slower).
-	 * @param  bool   $api_fallback If true, uses geolocation APIs if the database file doesn't exist (can be slower).
-	 * @return array
-	 */
-	public static function geolocate_ip( $ip_address = '', $fallback = false, $api_fallback = true ) {
-
-		if ( empty( $ip_address ) ) {
-			$ip_address = self::get_ip_address();
-		}
-
-		// Update the current user's IP Address.
-		self::$current_user_ip = $ip_address;
-
-		// Filter to allow custom geolocation of the IP address.
-		$country_code = apply_filters( 'getpaid_geolocate_ip', false, $ip_address, $fallback, $api_fallback );
-
-		if ( false !== $country_code ) {
-
-			return array(
-				'country'  => $country_code,
-				'state'    => '',
-				'city'     => '',
-				'postcode' => '',
-			);
-
-		}
-
-		$country_code = self::get_country_code_from_headers();
-
-		/**
-		 * Get geolocation filter.
-		 *
-		 * @since 1.0.19
-		 * @param array  $geolocation Geolocation data, including country, state, city, and postcode.
-		 * @param string $ip_address  IP Address.
-		 */
-		$geolocation  = apply_filters(
-			'getpaid_get_geolocation',
-			array(
-				'country'  => $country_code,
-				'state'    => '',
-				'city'     => '',
-				'postcode' => '',
-			),
-			$ip_address
-		);
-
-		// If we still haven't found a country code, let's consider doing an API lookup.
-		if ( '' === $geolocation['country'] && $api_fallback ) {
-			$geolocation['country'] = self::geolocate_via_api( $ip_address );
-		}
-
-		// It's possible that we're in a local environment, in which case the geolocation needs to be done from the
-		// external address.
-		if ( '' === $geolocation['country'] && $fallback ) {
-			$external_ip_address = self::get_external_ip_address();
-
-			// Only bother with this if the external IP differs.
-			if ( '0.0.0.0' !== $external_ip_address && $external_ip_address !== $ip_address ) {
-				return self::geolocate_ip( $external_ip_address, false, $api_fallback );
-			}
+            set_transient( $transient_name, $external_ip_address, WEEK_IN_SECONDS );
+        }
+
+        return $external_ip_address;
+    }
+
+    /**
+     * Geolocate an IP address.
+     *
+     * @param  string $ip_address   IP Address.
+     * @param  bool   $fallback     If true, fallbacks to alternative IP detection (can be slower).
+     * @param  bool   $api_fallback If true, uses geolocation APIs if the database file doesn't exist (can be slower).
+     * @return array
+     */
+    public static function geolocate_ip( $ip_address = '', $fallback = false, $api_fallback = true ) {
+
+        if ( empty( $ip_address ) ) {
+            $ip_address = self::get_ip_address();
+        }
+
+        // Update the current user's IP Address.
+        self::$current_user_ip = $ip_address;
+
+        // Filter to allow custom geolocation of the IP address.
+        $country_code = apply_filters( 'getpaid_geolocate_ip', false, $ip_address, $fallback, $api_fallback );
+
+        if ( false !== $country_code ) {
+
+            return array(
+                'country'  => $country_code,
+                'state'    => '',
+                'city'     => '',
+                'postcode' => '',
+            );
+
+        }
+
+        $country_code = self::get_country_code_from_headers();
+
+        /**
+         * Get geolocation filter.
+         *
+         * @since 1.0.19
+         * @param array  $geolocation Geolocation data, including country, state, city, and postcode.
+         * @param string $ip_address  IP Address.
+         */
+        $geolocation  = apply_filters(
+            'getpaid_get_geolocation',
+            array(
+                'country'  => $country_code,
+                'state'    => '',
+                'city'     => '',
+                'postcode' => '',
+            ),
+            $ip_address
+        );
+
+        // If we still haven't found a country code, let's consider doing an API lookup.
+        if ( '' === $geolocation['country'] && $api_fallback ) {
+            $geolocation['country'] = self::geolocate_via_api( $ip_address );
+        }
+
+        // It's possible that we're in a local environment, in which case the geolocation needs to be done from the
+        // external address.
+        if ( '' === $geolocation['country'] && $fallback ) {
+            $external_ip_address = self::get_external_ip_address();
+
+            // Only bother with this if the external IP differs.
+            if ( '0.0.0.0' !== $external_ip_address && $external_ip_address !== $ip_address ) {
+                return self::geolocate_ip( $external_ip_address, false, $api_fallback );
+            }
 }
 
-		return array(
-			'country'  => $geolocation['country'],
-			'state'    => $geolocation['state'],
-			'city'     => $geolocation['city'],
-			'postcode' => $geolocation['postcode'],
-		);
-
-	}
-
-	/**
-	 * Fetches the country code from the request headers, if one is available.
-	 *
-	 * @since 1.0.19
-	 * @return string The country code pulled from the headers, or empty string if one was not found.
-	 */
-	protected static function get_country_code_from_headers() {
-		$country_code = '';
-
-		$headers = array(
-			'MM_COUNTRY_CODE',
-			'GEOIP_COUNTRY_CODE',
-			'HTTP_CF_IPCOUNTRY',
-			'HTTP_X_COUNTRY_CODE',
-		);
-
-		foreach ( $headers as $header ) {
-			if ( empty( $_SERVER[ $header ] ) ) {
-				continue;
-			}
-
-			$country_code = strtoupper( sanitize_text_field( wp_unslash( $_SERVER[ $header ] ) ) );
-			break;
-		}
-
-		return $country_code;
-	}
-
-	/**
-	 * Use APIs to Geolocate the user.
-	 *
-	 * Geolocation APIs can be added through the use of the getpaid_geolocation_geoip_apis filter.
-	 * Provide a name=>value pair for service-slug=>endpoint.
-	 *
-	 * If APIs are defined, one will be chosen at random to fulfil the request. After completing, the result
-	 * will be cached in a transient.
-	 *
-	 * @param  string $ip_address IP address.
-	 * @return string
-	 */
-	protected static function geolocate_via_api( $ip_address ) {
-
-		// Retrieve from cache...
-		$country_code = get_transient( 'geoip_' . $ip_address );
-
-		// If missing, retrieve from the API.
-		if ( false === $country_code ) {
-			$geoip_services = apply_filters( 'getpaid_geolocation_geoip_apis', self::$geoip_apis );
-
-			if ( empty( $geoip_services ) ) {
-				return '';
-			}
-
-			$geoip_services_keys = array_keys( $geoip_services );
-
-			shuffle( $geoip_services_keys );
-
-			foreach ( $geoip_services_keys as $service_name ) {
-
-				$service_endpoint = $geoip_services[ $service_name ];
-				$response         = wp_safe_remote_get( sprintf( $service_endpoint, $ip_address ), array( 'timeout' => 2 ) );
-				$country_code     = sanitize_text_field( strtoupper( self::handle_geolocation_response( $response, $service_name ) ) );
-
-				if ( ! empty( $country_code ) ) {
-					break;
-				}
+        return array(
+            'country'  => $geolocation['country'],
+            'state'    => $geolocation['state'],
+            'city'     => $geolocation['city'],
+            'postcode' => $geolocation['postcode'],
+        );
+
+    }
+
+    /**
+     * Fetches the country code from the request headers, if one is available.
+     *
+     * @since 1.0.19
+     * @return string The country code pulled from the headers, or empty string if one was not found.
+     */
+    protected static function get_country_code_from_headers() {
+        $country_code = '';
+
+        $headers = array(
+            'MM_COUNTRY_CODE',
+            'GEOIP_COUNTRY_CODE',
+            'HTTP_CF_IPCOUNTRY',
+            'HTTP_X_COUNTRY_CODE',
+        );
+
+        foreach ( $headers as $header ) {
+            if ( empty( $_SERVER[ $header ] ) ) {
+                continue;
+            }
+
+            $country_code = strtoupper( sanitize_text_field( wp_unslash( $_SERVER[ $header ] ) ) );
+            break;
+        }
+
+        return $country_code;
+    }
+
+    /**
+     * Use APIs to Geolocate the user.
+     *
+     * Geolocation APIs can be added through the use of the getpaid_geolocation_geoip_apis filter.
+     * Provide a name=>value pair for service-slug=>endpoint.
+     *
+     * If APIs are defined, one will be chosen at random to fulfil the request. After completing, the result
+     * will be cached in a transient.
+     *
+     * @param  string $ip_address IP address.
+     * @return string
+     */
+    protected static function geolocate_via_api( $ip_address ) {
+
+        // Retrieve from cache...
+        $country_code = get_transient( 'geoip_' . $ip_address );
+
+        // If missing, retrieve from the API.
+        if ( false === $country_code ) {
+            $geoip_services = apply_filters( 'getpaid_geolocation_geoip_apis', self::$geoip_apis );
+
+            if ( empty( $geoip_services ) ) {
+                return '';
+            }
+
+            $geoip_services_keys = array_keys( $geoip_services );
+
+            shuffle( $geoip_services_keys );
+
+            foreach ( $geoip_services_keys as $service_name ) {
+
+                $service_endpoint = $geoip_services[ $service_name ];
+                $response         = wp_safe_remote_get( sprintf( $service_endpoint, $ip_address ), array( 'timeout' => 2 ) );
+                $country_code     = sanitize_text_field( strtoupper( self::handle_geolocation_response( $response, $service_name ) ) );
+
+                if ( ! empty( $country_code ) ) {
+                    break;
+                }
 }
 
-			set_transient( 'geoip_' . $ip_address, $country_code, WEEK_IN_SECONDS );
-		}
+            set_transient( 'geoip_' . $ip_address, $country_code, WEEK_IN_SECONDS );
+        }
 
-		return $country_code;
-	}
+        return $country_code;
+    }
 
-	/**
-	 * Handles geolocation response
-	 *
-	 * @param  WP_Error|String $geolocation_response
-	 * @param  String $geolocation_service
-	 * @return string Country code
-	 */
-	protected static function handle_geolocation_response( $geolocation_response, $geolocation_service ) {
+    /**
+     * Handles geolocation response
+     *
+     * @param  WP_Error|String $geolocation_response
+     * @param  String $geolocation_service
+     * @return string Country code
+     */
+    protected static function handle_geolocation_response( $geolocation_response, $geolocation_service ) {
 
-		if ( is_wp_error( $geolocation_response ) || empty( $geolocation_response['body'] ) ) {
-			return '';
-		}
+        if ( is_wp_error( $geolocation_response ) || empty( $geolocation_response['body'] ) ) {
+            return '';
+        }
 
-		if ( $geolocation_service === 'ipinfo.io' ) {
-			$data = json_decode( $geolocation_response['body'] );
-			return empty( $data ) || empty( $data->country ) ? '' : $data->country;
-		}
+        if ( $geolocation_service === 'ipinfo.io' ) {
+            $data = json_decode( $geolocation_response['body'] );
+            return empty( $data ) || empty( $data->country ) ? '' : $data->country;
+        }
 
-		if ( $geolocation_service === 'ip-api.com' ) {
-			$data = json_decode( $geolocation_response['body'] );
-			return empty( $data ) || empty( $data->countryCode ) ? '' : $data->countryCode;
-		}
+        if ( $geolocation_service === 'ip-api.com' ) {
+            $data = json_decode( $geolocation_response['body'] );
+            return empty( $data ) || empty( $data->countryCode ) ? '' : $data->countryCode;
+        }
 
-		return apply_filters( 'getpaid_geolocation_geoip_response_' . $geolocation_service, '', $geolocation_response['body'] );
+        return apply_filters( 'getpaid_geolocation_geoip_response_' . $geolocation_service, '', $geolocation_response['body'] );
 
-	}
+    }
 
 }

Spacing +49 added lines, -49 removed lines

@@ -6,7 +6,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Geolocation Class.
@@ -64,30 +64,30 @@ 
 
 		$transient_name = 'external_ip_address_0.0.0.0';
 
-		if ( '' !== self::get_ip_address() ) {
-			$transient_name      = 'external_ip_address_' . self::get_ip_address();
+		if ('' !== self::get_ip_address()) {
+			$transient_name = 'external_ip_address_' . self::get_ip_address();
 		}
 
 		// Try retrieving from cache.
-		$external_ip_address = get_transient( $transient_name );
+		$external_ip_address = get_transient($transient_name);
 
-		if ( false === $external_ip_address ) {
+		if (false === $external_ip_address) {
 			$external_ip_address     = '0.0.0.0';
-			$ip_lookup_services      = apply_filters( 'getpaid_geolocation_ip_lookup_apis', self::$ip_lookup_apis );
-			$ip_lookup_services_keys = array_keys( $ip_lookup_services );
-			shuffle( $ip_lookup_services_keys );
+			$ip_lookup_services      = apply_filters('getpaid_geolocation_ip_lookup_apis', self::$ip_lookup_apis);
+			$ip_lookup_services_keys = array_keys($ip_lookup_services);
+			shuffle($ip_lookup_services_keys);
 
-			foreach ( $ip_lookup_services_keys as $service_name ) {
-				$service_endpoint = $ip_lookup_services[ $service_name ];
-				$response         = wp_safe_remote_get( $service_endpoint, array( 'timeout' => 2 ) );
+			foreach ($ip_lookup_services_keys as $service_name) {
+				$service_endpoint = $ip_lookup_services[$service_name];
+				$response         = wp_safe_remote_get($service_endpoint, array('timeout' => 2));
 
-				if ( ! is_wp_error( $response ) && rest_is_ip_address( $response['body'] ) ) {
-					$external_ip_address = apply_filters( 'getpaid_geolocation_ip_lookup_api_response', wpinv_clean( $response['body'] ), $service_name );
+				if (!is_wp_error($response) && rest_is_ip_address($response['body'])) {
+					$external_ip_address = apply_filters('getpaid_geolocation_ip_lookup_api_response', wpinv_clean($response['body']), $service_name);
 					break;
 				}
 }
 
-			set_transient( $transient_name, $external_ip_address, WEEK_IN_SECONDS );
+			set_transient($transient_name, $external_ip_address, WEEK_IN_SECONDS);
 		}
 
 		return $external_ip_address;
@@ -101,9 +101,9 @@ 
 	 * @param  bool   $api_fallback If true, uses geolocation APIs if the database file doesn't exist (can be slower).
 	 * @return array
 	 */
-	public static function geolocate_ip( $ip_address = '', $fallback = false, $api_fallback = true ) {
+	public static function geolocate_ip($ip_address = '', $fallback = false, $api_fallback = true) {
 
-		if ( empty( $ip_address ) ) {
+		if (empty($ip_address)) {
 			$ip_address = self::get_ip_address();
 		}
 
@@ -111,9 +111,9 @@ 
 		self::$current_user_ip = $ip_address;
 
 		// Filter to allow custom geolocation of the IP address.
-		$country_code = apply_filters( 'getpaid_geolocate_ip', false, $ip_address, $fallback, $api_fallback );
+		$country_code = apply_filters('getpaid_geolocate_ip', false, $ip_address, $fallback, $api_fallback);
 
-		if ( false !== $country_code ) {
+		if (false !== $country_code) {
 
 			return array(
 				'country'  => $country_code,
@@ -133,7 +133,7 @@ 
 		 * @param array  $geolocation Geolocation data, including country, state, city, and postcode.
 		 * @param string $ip_address  IP Address.
 		 */
-		$geolocation  = apply_filters(
+		$geolocation = apply_filters(
 			'getpaid_get_geolocation',
 			array(
 				'country'  => $country_code,
@@ -145,18 +145,18 @@ 
 		);
 
 		// If we still haven't found a country code, let's consider doing an API lookup.
-		if ( '' === $geolocation['country'] && $api_fallback ) {
-			$geolocation['country'] = self::geolocate_via_api( $ip_address );
+		if ('' === $geolocation['country'] && $api_fallback) {
+			$geolocation['country'] = self::geolocate_via_api($ip_address);
 		}
 
 		// It's possible that we're in a local environment, in which case the geolocation needs to be done from the
 		// external address.
-		if ( '' === $geolocation['country'] && $fallback ) {
+		if ('' === $geolocation['country'] && $fallback) {
 			$external_ip_address = self::get_external_ip_address();
 
 			// Only bother with this if the external IP differs.
-			if ( '0.0.0.0' !== $external_ip_address && $external_ip_address !== $ip_address ) {
-				return self::geolocate_ip( $external_ip_address, false, $api_fallback );
+			if ('0.0.0.0' !== $external_ip_address && $external_ip_address !== $ip_address) {
+				return self::geolocate_ip($external_ip_address, false, $api_fallback);
 			}
 }
 
@@ -185,12 +185,12 @@ 
 			'HTTP_X_COUNTRY_CODE',
 		);
 
-		foreach ( $headers as $header ) {
-			if ( empty( $_SERVER[ $header ] ) ) {
+		foreach ($headers as $header) {
+			if (empty($_SERVER[$header])) {
 				continue;
 			}
 
-			$country_code = strtoupper( sanitize_text_field( wp_unslash( $_SERVER[ $header ] ) ) );
+			$country_code = strtoupper(sanitize_text_field(wp_unslash($_SERVER[$header])));
 			break;
 		}
 
@@ -209,35 +209,35 @@ 
 	 * @param  string $ip_address IP address.
 	 * @return string
 	 */
-	protected static function geolocate_via_api( $ip_address ) {
+	protected static function geolocate_via_api($ip_address) {
 
 		// Retrieve from cache...
-		$country_code = get_transient( 'geoip_' . $ip_address );
+		$country_code = get_transient('geoip_' . $ip_address);
 
 		// If missing, retrieve from the API.
-		if ( false === $country_code ) {
-			$geoip_services = apply_filters( 'getpaid_geolocation_geoip_apis', self::$geoip_apis );
+		if (false === $country_code) {
+			$geoip_services = apply_filters('getpaid_geolocation_geoip_apis', self::$geoip_apis);
 
-			if ( empty( $geoip_services ) ) {
+			if (empty($geoip_services)) {
 				return '';
 			}
 
-			$geoip_services_keys = array_keys( $geoip_services );
+			$geoip_services_keys = array_keys($geoip_services);
 
-			shuffle( $geoip_services_keys );
+			shuffle($geoip_services_keys);
 
-			foreach ( $geoip_services_keys as $service_name ) {
+			foreach ($geoip_services_keys as $service_name) {
 
-				$service_endpoint = $geoip_services[ $service_name ];
-				$response         = wp_safe_remote_get( sprintf( $service_endpoint, $ip_address ), array( 'timeout' => 2 ) );
-				$country_code     = sanitize_text_field( strtoupper( self::handle_geolocation_response( $response, $service_name ) ) );
+				$service_endpoint = $geoip_services[$service_name];
+				$response         = wp_safe_remote_get(sprintf($service_endpoint, $ip_address), array('timeout' => 2));
+				$country_code     = sanitize_text_field(strtoupper(self::handle_geolocation_response($response, $service_name)));
 
-				if ( ! empty( $country_code ) ) {
+				if (!empty($country_code)) {
 					break;
 				}
 }
 
-			set_transient( 'geoip_' . $ip_address, $country_code, WEEK_IN_SECONDS );
+			set_transient('geoip_' . $ip_address, $country_code, WEEK_IN_SECONDS);
 		}
 
 		return $country_code;
@@ -250,23 +250,23 @@ 
 	 * @param  String $geolocation_service
 	 * @return string Country code
 	 */
-	protected static function handle_geolocation_response( $geolocation_response, $geolocation_service ) {
+	protected static function handle_geolocation_response($geolocation_response, $geolocation_service) {
 
-		if ( is_wp_error( $geolocation_response ) || empty( $geolocation_response['body'] ) ) {
+		if (is_wp_error($geolocation_response) || empty($geolocation_response['body'])) {
 			return '';
 		}
 
-		if ( $geolocation_service === 'ipinfo.io' ) {
-			$data = json_decode( $geolocation_response['body'] );
-			return empty( $data ) || empty( $data->country ) ? '' : $data->country;
+		if ($geolocation_service === 'ipinfo.io') {
+			$data = json_decode($geolocation_response['body']);
+			return empty($data) || empty($data->country) ? '' : $data->country;
 		}
 
-		if ( $geolocation_service === 'ip-api.com' ) {
-			$data = json_decode( $geolocation_response['body'] );
-			return empty( $data ) || empty( $data->countryCode ) ? '' : $data->countryCode;
+		if ($geolocation_service === 'ip-api.com') {
+			$data = json_decode($geolocation_response['body']);
+			return empty($data) || empty($data->countryCode) ? '' : $data->countryCode;
 		}
 
-		return apply_filters( 'getpaid_geolocation_geoip_response_' . $geolocation_service, '', $geolocation_response['body'] );
+		return apply_filters('getpaid_geolocation_geoip_response_' . $geolocation_service, '', $geolocation_response['body']);
 
 	}
 

includes/class-wpinv-discount.php

Indentation +1340 added lines, -1340 removed lines

@@ -15,30 +15,30 @@ 
  */
 class WPInv_Discount extends GetPaid_Data {
 
-	/**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
+    /**
+     * Which data store to load.
+     *
+     * @var string
+     */
     protected $data_store_name = 'discount';
 
     /**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
-	protected $object_type = 'discount';
-
-	/**
-	 * Discount Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'status'         => 'draft',
-		'version'        => '',
-		'date_created'   => null,
+     * This is the name of this object type.
+     *
+     * @var string
+     */
+    protected $object_type = 'discount';
+
+    /**
+     * Discount Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'status'         => 'draft',
+        'version'        => '',
+        'date_created'   => null,
         'date_modified'  => null,
         'name'           => 'no-name',
         'description'    => '',
@@ -49,7 +49,7 @@ 
         'start'          => null,
         'items'          => array(),
         'excluded_items' => array(),
-		'required_items' => array(),
+        'required_items' => array(),
         'uses'           => 0,
         'max_uses'       => null,
         'is_recurring'   => null,
@@ -59,147 +59,147 @@ 
         'amount'         => null,
     );
 
-	/**
-	 * Stores meta in cache for future reads.
-	 *
-	 * A group must be set to to enable caching.
-	 *
-	 * @var string
-	 */
-	protected $cache_group = 'getpaid_discounts';
+    /**
+     * Stores meta in cache for future reads.
+     *
+     * A group must be set to to enable caching.
+     *
+     * @var string
+     */
+    protected $cache_group = 'getpaid_discounts';
 
     /**
      * Stores a reference to the original WP_Post object
      *
      * @var WP_Post
      */
-	protected $post = null;
-
-	/**
-	 * Get the discount if ID is passed, otherwise the discount is new and empty.
-	 *
-	 * @param int|array|string|WPInv_Discount|WP_Post $discount discount data, object, ID or code.
-	 */
-	public function __construct( $discount = 0 ) {
-		parent::__construct( $discount );
-
-		if ( is_numeric( $discount ) && 'wpi_discount' === get_post_type( $discount ) ) {
-			$this->set_id( $discount );
-		} elseif ( $discount instanceof self ) {
-			$this->set_id( $discount->get_id() );
-		} elseif ( ! empty( $discount->ID ) ) {
-			$this->set_id( $discount->ID );
-		} elseif ( is_array( $discount ) ) {
-			$this->set_props( $discount );
-
-			if ( isset( $discount['ID'] ) ) {
-				$this->set_id( $discount['ID'] );
-			}
+    protected $post = null;
+
+    /**
+     * Get the discount if ID is passed, otherwise the discount is new and empty.
+     *
+     * @param int|array|string|WPInv_Discount|WP_Post $discount discount data, object, ID or code.
+     */
+    public function __construct( $discount = 0 ) {
+        parent::__construct( $discount );
+
+        if ( is_numeric( $discount ) && 'wpi_discount' === get_post_type( $discount ) ) {
+            $this->set_id( $discount );
+        } elseif ( $discount instanceof self ) {
+            $this->set_id( $discount->get_id() );
+        } elseif ( ! empty( $discount->ID ) ) {
+            $this->set_id( $discount->ID );
+        } elseif ( is_array( $discount ) ) {
+            $this->set_props( $discount );
+
+            if ( isset( $discount['ID'] ) ) {
+                $this->set_id( $discount['ID'] );
+            }
 } elseif ( is_scalar( $discount ) && $discount = self::get_discount_id_by_code( $discount ) ) {
-			$this->set_id( $discount );
-		} else {
-			$this->set_object_read( true );
-		}
+            $this->set_id( $discount );
+        } else {
+            $this->set_object_read( true );
+        }
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
 
-		if ( $this->get_id() > 0 ) {
+        if ( $this->get_id() > 0 ) {
             $this->post = get_post( $this->get_id() );
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+            $this->data_store->read( $this );
         }
 
-	}
-
-	/**
-	 * Fetch a discount from the db/cache
-	 *
-	 *
-	 * @static
-	 * @param string $field The field to query against: 'ID', 'discount_code'
-	 * @param string|int $value The field value
-	 * @deprecated
-	 * @since 1.0.15
-	 * @return array|bool array of discount details on success. False otherwise.
-	 */
-	public static function get_data_by( $field, $value ) {
-
-		if ( 'id' == strtolower( $field ) ) {
-			// Make sure the value is numeric to avoid casting objects, for example,
-			// to int 1.
-			if ( ! is_numeric( $value ) ) {
-				return false;
+    }
+
+    /**
+     * Fetch a discount from the db/cache
+     *
+     *
+     * @static
+     * @param string $field The field to query against: 'ID', 'discount_code'
+     * @param string|int $value The field value
+     * @deprecated
+     * @since 1.0.15
+     * @return array|bool array of discount details on success. False otherwise.
+     */
+    public static function get_data_by( $field, $value ) {
+
+        if ( 'id' == strtolower( $field ) ) {
+            // Make sure the value is numeric to avoid casting objects, for example,
+            // to int 1.
+            if ( ! is_numeric( $value ) ) {
+                return false;
             }
-			$value = intval( $value );
-			if ( $value < 1 ) {
-				return false;
+            $value = intval( $value );
+            if ( $value < 1 ) {
+                return false;
             }
-		}
-
-		if ( ! $value || ! is_string( $field ) ) {
-			return false;
-		}
-
-		$field = trim( $field );
-
-		// prepare query args
-		switch ( strtolower( $field ) ) {
-			case 'id':
-				$discount_id = $value;
-				$args        = array( 'include' => array( $value ) );
-				break;
-			case 'discount_code':
-			case 'code':
-				$value       = trim( $value );
-				$discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
-				$args        = array(
-					'meta_key'   => '_wpi_discount_code',
-					'meta_value' => $value,
-				);
-				break;
-			case 'name':
-				$discount_id = 0;
-				$args        = array( 'name' => trim( $value ) );
-				break;
-			default:
-				$args        = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
-				if ( ! is_array( $args ) ) {
-					return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
-				}
+        }
+
+        if ( ! $value || ! is_string( $field ) ) {
+            return false;
+        }
+
+        $field = trim( $field );
+
+        // prepare query args
+        switch ( strtolower( $field ) ) {
+            case 'id':
+                $discount_id = $value;
+                $args        = array( 'include' => array( $value ) );
+                break;
+            case 'discount_code':
+            case 'code':
+                $value       = trim( $value );
+                $discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
+                $args        = array(
+                    'meta_key'   => '_wpi_discount_code',
+                    'meta_value' => $value,
+                );
+                break;
+            case 'name':
+                $discount_id = 0;
+                $args        = array( 'name' => trim( $value ) );
+                break;
+            default:
+                $args        = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
+                if ( ! is_array( $args ) ) {
+                    return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
+                }
 }
 
-		// Check if there is a cached value.
-		if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
-			return $discount;
-		}
+        // Check if there is a cached value.
+        if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
+            return $discount;
+        }
 
-		$args = array_merge(
-			$args,
-			array(
-				'post_type'      => 'wpi_discount',
-				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
-			)
-		);
+        $args = array_merge(
+            $args,
+            array(
+                'post_type'      => 'wpi_discount',
+                'posts_per_page' => 1,
+                'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
+            )
+        );
 
-		$discount = get_posts( $args );
+        $discount = get_posts( $args );
 
-		if ( empty( $discount ) ) {
-			return false;
-		}
+        if ( empty( $discount ) ) {
+            return false;
+        }
 
-		$discount = $discount[0];
+        $discount = $discount[0];
 
-		// Prepare the return data.
-		$return = array(
+        // Prepare the return data.
+        $return = array(
             'ID'             => $discount->ID,
             'code'           => get_post_meta( $discount->ID, '_wpi_discount_code', true ),
             'amount'         => get_post_meta( $discount->ID, '_wpi_discount_amount', true ),
             'date_created'   => $discount->post_date,
-			'date_modified'  => $discount->post_modified,
-			'status'         => $discount->post_status,
-			'start'          => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
+            'date_modified'  => $discount->post_modified,
+            'status'         => $discount->post_status,
+            'start'          => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
             'expiration'     => get_post_meta( $discount->ID, '_wpi_discount_expiration', true ),
             'type'           => get_post_meta( $discount->ID, '_wpi_discount_type', true ),
             'description'    => $discount->post_excerpt,
@@ -207,84 +207,84 @@ 
             'is_single_use'  => get_post_meta( $discount->ID, '_wpi_discount_is_single_use', true ),
             'items'          => get_post_meta( $discount->ID, '_wpi_discount_items', true ),
             'excluded_items' => get_post_meta( $discount->ID, '_wpi_discount_excluded_items', true ),
-			'required_items' => get_post_meta( $discount->ID, '_wpi_discount_required_items', true ),
+            'required_items' => get_post_meta( $discount->ID, '_wpi_discount_required_items', true ),
             'max_uses'       => get_post_meta( $discount->ID, '_wpi_discount_max_uses', true ),
             'is_recurring'   => get_post_meta( $discount->ID, '_wpi_discount_is_recurring', true ),
             'min_total'      => get_post_meta( $discount->ID, '_wpi_discount_min_total', true ),
             'max_total'      => get_post_meta( $discount->ID, '_wpi_discount_max_total', true ),
         );
 
-		$return = apply_filters( 'wpinv_discount_properties', $return );
-
-		// Update the cache with our data
-		wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
-		wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
-
-		return $return;
-	}
-
-	/**
-	 * Given a discount code, it returns a discount id.
-	 *
-	 *
-	 * @static
-	 * @param string $discount_code
-	 * @since 1.0.15
-	 * @return int
-	 */
-	public static function get_discount_id_by_code( $discount_code ) {
-
-		// Trim the code.
-		$discount_code = trim( $discount_code );
-
-		// Ensure a value has been passed.
-		if ( empty( $discount_code ) ) {
-			return 0;
-		}
-
-		// Maybe retrieve from the cache.
-		$discount_id   = wp_cache_get( $discount_code, 'getpaid_discount_codes' );
-		if ( ! empty( $discount_id ) ) {
-			return $discount_id;
-		}
-
-		// Fetch the first discount codes.
-		$discounts = get_posts(
-			array(
-				'meta_key'       => '_wpi_discount_code',
-				'meta_value'     => $discount_code,
-				'post_type'      => 'wpi_discount',
-				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
-				'fields'         => 'ids',
-			)
-		);
-
-		if ( empty( $discounts ) ) {
-			return 0;
-		}
-
-		$discount_id = $discounts[0];
-
-		// Update the cache with our data
-		wp_cache_add( get_post_meta( $discount_id, '_wpi_discount_code', true ), $discount_id, 'getpaid_discount_codes' );
-
-		return $discount_id;
-	}
-
-	/**
-	 * Magic method for checking the existence of a certain custom field.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @return bool Whether the given discount field is set.
-	 */
-	public function __isset( $key ) {
-		return isset( $this->data[ $key ] ) || method_exists( $this, "get_$key" );
-	}
-
-	/*
+        $return = apply_filters( 'wpinv_discount_properties', $return );
+
+        // Update the cache with our data
+        wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
+        wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
+
+        return $return;
+    }
+
+    /**
+     * Given a discount code, it returns a discount id.
+     *
+     *
+     * @static
+     * @param string $discount_code
+     * @since 1.0.15
+     * @return int
+     */
+    public static function get_discount_id_by_code( $discount_code ) {
+
+        // Trim the code.
+        $discount_code = trim( $discount_code );
+
+        // Ensure a value has been passed.
+        if ( empty( $discount_code ) ) {
+            return 0;
+        }
+
+        // Maybe retrieve from the cache.
+        $discount_id   = wp_cache_get( $discount_code, 'getpaid_discount_codes' );
+        if ( ! empty( $discount_id ) ) {
+            return $discount_id;
+        }
+
+        // Fetch the first discount codes.
+        $discounts = get_posts(
+            array(
+                'meta_key'       => '_wpi_discount_code',
+                'meta_value'     => $discount_code,
+                'post_type'      => 'wpi_discount',
+                'posts_per_page' => 1,
+                'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
+                'fields'         => 'ids',
+            )
+        );
+
+        if ( empty( $discounts ) ) {
+            return 0;
+        }
+
+        $discount_id = $discounts[0];
+
+        // Update the cache with our data
+        wp_cache_add( get_post_meta( $discount_id, '_wpi_discount_code', true ), $discount_id, 'getpaid_discount_codes' );
+
+        return $discount_id;
+    }
+
+    /**
+     * Magic method for checking the existence of a certain custom field.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @return bool Whether the given discount field is set.
+     */
+    public function __isset( $key ) {
+        return isset( $this->data[ $key ] ) || method_exists( $this, "get_$key" );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD methods
 	|--------------------------------------------------------------------------
@@ -299,441 +299,441 @@ 
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Get discount status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+    /**
+     * Get discount status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
     }
 
     /**
-	 * Get plugin version when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+     * Get plugin version when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_version( $context = 'view' ) {
+        return $this->get_prop( 'version', $context );
     }
 
     /**
-	 * Get date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+     * Get date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_prop( 'date_created', $context );
     }
 
     /**
-	 * Get GMT date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+     * Get GMT date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+     * Get date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified( $context = 'view' ) {
+        return $this->get_prop( 'date_modified', $context );
     }
 
     /**
-	 * Get GMT date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
+     * Get GMT date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified_gmt( $context = 'view' ) {
         $date = $this->get_date_modified( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
-    }
-
-    /**
-	 * Get the discount name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
-    }
-
-    /**
-	 * Alias of self::get_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
-    }
-
-    /**
-	 * Get the discount description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
-    }
-
-    /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
-    }
-
-    /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
-    }
-
-    /**
-	 * Get the owner of the discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
-	}
-
-	/**
-	 * Get the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_code( $context = 'view' ) {
-		return $this->get_prop( 'code', $context );
-	}
-
-	/**
-	 * Alias for self::get_code().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_coupon_code( $context = 'view' ) {
-		return $this->get_code( $context );
-	}
-
-	/**
-	 * Alias for self::get_code().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_code( $context );
-	}
-
-	/**
-	 * Get the discount's amount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_amount( $context = 'view' ) {
-		return $context == 'view' ? floatval( $this->get_prop( 'amount', $context ) ) : $this->get_prop( 'amount', $context );
-	}
-
-	/**
-	 * Get the discount's formated amount/rate.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_formatted_amount() {
-
-		if ( $this->is_type( 'flat' ) ) {
-			$rate = wpinv_price( $this->get_amount() );
-		} else {
-			$rate = $this->get_amount() . '%';
-		}
-
-		return apply_filters( 'wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount() );
-	}
-
-	/**
-	 * Get the discount's start date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_start( $context = 'view' ) {
-		return $this->get_prop( 'start', $context );
-	}
-
-	/**
-	 * Alias for self::get_start().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_start_date( $context = 'view' ) {
-		return $this->get_start( $context );
-	}
-
-	/**
-	 * Get the discount's expiration date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_expiration( $context = 'view' ) {
-		return $this->get_prop( 'expiration', $context );
-	}
-
-	/**
-	 * Alias for self::get_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_expiration_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
-	}
-
-	/**
-	 * Alias for self::get_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_end_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
-	}
-
-	/**
-	 * Get the discount's type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_type( $context = 'view' ) {
-		return $this->get_prop( 'type', $context );
-	}
-
-	/**
-	 * Get the number of times a discount has been used.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_uses( $context = 'view' ) {
-		return (int) $this->get_prop( 'uses', $context );
-	}
-
-	/**
-	 * Get the discount's usage, i.e uses / max uses.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_usage() {
-
-		if ( ! $this->has_limit() ) {
-			return $this->get_uses() . ' / ' . ' &infin;';
-		}
-
-		return $this->get_uses() . ' / ' . (int) $this->get_max_uses();
-
-	}
-
-	/**
-	 * Get the maximum number of time a discount can be used.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_max_uses( $context = 'view' ) {
-		$max_uses = $this->get_prop( 'max_uses', $context );
-		return empty( $max_uses ) ? null : $max_uses;
-	}
-
-	/**
-	 * Checks if this is a single use discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_is_single_use( $context = 'view' ) {
-		return $this->get_prop( 'is_single_use', $context );
-	}
-
-	/**
-	 * Get the items that can be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'items', $context ) ) );
-	}
-
-	/**
-	 * Alias for self::get_items().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_allowed_items( $context = 'view' ) {
-		return $this->get_items( $context );
-	}
-
-	/**
-	 * Get the items that are not allowed to use this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_excluded_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'excluded_items', $context ) ) );
-	}
-
-	/**
-	 * Get the items that are required to be in the cart before using this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_required_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'required_items', $context ) ) );
-	}
-
-	/**
-	 * Checks if this is a recurring discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int|string|bool
-	 */
-	public function get_is_recurring( $context = 'view' ) {
-		return $this->get_prop( 'is_recurring', $context );
-	}
-
-	/**
-	 * Get's the minimum total amount allowed for this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_min_total( $context = 'view' ) {
-		$minimum = $this->get_prop( 'min_total', $context );
-		return empty( $minimum ) ? null : $minimum;
-	}
-
-	/**
-	 * Alias for self::get_min_total().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_minimum_total( $context = 'view' ) {
-		return $this->get_min_total( $context );
-	}
-
-	/**
-	 * Get's the maximum total amount allowed for this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_max_total( $context = 'view' ) {
-		$maximum = $this->get_prop( 'max_total', $context );
-		return empty( $maximum ) ? null : $maximum;
-	}
-
-	/**
-	 * Alias for self::get_max_total().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_maximum_total( $context = 'view' ) {
-		return $this->get_max_total( $context );
-	}
-
-	/**
-	 * Magic method for accessing discount properties.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  string $context View or edit context.
-	 * @return mixed Value of the given discount property (if set).
-	 */
-	public function get( $key, $context = 'view' ) {
+        return $date;
+    }
+
+    /**
+     * Get the discount name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
+        return $this->get_prop( 'name', $context );
+    }
+
+    /**
+     * Alias of self::get_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_title( $context = 'view' ) {
+        return $this->get_name( $context );
+    }
+
+    /**
+     * Get the discount description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+        return $this->get_prop( 'description', $context );
+    }
+
+    /**
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_excerpt( $context = 'view' ) {
+        return $this->get_description( $context );
+    }
+
+    /**
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_summary( $context = 'view' ) {
+        return $this->get_description( $context );
+    }
+
+    /**
+     * Get the owner of the discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_author( $context = 'view' ) {
+        return (int) $this->get_prop( 'author', $context );
+    }
+
+    /**
+     * Get the discount code.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_code( $context = 'view' ) {
+        return $this->get_prop( 'code', $context );
+    }
+
+    /**
+     * Alias for self::get_code().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_coupon_code( $context = 'view' ) {
+        return $this->get_code( $context );
+    }
+
+    /**
+     * Alias for self::get_code().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_discount_code( $context = 'view' ) {
+        return $this->get_code( $context );
+    }
+
+    /**
+     * Get the discount's amount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_amount( $context = 'view' ) {
+        return $context == 'view' ? floatval( $this->get_prop( 'amount', $context ) ) : $this->get_prop( 'amount', $context );
+    }
+
+    /**
+     * Get the discount's formated amount/rate.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_formatted_amount() {
+
+        if ( $this->is_type( 'flat' ) ) {
+            $rate = wpinv_price( $this->get_amount() );
+        } else {
+            $rate = $this->get_amount() . '%';
+        }
+
+        return apply_filters( 'wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount() );
+    }
+
+    /**
+     * Get the discount's start date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_start( $context = 'view' ) {
+        return $this->get_prop( 'start', $context );
+    }
+
+    /**
+     * Alias for self::get_start().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_start_date( $context = 'view' ) {
+        return $this->get_start( $context );
+    }
+
+    /**
+     * Get the discount's expiration date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_expiration( $context = 'view' ) {
+        return $this->get_prop( 'expiration', $context );
+    }
+
+    /**
+     * Alias for self::get_expiration().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_expiration_date( $context = 'view' ) {
+        return $this->get_expiration( $context );
+    }
+
+    /**
+     * Alias for self::get_expiration().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_end_date( $context = 'view' ) {
+        return $this->get_expiration( $context );
+    }
+
+    /**
+     * Get the discount's type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_type( $context = 'view' ) {
+        return $this->get_prop( 'type', $context );
+    }
+
+    /**
+     * Get the number of times a discount has been used.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_uses( $context = 'view' ) {
+        return (int) $this->get_prop( 'uses', $context );
+    }
+
+    /**
+     * Get the discount's usage, i.e uses / max uses.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_usage() {
+
+        if ( ! $this->has_limit() ) {
+            return $this->get_uses() . ' / ' . ' &infin;';
+        }
+
+        return $this->get_uses() . ' / ' . (int) $this->get_max_uses();
+
+    }
+
+    /**
+     * Get the maximum number of time a discount can be used.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_max_uses( $context = 'view' ) {
+        $max_uses = $this->get_prop( 'max_uses', $context );
+        return empty( $max_uses ) ? null : $max_uses;
+    }
+
+    /**
+     * Checks if this is a single use discount or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_is_single_use( $context = 'view' ) {
+        return $this->get_prop( 'is_single_use', $context );
+    }
+
+    /**
+     * Get the items that can be used with this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'items', $context ) ) );
+    }
+
+    /**
+     * Alias for self::get_items().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_allowed_items( $context = 'view' ) {
+        return $this->get_items( $context );
+    }
+
+    /**
+     * Get the items that are not allowed to use this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_excluded_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'excluded_items', $context ) ) );
+    }
+
+    /**
+     * Get the items that are required to be in the cart before using this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_required_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'required_items', $context ) ) );
+    }
+
+    /**
+     * Checks if this is a recurring discount or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int|string|bool
+     */
+    public function get_is_recurring( $context = 'view' ) {
+        return $this->get_prop( 'is_recurring', $context );
+    }
+
+    /**
+     * Get's the minimum total amount allowed for this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_min_total( $context = 'view' ) {
+        $minimum = $this->get_prop( 'min_total', $context );
+        return empty( $minimum ) ? null : $minimum;
+    }
+
+    /**
+     * Alias for self::get_min_total().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_minimum_total( $context = 'view' ) {
+        return $this->get_min_total( $context );
+    }
+
+    /**
+     * Get's the maximum total amount allowed for this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_max_total( $context = 'view' ) {
+        $maximum = $this->get_prop( 'max_total', $context );
+        return empty( $maximum ) ? null : $maximum;
+    }
+
+    /**
+     * Alias for self::get_max_total().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_maximum_total( $context = 'view' ) {
+        return $this->get_max_total( $context );
+    }
+
+    /**
+     * Magic method for accessing discount properties.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  string $context View or edit context.
+     * @return mixed Value of the given discount property (if set).
+     */
+    public function get( $key, $context = 'view' ) {
         return $this->get_prop( $key, $context );
-	}
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Setters
 	|--------------------------------------------------------------------------
@@ -743,41 +743,41 @@ 
 	| object.
 	*/
 
-	/**
-	 * Sets discount status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $status New status.
-	 * @return array details of change.
-	 */
-	public function set_status( $status ) {
+    /**
+     * Sets discount status.
+     *
+     * @since 1.0.19
+     * @param  string $status New status.
+     * @return array details of change.
+     */
+    public function set_status( $status ) {
         $old_status = $this->get_status();
 
         $this->set_prop( 'status', $status );
 
-		return array(
-			'from' => $old_status,
-			'to'   => $status,
-		);
+        return array(
+            'from' => $old_status,
+            'to'   => $status,
+        );
     }
 
     /**
-	 * Set plugin version when the discount was created.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+     * Set plugin version when the discount was created.
+     *
+     * @since 1.0.19
+     */
+    public function set_version( $value ) {
+        $this->set_prop( 'version', $value );
     }
 
     /**
-	 * Set date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_created( $value ) {
+     */
+    public function set_date_created( $value ) {
         $date = strtotime( $value );
 
         if ( $date ) {
@@ -790,13 +790,13 @@ 
     }
 
     /**
-	 * Set date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_modified( $value ) {
+     */
+    public function set_date_modified( $value ) {
         $date = strtotime( $value );
 
         if ( $date ) {
@@ -809,334 +809,334 @@ 
     }
 
     /**
-	 * Set the discount name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_name( $value ) {
+     * Set the discount name.
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_name( $value ) {
         $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+        $this->set_prop( 'name', $name );
     }
 
     /**
-	 * Alias of self::set_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+     * Alias of self::set_name().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_title( $value ) {
+        $this->set_name( $value );
     }
 
     /**
-	 * Set the discount description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_description( $value ) {
+     * Set the discount description.
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_description( $value ) {
         $description = wp_kses_post( $value );
-		return $this->set_prop( 'description', $description );
-    }
-
-    /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
-    }
-
-    /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
-    }
-
-    /**
-	 * Set the owner of the discount.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
-	}
-
-	/**
-	 * Sets the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_code( $value ) {
-		$code = sanitize_text_field( $value );
-		$this->set_prop( 'code', $code );
-	}
-
-	/**
-	 * Alias of self::set_code().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_coupon_code( $value ) {
-		$this->set_code( $value );
-	}
-
-	/**
-	 * Alias of self::set_code().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_discount_code( $value ) {
-		$this->set_code( $value );
-	}
-
-	/**
-	 * Sets the discount amount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New discount code.
-	 */
-	public function set_amount( $value ) {
-		$amount = floatval( wpinv_sanitize_amount( $value ) );
-		$this->set_prop( 'amount', $amount );
-	}
-
-	/**
-	 * Sets the discount's start date.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New start date.
-	 */
-	public function set_start( $value ) {
-		$date = strtotime( $value );
+        return $this->set_prop( 'description', $description );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_excerpt( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_summary( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Set the owner of the discount.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $this->set_prop( 'author', (int) $value );
+    }
+
+    /**
+     * Sets the discount code.
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_code( $value ) {
+        $code = sanitize_text_field( $value );
+        $this->set_prop( 'code', $code );
+    }
+
+    /**
+     * Alias of self::set_code().
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_coupon_code( $value ) {
+        $this->set_code( $value );
+    }
+
+    /**
+     * Alias of self::set_code().
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_discount_code( $value ) {
+        $this->set_code( $value );
+    }
+
+    /**
+     * Sets the discount amount.
+     *
+     * @since 1.0.19
+     * @param float $value New discount code.
+     */
+    public function set_amount( $value ) {
+        $amount = floatval( wpinv_sanitize_amount( $value ) );
+        $this->set_prop( 'amount', $amount );
+    }
+
+    /**
+     * Sets the discount's start date.
+     *
+     * @since 1.0.19
+     * @param float $value New start date.
+     */
+    public function set_start( $value ) {
+        $date = strtotime( $value );
 
         if ( $date ) {
             $this->set_prop( 'start', date( 'Y-m-d H:i', $date ) );
             return true;
-		}
+        }
 
-		$this->set_prop( 'start', '' );
+        $this->set_prop( 'start', '' );
 
         return false;
-	}
-
-	/**
-	 * Alias of self::set_start().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New start date.
-	 */
-	public function set_start_date( $value ) {
-		$this->set_start( $value );
-	}
-
-	/**
-	 * Sets the discount's expiration date.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New expiration date.
-	 */
-	public function set_expiration( $value ) {
-		$date = strtotime( $value );
+    }
+
+    /**
+     * Alias of self::set_start().
+     *
+     * @since 1.0.19
+     * @param string $value New start date.
+     */
+    public function set_start_date( $value ) {
+        $this->set_start( $value );
+    }
+
+    /**
+     * Sets the discount's expiration date.
+     *
+     * @since 1.0.19
+     * @param float $value New expiration date.
+     */
+    public function set_expiration( $value ) {
+        $date = strtotime( $value );
 
         if ( $date ) {
             $this->set_prop( 'expiration', date( 'Y-m-d H:i', $date ) );
             return true;
         }
 
-		$this->set_prop( 'expiration', '' );
+        $this->set_prop( 'expiration', '' );
         return false;
-	}
-
-	/**
-	 * Alias of self::set_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New expiration date.
-	 */
-	public function set_expiration_date( $value ) {
-		$this->set_expiration( $value );
-	}
-
-	/**
-	 * Alias of self::set_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New expiration date.
-	 */
-	public function set_end_date( $value ) {
-		$this->set_expiration( $value );
-	}
-
-	/**
-	 * Sets the discount type.
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount type.
-	 */
-	public function set_type( $value ) {
-		if ( $value && array_key_exists( sanitize_text_field( $value ), wpinv_get_discount_types() ) ) {
-			$this->set_prop( 'type', sanitize_text_field( $value ) );
-		}
-	}
-
-	/**
-	 * Sets the number of times a discount has been used.
-	 *
-	 * @since 1.0.19
-	 * @param int $value usage count.
-	 */
-	public function set_uses( $value ) {
-
-		$value = (int) $value;
-
-		if ( $value < 0 ) {
-			$value = 0;
-		}
-
-		$this->set_prop( 'uses', (int) $value );
-	}
-
-	/**
-	 * Sets the maximum number of times a discount can be used.
-	 *
-	 * @since 1.0.19
-	 * @param int $value maximum usage count.
-	 */
-	public function set_max_uses( $value ) {
-		$this->set_prop( 'max_uses', absint( $value ) );
-	}
-
-	/**
-	 * Sets if this is a single use discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param int|bool $value is single use.
-	 */
-	public function set_is_single_use( $value ) {
-		$this->set_prop( 'is_single_use', (bool) $value );
-	}
-
-	/**
-	 * Sets the items that can be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_items( $value ) {
-		$this->set_prop( 'items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Alias for self::set_items().
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_allowed_items( $value ) {
-		$this->set_items( $value );
-	}
-
-	/**
-	 * Sets the items that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_excluded_items( $value ) {
-		$this->set_prop( 'excluded_items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Sets the items that are required to be in the cart before using this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_required_items( $value ) {
-		$this->set_prop( 'required_items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Sets if this is a recurring discounts or not.
-	 *
-	 * @since 1.0.19
-	 * @param int|bool $value is recurring.
-	 */
-	public function set_is_recurring( $value ) {
-		$this->set_prop( 'is_recurring', (bool) $value );
-	}
-
-	/**
-	 * Sets the minimum total that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value minimum total.
-	 */
-	public function set_min_total( $value ) {
-		$this->set_prop( 'min_total', (float) wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Alias for self::set_min_total().
-	 *
-	 * @since 1.0.19
-	 * @param float $value minimum total.
-	 */
-	public function set_minimum_total( $value ) {
-		$this->set_min_total( $value );
-	}
-
-	/**
-	 * Sets the maximum total that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value maximum total.
-	 */
-	public function set_max_total( $value ) {
-		$this->set_prop( 'max_total', (float) wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Alias for self::set_max_total().
-	 *
-	 * @since 1.0.19
-	 * @param float $value maximum total.
-	 */
-	public function set_maximum_total( $value ) {
-		$this->set_max_total( $value );
-	}
-
-	/**
-	 * @deprecated
-	 */
-	public function refresh(){}
-
-	/**
-	 * @deprecated
-	 *
-	 */
-	public function update_status( $status = 'publish' ) {
-
-		if ( $this->exists() && $this->get_status() != $status ) {
-			$this->set_status( $status );
-			$this->save();
-		}
-
-	}
-
-	/*
+    }
+
+    /**
+     * Alias of self::set_expiration().
+     *
+     * @since 1.0.19
+     * @param string $value New expiration date.
+     */
+    public function set_expiration_date( $value ) {
+        $this->set_expiration( $value );
+    }
+
+    /**
+     * Alias of self::set_expiration().
+     *
+     * @since 1.0.19
+     * @param string $value New expiration date.
+     */
+    public function set_end_date( $value ) {
+        $this->set_expiration( $value );
+    }
+
+    /**
+     * Sets the discount type.
+     *
+     * @since 1.0.19
+     * @param string $value New discount type.
+     */
+    public function set_type( $value ) {
+        if ( $value && array_key_exists( sanitize_text_field( $value ), wpinv_get_discount_types() ) ) {
+            $this->set_prop( 'type', sanitize_text_field( $value ) );
+        }
+    }
+
+    /**
+     * Sets the number of times a discount has been used.
+     *
+     * @since 1.0.19
+     * @param int $value usage count.
+     */
+    public function set_uses( $value ) {
+
+        $value = (int) $value;
+
+        if ( $value < 0 ) {
+            $value = 0;
+        }
+
+        $this->set_prop( 'uses', (int) $value );
+    }
+
+    /**
+     * Sets the maximum number of times a discount can be used.
+     *
+     * @since 1.0.19
+     * @param int $value maximum usage count.
+     */
+    public function set_max_uses( $value ) {
+        $this->set_prop( 'max_uses', absint( $value ) );
+    }
+
+    /**
+     * Sets if this is a single use discount or not.
+     *
+     * @since 1.0.19
+     * @param int|bool $value is single use.
+     */
+    public function set_is_single_use( $value ) {
+        $this->set_prop( 'is_single_use', (bool) $value );
+    }
+
+    /**
+     * Sets the items that can be used with this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_items( $value ) {
+        $this->set_prop( 'items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Alias for self::set_items().
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_allowed_items( $value ) {
+        $this->set_items( $value );
+    }
+
+    /**
+     * Sets the items that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_excluded_items( $value ) {
+        $this->set_prop( 'excluded_items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Sets the items that are required to be in the cart before using this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_required_items( $value ) {
+        $this->set_prop( 'required_items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Sets if this is a recurring discounts or not.
+     *
+     * @since 1.0.19
+     * @param int|bool $value is recurring.
+     */
+    public function set_is_recurring( $value ) {
+        $this->set_prop( 'is_recurring', (bool) $value );
+    }
+
+    /**
+     * Sets the minimum total that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param float $value minimum total.
+     */
+    public function set_min_total( $value ) {
+        $this->set_prop( 'min_total', (float) wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Alias for self::set_min_total().
+     *
+     * @since 1.0.19
+     * @param float $value minimum total.
+     */
+    public function set_minimum_total( $value ) {
+        $this->set_min_total( $value );
+    }
+
+    /**
+     * Sets the maximum total that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param float $value maximum total.
+     */
+    public function set_max_total( $value ) {
+        $this->set_prop( 'max_total', (float) wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Alias for self::set_max_total().
+     *
+     * @since 1.0.19
+     * @param float $value maximum total.
+     */
+    public function set_maximum_total( $value ) {
+        $this->set_max_total( $value );
+    }
+
+    /**
+     * @deprecated
+     */
+    public function refresh(){}
+
+    /**
+     * @deprecated
+     *
+     */
+    public function update_status( $status = 'publish' ) {
+
+        if ( $this->exists() && $this->get_status() != $status ) {
+            $this->set_status( $status );
+            $this->save();
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Conditionals
 	|--------------------------------------------------------------------------
@@ -1145,290 +1145,290 @@ 
 	|
 	*/
 
-	/**
-	 * Checks whether a discount exists in the database or not
-	 *
-	 * @since 1.0.15
-	 */
-	public function exists() {
-		$id = $this->get_id();
-		return ! empty( $id );
-	}
-
-	/**
-	 * Checks the discount type.
-	 *
-	 *
-	 * @param  string $type the discount type to check against
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_type( $type ) {
-		return $this->get_type() == $type;
-	}
-
-	/**
-	 * Checks whether the discount is published or not
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_active() {
-		return $this->get_status() == 'publish';
-	}
-
-	/**
-	 * Checks whether the discount has max uses
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_limit() {
-		$limit = $this->get_max_uses();
-		return ! empty( $limit );
-	}
-
-	/**
-	 * Checks whether the discount has ever been used.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_uses() {
-		return $this->get_uses() > 0;
-	}
-
-	/**
-	 * Checks whether the discount is has exided the usage limit or not
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_exceeded_limit() {
-
-		if ( ! $this->has_limit() || ! $this->has_uses() ) {
-			$exceeded = false;
-		} else {
-			$exceeded = (int) $this->get_max_uses() <= $this->get_uses();
-		}
-
-		return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks whether the discount has an expiration date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_expiration_date() {
-		$date = $this->get_expiration_date();
-		return ! empty( $date );
-	}
-
-	/**
-	 * Checks if the discount is expired
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_expired() {
-		$expired = $this->has_expiration_date() ? current_time( 'timestamp' ) > strtotime( $this->get_expiration_date() ) : false;
-		return apply_filters( 'wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks whether the discount has a start date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_start_date() {
-		$date = $this->get_start_date();
-		return ! empty( $date );
-	}
-
-	/**
-	 * Checks the discount start date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_started() {
-		$started = $this->has_start_date() ? true : current_time( 'timestamp' ) > strtotime( $this->get_start_date() );
-		return apply_filters( 'wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks the discount has allowed items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_allowed_items() {
-		$allowed_items = $this->get_allowed_items();
-		return ! empty( $allowed_items );
-	}
-
-	/**
-	 * Checks the discount has excluded items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_excluded_items() {
-		$excluded_items = $this->get_excluded_items();
-		return ! empty( $excluded_items );
-	}
-
-	/**
-	 * Check if a discount is valid for a given item id.
-	 *
-	 * @param  int|int[]  $item_ids
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_items( $item_ids ) {
-
-		$item_ids = array_filter( wp_parse_id_list( $item_ids ) );
-		$included = array_intersect( $item_ids, $this->get_allowed_items() );
-		$excluded = array_intersect( $item_ids, $this->get_excluded_items() );
-
-		if ( $this->has_excluded_items() && ! empty( $excluded ) ) {
-			return false;
-		}
-
-		if ( $this->has_allowed_items() && empty( $included ) ) {
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Checks the discount has required items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_required_items() {
-		$required_items = $this->get_required_items();
-		return ! empty( $required_items );
-	}
-
-	/**
-	 * Checks if the required items are met
-	 *
-	 * @param  int|int[]  $item_ids
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_required_items_met( $item_ids ) {
-
-		if ( ! $this->has_required_items() ) {
-			return true;
-		}
-
-		return ! array_diff( $this->get_required_items(), array_filter( wp_parse_id_list( $item_ids ) ) );
-	}
-
-	/**
-	 * Check if a discount is valid for the given amount
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_amount( $amount ) {
-		return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
-	}
-
-	/**
-	 * Checks if the minimum amount is set
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function has_minimum_amount() {
-		$minimum = $this->get_minimum_total();
-		return ! empty( $minimum );
-	}
-
-	/**
-	 * Checks if the minimum amount is met
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_minimum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$min_met = ! ( $this->has_minimum_amount() && $amount < floatval( wpinv_sanitize_amount( $this->get_minimum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount );
-	}
-
-	/**
-	 * Checks if the maximum amount is set
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function has_maximum_amount() {
-		$maximum = $this->get_maximum_total();
-		return ! empty( $maximum );
-	}
-
-	/**
-	 * Checks if the maximum amount is met
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_maximum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$max_met = ! ( $this->has_maximum_amount() && $amount > floatval( wpinv_sanitize_amount( $this->get_maximum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount );
-	}
-
-	/**
-	 * Checks if the discount is recurring.
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_recurring() {
-		$recurring = $this->get_is_recurring();
-		return ! empty( $recurring );
-	}
-
-	/**
-	 * Checks if the discount is single use.
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_single_use() {
-		$usage = $this->get_is_single_use();
-		return ! empty( $usage );
-	}
-
-	/**
-	 * Check if a discount is valid for the given user
-	 *
-	 * @param  int|string  $user
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_user( $user ) {
-
-		// Ensure that the discount is single use.
-		if ( empty( $user ) || ! $this->is_single_use() ) {
-			return true;
-		}
-
-		// Prepare the user id.
-		$user_id = 0;
+    /**
+     * Checks whether a discount exists in the database or not
+     *
+     * @since 1.0.15
+     */
+    public function exists() {
+        $id = $this->get_id();
+        return ! empty( $id );
+    }
+
+    /**
+     * Checks the discount type.
+     *
+     *
+     * @param  string $type the discount type to check against
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_type( $type ) {
+        return $this->get_type() == $type;
+    }
+
+    /**
+     * Checks whether the discount is published or not
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_active() {
+        return $this->get_status() == 'publish';
+    }
+
+    /**
+     * Checks whether the discount has max uses
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_limit() {
+        $limit = $this->get_max_uses();
+        return ! empty( $limit );
+    }
+
+    /**
+     * Checks whether the discount has ever been used.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_uses() {
+        return $this->get_uses() > 0;
+    }
+
+    /**
+     * Checks whether the discount is has exided the usage limit or not
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_exceeded_limit() {
+
+        if ( ! $this->has_limit() || ! $this->has_uses() ) {
+            $exceeded = false;
+        } else {
+            $exceeded = (int) $this->get_max_uses() <= $this->get_uses();
+        }
+
+        return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks whether the discount has an expiration date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_expiration_date() {
+        $date = $this->get_expiration_date();
+        return ! empty( $date );
+    }
+
+    /**
+     * Checks if the discount is expired
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_expired() {
+        $expired = $this->has_expiration_date() ? current_time( 'timestamp' ) > strtotime( $this->get_expiration_date() ) : false;
+        return apply_filters( 'wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks whether the discount has a start date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_start_date() {
+        $date = $this->get_start_date();
+        return ! empty( $date );
+    }
+
+    /**
+     * Checks the discount start date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_started() {
+        $started = $this->has_start_date() ? true : current_time( 'timestamp' ) > strtotime( $this->get_start_date() );
+        return apply_filters( 'wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks the discount has allowed items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_allowed_items() {
+        $allowed_items = $this->get_allowed_items();
+        return ! empty( $allowed_items );
+    }
+
+    /**
+     * Checks the discount has excluded items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_excluded_items() {
+        $excluded_items = $this->get_excluded_items();
+        return ! empty( $excluded_items );
+    }
+
+    /**
+     * Check if a discount is valid for a given item id.
+     *
+     * @param  int|int[]  $item_ids
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_items( $item_ids ) {
+
+        $item_ids = array_filter( wp_parse_id_list( $item_ids ) );
+        $included = array_intersect( $item_ids, $this->get_allowed_items() );
+        $excluded = array_intersect( $item_ids, $this->get_excluded_items() );
+
+        if ( $this->has_excluded_items() && ! empty( $excluded ) ) {
+            return false;
+        }
+
+        if ( $this->has_allowed_items() && empty( $included ) ) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Checks the discount has required items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_required_items() {
+        $required_items = $this->get_required_items();
+        return ! empty( $required_items );
+    }
+
+    /**
+     * Checks if the required items are met
+     *
+     * @param  int|int[]  $item_ids
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_required_items_met( $item_ids ) {
+
+        if ( ! $this->has_required_items() ) {
+            return true;
+        }
+
+        return ! array_diff( $this->get_required_items(), array_filter( wp_parse_id_list( $item_ids ) ) );
+    }
+
+    /**
+     * Check if a discount is valid for the given amount
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_amount( $amount ) {
+        return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
+    }
+
+    /**
+     * Checks if the minimum amount is set
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function has_minimum_amount() {
+        $minimum = $this->get_minimum_total();
+        return ! empty( $minimum );
+    }
+
+    /**
+     * Checks if the minimum amount is met
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_minimum_amount_met( $amount ) {
+        $amount = floatval( wpinv_sanitize_amount( $amount ) );
+        $min_met = ! ( $this->has_minimum_amount() && $amount < floatval( wpinv_sanitize_amount( $this->get_minimum_total() ) ) );
+        return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount );
+    }
+
+    /**
+     * Checks if the maximum amount is set
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function has_maximum_amount() {
+        $maximum = $this->get_maximum_total();
+        return ! empty( $maximum );
+    }
+
+    /**
+     * Checks if the maximum amount is met
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_maximum_amount_met( $amount ) {
+        $amount = floatval( wpinv_sanitize_amount( $amount ) );
+        $max_met = ! ( $this->has_maximum_amount() && $amount > floatval( wpinv_sanitize_amount( $this->get_maximum_total() ) ) );
+        return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount );
+    }
+
+    /**
+     * Checks if the discount is recurring.
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_recurring() {
+        $recurring = $this->get_is_recurring();
+        return ! empty( $recurring );
+    }
+
+    /**
+     * Checks if the discount is single use.
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_single_use() {
+        $usage = $this->get_is_single_use();
+        return ! empty( $usage );
+    }
+
+    /**
+     * Check if a discount is valid for the given user
+     *
+     * @param  int|string  $user
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_user( $user ) {
+
+        // Ensure that the discount is single use.
+        if ( empty( $user ) || ! $this->is_single_use() ) {
+            return true;
+        }
+
+        // Prepare the user id.
+        $user_id = 0;
         if ( is_numeric( $user ) ) {
             $user_id = absint( $user );
         } elseif ( is_email( $user ) && $user_data = get_user_by( 'email', $user ) ) {
@@ -1437,122 +1437,122 @@ 
             $user_id = $user_data->ID;
         }
 
-		// Ensure that we have a user.
-		if ( empty( $user_id ) ) {
-			return true;
-		}
+        // Ensure that we have a user.
+        if ( empty( $user_id ) ) {
+            return true;
+        }
 
-		// Get all payments with matching user id.
+        // Get all payments with matching user id.
         $payments = wpinv_get_invoices(
             array(
-				'user'     => $user_id,
-				'limit'    => false,
-				'paginate' => false,
+                'user'     => $user_id,
+                'limit'    => false,
+                'paginate' => false,
             )
         );
-		$code     = strtolower( $this->get_code() );
+        $code     = strtolower( $this->get_code() );
 
-		// For each payment...
-		foreach ( $payments as $payment ) {
+        // For each payment...
+        foreach ( $payments as $payment ) {
 
-			// Only check for paid invoices.
-			if ( $payment->is_paid() && strtolower( $payment->get_discount_code() ) == $code ) {
-				return false;
-			}
+            // Only check for paid invoices.
+            if ( $payment->is_paid() && strtolower( $payment->get_discount_code() ) == $code ) {
+                return false;
+            }
 }
 
-		return true;
-	}
-
-	/**
-	 * Deletes the discount from the database
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function remove() {
-		return $this->delete();
-	}
-
-	/**
-	 * Increases a discount's usage.
-	 *
-	 * @since 1.0.15
-	 * @param int $by The number of usages to increas by.
-	 * @return int
-	 */
-	public function increase_usage( $by = 1 ) {
-
-		// Abort if zero.
-		if ( empty( $by ) ) {
-			return;
-		}
-
-		// Increase the usage.
-		$this->set_uses( $this->get_uses() + (int) $by );
-
-		// Save the discount.
-		$this->save();
-
-		// Fire relevant hooks.
-		if ( (int) $by > 0 ) {
-			do_action( 'wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
-		} else {
-			do_action( 'wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
-		}
-
-		// Return the number of times the discount has been used.
-		return $this->get_uses();
-	}
-
-	/**
-	 * Alias of self::__toString()
-	 *
-	 * @since 1.0.15
-	 * @return string|false
-	 */
-	public function get_data_as_json() {
-		return $this->__toString();
-	}
-
-	/**
-	 * Returns a discount's discounted amount.
-	 *
-	 * @since 1.0.15
-	 * @param float $amount
-	 * @return float
-	 */
-	public function get_discounted_amount( $amount ) {
-
-		// Convert amount to float.
-		$amount = (float) $amount;
-
-		// Get discount amount.
-		$discount_amount = $this->get_amount();
-
-		if ( empty( $discount_amount ) ) {
-			return 0;
-		}
-
-		// Format the amount.
-		$discount_amount = floatval( wpinv_sanitize_amount( $discount_amount ) );
-
-		// If this is a percentage discount.
-		if ( $this->is_type( 'percent' ) ) {
+        return true;
+    }
+
+    /**
+     * Deletes the discount from the database
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function remove() {
+        return $this->delete();
+    }
+
+    /**
+     * Increases a discount's usage.
+     *
+     * @since 1.0.15
+     * @param int $by The number of usages to increas by.
+     * @return int
+     */
+    public function increase_usage( $by = 1 ) {
+
+        // Abort if zero.
+        if ( empty( $by ) ) {
+            return;
+        }
+
+        // Increase the usage.
+        $this->set_uses( $this->get_uses() + (int) $by );
+
+        // Save the discount.
+        $this->save();
+
+        // Fire relevant hooks.
+        if ( (int) $by > 0 ) {
+            do_action( 'wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
+        } else {
+            do_action( 'wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
+        }
+
+        // Return the number of times the discount has been used.
+        return $this->get_uses();
+    }
+
+    /**
+     * Alias of self::__toString()
+     *
+     * @since 1.0.15
+     * @return string|false
+     */
+    public function get_data_as_json() {
+        return $this->__toString();
+    }
+
+    /**
+     * Returns a discount's discounted amount.
+     *
+     * @since 1.0.15
+     * @param float $amount
+     * @return float
+     */
+    public function get_discounted_amount( $amount ) {
+
+        // Convert amount to float.
+        $amount = (float) $amount;
+
+        // Get discount amount.
+        $discount_amount = $this->get_amount();
+
+        if ( empty( $discount_amount ) ) {
+            return 0;
+        }
+
+        // Format the amount.
+        $discount_amount = floatval( wpinv_sanitize_amount( $discount_amount ) );
+
+        // If this is a percentage discount.
+        if ( $this->is_type( 'percent' ) ) {
             $discount_amount = $amount * ( $discount_amount / 100 );
-		}
+        }
 
-		// Discount can not be less than zero...
-		if ( $discount_amount < 0 ) {
-			$discount_amount = 0;
-		}
+        // Discount can not be less than zero...
+        if ( $discount_amount < 0 ) {
+            $discount_amount = 0;
+        }
 
-		// ... or more than the amount.
-		if ( $discount_amount > $amount ) {
-			$discount_amount = $amount;
-		}
+        // ... or more than the amount.
+        if ( $discount_amount > $amount ) {
+            $discount_amount = $amount;
+        }
 
-		return apply_filters( 'wpinv_discount_total_discount_amount', $discount_amount, $amount, $this );
-	}
+        return apply_filters( 'wpinv_discount_total_discount_amount', $discount_amount, $amount, $this );
+    }
 
 }

Spacing +292 added lines, -292 removed lines

@@ -5,7 +5,7 @@ 
  * @since   1.0.15
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Discount class.
@@ -80,34 +80,34 @@ 
 	 *
 	 * @param int|array|string|WPInv_Discount|WP_Post $discount discount data, object, ID or code.
 	 */
-	public function __construct( $discount = 0 ) {
-		parent::__construct( $discount );
+	public function __construct($discount = 0) {
+		parent::__construct($discount);
 
-		if ( is_numeric( $discount ) && 'wpi_discount' === get_post_type( $discount ) ) {
-			$this->set_id( $discount );
-		} elseif ( $discount instanceof self ) {
-			$this->set_id( $discount->get_id() );
-		} elseif ( ! empty( $discount->ID ) ) {
-			$this->set_id( $discount->ID );
-		} elseif ( is_array( $discount ) ) {
-			$this->set_props( $discount );
+		if (is_numeric($discount) && 'wpi_discount' === get_post_type($discount)) {
+			$this->set_id($discount);
+		} elseif ($discount instanceof self) {
+			$this->set_id($discount->get_id());
+		} elseif (!empty($discount->ID)) {
+			$this->set_id($discount->ID);
+		} elseif (is_array($discount)) {
+			$this->set_props($discount);
 
-			if ( isset( $discount['ID'] ) ) {
-				$this->set_id( $discount['ID'] );
+			if (isset($discount['ID'])) {
+				$this->set_id($discount['ID']);
 			}
-} elseif ( is_scalar( $discount ) && $discount = self::get_discount_id_by_code( $discount ) ) {
-			$this->set_id( $discount );
+} elseif (is_scalar($discount) && $discount = self::get_discount_id_by_code($discount)) {
+			$this->set_id($discount);
 		} else {
-			$this->set_object_read( true );
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+			$this->data_store->read($this);
         }
 
 	}
@@ -123,36 +123,36 @@ 
 	 * @since 1.0.15
 	 * @return array|bool array of discount details on success. False otherwise.
 	 */
-	public static function get_data_by( $field, $value ) {
+	public static function get_data_by($field, $value) {
 
-		if ( 'id' == strtolower( $field ) ) {
+		if ('id' == strtolower($field)) {
 			// Make sure the value is numeric to avoid casting objects, for example,
 			// to int 1.
-			if ( ! is_numeric( $value ) ) {
+			if (!is_numeric($value)) {
 				return false;
             }
-			$value = intval( $value );
-			if ( $value < 1 ) {
+			$value = intval($value);
+			if ($value < 1) {
 				return false;
             }
 		}
 
-		if ( ! $value || ! is_string( $field ) ) {
+		if (!$value || !is_string($field)) {
 			return false;
 		}
 
-		$field = trim( $field );
+		$field = trim($field);
 
 		// prepare query args
-		switch ( strtolower( $field ) ) {
+		switch (strtolower($field)) {
 			case 'id':
 				$discount_id = $value;
-				$args        = array( 'include' => array( $value ) );
+				$args        = array('include' => array($value));
 				break;
 			case 'discount_code':
 			case 'code':
-				$value       = trim( $value );
-				$discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
+				$value       = trim($value);
+				$discount_id = wp_cache_get($value, 'WPInv_Discount_Codes');
 				$args        = array(
 					'meta_key'   => '_wpi_discount_code',
 					'meta_value' => $value,
@@ -160,17 +160,17 @@ 
 				break;
 			case 'name':
 				$discount_id = 0;
-				$args        = array( 'name' => trim( $value ) );
+				$args        = array('name' => trim($value));
 				break;
 			default:
-				$args        = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
-				if ( ! is_array( $args ) ) {
-					return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
+				$args        = apply_filters("wpinv_discount_get_data_by_{$field}_args", null, $value);
+				if (!is_array($args)) {
+					return apply_filters("wpinv_discount_get_data_by_$field", false, $value);
 				}
 }
 
 		// Check if there is a cached value.
-		if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
+		if (!empty($discount_id) && $discount = wp_cache_get((int) $discount_id, 'WPInv_Discounts')) {
 			return $discount;
 		}
 
@@ -179,13 +179,13 @@ 
 			array(
 				'post_type'      => 'wpi_discount',
 				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
+				'post_status'    => array('publish', 'pending', 'draft', 'expired'),
 			)
 		);
 
-		$discount = get_posts( $args );
+		$discount = get_posts($args);
 
-		if ( empty( $discount ) ) {
+		if (empty($discount)) {
 			return false;
 		}
 
@@ -194,31 +194,31 @@ 
 		// Prepare the return data.
 		$return = array(
             'ID'             => $discount->ID,
-            'code'           => get_post_meta( $discount->ID, '_wpi_discount_code', true ),
-            'amount'         => get_post_meta( $discount->ID, '_wpi_discount_amount', true ),
+            'code'           => get_post_meta($discount->ID, '_wpi_discount_code', true),
+            'amount'         => get_post_meta($discount->ID, '_wpi_discount_amount', true),
             'date_created'   => $discount->post_date,
 			'date_modified'  => $discount->post_modified,
 			'status'         => $discount->post_status,
-			'start'          => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
-            'expiration'     => get_post_meta( $discount->ID, '_wpi_discount_expiration', true ),
-            'type'           => get_post_meta( $discount->ID, '_wpi_discount_type', true ),
+			'start'          => get_post_meta($discount->ID, '_wpi_discount_start', true),
+            'expiration'     => get_post_meta($discount->ID, '_wpi_discount_expiration', true),
+            'type'           => get_post_meta($discount->ID, '_wpi_discount_type', true),
             'description'    => $discount->post_excerpt,
-            'uses'           => get_post_meta( $discount->ID, '_wpi_discount_uses', true ),
-            'is_single_use'  => get_post_meta( $discount->ID, '_wpi_discount_is_single_use', true ),
-            'items'          => get_post_meta( $discount->ID, '_wpi_discount_items', true ),
-            'excluded_items' => get_post_meta( $discount->ID, '_wpi_discount_excluded_items', true ),
-			'required_items' => get_post_meta( $discount->ID, '_wpi_discount_required_items', true ),
-            'max_uses'       => get_post_meta( $discount->ID, '_wpi_discount_max_uses', true ),
-            'is_recurring'   => get_post_meta( $discount->ID, '_wpi_discount_is_recurring', true ),
-            'min_total'      => get_post_meta( $discount->ID, '_wpi_discount_min_total', true ),
-            'max_total'      => get_post_meta( $discount->ID, '_wpi_discount_max_total', true ),
+            'uses'           => get_post_meta($discount->ID, '_wpi_discount_uses', true),
+            'is_single_use'  => get_post_meta($discount->ID, '_wpi_discount_is_single_use', true),
+            'items'          => get_post_meta($discount->ID, '_wpi_discount_items', true),
+            'excluded_items' => get_post_meta($discount->ID, '_wpi_discount_excluded_items', true),
+			'required_items' => get_post_meta($discount->ID, '_wpi_discount_required_items', true),
+            'max_uses'       => get_post_meta($discount->ID, '_wpi_discount_max_uses', true),
+            'is_recurring'   => get_post_meta($discount->ID, '_wpi_discount_is_recurring', true),
+            'min_total'      => get_post_meta($discount->ID, '_wpi_discount_min_total', true),
+            'max_total'      => get_post_meta($discount->ID, '_wpi_discount_max_total', true),
         );
 
-		$return = apply_filters( 'wpinv_discount_properties', $return );
+		$return = apply_filters('wpinv_discount_properties', $return);
 
 		// Update the cache with our data
-		wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
-		wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
+		wp_cache_add($discount->ID, $return, 'WPInv_Discounts');
+		wp_cache_add($return['code'], $discount->ID, 'WPInv_Discount_Codes');
 
 		return $return;
 	}
@@ -232,19 +232,19 @@ 
 	 * @since 1.0.15
 	 * @return int
 	 */
-	public static function get_discount_id_by_code( $discount_code ) {
+	public static function get_discount_id_by_code($discount_code) {
 
 		// Trim the code.
-		$discount_code = trim( $discount_code );
+		$discount_code = trim($discount_code);
 
 		// Ensure a value has been passed.
-		if ( empty( $discount_code ) ) {
+		if (empty($discount_code)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$discount_id   = wp_cache_get( $discount_code, 'getpaid_discount_codes' );
-		if ( ! empty( $discount_id ) ) {
+		$discount_id = wp_cache_get($discount_code, 'getpaid_discount_codes');
+		if (!empty($discount_id)) {
 			return $discount_id;
 		}
 
@@ -255,19 +255,19 @@ 
 				'meta_value'     => $discount_code,
 				'post_type'      => 'wpi_discount',
 				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
+				'post_status'    => array('publish', 'pending', 'draft', 'expired'),
 				'fields'         => 'ids',
 			)
 		);
 
-		if ( empty( $discounts ) ) {
+		if (empty($discounts)) {
 			return 0;
 		}
 
 		$discount_id = $discounts[0];
 
 		// Update the cache with our data
-		wp_cache_add( get_post_meta( $discount_id, '_wpi_discount_code', true ), $discount_id, 'getpaid_discount_codes' );
+		wp_cache_add(get_post_meta($discount_id, '_wpi_discount_code', true), $discount_id, 'getpaid_discount_codes');
 
 		return $discount_id;
 	}
@@ -280,8 +280,8 @@ 
 	 *
 	 * @return bool Whether the given discount field is set.
 	 */
-	public function __isset( $key ) {
-		return isset( $this->data[ $key ] ) || method_exists( $this, "get_$key" );
+	public function __isset($key) {
+		return isset($this->data[$key]) || method_exists($this, "get_$key");
 	}
 
 	/*
@@ -306,8 +306,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
     }
 
     /**
@@ -317,8 +317,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
     }
 
     /**
@@ -328,8 +328,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
     }
 
     /**
@@ -339,11 +339,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -355,8 +355,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
     }
 
     /**
@@ -366,11 +366,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -382,8 +382,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
+	public function get_name($context = 'view') {
+		return $this->get_prop('name', $context);
     }
 
     /**
@@ -393,8 +393,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
     }
 
     /**
@@ -404,8 +404,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+	public function get_description($context = 'view') {
+		return $this->get_prop('description', $context);
     }
 
     /**
@@ -415,8 +415,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_excerpt($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -426,8 +426,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_summary($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -437,8 +437,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
 	}
 
 	/**
@@ -448,8 +448,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_code( $context = 'view' ) {
-		return $this->get_prop( 'code', $context );
+	public function get_code($context = 'view') {
+		return $this->get_prop('code', $context);
 	}
 
 	/**
@@ -459,8 +459,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_coupon_code( $context = 'view' ) {
-		return $this->get_code( $context );
+	public function get_coupon_code($context = 'view') {
+		return $this->get_code($context);
 	}
 
 	/**
@@ -470,8 +470,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_code( $context );
+	public function get_discount_code($context = 'view') {
+		return $this->get_code($context);
 	}
 
 	/**
@@ -481,8 +481,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_amount( $context = 'view' ) {
-		return $context == 'view' ? floatval( $this->get_prop( 'amount', $context ) ) : $this->get_prop( 'amount', $context );
+	public function get_amount($context = 'view') {
+		return $context == 'view' ? floatval($this->get_prop('amount', $context)) : $this->get_prop('amount', $context);
 	}
 
 	/**
@@ -493,13 +493,13 @@ 
 	 */
 	public function get_formatted_amount() {
 
-		if ( $this->is_type( 'flat' ) ) {
-			$rate = wpinv_price( $this->get_amount() );
+		if ($this->is_type('flat')) {
+			$rate = wpinv_price($this->get_amount());
 		} else {
 			$rate = $this->get_amount() . '%';
 		}
 
-		return apply_filters( 'wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount() );
+		return apply_filters('wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount());
 	}
 
 	/**
@@ -509,8 +509,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_start( $context = 'view' ) {
-		return $this->get_prop( 'start', $context );
+	public function get_start($context = 'view') {
+		return $this->get_prop('start', $context);
 	}
 
 	/**
@@ -520,8 +520,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_start_date( $context = 'view' ) {
-		return $this->get_start( $context );
+	public function get_start_date($context = 'view') {
+		return $this->get_start($context);
 	}
 
 	/**
@@ -531,8 +531,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_expiration( $context = 'view' ) {
-		return $this->get_prop( 'expiration', $context );
+	public function get_expiration($context = 'view') {
+		return $this->get_prop('expiration', $context);
 	}
 
 	/**
@@ -542,8 +542,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_expiration_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
+	public function get_expiration_date($context = 'view') {
+		return $this->get_expiration($context);
 	}
 
 	/**
@@ -553,8 +553,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_end_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
+	public function get_end_date($context = 'view') {
+		return $this->get_expiration($context);
 	}
 
 	/**
@@ -564,8 +564,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_type( $context = 'view' ) {
-		return $this->get_prop( 'type', $context );
+	public function get_type($context = 'view') {
+		return $this->get_prop('type', $context);
 	}
 
 	/**
@@ -575,8 +575,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_uses( $context = 'view' ) {
-		return (int) $this->get_prop( 'uses', $context );
+	public function get_uses($context = 'view') {
+		return (int) $this->get_prop('uses', $context);
 	}
 
 	/**
@@ -587,7 +587,7 @@ 
 	 */
 	public function get_usage() {
 
-		if ( ! $this->has_limit() ) {
+		if (!$this->has_limit()) {
 			return $this->get_uses() . ' / ' . ' &infin;';
 		}
 
@@ -602,9 +602,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_max_uses( $context = 'view' ) {
-		$max_uses = $this->get_prop( 'max_uses', $context );
-		return empty( $max_uses ) ? null : $max_uses;
+	public function get_max_uses($context = 'view') {
+		$max_uses = $this->get_prop('max_uses', $context);
+		return empty($max_uses) ? null : $max_uses;
 	}
 
 	/**
@@ -614,8 +614,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_is_single_use( $context = 'view' ) {
-		return $this->get_prop( 'is_single_use', $context );
+	public function get_is_single_use($context = 'view') {
+		return $this->get_prop('is_single_use', $context);
 	}
 
 	/**
@@ -625,8 +625,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'items', $context ) ) );
+	public function get_items($context = 'view') {
+		return array_filter(wp_parse_id_list($this->get_prop('items', $context)));
 	}
 
 	/**
@@ -636,8 +636,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_allowed_items( $context = 'view' ) {
-		return $this->get_items( $context );
+	public function get_allowed_items($context = 'view') {
+		return $this->get_items($context);
 	}
 
 	/**
@@ -647,8 +647,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_excluded_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'excluded_items', $context ) ) );
+	public function get_excluded_items($context = 'view') {
+		return array_filter(wp_parse_id_list($this->get_prop('excluded_items', $context)));
 	}
 
 	/**
@@ -658,8 +658,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_required_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'required_items', $context ) ) );
+	public function get_required_items($context = 'view') {
+		return array_filter(wp_parse_id_list($this->get_prop('required_items', $context)));
 	}
 
 	/**
@@ -669,8 +669,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int|string|bool
 	 */
-	public function get_is_recurring( $context = 'view' ) {
-		return $this->get_prop( 'is_recurring', $context );
+	public function get_is_recurring($context = 'view') {
+		return $this->get_prop('is_recurring', $context);
 	}
 
 	/**
@@ -680,9 +680,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_min_total( $context = 'view' ) {
-		$minimum = $this->get_prop( 'min_total', $context );
-		return empty( $minimum ) ? null : $minimum;
+	public function get_min_total($context = 'view') {
+		$minimum = $this->get_prop('min_total', $context);
+		return empty($minimum) ? null : $minimum;
 	}
 
 	/**
@@ -692,8 +692,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_minimum_total( $context = 'view' ) {
-		return $this->get_min_total( $context );
+	public function get_minimum_total($context = 'view') {
+		return $this->get_min_total($context);
 	}
 
 	/**
@@ -703,9 +703,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_max_total( $context = 'view' ) {
-		$maximum = $this->get_prop( 'max_total', $context );
-		return empty( $maximum ) ? null : $maximum;
+	public function get_max_total($context = 'view') {
+		$maximum = $this->get_prop('max_total', $context);
+		return empty($maximum) ? null : $maximum;
 	}
 
 	/**
@@ -715,8 +715,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_maximum_total( $context = 'view' ) {
-		return $this->get_max_total( $context );
+	public function get_maximum_total($context = 'view') {
+		return $this->get_max_total($context);
 	}
 
 	/**
@@ -729,8 +729,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return mixed Value of the given discount property (if set).
 	 */
-	public function get( $key, $context = 'view' ) {
-        return $this->get_prop( $key, $context );
+	public function get($key, $context = 'view') {
+        return $this->get_prop($key, $context);
 	}
 
 	/*
@@ -750,10 +750,10 @@ 
 	 * @param  string $status New status.
 	 * @return array details of change.
 	 */
-	public function set_status( $status ) {
+	public function set_status($status) {
         $old_status = $this->get_status();
 
-        $this->set_prop( 'status', $status );
+        $this->set_prop('status', $status);
 
 		return array(
 			'from' => $old_status,
@@ -766,8 +766,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -777,11 +777,11 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_created( $value ) {
-        $date = strtotime( $value );
+	public function set_date_created($value) {
+        $date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date) {
+            $this->set_prop('date_created', date('Y-m-d H:i:s', $date));
             return true;
         }
 
@@ -796,11 +796,11 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_modified( $value ) {
-        $date = strtotime( $value );
+	public function set_date_modified($value) {
+        $date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date) {
+            $this->set_prop('date_modified', date('Y-m-d H:i:s', $date));
             return true;
         }
 
@@ -814,9 +814,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_name( $value ) {
-        $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+	public function set_name($value) {
+        $name = sanitize_text_field($value);
+		$this->set_prop('name', $name);
     }
 
     /**
@@ -825,8 +825,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+	public function set_title($value) {
+		$this->set_name($value);
     }
 
     /**
@@ -835,9 +835,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_description( $value ) {
-        $description = wp_kses_post( $value );
-		return $this->set_prop( 'description', $description );
+	public function set_description($value) {
+        $description = wp_kses_post($value);
+		return $this->set_prop('description', $description);
     }
 
     /**
@@ -846,8 +846,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+	public function set_excerpt($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -856,8 +856,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+	public function set_summary($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -866,8 +866,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
+	public function set_author($value) {
+		$this->set_prop('author', (int) $value);
 	}
 
 	/**
@@ -876,9 +876,9 @@ 
 	 * @since 1.0.19
 	 * @param string $value New discount code.
 	 */
-	public function set_code( $value ) {
-		$code = sanitize_text_field( $value );
-		$this->set_prop( 'code', $code );
+	public function set_code($value) {
+		$code = sanitize_text_field($value);
+		$this->set_prop('code', $code);
 	}
 
 	/**
@@ -887,8 +887,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value New discount code.
 	 */
-	public function set_coupon_code( $value ) {
-		$this->set_code( $value );
+	public function set_coupon_code($value) {
+		$this->set_code($value);
 	}
 
 	/**
@@ -897,8 +897,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value New discount code.
 	 */
-	public function set_discount_code( $value ) {
-		$this->set_code( $value );
+	public function set_discount_code($value) {
+		$this->set_code($value);
 	}
 
 	/**
@@ -907,9 +907,9 @@ 
 	 * @since 1.0.19
 	 * @param float $value New discount code.
 	 */
-	public function set_amount( $value ) {
-		$amount = floatval( wpinv_sanitize_amount( $value ) );
-		$this->set_prop( 'amount', $amount );
+	public function set_amount($value) {
+		$amount = floatval(wpinv_sanitize_amount($value));
+		$this->set_prop('amount', $amount);
 	}
 
 	/**
@@ -918,15 +918,15 @@ 
 	 * @since 1.0.19
 	 * @param float $value New start date.
 	 */
-	public function set_start( $value ) {
-		$date = strtotime( $value );
+	public function set_start($value) {
+		$date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'start', date( 'Y-m-d H:i', $date ) );
+        if ($date) {
+            $this->set_prop('start', date('Y-m-d H:i', $date));
             return true;
 		}
 
-		$this->set_prop( 'start', '' );
+		$this->set_prop('start', '');
 
         return false;
 	}
@@ -937,8 +937,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value New start date.
 	 */
-	public function set_start_date( $value ) {
-		$this->set_start( $value );
+	public function set_start_date($value) {
+		$this->set_start($value);
 	}
 
 	/**
@@ -947,15 +947,15 @@ 
 	 * @since 1.0.19
 	 * @param float $value New expiration date.
 	 */
-	public function set_expiration( $value ) {
-		$date = strtotime( $value );
+	public function set_expiration($value) {
+		$date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'expiration', date( 'Y-m-d H:i', $date ) );
+        if ($date) {
+            $this->set_prop('expiration', date('Y-m-d H:i', $date));
             return true;
         }
 
-		$this->set_prop( 'expiration', '' );
+		$this->set_prop('expiration', '');
         return false;
 	}
 
@@ -965,8 +965,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value New expiration date.
 	 */
-	public function set_expiration_date( $value ) {
-		$this->set_expiration( $value );
+	public function set_expiration_date($value) {
+		$this->set_expiration($value);
 	}
 
 	/**
@@ -975,8 +975,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value New expiration date.
 	 */
-	public function set_end_date( $value ) {
-		$this->set_expiration( $value );
+	public function set_end_date($value) {
+		$this->set_expiration($value);
 	}
 
 	/**
@@ -985,9 +985,9 @@ 
 	 * @since 1.0.19
 	 * @param string $value New discount type.
 	 */
-	public function set_type( $value ) {
-		if ( $value && array_key_exists( sanitize_text_field( $value ), wpinv_get_discount_types() ) ) {
-			$this->set_prop( 'type', sanitize_text_field( $value ) );
+	public function set_type($value) {
+		if ($value && array_key_exists(sanitize_text_field($value), wpinv_get_discount_types())) {
+			$this->set_prop('type', sanitize_text_field($value));
 		}
 	}
 
@@ -997,15 +997,15 @@ 
 	 * @since 1.0.19
 	 * @param int $value usage count.
 	 */
-	public function set_uses( $value ) {
+	public function set_uses($value) {
 
 		$value = (int) $value;
 
-		if ( $value < 0 ) {
+		if ($value < 0) {
 			$value = 0;
 		}
 
-		$this->set_prop( 'uses', (int) $value );
+		$this->set_prop('uses', (int) $value);
 	}
 
 	/**
@@ -1014,8 +1014,8 @@ 
 	 * @since 1.0.19
 	 * @param int $value maximum usage count.
 	 */
-	public function set_max_uses( $value ) {
-		$this->set_prop( 'max_uses', absint( $value ) );
+	public function set_max_uses($value) {
+		$this->set_prop('max_uses', absint($value));
 	}
 
 	/**
@@ -1024,8 +1024,8 @@ 
 	 * @since 1.0.19
 	 * @param int|bool $value is single use.
 	 */
-	public function set_is_single_use( $value ) {
-		$this->set_prop( 'is_single_use', (bool) $value );
+	public function set_is_single_use($value) {
+		$this->set_prop('is_single_use', (bool) $value);
 	}
 
 	/**
@@ -1034,8 +1034,8 @@ 
 	 * @since 1.0.19
 	 * @param array $value items.
 	 */
-	public function set_items( $value ) {
-		$this->set_prop( 'items', array_filter( wp_parse_id_list( $value ) ) );
+	public function set_items($value) {
+		$this->set_prop('items', array_filter(wp_parse_id_list($value)));
 	}
 
 	/**
@@ -1044,8 +1044,8 @@ 
 	 * @since 1.0.19
 	 * @param array $value items.
 	 */
-	public function set_allowed_items( $value ) {
-		$this->set_items( $value );
+	public function set_allowed_items($value) {
+		$this->set_items($value);
 	}
 
 	/**
@@ -1054,8 +1054,8 @@ 
 	 * @since 1.0.19
 	 * @param array $value items.
 	 */
-	public function set_excluded_items( $value ) {
-		$this->set_prop( 'excluded_items', array_filter( wp_parse_id_list( $value ) ) );
+	public function set_excluded_items($value) {
+		$this->set_prop('excluded_items', array_filter(wp_parse_id_list($value)));
 	}
 
 	/**
@@ -1064,8 +1064,8 @@ 
 	 * @since 1.0.19
 	 * @param array $value items.
 	 */
-	public function set_required_items( $value ) {
-		$this->set_prop( 'required_items', array_filter( wp_parse_id_list( $value ) ) );
+	public function set_required_items($value) {
+		$this->set_prop('required_items', array_filter(wp_parse_id_list($value)));
 	}
 
 	/**
@@ -1074,8 +1074,8 @@ 
 	 * @since 1.0.19
 	 * @param int|bool $value is recurring.
 	 */
-	public function set_is_recurring( $value ) {
-		$this->set_prop( 'is_recurring', (bool) $value );
+	public function set_is_recurring($value) {
+		$this->set_prop('is_recurring', (bool) $value);
 	}
 
 	/**
@@ -1084,8 +1084,8 @@ 
 	 * @since 1.0.19
 	 * @param float $value minimum total.
 	 */
-	public function set_min_total( $value ) {
-		$this->set_prop( 'min_total', (float) wpinv_sanitize_amount( $value ) );
+	public function set_min_total($value) {
+		$this->set_prop('min_total', (float) wpinv_sanitize_amount($value));
 	}
 
 	/**
@@ -1094,8 +1094,8 @@ 
 	 * @since 1.0.19
 	 * @param float $value minimum total.
 	 */
-	public function set_minimum_total( $value ) {
-		$this->set_min_total( $value );
+	public function set_minimum_total($value) {
+		$this->set_min_total($value);
 	}
 
 	/**
@@ -1104,8 +1104,8 @@ 
 	 * @since 1.0.19
 	 * @param float $value maximum total.
 	 */
-	public function set_max_total( $value ) {
-		$this->set_prop( 'max_total', (float) wpinv_sanitize_amount( $value ) );
+	public function set_max_total($value) {
+		$this->set_prop('max_total', (float) wpinv_sanitize_amount($value));
 	}
 
 	/**
@@ -1114,23 +1114,23 @@ 
 	 * @since 1.0.19
 	 * @param float $value maximum total.
 	 */
-	public function set_maximum_total( $value ) {
-		$this->set_max_total( $value );
+	public function set_maximum_total($value) {
+		$this->set_max_total($value);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function refresh(){}
+	public function refresh() {}
 
 	/**
 	 * @deprecated
 	 *
 	 */
-	public function update_status( $status = 'publish' ) {
+	public function update_status($status = 'publish') {
 
-		if ( $this->exists() && $this->get_status() != $status ) {
-			$this->set_status( $status );
+		if ($this->exists() && $this->get_status() != $status) {
+			$this->set_status($status);
 			$this->save();
 		}
 
@@ -1152,7 +1152,7 @@ 
 	 */
 	public function exists() {
 		$id = $this->get_id();
-		return ! empty( $id );
+		return !empty($id);
 	}
 
 	/**
@@ -1163,7 +1163,7 @@ 
 	 * @since 1.0.15
 	 * @return bool
 	 */
-	public function is_type( $type ) {
+	public function is_type($type) {
 		return $this->get_type() == $type;
 	}
 
@@ -1185,7 +1185,7 @@ 
 	 */
 	public function has_limit() {
 		$limit = $this->get_max_uses();
-		return ! empty( $limit );
+		return !empty($limit);
 	}
 
 	/**
@@ -1206,13 +1206,13 @@ 
 	 */
 	public function has_exceeded_limit() {
 
-		if ( ! $this->has_limit() || ! $this->has_uses() ) {
+		if (!$this->has_limit() || !$this->has_uses()) {
 			$exceeded = false;
 		} else {
 			$exceeded = (int) $this->get_max_uses() <= $this->get_uses();
 		}
 
-		return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code() );
+		return apply_filters('wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code());
 	}
 
 	/**
@@ -1223,7 +1223,7 @@ 
 	 */
 	public function has_expiration_date() {
 		$date = $this->get_expiration_date();
-		return ! empty( $date );
+		return !empty($date);
 	}
 
 	/**
@@ -1233,8 +1233,8 @@ 
 	 * @return bool
 	 */
 	public function is_expired() {
-		$expired = $this->has_expiration_date() ? current_time( 'timestamp' ) > strtotime( $this->get_expiration_date() ) : false;
-		return apply_filters( 'wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code() );
+		$expired = $this->has_expiration_date() ? current_time('timestamp') > strtotime($this->get_expiration_date()) : false;
+		return apply_filters('wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code());
 	}
 
 	/**
@@ -1245,7 +1245,7 @@ 
 	 */
 	public function has_start_date() {
 		$date = $this->get_start_date();
-		return ! empty( $date );
+		return !empty($date);
 	}
 
 	/**
@@ -1255,8 +1255,8 @@ 
 	 * @return bool
 	 */
 	public function has_started() {
-		$started = $this->has_start_date() ? true : current_time( 'timestamp' ) > strtotime( $this->get_start_date() );
-		return apply_filters( 'wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code() );
+		$started = $this->has_start_date() ? true : current_time('timestamp') > strtotime($this->get_start_date());
+		return apply_filters('wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code());
 	}
 
 	/**
@@ -1267,7 +1267,7 @@ 
 	 */
 	public function has_allowed_items() {
 		$allowed_items = $this->get_allowed_items();
-		return ! empty( $allowed_items );
+		return !empty($allowed_items);
 	}
 
 	/**
@@ -1278,7 +1278,7 @@ 
 	 */
 	public function has_excluded_items() {
 		$excluded_items = $this->get_excluded_items();
-		return ! empty( $excluded_items );
+		return !empty($excluded_items);
 	}
 
 	/**
@@ -1288,17 +1288,17 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_items( $item_ids ) {
+	public function is_valid_for_items($item_ids) {
 
-		$item_ids = array_filter( wp_parse_id_list( $item_ids ) );
-		$included = array_intersect( $item_ids, $this->get_allowed_items() );
-		$excluded = array_intersect( $item_ids, $this->get_excluded_items() );
+		$item_ids = array_filter(wp_parse_id_list($item_ids));
+		$included = array_intersect($item_ids, $this->get_allowed_items());
+		$excluded = array_intersect($item_ids, $this->get_excluded_items());
 
-		if ( $this->has_excluded_items() && ! empty( $excluded ) ) {
+		if ($this->has_excluded_items() && !empty($excluded)) {
 			return false;
 		}
 
-		if ( $this->has_allowed_items() && empty( $included ) ) {
+		if ($this->has_allowed_items() && empty($included)) {
 			return false;
 		}
 
@@ -1313,7 +1313,7 @@ 
 	 */
 	public function has_required_items() {
 		$required_items = $this->get_required_items();
-		return ! empty( $required_items );
+		return !empty($required_items);
 	}
 
 	/**
@@ -1323,13 +1323,13 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_required_items_met( $item_ids ) {
+	public function is_required_items_met($item_ids) {
 
-		if ( ! $this->has_required_items() ) {
+		if (!$this->has_required_items()) {
 			return true;
 		}
 
-		return ! array_diff( $this->get_required_items(), array_filter( wp_parse_id_list( $item_ids ) ) );
+		return !array_diff($this->get_required_items(), array_filter(wp_parse_id_list($item_ids)));
 	}
 
 	/**
@@ -1339,8 +1339,8 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_amount( $amount ) {
-		return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
+	public function is_valid_for_amount($amount) {
+		return $this->is_minimum_amount_met($amount) && $this->is_maximum_amount_met($amount);
 	}
 
 	/**
@@ -1351,7 +1351,7 @@ 
 	 */
 	public function has_minimum_amount() {
 		$minimum = $this->get_minimum_total();
-		return ! empty( $minimum );
+		return !empty($minimum);
 	}
 
 	/**
@@ -1361,10 +1361,10 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_minimum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$min_met = ! ( $this->has_minimum_amount() && $amount < floatval( wpinv_sanitize_amount( $this->get_minimum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount );
+	public function is_minimum_amount_met($amount) {
+		$amount = floatval(wpinv_sanitize_amount($amount));
+		$min_met = !($this->has_minimum_amount() && $amount < floatval(wpinv_sanitize_amount($this->get_minimum_total())));
+		return apply_filters('wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount);
 	}
 
 	/**
@@ -1375,7 +1375,7 @@ 
 	 */
 	public function has_maximum_amount() {
 		$maximum = $this->get_maximum_total();
-		return ! empty( $maximum );
+		return !empty($maximum);
 	}
 
 	/**
@@ -1385,10 +1385,10 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_maximum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$max_met = ! ( $this->has_maximum_amount() && $amount > floatval( wpinv_sanitize_amount( $this->get_maximum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount );
+	public function is_maximum_amount_met($amount) {
+		$amount = floatval(wpinv_sanitize_amount($amount));
+		$max_met = !($this->has_maximum_amount() && $amount > floatval(wpinv_sanitize_amount($this->get_maximum_total())));
+		return apply_filters('wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount);
 	}
 
 	/**
@@ -1399,7 +1399,7 @@ 
 	 */
 	public function is_recurring() {
 		$recurring = $this->get_is_recurring();
-		return ! empty( $recurring );
+		return !empty($recurring);
 	}
 
 	/**
@@ -1410,7 +1410,7 @@ 
 	 */
 	public function is_single_use() {
 		$usage = $this->get_is_single_use();
-		return ! empty( $usage );
+		return !empty($usage);
 	}
 
 	/**
@@ -1420,25 +1420,25 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_user( $user ) {
+	public function is_valid_for_user($user) {
 
 		// Ensure that the discount is single use.
-		if ( empty( $user ) || ! $this->is_single_use() ) {
+		if (empty($user) || !$this->is_single_use()) {
 			return true;
 		}
 
 		// Prepare the user id.
 		$user_id = 0;
-        if ( is_numeric( $user ) ) {
-            $user_id = absint( $user );
-        } elseif ( is_email( $user ) && $user_data = get_user_by( 'email', $user ) ) {
+        if (is_numeric($user)) {
+            $user_id = absint($user);
+        } elseif (is_email($user) && $user_data = get_user_by('email', $user)) {
             $user_id = $user_data->ID;
-        } elseif ( $user_data = get_user_by( 'login', $user ) ) {
+        } elseif ($user_data = get_user_by('login', $user)) {
             $user_id = $user_data->ID;
         }
 
 		// Ensure that we have a user.
-		if ( empty( $user_id ) ) {
+		if (empty($user_id)) {
 			return true;
 		}
 
@@ -1450,13 +1450,13 @@ 
 				'paginate' => false,
             )
         );
-		$code     = strtolower( $this->get_code() );
+		$code = strtolower($this->get_code());
 
 		// For each payment...
-		foreach ( $payments as $payment ) {
+		foreach ($payments as $payment) {
 
 			// Only check for paid invoices.
-			if ( $payment->is_paid() && strtolower( $payment->get_discount_code() ) == $code ) {
+			if ($payment->is_paid() && strtolower($payment->get_discount_code()) == $code) {
 				return false;
 			}
 }
@@ -1481,24 +1481,24 @@ 
 	 * @param int $by The number of usages to increas by.
 	 * @return int
 	 */
-	public function increase_usage( $by = 1 ) {
+	public function increase_usage($by = 1) {
 
 		// Abort if zero.
-		if ( empty( $by ) ) {
+		if (empty($by)) {
 			return;
 		}
 
 		// Increase the usage.
-		$this->set_uses( $this->get_uses() + (int) $by );
+		$this->set_uses($this->get_uses() + (int) $by);
 
 		// Save the discount.
 		$this->save();
 
 		// Fire relevant hooks.
-		if ( (int) $by > 0 ) {
-			do_action( 'wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
+		if ((int) $by > 0) {
+			do_action('wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint($by));
 		} else {
-			do_action( 'wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
+			do_action('wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint($by));
 		}
 
 		// Return the number of times the discount has been used.
@@ -1522,7 +1522,7 @@ 
 	 * @param float $amount
 	 * @return float
 	 */
-	public function get_discounted_amount( $amount ) {
+	public function get_discounted_amount($amount) {
 
 		// Convert amount to float.
 		$amount = (float) $amount;
@@ -1530,29 +1530,29 @@ 
 		// Get discount amount.
 		$discount_amount = $this->get_amount();
 
-		if ( empty( $discount_amount ) ) {
+		if (empty($discount_amount)) {
 			return 0;
 		}
 
 		// Format the amount.
-		$discount_amount = floatval( wpinv_sanitize_amount( $discount_amount ) );
+		$discount_amount = floatval(wpinv_sanitize_amount($discount_amount));
 
 		// If this is a percentage discount.
-		if ( $this->is_type( 'percent' ) ) {
-            $discount_amount = $amount * ( $discount_amount / 100 );
+		if ($this->is_type('percent')) {
+            $discount_amount = $amount * ($discount_amount / 100);
 		}
 
 		// Discount can not be less than zero...
-		if ( $discount_amount < 0 ) {
+		if ($discount_amount < 0) {
 			$discount_amount = 0;
 		}
 
 		// ... or more than the amount.
-		if ( $discount_amount > $amount ) {
+		if ($discount_amount > $amount) {
 			$discount_amount = $amount;
 		}
 
-		return apply_filters( 'wpinv_discount_total_discount_amount', $discount_amount, $amount, $this );
+		return apply_filters('wpinv_discount_total_discount_amount', $discount_amount, $amount, $this);
 	}
 
 }

includes/class-wpinv-legacy-invoice.php

Indentation +19 added lines, -19 removed lines

@@ -775,10 +775,10 @@ 
         $allowed_fee_keys = apply_filters(
             'wpinv_fee_keys',
             array(
-				'index',
-				'label',
-				'amount',
-				'type',
+                'index',
+                'label',
+                'amount',
+                'type',
             )
         );
 
@@ -850,19 +850,19 @@ 
         $note_id = wp_insert_comment(
             wp_filter_comment(
                 array(
-					'comment_post_ID'      => $this->ID,
-					'comment_content'      => $note,
-					'comment_agent'        => 'WPInvoicing',
-					'user_id'              => is_admin() ? get_current_user_id() : 0,
-					'comment_date'         => current_time( 'mysql' ),
-					'comment_date_gmt'     => current_time( 'mysql', 1 ),
-					'comment_approved'     => 1,
-					'comment_parent'       => 0,
-					'comment_author'       => $comment_author,
-					'comment_author_IP'    => wpinv_get_ip(),
-					'comment_author_url'   => '',
-					'comment_author_email' => $comment_author_email,
-					'comment_type'         => 'wpinv_note',
+                    'comment_post_ID'      => $this->ID,
+                    'comment_content'      => $note,
+                    'comment_agent'        => 'WPInvoicing',
+                    'user_id'              => is_admin() ? get_current_user_id() : 0,
+                    'comment_date'         => current_time( 'mysql' ),
+                    'comment_date_gmt'     => current_time( 'mysql', 1 ),
+                    'comment_approved'     => 1,
+                    'comment_parent'       => 0,
+                    'comment_author'       => $comment_author,
+                    'comment_author_IP'    => wpinv_get_ip(),
+                    'comment_author_url'   => '',
+                    'comment_author_email' => $comment_author_email,
+                    'comment_type'         => 'wpinv_note',
                 )
             )
         );
@@ -875,8 +875,8 @@ 
             do_action(
                 'wpinv_new_customer_note',
                 array(
-					'invoice_id' => $this->ID,
-					'user_note'  => $note,
+                    'invoice_id' => $this->ID,
+                    'user_note'  => $note,
                 )
             );
         }

Spacing +292 added lines, -292 removed lines

@@ -7,7 +7,7 @@ 
  */
 
 // MUST have WordPress.
-if ( ! defined( 'WPINC' ) ) {
+if (!defined('WPINC')) {
     exit;
 }
 
@@ -19,7 +19,7 @@ 
     /**
      * Invoice id.
      */
-    public $ID  = 0;
+    public $ID = 0;
 
     /**
      * The title of the invoice. Usually the invoice number.
@@ -135,7 +135,7 @@ 
     /**
      * The invoice status.
      */
-    public $status      = 'wpi-pending';
+    public $status = 'wpi-pending';
 
     /**
      * Same as self::$status.
@@ -262,17 +262,17 @@ 
      */
     public $parent_invoice = 0;
 
-    public function __construct( $invoice_id = false ) {
-        if ( empty( $invoice_id ) ) {
+    public function __construct($invoice_id = false) {
+        if (empty($invoice_id)) {
             return false;
         }
 
-        $this->setup_invoice( $invoice_id );
+        $this->setup_invoice($invoice_id);
     }
 
-    public function get( $key ) {
-        if ( method_exists( $this, 'get_' . $key ) ) {
-            $value = call_user_func( array( $this, 'get_' . $key ) );
+    public function get($key) {
+        if (method_exists($this, 'get_' . $key)) {
+            $value = call_user_func(array($this, 'get_' . $key));
         } else {
             $value = $this->$key;
         }
@@ -280,43 +280,43 @@ 
         return $value;
     }
 
-    public function set( $key, $value ) {
-        $ignore = array( 'items', 'cart_details', 'fees', '_ID' );
+    public function set($key, $value) {
+        $ignore = array('items', 'cart_details', 'fees', '_ID');
 
-        if ( $key === 'status' ) {
+        if ($key === 'status') {
             $this->old_status = $this->status;
         }
 
-        if ( ! in_array( $key, $ignore ) ) {
-            $this->pending[ $key ] = $value;
+        if (!in_array($key, $ignore)) {
+            $this->pending[$key] = $value;
         }
 
-        if ( '_ID' !== $key ) {
+        if ('_ID' !== $key) {
             $this->$key = $value;
         }
     }
 
-    public function _isset( $name ) {
-        if ( property_exists( $this, $name ) ) {
-            return false === empty( $this->$name );
+    public function _isset($name) {
+        if (property_exists($this, $name)) {
+            return false === empty($this->$name);
         } else {
             return null;
         }
     }
 
-    private function setup_invoice( $invoice_id ) {
+    private function setup_invoice($invoice_id) {
         $this->pending = array();
 
-        $invoice = get_post( $invoice_id );
+        $invoice = get_post($invoice_id);
 
-        if ( ! $invoice || is_wp_error( $invoice ) ) {
+        if (!$invoice || is_wp_error($invoice)) {
             return false;
         }
 
-        do_action( 'wpinv_pre_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_pre_setup_invoice', $this, $invoice_id);
 
         // Primary Identifier
-        $this->ID              = absint( $invoice_id );
+        $this->ID              = absint($invoice_id);
         $this->post_type       = $invoice->post_type;
 
         // We have a payment, get the generic payment_meta item to reduce calls to it
@@ -326,15 +326,15 @@ 
         $this->completed_date  = $this->setup_completed_date();
         $this->status          = $invoice->post_status;
 
-        if ( 'future' == $this->status ) {
+        if ('future' == $this->status) {
             $this->status = 'publish';
         }
 
         $this->post_status     = $this->status;
         $this->mode            = $this->setup_mode();
         $this->parent_invoice  = $invoice->post_parent;
-        $this->post_name       = $this->setup_post_name( $invoice );
-        $this->status_nicename = $this->setup_status_nicename( $invoice->post_status );
+        $this->post_name       = $this->setup_post_name($invoice);
+        $this->status_nicename = $this->setup_status_nicename($invoice->post_status);
 
         // Items
         $this->fees            = $this->setup_fees();
@@ -356,8 +356,8 @@ 
 
         // User based
         $this->ip              = $this->setup_ip();
-        $this->user_id         = ! empty( $invoice->post_author ) ? $invoice->post_author : get_current_user_id();///$this->setup_user_id();
-        $this->email           = get_the_author_meta( 'email', $this->user_id );
+        $this->user_id         = !empty($invoice->post_author) ? $invoice->post_author : get_current_user_id(); ///$this->setup_user_id();
+        $this->email           = get_the_author_meta('email', $this->user_id);
 
         $this->user_info       = $this->setup_user_info();
 
@@ -366,7 +366,7 @@ 
         $this->company         = $this->user_info['company'];
         $this->vat_number      = $this->user_info['vat_number'];
         $this->vat_rate        = $this->user_info['vat_rate'];
-        $this->adddress_confirmed  = $this->user_info['adddress_confirmed'];
+        $this->adddress_confirmed = $this->user_info['adddress_confirmed'];
         $this->address         = $this->user_info['address'];
         $this->city            = $this->user_info['city'];
         $this->country         = $this->user_info['country'];
@@ -381,31 +381,31 @@ 
         // Other Identifiers
         $this->key             = $this->setup_invoice_key();
         $this->number          = $this->setup_invoice_number();
-        $this->title           = ! empty( $invoice->post_title ) ? $invoice->post_title : $this->number;
+        $this->title           = !empty($invoice->post_title) ? $invoice->post_title : $this->number;
 
-        $this->full_name       = trim( $this->first_name . ' ' . $this->last_name );
+        $this->full_name       = trim($this->first_name . ' ' . $this->last_name);
 
         // Allow extensions to add items to this object via hook
-        do_action( 'wpinv_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_setup_invoice', $this, $invoice_id);
 
         return true;
     }
 
-    private function setup_status_nicename( $status ) {
+    private function setup_status_nicename($status) {
         return $status;
     }
 
-    private function setup_post_name( $post ) {
+    private function setup_post_name($post) {
         $this->post_name = $post->post_name;
     }
 
     private function setup_due_date() {
-        $due_date = $this->get_meta( '_wpinv_due_date' );
+        $due_date = $this->get_meta('_wpinv_due_date');
 
-        if ( empty( $due_date ) ) {
-            $overdue_time = strtotime( $this->date ) + ( DAY_IN_SECONDS * absint( wpinv_get_option( 'overdue_days', 0 ) ) );
-            $due_date = date_i18n( 'Y-m-d', $overdue_time );
-        } elseif ( $due_date == 'none' ) {
+        if (empty($due_date)) {
+            $overdue_time = strtotime($this->date) + (DAY_IN_SECONDS * absint(wpinv_get_option('overdue_days', 0)));
+            $due_date = date_i18n('Y-m-d', $overdue_time);
+        } elseif ($due_date == 'none') {
             $due_date = '';
         }
 
@@ -413,67 +413,67 @@ 
     }
 
     private function setup_completed_date() {
-        $invoice = get_post( $this->ID );
+        $invoice = get_post($this->ID);
 
-        if ( 'wpi-pending' == $invoice->post_status || 'preapproved' == $invoice->post_status ) {
+        if ('wpi-pending' == $invoice->post_status || 'preapproved' == $invoice->post_status) {
             return false; // This invoice was never paid
         }
 
-        $date = ( $date = $this->get_meta( '_wpinv_completed_date', true ) ) ? $date : $invoice->modified_date;
+        $date = ($date = $this->get_meta('_wpinv_completed_date', true)) ? $date : $invoice->modified_date;
 
         return $date;
     }
 
     private function setup_cart_details() {
-        $cart_details = isset( $this->payment_meta['cart_details'] ) ? maybe_unserialize( $this->payment_meta['cart_details'] ) : array();
+        $cart_details = isset($this->payment_meta['cart_details']) ? maybe_unserialize($this->payment_meta['cart_details']) : array();
         return $cart_details;
     }
 
     public function array_convert() {
-        return get_object_vars( $this );
+        return get_object_vars($this);
     }
 
     private function setup_items() {
-        $items = isset( $this->payment_meta['items'] ) ? maybe_unserialize( $this->payment_meta['items'] ) : array();
+        $items = isset($this->payment_meta['items']) ? maybe_unserialize($this->payment_meta['items']) : array();
         return $items;
     }
 
     private function setup_fees() {
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
         return $payment_fees;
     }
 
     private function setup_currency() {
-        $currency = isset( $this->payment_meta['currency'] ) ? $this->payment_meta['currency'] : apply_filters( 'wpinv_currency_default', wpinv_get_currency(), $this );
+        $currency = isset($this->payment_meta['currency']) ? $this->payment_meta['currency'] : apply_filters('wpinv_currency_default', wpinv_get_currency(), $this);
         return $currency;
     }
 
     private function setup_discount() {
         //$discount = $this->get_meta( '_wpinv_discount', true );
-        $discount = (float)$this->subtotal - ( (float)$this->total - (float)$this->tax - (float)$this->fees_total );
-        if ( $discount < 0 ) {
+        $discount = (float) $this->subtotal - ((float) $this->total - (float) $this->tax - (float) $this->fees_total);
+        if ($discount < 0) {
             $discount = 0;
         }
-        $discount = wpinv_round_amount( $discount );
+        $discount = wpinv_round_amount($discount);
 
         return $discount;
     }
 
     private function setup_discount_code() {
-        $discount_code = ! empty( $this->discounts ) ? $this->discounts : $this->get_meta( '_wpinv_discount_code', true );
+        $discount_code = !empty($this->discounts) ? $this->discounts : $this->get_meta('_wpinv_discount_code', true);
         return $discount_code;
     }
 
     private function setup_tax() {
 
-        $tax = $this->get_meta( '_wpinv_tax', true );
+        $tax = $this->get_meta('_wpinv_tax', true);
 
         // We don't have tax as it's own meta and no meta was passed
-        if ( '' === $tax ) {
-            $tax = isset( $this->payment_meta['tax'] ) ? $this->payment_meta['tax'] : 0;
+        if ('' === $tax) {
+            $tax = isset($this->payment_meta['tax']) ? $this->payment_meta['tax'] : 0;
         }
 
-        if ( $tax < 0 || ! $this->is_taxable() ) {
+        if ($tax < 0 || !$this->is_taxable()) {
             $tax = 0;
         }
 
@@ -484,16 +484,16 @@ 
      * If taxes are enabled, allow users to enable/disable taxes per invoice.
      */
     private function setup_is_taxable() {
-        return (int) $this->get_meta( '_wpinv_disable_taxes', true );
+        return (int) $this->get_meta('_wpinv_disable_taxes', true);
     }
 
     private function setup_subtotal() {
         $subtotal     = 0;
         $cart_details = $this->cart_details;
 
-        if ( is_array( $cart_details ) ) {
-            foreach ( $cart_details as $item ) {
-                if ( isset( $item['subtotal'] ) ) {
+        if (is_array($cart_details)) {
+            foreach ($cart_details as $item) {
+                if (isset($item['subtotal'])) {
                     $subtotal += $item['subtotal'];
                 }
             }
@@ -507,23 +507,23 @@ 
     }
 
     private function setup_discounts() {
-        $discounts = ! empty( $this->payment_meta['user_info']['discount'] ) ? $this->payment_meta['user_info']['discount'] : array();
+        $discounts = !empty($this->payment_meta['user_info']['discount']) ? $this->payment_meta['user_info']['discount'] : array();
         return $discounts;
     }
 
     private function setup_total() {
-        $amount = $this->get_meta( '_wpinv_total', true );
+        $amount = $this->get_meta('_wpinv_total', true);
 
-        if ( empty( $amount ) && '0.00' != $amount ) {
-            $meta   = $this->get_meta( '_wpinv_payment_meta', true );
-            $meta   = maybe_unserialize( $meta );
+        if (empty($amount) && '0.00' != $amount) {
+            $meta   = $this->get_meta('_wpinv_payment_meta', true);
+            $meta   = maybe_unserialize($meta);
 
-            if ( isset( $meta['amount'] ) ) {
+            if (isset($meta['amount'])) {
                 $amount = $meta['amount'];
             }
         }
 
-        if ( $amount < 0 ) {
+        if ($amount < 0) {
             $amount = 0;
         }
 
@@ -531,13 +531,13 @@ 
     }
 
     private function setup_mode() {
-        return $this->get_meta( '_wpinv_mode' );
+        return $this->get_meta('_wpinv_mode');
     }
 
     private function setup_gateway() {
-        $gateway = $this->get_meta( '_wpinv_gateway' );
+        $gateway = $this->get_meta('_wpinv_gateway');
 
-        if ( empty( $gateway ) && 'publish' === $this->status ) {
+        if (empty($gateway) && 'publish' === $this->status) {
             $gateway = 'manual';
         }
 
@@ -545,23 +545,23 @@ 
     }
 
     private function setup_gateway_title() {
-        $gateway_title = wpinv_get_gateway_checkout_label( $this->gateway );
+        $gateway_title = wpinv_get_gateway_checkout_label($this->gateway);
         return $gateway_title;
     }
 
     private function setup_transaction_id() {
-        $transaction_id = $this->get_meta( '_wpinv_transaction_id' );
+        $transaction_id = $this->get_meta('_wpinv_transaction_id');
 
-        if ( empty( $transaction_id ) || (int) $transaction_id === (int) $this->ID ) {
+        if (empty($transaction_id) || (int) $transaction_id === (int) $this->ID) {
             $gateway        = $this->gateway;
-            $transaction_id = apply_filters( 'wpinv_get_invoice_transaction_id-' . $gateway, $this->ID );
+            $transaction_id = apply_filters('wpinv_get_invoice_transaction_id-' . $gateway, $this->ID);
         }
 
         return $transaction_id;
     }
 
     private function setup_ip() {
-        $ip = $this->get_meta( '_wpinv_user_ip' );
+        $ip = $this->get_meta('_wpinv_user_ip');
         return $ip;
     }
 
@@ -571,62 +571,62 @@ 
     ///}
 
     private function setup_first_name() {
-        $first_name = $this->get_meta( '_wpinv_first_name' );
+        $first_name = $this->get_meta('_wpinv_first_name');
         return $first_name;
     }
 
     private function setup_last_name() {
-        $last_name = $this->get_meta( '_wpinv_last_name' );
+        $last_name = $this->get_meta('_wpinv_last_name');
         return $last_name;
     }
 
     private function setup_company() {
-        $company = $this->get_meta( '_wpinv_company' );
+        $company = $this->get_meta('_wpinv_company');
         return $company;
     }
 
     private function setup_vat_number() {
-        $vat_number = $this->get_meta( '_wpinv_vat_number' );
+        $vat_number = $this->get_meta('_wpinv_vat_number');
         return $vat_number;
     }
 
     private function setup_vat_rate() {
-        $vat_rate = $this->get_meta( '_wpinv_vat_rate' );
+        $vat_rate = $this->get_meta('_wpinv_vat_rate');
         return $vat_rate;
     }
 
     private function setup_adddress_confirmed() {
-        $adddress_confirmed = $this->get_meta( '_wpinv_adddress_confirmed' );
+        $adddress_confirmed = $this->get_meta('_wpinv_adddress_confirmed');
         return $adddress_confirmed;
     }
 
     private function setup_phone() {
-        $phone = $this->get_meta( '_wpinv_phone' );
+        $phone = $this->get_meta('_wpinv_phone');
         return $phone;
     }
 
     private function setup_address() {
-        $address = $this->get_meta( '_wpinv_address', true );
+        $address = $this->get_meta('_wpinv_address', true);
         return $address;
     }
 
     private function setup_city() {
-        $city = $this->get_meta( '_wpinv_city', true );
+        $city = $this->get_meta('_wpinv_city', true);
         return $city;
     }
 
     private function setup_country() {
-        $country = $this->get_meta( '_wpinv_country', true );
+        $country = $this->get_meta('_wpinv_country', true);
         return $country;
     }
 
     private function setup_state() {
-        $state = $this->get_meta( '_wpinv_state', true );
+        $state = $this->get_meta('_wpinv_state', true);
         return $state;
     }
 
     private function setup_zip() {
-        $zip = $this->get_meta( '_wpinv_zip', true );
+        $zip = $this->get_meta('_wpinv_zip', true);
         return $zip;
     }
 
@@ -635,7 +635,7 @@ 
             'user_id'            => $this->user_id,
             'first_name'         => $this->first_name,
             'last_name'          => $this->last_name,
-            'email'              => get_the_author_meta( 'email', $this->user_id ),
+            'email'              => get_the_author_meta('email', $this->user_id),
             'phone'              => $this->phone,
             'address'            => $this->address,
             'city'               => $this->city,
@@ -650,12 +650,12 @@ 
         );
 
         $user_info = array();
-        if ( isset( $this->payment_meta['user_info'] ) ) {
-            $user_info = maybe_unserialize( $this->payment_meta['user_info'] );
+        if (isset($this->payment_meta['user_info'])) {
+            $user_info = maybe_unserialize($this->payment_meta['user_info']);
 
-            if ( ! empty( $user_info ) && isset( $user_info['user_id'] ) && $post = get_post( $this->ID ) ) {
+            if (!empty($user_info) && isset($user_info['user_id']) && $post = get_post($this->ID)) {
                 $this->user_id = $post->post_author;
-                $this->email = get_the_author_meta( 'email', $this->user_id );
+                $this->email = get_the_author_meta('email', $this->user_id);
 
                 $user_info['user_id'] = $this->user_id;
                 $user_info['email'] = $this->email;
@@ -664,13 +664,13 @@ 
             }
         }
 
-        $user_info    = wp_parse_args( $user_info, $defaults );
+        $user_info = wp_parse_args($user_info, $defaults);
 
         // Get the user, but only if it's been created
-        $user = get_userdata( $this->user_id );
+        $user = get_userdata($this->user_id);
 
-        if ( ! empty( $user ) && $user->ID > 0 ) {
-            if ( empty( $user_info ) ) {
+        if (!empty($user) && $user->ID > 0) {
+            if (empty($user_info)) {
                 $user_info = array(
                     'user_id'    => $user->ID,
                     'first_name' => $user->first_name,
@@ -679,23 +679,23 @@ 
                     'discount'   => '',
                 );
             } else {
-                foreach ( $user_info as $key => $value ) {
-                    if ( ! empty( $value ) ) {
+                foreach ($user_info as $key => $value) {
+                    if (!empty($value)) {
                         continue;
                     }
 
-                    switch ( $key ) {
+                    switch ($key) {
                         case 'user_id':
-                            $user_info[ $key ] = $user->ID;
+                            $user_info[$key] = $user->ID;
                             break;
                         case 'first_name':
-                            $user_info[ $key ] = $user->first_name;
+                            $user_info[$key] = $user->first_name;
                             break;
                         case 'last_name':
-                            $user_info[ $key ] = $user->last_name;
+                            $user_info[$key] = $user->last_name;
                             break;
                         case 'email':
-                            $user_info[ $key ] = $user->user_email;
+                            $user_info[$key] = $user->user_email;
                             break;
                     }
                 }
@@ -706,25 +706,25 @@ 
     }
 
     private function setup_invoice_key() {
-        $key = $this->get_meta( '_wpinv_key', true );
+        $key = $this->get_meta('_wpinv_key', true);
 
         return $key;
     }
 
     private function setup_invoice_number() {
-        $number = $this->get_meta( '_wpinv_number', true );
+        $number = $this->get_meta('_wpinv_number', true);
 
-        if ( ! $number ) {
+        if (!$number) {
             $number = $this->ID;
 
-            if ( $this->status == 'auto-draft' ) {
-                if ( wpinv_sequential_number_active( $this->post_type ) ) {
-                    $next_number = wpinv_get_next_invoice_number( $this->post_type );
+            if ($this->status == 'auto-draft') {
+                if (wpinv_sequential_number_active($this->post_type)) {
+                    $next_number = wpinv_get_next_invoice_number($this->post_type);
                     $number      = $next_number;
                 }
             }
 
-            $number = wpinv_format_invoice_number( $number, $this->post_type );
+            $number = wpinv_format_invoice_number($number, $this->post_type);
         }
 
         return $number;
@@ -732,7 +732,7 @@ 
 
     public function save() {}
 
-    public function add_fee( $args ) {
+    public function add_fee($args) {
         $default_args = array(
             'label'   => '',
             'amount'  => 0,
@@ -742,36 +742,36 @@ 
             'item_id' => 0,
         );
 
-        $fee = wp_parse_args( $args, $default_args );
+        $fee = wp_parse_args($args, $default_args);
 
-        if ( empty( $fee['label'] ) ) {
+        if (empty($fee['label'])) {
             return false;
         }
 
-        $fee['id']  = sanitize_title( $fee['label'] );
+        $fee['id'] = sanitize_title($fee['label']);
 
-        $this->fees[]               = $fee;
+        $this->fees[] = $fee;
 
         $added_fee               = $fee;
         $added_fee['action']     = 'add';
         $this->pending['fees'][] = $added_fee;
-        reset( $this->fees );
+        reset($this->fees);
 
-        $this->increase_fees( $fee['amount'] );
+        $this->increase_fees($fee['amount']);
         return true;
     }
 
-    public function remove_fee( $key ) {
+    public function remove_fee($key) {
         $removed = false;
 
-        if ( is_numeric( $key ) ) {
-            $removed = $this->remove_fee_by( 'index', $key );
+        if (is_numeric($key)) {
+            $removed = $this->remove_fee_by('index', $key);
         }
 
         return $removed;
     }
 
-    public function remove_fee_by( $key, $value, $global = false ) {
+    public function remove_fee_by($key, $value, $global = false) {
         $allowed_fee_keys = apply_filters(
             'wpinv_fee_keys',
             array(
@@ -782,41 +782,41 @@ 
             )
         );
 
-        if ( ! in_array( $key, $allowed_fee_keys ) ) {
+        if (!in_array($key, $allowed_fee_keys)) {
             return false;
         }
 
         $removed = false;
-        if ( 'index' === $key && array_key_exists( $value, $this->fees ) ) {
-            $removed_fee             = $this->fees[ $value ];
+        if ('index' === $key && array_key_exists($value, $this->fees)) {
+            $removed_fee             = $this->fees[$value];
             $removed_fee['action']   = 'remove';
             $this->pending['fees'][] = $removed_fee;
 
-            $this->decrease_fees( $removed_fee['amount'] );
+            $this->decrease_fees($removed_fee['amount']);
 
-            unset( $this->fees[ $value ] );
+            unset($this->fees[$value]);
             $removed = true;
-        } elseif ( 'index' !== $key ) {
-            foreach ( $this->fees as $index => $fee ) {
-                if ( isset( $fee[ $key ] ) && $fee[ $key ] == $value ) {
+        } elseif ('index' !== $key) {
+            foreach ($this->fees as $index => $fee) {
+                if (isset($fee[$key]) && $fee[$key] == $value) {
                     $removed_fee             = $fee;
                     $removed_fee['action']   = 'remove';
                     $this->pending['fees'][] = $removed_fee;
 
-                    $this->decrease_fees( $removed_fee['amount'] );
+                    $this->decrease_fees($removed_fee['amount']);
 
-                    unset( $this->fees[ $index ] );
+                    unset($this->fees[$index]);
                     $removed = true;
 
-                    if ( false === $global ) {
+                    if (false === $global) {
                         break;
                     }
                 }
             }
         }
 
-        if ( true === $removed ) {
-            $this->fees = array_values( $this->fees );
+        if (true === $removed) {
+            $this->fees = array_values($this->fees);
         }
 
         return $removed;
@@ -824,28 +824,28 @@ 
 
 
 
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
         // Bail if no note specified
-        if ( ! $note ) {
+        if (!$note) {
             return false;
         }
 
-        if ( empty( $this->ID ) ) {
+        if (empty($this->ID)) {
             return false;
         }
 
-        if ( ( ( is_user_logged_in() && wpinv_current_user_can_manage_invoicing() ) || $added_by_user ) && ! $system ) {
-            $user                 = get_user_by( 'id', get_current_user_id() );
+        if (((is_user_logged_in() && wpinv_current_user_can_manage_invoicing()) || $added_by_user) && !$system) {
+            $user                 = get_user_by('id', get_current_user_id());
             $comment_author       = $user->display_name;
             $comment_author_email = $user->user_email;
         } else {
             $comment_author       = 'System';
             $comment_author_email = 'system@';
-            $comment_author_email .= isset( $_SERVER['HTTP_HOST'] ) ? str_replace( 'www.', '', $_SERVER['HTTP_HOST'] ) : 'noreply.com';
-            $comment_author_email = sanitize_email( $comment_author_email );
+            $comment_author_email .= isset($_SERVER['HTTP_HOST']) ? str_replace('www.', '', $_SERVER['HTTP_HOST']) : 'noreply.com';
+            $comment_author_email = sanitize_email($comment_author_email);
         }
 
-        do_action( 'wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type );
+        do_action('wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type);
 
         $note_id = wp_insert_comment(
             wp_filter_comment(
@@ -854,8 +854,8 @@ 
 					'comment_content'      => $note,
 					'comment_agent'        => 'WPInvoicing',
 					'user_id'              => is_admin() ? get_current_user_id() : 0,
-					'comment_date'         => current_time( 'mysql' ),
-					'comment_date_gmt'     => current_time( 'mysql', 1 ),
+					'comment_date'         => current_time('mysql'),
+					'comment_date_gmt'     => current_time('mysql', 1),
 					'comment_approved'     => 1,
 					'comment_parent'       => 0,
 					'comment_author'       => $comment_author,
@@ -867,10 +867,10 @@ 
             )
         );
 
-        do_action( 'wpinv_insert_payment_note', $note_id, $this->ID, $note );
+        do_action('wpinv_insert_payment_note', $note_id, $this->ID, $note);
 
-        if ( $customer_type ) {
-            add_comment_meta( $note_id, '_wpi_customer_note', 1 );
+        if ($customer_type) {
+            add_comment_meta($note_id, '_wpi_customer_note', 1);
 
             do_action(
                 'wpinv_new_customer_note',
@@ -884,40 +884,40 @@ 
         return $note_id;
     }
 
-    private function increase_subtotal( $amount = 0.00 ) {
+    private function increase_subtotal($amount = 0.00) {
         $amount          = (float) $amount;
         $this->subtotal += $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
         $this->recalculate_total();
     }
 
-    private function decrease_subtotal( $amount = 0.00 ) {
+    private function decrease_subtotal($amount = 0.00) {
         $amount          = (float) $amount;
         $this->subtotal -= $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
-        if ( $this->subtotal < 0 ) {
+        if ($this->subtotal < 0) {
             $this->subtotal = 0;
         }
 
         $this->recalculate_total();
     }
 
-    private function increase_fees( $amount = 0.00 ) {
-        $amount            = (float)$amount;
+    private function increase_fees($amount = 0.00) {
+        $amount            = (float) $amount;
         $this->fees_total += $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
         $this->recalculate_total();
     }
 
-    private function decrease_fees( $amount = 0.00 ) {
+    private function decrease_fees($amount = 0.00) {
         $amount            = (float) $amount;
         $this->fees_total -= $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
-        if ( $this->fees_total < 0 ) {
+        if ($this->fees_total < 0) {
             $this->fees_total = 0;
         }
 
@@ -928,56 +928,56 @@ 
         global $wpi_nosave;
 
         $this->total = $this->subtotal + $this->tax + $this->fees_total;
-        $this->total = wpinv_round_amount( $this->total );
+        $this->total = wpinv_round_amount($this->total);
 
-        do_action( 'wpinv_invoice_recalculate_total', $this, $wpi_nosave );
+        do_action('wpinv_invoice_recalculate_total', $this, $wpi_nosave);
     }
 
-    public function increase_tax( $amount = 0.00 ) {
+    public function increase_tax($amount = 0.00) {
         $amount       = (float) $amount;
         $this->tax   += $amount;
 
         $this->recalculate_total();
     }
 
-    public function decrease_tax( $amount = 0.00 ) {
+    public function decrease_tax($amount = 0.00) {
         $amount     = (float) $amount;
         $this->tax -= $amount;
 
-        if ( $this->tax < 0 ) {
+        if ($this->tax < 0) {
             $this->tax = 0;
         }
 
         $this->recalculate_total();
     }
 
-    public function update_status( $new_status = false, $note = '', $manual = false ) {
-        $old_status = ! empty( $this->old_status ) ? $this->old_status : get_post_status( $this->ID );
+    public function update_status($new_status = false, $note = '', $manual = false) {
+        $old_status = !empty($this->old_status) ? $this->old_status : get_post_status($this->ID);
 
-        if ( $old_status === $new_status && in_array( $new_status, array_keys( wpinv_get_invoice_statuses( true ) ) ) ) {
+        if ($old_status === $new_status && in_array($new_status, array_keys(wpinv_get_invoice_statuses(true)))) {
             return false; // Don't permit status changes that aren't changes
         }
 
-        $do_change = apply_filters( 'wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status );
+        $do_change = apply_filters('wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status);
         $updated = false;
 
-        if ( $do_change ) {
-            do_action( 'wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status );
+        if ($do_change) {
+            do_action('wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status);
 
             $update_post_data                   = array();
             $update_post_data['ID']             = $this->ID;
             $update_post_data['post_status']    = $new_status;
-            $update_post_data['edit_date']      = current_time( 'mysql', 0 );
-            $update_post_data['edit_date_gmt']  = current_time( 'mysql', 1 );
+            $update_post_data['edit_date']      = current_time('mysql', 0);
+            $update_post_data['edit_date_gmt']  = current_time('mysql', 1);
 
-            $update_post_data = apply_filters( 'wpinv_update_invoice_status_fields', $update_post_data, $this->ID );
+            $update_post_data = apply_filters('wpinv_update_invoice_status_fields', $update_post_data, $this->ID);
 
-            $updated = wp_update_post( $update_post_data );
+            $updated = wp_update_post($update_post_data);
 
             // Status was changed.
-            do_action( 'wpinv_status_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_update_status', $this->ID, $new_status, $old_status );
+            do_action('wpinv_status_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_update_status', $this->ID, $new_status, $old_status);
         }
 
         return $updated;
@@ -994,114 +994,114 @@ 
     public function update_meta() {}
 
     // get data
-    public function get_meta( $meta_key = '_wpinv_payment_meta', $single = true ) {
-        $meta = get_post_meta( $this->ID, $meta_key, $single );
+    public function get_meta($meta_key = '_wpinv_payment_meta', $single = true) {
+        $meta = get_post_meta($this->ID, $meta_key, $single);
 
-        if ( $meta_key === '_wpinv_payment_meta' ) {
+        if ($meta_key === '_wpinv_payment_meta') {
 
-            if ( ! is_array( $meta ) ) {
-$meta = array();} // we need this to be an array so make sure it is.
+            if (!is_array($meta)) {
+$meta = array(); } // we need this to be an array so make sure it is.
 
-            if ( empty( $meta['key'] ) ) {
+            if (empty($meta['key'])) {
                 $meta['key'] = $this->setup_invoice_key();
             }
 
-            if ( empty( $meta['date'] ) ) {
-                $meta['date'] = get_post_field( 'post_date', $this->ID );
+            if (empty($meta['date'])) {
+                $meta['date'] = get_post_field('post_date', $this->ID);
             }
         }
 
-        $meta = apply_filters( 'wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID );
+        $meta = apply_filters('wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID);
 
-        return apply_filters( 'wpinv_get_invoice_meta', $meta, $this->ID, $meta_key );
+        return apply_filters('wpinv_get_invoice_meta', $meta, $this->ID, $meta_key);
     }
 
     public function get_description() {
-        $post = get_post( $this->ID );
+        $post = get_post($this->ID);
 
-        $description = ! empty( $post ) ? $post->post_content : '';
-        return apply_filters( 'wpinv_get_description', $description, $this->ID, $this );
+        $description = !empty($post) ? $post->post_content : '';
+        return apply_filters('wpinv_get_description', $description, $this->ID, $this);
     }
 
-    public function get_status( $nicename = false ) {
-        if ( ! $nicename ) {
+    public function get_status($nicename = false) {
+        if (!$nicename) {
             $status = $this->status;
         } else {
             $status = $this->status_nicename;
         }
 
-        return apply_filters( 'wpinv_get_status', $status, $nicename, $this->ID, $this );
+        return apply_filters('wpinv_get_status', $status, $nicename, $this->ID, $this);
     }
 
     public function get_cart_details() {
-        return apply_filters( 'wpinv_cart_details', $this->cart_details, $this->ID, $this );
+        return apply_filters('wpinv_cart_details', $this->cart_details, $this->ID, $this);
     }
 
-    public function get_subtotal( $currency = false ) {
-        $subtotal = wpinv_round_amount( $this->subtotal );
+    public function get_subtotal($currency = false) {
+        $subtotal = wpinv_round_amount($this->subtotal);
 
-        if ( $currency ) {
-            $subtotal = wpinv_price( wpinv_format_amount( $subtotal, null, ! $currency ), $this->get_currency() );
+        if ($currency) {
+            $subtotal = wpinv_price(wpinv_format_amount($subtotal, null, !$currency), $this->get_currency());
         }
 
-        return apply_filters( 'wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency);
     }
 
-    public function get_total( $currency = false ) {
-        if ( $this->is_free_trial() ) {
-            $total = wpinv_round_amount( 0 );
+    public function get_total($currency = false) {
+        if ($this->is_free_trial()) {
+            $total = wpinv_round_amount(0);
         } else {
-            $total = wpinv_round_amount( $this->total );
+            $total = wpinv_round_amount($this->total);
         }
-        if ( $currency ) {
-            $total = wpinv_price( wpinv_format_amount( $total, null, ! $currency ), $this->get_currency() );
+        if ($currency) {
+            $total = wpinv_price(wpinv_format_amount($total, null, !$currency), $this->get_currency());
         }
 
-        return apply_filters( 'wpinv_get_invoice_total', $total, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_total', $total, $this->ID, $this, $currency);
     }
 
     public function get_recurring_details() {}
 
-    public function get_final_tax( $currency = false ) {
-        $final_total = wpinv_round_amount( $this->tax );
-        if ( $currency ) {
-            $final_total = wpinv_price( wpinv_format_amount( $final_total, null, ! $currency ), $this->get_currency() );
+    public function get_final_tax($currency = false) {
+        $final_total = wpinv_round_amount($this->tax);
+        if ($currency) {
+            $final_total = wpinv_price(wpinv_format_amount($final_total, null, !$currency), $this->get_currency());
         }
 
-        return apply_filters( 'wpinv_get_invoice_final_total', $final_total, $this, $currency );
+        return apply_filters('wpinv_get_invoice_final_total', $final_total, $this, $currency);
     }
 
-    public function get_discounts( $array = false ) {
+    public function get_discounts($array = false) {
         $discounts = $this->discounts;
-        if ( $array && $discounts ) {
-            $discounts = explode( ',', $discounts );
+        if ($array && $discounts) {
+            $discounts = explode(',', $discounts);
         }
-        return apply_filters( 'wpinv_payment_discounts', $discounts, $this->ID, $this, $array );
+        return apply_filters('wpinv_payment_discounts', $discounts, $this->ID, $this, $array);
     }
 
-    public function get_discount( $currency = false, $dash = false ) {
-        if ( ! empty( $this->discounts ) ) {
+    public function get_discount($currency = false, $dash = false) {
+        if (!empty($this->discounts)) {
             global $ajax_cart_details;
             $ajax_cart_details = $this->get_cart_details();
 
-            if ( ! empty( $ajax_cart_details ) && count( $ajax_cart_details ) == count( $this->items ) ) {
+            if (!empty($ajax_cart_details) && count($ajax_cart_details) == count($this->items)) {
                 $cart_items = $ajax_cart_details;
             } else {
                 $cart_items = $this->items;
             }
 
-            $this->discount = wpinv_get_cart_items_discount_amount( $cart_items, $this->discounts );
+            $this->discount = wpinv_get_cart_items_discount_amount($cart_items, $this->discounts);
         }
-        $discount   = wpinv_round_amount( $this->discount );
+        $discount   = wpinv_round_amount($this->discount);
         $dash       = $dash && $discount > 0 ? '&ndash;' : '';
 
-        if ( $currency ) {
-            $discount = wpinv_price( wpinv_format_amount( $discount, null, ! $currency ), $this->get_currency() );
+        if ($currency) {
+            $discount = wpinv_price(wpinv_format_amount($discount, null, !$currency), $this->get_currency());
         }
 
-        $discount   = $dash . $discount;
+        $discount = $dash . $discount;
 
-        return apply_filters( 'wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash );
+        return apply_filters('wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash);
     }
 
     public function get_discount_code() {
@@ -1113,150 +1113,150 @@ 
         return (int) $this->disable_taxes === 0;
     }
 
-    public function get_tax( $currency = false ) {
-        $tax = wpinv_round_amount( $this->tax );
+    public function get_tax($currency = false) {
+        $tax = wpinv_round_amount($this->tax);
 
-        if ( $currency ) {
-            $tax = wpinv_price( wpinv_format_amount( $tax, null, ! $currency ), $this->get_currency() );
+        if ($currency) {
+            $tax = wpinv_price(wpinv_format_amount($tax, null, !$currency), $this->get_currency());
         }
 
-        if ( ! $this->is_taxable() ) {
-            $tax = wpinv_round_amount( 0.00 );
+        if (!$this->is_taxable()) {
+            $tax = wpinv_round_amount(0.00);
         }
 
-        return apply_filters( 'wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency);
     }
 
-    public function get_fees( $type = 'all' ) {
-        $fees    = array();
+    public function get_fees($type = 'all') {
+        $fees = array();
 
-        if ( ! empty( $this->fees ) && is_array( $this->fees ) ) {
-            foreach ( $this->fees as $fee ) {
-                if ( 'all' != $type && ! empty( $fee['type'] ) && $type != $fee['type'] ) {
+        if (!empty($this->fees) && is_array($this->fees)) {
+            foreach ($this->fees as $fee) {
+                if ('all' != $type && !empty($fee['type']) && $type != $fee['type']) {
                     continue;
                 }
 
-                $fee['label'] = stripslashes( $fee['label'] );
-                $fee['amount_display'] = wpinv_price( $fee['amount'], $this->get_currency() );
-                $fees[]    = $fee;
+                $fee['label'] = stripslashes($fee['label']);
+                $fee['amount_display'] = wpinv_price($fee['amount'], $this->get_currency());
+                $fees[] = $fee;
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees', $fees, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees', $fees, $this->ID, $this);
     }
 
     public function get_fees_total() {
         $fees_total = (float) 0.00;
 
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
-        if ( ! empty( $payment_fees ) ) {
-            foreach ( $payment_fees as $fee ) {
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
+        if (!empty($payment_fees)) {
+            foreach ($payment_fees as $fee) {
                 $fees_total += (float) $fee['amount'];
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this);
 
     }
 
     public function get_user_id() {
-        return apply_filters( 'wpinv_user_id', $this->user_id, $this->ID, $this );
+        return apply_filters('wpinv_user_id', $this->user_id, $this->ID, $this);
     }
 
     public function get_first_name() {
-        return apply_filters( 'wpinv_first_name', $this->first_name, $this->ID, $this );
+        return apply_filters('wpinv_first_name', $this->first_name, $this->ID, $this);
     }
 
     public function get_last_name() {
-        return apply_filters( 'wpinv_last_name', $this->last_name, $this->ID, $this );
+        return apply_filters('wpinv_last_name', $this->last_name, $this->ID, $this);
     }
 
     public function get_user_full_name() {
-        return apply_filters( 'wpinv_user_full_name', $this->full_name, $this->ID, $this );
+        return apply_filters('wpinv_user_full_name', $this->full_name, $this->ID, $this);
     }
 
     public function get_user_info() {
-        return apply_filters( 'wpinv_user_info', $this->user_info, $this->ID, $this );
+        return apply_filters('wpinv_user_info', $this->user_info, $this->ID, $this);
     }
 
     public function get_email() {
-        return apply_filters( 'wpinv_user_email', $this->email, $this->ID, $this );
+        return apply_filters('wpinv_user_email', $this->email, $this->ID, $this);
     }
 
     public function get_address() {
-        return apply_filters( 'wpinv_address', $this->address, $this->ID, $this );
+        return apply_filters('wpinv_address', $this->address, $this->ID, $this);
     }
 
     public function get_phone() {
-        return apply_filters( 'wpinv_phone', $this->phone, $this->ID, $this );
+        return apply_filters('wpinv_phone', $this->phone, $this->ID, $this);
     }
 
     public function get_number() {
-        return apply_filters( 'wpinv_number', $this->number, $this->ID, $this );
+        return apply_filters('wpinv_number', $this->number, $this->ID, $this);
     }
 
     public function get_items() {
-        return apply_filters( 'wpinv_payment_meta_items', $this->items, $this->ID, $this );
+        return apply_filters('wpinv_payment_meta_items', $this->items, $this->ID, $this);
     }
 
     public function get_key() {
-        return apply_filters( 'wpinv_key', $this->key, $this->ID, $this );
+        return apply_filters('wpinv_key', $this->key, $this->ID, $this);
     }
 
     public function get_transaction_id() {
-        return apply_filters( 'wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this);
     }
 
     public function get_gateway() {
-        return apply_filters( 'wpinv_gateway', $this->gateway, $this->ID, $this );
+        return apply_filters('wpinv_gateway', $this->gateway, $this->ID, $this);
     }
 
     public function get_gateway_title() {}
 
     public function get_currency() {
-        return apply_filters( 'wpinv_currency_code', $this->currency, $this->ID, $this );
+        return apply_filters('wpinv_currency_code', $this->currency, $this->ID, $this);
     }
 
     public function get_created_date() {
-        return apply_filters( 'wpinv_created_date', $this->date, $this->ID, $this );
+        return apply_filters('wpinv_created_date', $this->date, $this->ID, $this);
     }
 
-    public function get_due_date( $display = false ) {
-        $due_date = apply_filters( 'wpinv_due_date', $this->due_date, $this->ID, $this );
+    public function get_due_date($display = false) {
+        $due_date = apply_filters('wpinv_due_date', $this->due_date, $this->ID, $this);
 
-        if ( ! $display ) {
+        if (!$display) {
             return $due_date;
         }
 
-        return getpaid_format_date( $this->due_date );
+        return getpaid_format_date($this->due_date);
     }
 
     public function get_completed_date() {
-        return apply_filters( 'wpinv_completed_date', $this->completed_date, $this->ID, $this );
+        return apply_filters('wpinv_completed_date', $this->completed_date, $this->ID, $this);
     }
 
-    public function get_invoice_date( $formatted = true ) {
+    public function get_invoice_date($formatted = true) {
         $date_completed = $this->completed_date;
         $invoice_date   = $date_completed != '' && $date_completed != '0000-00-00 00:00:00' ? $date_completed : '';
 
-        if ( $invoice_date == '' ) {
+        if ($invoice_date == '') {
             $date_created   = $this->date;
             $invoice_date   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? $date_created : '';
         }
 
-        if ( $formatted && $invoice_date ) {
-            $invoice_date   = getpaid_format_date( $invoice_date );
+        if ($formatted && $invoice_date) {
+            $invoice_date = getpaid_format_date($invoice_date);
         }
 
-        return apply_filters( 'wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this);
     }
 
     public function get_ip() {
-        return apply_filters( 'wpinv_user_ip', $this->ip, $this->ID, $this );
+        return apply_filters('wpinv_user_ip', $this->ip, $this->ID, $this);
     }
 
-    public function has_status( $status ) {
-        return apply_filters( 'wpinv_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status ) ) || $this->get_status() === $status ? true : false, $this, $status );
+    public function has_status($status) {
+        return apply_filters('wpinv_has_status', (is_array($status) && in_array($this->get_status(), $status)) || $this->get_status() === $status ? true : false, $this, $status);
     }
 
     public function add_item() {}
@@ -1273,66 +1273,66 @@ 
 
     public function get_view_url() {}
 
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
-        return strtolower( md5( $string . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) ) );  // Unique key
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
+        return strtolower(md5($string . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))); // Unique key
     }
 
     public function is_recurring() {
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return false;
         }
 
         $has_subscription = false;
-        foreach ( $this->cart_details as $cart_item ) {
-            if ( ! empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] ) ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $has_subscription = true;
                 break;
             }
         }
 
-        if ( count( $this->cart_details ) > 1 ) {
+        if (count($this->cart_details) > 1) {
             $has_subscription = false;
         }
 
-        return apply_filters( 'wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details );
+        return apply_filters('wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details);
     }
 
     public function is_free_trial() {
         $is_free_trial = false;
 
-        if ( $this->is_parent() && $item = $this->get_recurring( true ) ) {
-            if ( ! empty( $item ) && $item->has_free_trial() ) {
+        if ($this->is_parent() && $item = $this->get_recurring(true)) {
+            if (!empty($item) && $item->has_free_trial()) {
                 $is_free_trial = true;
             }
         }
 
-        return apply_filters( 'wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details, $this );
+        return apply_filters('wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details, $this);
     }
 
     public function is_initial_free() {}
 
-    public function get_recurring( $object = false ) {
+    public function get_recurring($object = false) {
         $item = null;
 
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return $item;
         }
 
-        foreach ( $this->cart_details as $cart_item ) {
-            if ( ! empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] ) ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $item = $cart_item['id'];
                 break;
             }
         }
 
-        if ( $object ) {
-            $item = $item ? new WPInv_Item( $item ) : null;
+        if ($object) {
+            $item = $item ? new WPInv_Item($item) : null;
 
-            apply_filters( 'wpinv_invoice_get_recurring_item', $item, $this );
+            apply_filters('wpinv_invoice_get_recurring_item', $item, $this);
         }
 
-        return apply_filters( 'wpinv_invoice_get_recurring_item_id', $item, $this );
+        return apply_filters('wpinv_invoice_get_recurring_item_id', $item, $this);
     }
 
     public function get_subscription_name() {}
@@ -1340,7 +1340,7 @@ 
     public function get_subscription_id() {}
 
     public function is_parent() {
-        return ! empty( $this->parent_invoice );
+        return !empty($this->parent_invoice);
     }
 
     public function is_renewal() {}
@@ -1354,8 +1354,8 @@ 
     public function is_refunded() {}
 
     public function is_free() {
-        $total = (float) wpinv_round_amount( $this->get_total() );
-        return $total > 0 && ! $this->is_recurring();
+        $total = (float) wpinv_round_amount($this->get_total());
+        return $total > 0 && !$this->is_recurring();
     }
 
     public function has_vat() {}

templates/payment-forms/elements/separator.php

Spacing +1 added lines, -1 removed lines

@@ -7,7 +7,7 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 ?>
 
 <hr class="featurette-divider" />

templates/wpinv-payment-processing.php

Spacing +3 added lines, -3 removed lines

@@ -3,8 +3,8 @@ 
     <p>
         <?php
             echo wp_sprintf(
-                wp_kses_post( __( 'Your payment is processing. This page will reload automatically in 10 seconds. If it does not, click <a href="%s">here</a>.', 'invoicing' ) ),
-                esc_url_raw( remove_query_arg( 'payment-confirm' ) )
+                wp_kses_post(__('Your payment is processing. This page will reload automatically in 10 seconds. If it does not, click <a href="%s">here</a>.', 'invoicing')),
+                esc_url_raw(remove_query_arg('payment-confirm'))
             );
         ?>
         <i class="fa fa-spin fa-refresh"></i>
@@ -13,7 +13,7 @@ 
     <script type="text/javascript">
         setTimeout(
             function(){
-                window.location.href = '<?php echo esc_url_raw( remove_query_arg( 'payment-confirm' ) ); ?>';
+                window.location.href = '<?php echo esc_url_raw(remove_query_arg('payment-confirm')); ?>';
             },
             10000
         );

templates/payment-forms-admin/previews/items.php

Spacing +3 added lines, -3 removed lines

@@ -7,14 +7,14 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div v-if='!is_default'>
-    <div class='alert alert-info' role='alert'><?php esc_html_e( 'Item totals will appear here. Click to set items.', 'invoicing' ); ?></div>
+    <div class='alert alert-info' role='alert'><?php esc_html_e('Item totals will appear here. Click to set items.', 'invoicing'); ?></div>
 </div>
 
 <div v-if='is_default'>
-    <div class='alert alert-info' role='alert'><?php esc_html_e( 'Item totals will appear here.', 'invoicing' ); ?></div>
+    <div class='alert alert-info' role='alert'><?php esc_html_e('Item totals will appear here.', 'invoicing'); ?></div>
 </div>

templates/payment-forms-admin/previews/file_upload.php

Spacing +3 added lines, -3 removed lines

@@ -7,15 +7,15 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <label><span v-html="form_element.label"></span></label>
 <div class="d-flex w-100 flex-column align-items-center justify-content-center p-2" style="height: 200px; border: 3px dashed rgb(136, 136, 136); cursor: pointer;">
     <div class="h5 text-dark">
-        <span v-if="form_element.max_file_num > 1"><?php esc_html_e( 'Drag files to this area or click to upload', 'invoicing' ); ?></span>
-        <span v-if="form_element.max_file_num < 2"><?php esc_html_e( 'Drag your file to this area or click to upload', 'invoicing' ); ?></span>
+        <span v-if="form_element.max_file_num > 1"><?php esc_html_e('Drag files to this area or click to upload', 'invoicing'); ?></span>
+        <span v-if="form_element.max_file_num < 2"><?php esc_html_e('Drag your file to this area or click to upload', 'invoicing'); ?></span>
     </div>
     <small v-if='form_element.description' class='form-text text-muted' v-html='form_element.description'></small>
 </div>

templates/invoice/header-left-actions.php

Spacing +8 added lines, -8 removed lines

@@ -8,25 +8,25 @@
  * @var WPInv_Invoice $invoice
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
         <div class="getpaid-header-left-actions">
 
-            <?php if ( $invoice->is_type( 'invoice' ) && $invoice->needs_payment() && ! $invoice->is_held() ) : ?>
-                <a class="btn btn-sm btn-primary m-1 d-inline-block invoice-action-pay" href="<?php echo esc_url( $invoice->get_checkout_payment_url() ); ?>">
-                    <?php esc_html_e( 'Pay For Invoice', 'invoicing' ); ?>
+            <?php if ($invoice->is_type('invoice') && $invoice->needs_payment() && !$invoice->is_held()) : ?>
+                <a class="btn btn-sm btn-primary m-1 d-inline-block invoice-action-pay" href="<?php echo esc_url($invoice->get_checkout_payment_url()); ?>">
+                    <?php esc_html_e('Pay For Invoice', 'invoicing'); ?>
                 </a>
             <?php endif; ?>
 
-            <?php if ( $invoice->is_type( 'invoice' ) && $invoice->is_paid() ) : ?>
-                <a class="btn btn-sm btn-info m-1 d-inline-block invoice-action-receipt" href="<?php echo esc_url( $invoice->get_receipt_url() ); ?>">
-                    <?php esc_html_e( 'View Receipt', 'invoicing' ); ?>
+            <?php if ($invoice->is_type('invoice') && $invoice->is_paid()) : ?>
+                <a class="btn btn-sm btn-info m-1 d-inline-block invoice-action-receipt" href="<?php echo esc_url($invoice->get_receipt_url()); ?>">
+                    <?php esc_html_e('View Receipt', 'invoicing'); ?>
                 </a>
             <?php endif; ?>
 
-            <?php do_action( 'wpinv_invoice_display_left_actions', $invoice ); ?>
+            <?php do_action('wpinv_invoice_display_left_actions', $invoice); ?>
 
         </div>
 

templates/subscriptions/subscriptions-table-row.php

Indentation +28 added lines, -28 removed lines

@@ -13,42 +13,42 @@
 
 foreach ( array_keys( $widget->get_subscriptions_table_columns() ) as $column ) :
 
-	$class = sanitize_html_class( $column );
-	echo "<td class='getpaid-subscriptions-table-column-" . esc_attr( $class ) . "'>";
+    $class = sanitize_html_class( $column );
+    echo "<td class='getpaid-subscriptions-table-column-" . esc_attr( $class ) . "'>";
 
-		do_action( "getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription );
+        do_action( "getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription );
 
-		switch ( $column ) :
+        switch ( $column ) :
 
-		case 'subscription':
-			$subscription_id = (int) $subscription->get_id();
-			$url             = esc_url( $subscription->get_view_url() );
-			$id_label        = sprintf(
-				esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
-				(int) $subscription->get_id()
-			);
-			echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
-			break;
+        case 'subscription':
+            $subscription_id = (int) $subscription->get_id();
+            $url             = esc_url( $subscription->get_view_url() );
+            $id_label        = sprintf(
+                esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
+                (int) $subscription->get_id()
+            );
+            echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
+            break;
 
-		case 'status':
-			echo esc_html( $subscription->get_status_label() );
-			break;
+        case 'status':
+            echo esc_html( $subscription->get_status_label() );
+            break;
 
-		case 'renewal-date':
-			$renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
-			echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
-			break;
+        case 'renewal-date':
+            $renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
+            echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
+            break;
 
-		case 'amount':
-			$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-			$amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
-			echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
-			break;
+        case 'amount':
+            $frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
+            $amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
+            echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
+            break;
 
-		endswitch;
+        endswitch;
 
-		do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
+        do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
 
-	echo '</td>';
+    echo '</td>';
 
 endforeach;

Switch Indentation +32 added lines, -32 removed lines

@@ -20,35 +20,35 @@
 
 		switch ( $column ) :
 
-		case 'subscription':
-			$subscription_id = (int) $subscription->get_id();
-			$url             = esc_url( $subscription->get_view_url() );
-			$id_label        = sprintf(
-				esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
-				(int) $subscription->get_id()
-			);
-			echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
-			break;
-
-		case 'status':
-			echo esc_html( $subscription->get_status_label() );
-			break;
-
-		case 'renewal-date':
-			$renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
-			echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
-			break;
-
-		case 'amount':
-			$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-			$amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
-			echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
-			break;
-
-		endswitch;
-
-		do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
-
-	echo '</td>';
-
-endforeach;
+		    case 'subscription':
+			    $subscription_id = (int) $subscription->get_id();
+			    $url             = esc_url( $subscription->get_view_url() );
+			    $id_label        = sprintf(
+				    esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
+				    (int) $subscription->get_id()
+			    );
+			    echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
+			    break;
+
+		    case 'status':
+			    echo esc_html( $subscription->get_status_label() );
+			    break;
+
+		    case 'renewal-date':
+			    $renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
+			    echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
+			    break;
+
+		    case 'amount':
+			    $frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
+			    $amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
+			    echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
+			    break;
+
+		    endswitch;
+
+		    do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
+
+	    echo '</td>';
+
+    endforeach;

Spacing +16 added lines, -16 removed lines

@@ -9,45 +9,45 @@
  * @var WPInv_Subscriptions_Widget $widget
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-foreach ( array_keys( $widget->get_subscriptions_table_columns() ) as $column ) :
+foreach (array_keys($widget->get_subscriptions_table_columns()) as $column) :
 
-	$class = sanitize_html_class( $column );
-	echo "<td class='getpaid-subscriptions-table-column-" . esc_attr( $class ) . "'>";
+	$class = sanitize_html_class($column);
+	echo "<td class='getpaid-subscriptions-table-column-" . esc_attr($class) . "'>";
 
-		do_action( "getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription );
+		do_action("getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription);
 
-		switch ( $column ) :
+		switch ($column) :
 
 		case 'subscription':
 			$subscription_id = (int) $subscription->get_id();
-			$url             = esc_url( $subscription->get_view_url() );
+			$url             = esc_url($subscription->get_view_url());
 			$id_label        = sprintf(
-				esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
+				esc_attr_x('#%s', 'subscription id', 'invoicing'),
 				(int) $subscription->get_id()
 			);
-			echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
+			echo wp_kses_post($widget->add_row_actions("<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription));
 			break;
 
 		case 'status':
-			echo esc_html( $subscription->get_status_label() );
+			echo esc_html($subscription->get_status_label());
 			break;
 
 		case 'renewal-date':
-			$renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
-			echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
+			$renewal = getpaid_format_date_value($subscription->get_next_renewal_date());
+			echo $subscription->is_active() ? esc_html($renewal) : '&mdash;';
 			break;
 
 		case 'amount':
-			$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-			$amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
-			echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
+			$frequency = getpaid_get_subscription_period_label($subscription->get_period(), $subscription->get_frequency(), '');
+			$amount    = wpinv_price($subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency());
+			echo wp_kses_post("<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>");
 			break;
 
 		endswitch;
 
-		do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
+		do_action("getpaid_subscriptions_frontend_subscription_table_$column", $subscription);
 
 	echo '</td>';