Changeset 6633

Timestamp:

02/14/2018 01:00:05 AM (9 years ago)

Author:

iandunn

Message:

Currency_XRT_Client: Cache responses from the Fixer API.

File:

• sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-currency-xrt-client.php (modified) (4 diffs)

sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-currency-xrt-client.php

@@ -79 +79 @@
         public function get_rates( $date ) {
                 $rates = array();
+                $cache_key = 'wc_currency_rates_' . strtotime( $date );
 
                 try {
@@ -88 +89 @@
                 }
 
-                $cached_rates = $this->get_cached_rates( $date );
+                $cached_rates = get_transient( $cache_key );
 
                 if ( false !== $cached_rates ) {
@@ -107 +108 @@
                 $rates = array_map( 'floatval', $rates );
 
-                $this->cache_rates( $date, $rates );
+                set_transient( $cache_key, $rates, MONTH_IN_SECONDS );
 
                 return $rates;
@@ -212 +213 @@
                 return $data;
         }
-
-        /**
-         * Check for cached currency exchange rates for a particular date and return them if available.
-         *
-         * @todo Add object and/or database caching.
-         *
-         * @param \DateTime $date The date to retrieve rates for.
-         *
-         * @return array|bool
-         */
-        protected function get_cached_rates( \DateTime $date ) {
-                if ( isset( $this->cache[ $date->format( 'Y-m-d' ) ] ) ) {
-                        return $this->cache[ $date->format( 'Y-m-d' ) ];
-                }
-
-                return false;
-        }
-
-        /**
-         * Cache the currency exchange rates for a particular date.
-         *
-         * @todo Add object and/or database caching.
-         *
-         * @param \DateTime $date The date of the rates to be cached.
-         * @param array $rates    The rates to be cached.
-         *
-         * @return void
-         */
-        protected function cache_rates( \DateTime $date, $rates ) {
-                $this->cache[ $date->format( 'Y-m-d' ) ] = $rates;
-        }
 }