Changeset 6633 for sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-currency-xrt-client.php

Timestamp:

02/14/2018 01:00:05 AM (7 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;
-    }
 }