cache imagify user response even in case of error

README.md

@@ -155,6 +155,9 @@ When the plugin is disabled, your existing images remain optimized. Backups of t
 Please report security bugs found in the site-reviews plugin's source code through the [Patchstack Vulnerability Disclosure Program](https://patchstack.com/database/vdp/imagify). The Patchstack team will assist you with verification, CVE assignment and take care of notifying the developers of this plugin.
 
 ## Changelog
+### 2.2.3.1
+- Enhancement: Decrease the amount of requests to imagify servers.
+
 ### 2.2.3
 - Enhancement: Cache the calls to the license API to avoid sending unnecessary requests
 - 3rd-party compatibility: Update priority on `template_redirect` to improve compatibility with WP Rocket’s LazyLoad

Tests/Integration/inc/classes/ImagifyUser/TestCase.php

@@ -12,6 +12,9 @@ public function setUp() {
 		parent::setUp();
 
 		$this->originalUserInstance = $this->resetPropertyValue( 'user', Imagify::class );
+
+		//Clean up the transients for API cache
+		delete_transient('imagify_user_cache');
 	}
 
 	public function tearDown() {
@@ -20,5 +23,10 @@ public function tearDown() {
 		// Restore the user on the static property.
 		$this->setPropertyValue( 'user', Imagify::class, $this->originalUserInstance );
 
+		//Clean up the transients for API cache
+		delete_transient('imagify_user_cache');
+
+
+
 	}
 }

classes/User/User.php

@@ -126,16 +126,15 @@ class User {
 	 */
 	public function __construct() {
 		$user = get_transient( 'imagify_user_cache' );
-
 		if ( ! $user ) {
 			$user = get_imagify_user();
 
-			if ( is_wp_error( $user ) ) {
-				$this->error = $user;
-				return;
-			}
+			set_transient( 'imagify_user_cache', $this->fill_user_for_error( $user ), 5 * MINUTE_IN_SECONDS );
+		}
 
-			set_transient( 'imagify_user_cache', $user, 5 * MINUTE_IN_SECONDS );
+		if ( is_wp_error( $user ) ) {
+			$this->error = $user;
+			return;
 		}
 
 		$this->id                           = $user->id;
@@ -149,7 +148,7 @@ public function __construct() {
 		$this->next_date_update             = $user->next_date_update;
 		$this->is_active                    = $user->is_active;
 		$this->is_monthly                   = $user->is_monthly;
-		$this->error                        = false;
+		$this->error                        = is_wp_error( $user );
 	}
 
 	/**
@@ -295,4 +294,30 @@ public function is_over_quota() {
 			floatval( 100 ) === round( $this->get_percent_consumed_quota() )
 		);
 	}
+
+	/**
+	 * Fill user object with missed details before saving the transient.
+	 *
+	 * @param object $user Error object.
+	 * @return object
+	 */
+	private function fill_user_for_error( $user ) {
+		if ( ! is_wp_error( $user ) ) {
+			return $user;
+		}
+
+		$user->id = 0;
+		$user->email = '';
+		$user->plan_id = 0;
+		$user->plan_label = '';
+		$user->quota = 0;
+		$user->extra_quota = 0;
+		$user->extra_quota_consumed = 0;
+		$user->consumed_current_month_quota = 0;
+		$user->next_date_update = null;
+		$user->is_active = false;
+		$user->is_monthly = false;
+
+		return $user;
+	}
 }

imagify.php

@@ -3,7 +3,7 @@
  * Plugin Name: Imagify
  * Plugin URI: https://wordpress.org/plugins/imagify/
  * Description: Dramatically reduce image file sizes without losing quality, make your website load faster, boost your SEO and save money on your bandwidth using Imagify, the new most advanced image optimization tool.
- * Version: 2.2.3
+ * Version: 2.2.3.1
  * Requires at least: 5.3
  * Requires PHP: 7.3
  * Author: Imagify Image Optimizer – Optimize Images & Convert WebP & Avif

inc/classes/class-imagify.php

@@ -86,6 +86,10 @@ protected function __construct() {
 	 * @return object
 	 */
 	public function get_user() {
+		if ( empty( $this->api_key ) ) {
+			return new WP_Error( 'api_key_missing', __( 'API key required.', 'imagify' ) );
+		}
+
 		global $wp_current_filter;
 
 		if ( isset( static::$user ) ) {

readme.txt

@@ -2,7 +2,7 @@
 Contributors: wp_rocket, imagify
 Tags: optimize images, image optimization, compress images, convert webp, convert AVIF
 Tested up to: 6.6
-Stable tag: 2.2.3
+Stable tag: 2.2.3.1
 Requires PHP: 7.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -266,6 +266,9 @@ You can report any security bugs found in the source code of the site-reviews pl
 4. Other Media Page
 
 == Changelog ==
+= 2.2.3.1 =
+- Enhancement: Decrease the amount of requests to imagify servers.
+
 = 2.2.3 =
 - Enhancement: Cache the calls to the license API to avoid sending unnecessary requests
 - 3rd-party compatibility: Update priority on `template_redirect` to improve compatibility with WP Rocket’s LazyLoad