Add vehicle caching methods to XLVask: interface and implementation updates for handling vehicle cache.

services/nginx/app/modules/xlvask/helpers/xlvask_cache.php

@@ -132,4 +132,90 @@ class xlvask_cache implements xlvask_cache_i
         }
         throw new Exception("Customer with number $customer_number is not cached.");
     }
+
+    /**
+     * @inheritDoc
+     */
+    public function getVehicleCache(string $registration): xlvask_vehicle
+    {
+        if (self::isVehicleCached($registration)) {
+            $vehicle_data = (object)json_decode(redis->get('xlvask_vehicle_' . $registration), true);
+            $tmp = new xlvask_vehicle();
+            // Assign the properties shared by the xlvask_vehicle class.
+            foreach ( $vehicle_data as $key => $value ) {
+                if (property_exists($tmp, $key)) {
+                    $tmp->{$key} = $value;
+                }
+            }
+            return $tmp; // Return the xlvask_vehicle object
+        }
+        throw new Exception("Vehicle with registration $registration is not cached.");
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isVehicleCached(string $registration): bool
+    {
+        return (redis->exists('xlvask_vehicle_' . $registration));
+    }
+
+    /**
+     * @inheritDoc
+     * @throws Exception If there is an error encoding the vehicle data to JSON.
+     * @see xlvask_vehicle
+     */
+    public function setVehicleCache(string $registration, xlvask_vehicle $vehicle): void
+    {
+        $vehicle_data = json_encode($vehicle, JSON_THROW_ON_ERROR);
+        redis->set('xlvask_vehicle_' . $registration, $vehicle_data);
+        redis->expire('xlvask_vehicle_' . $registration, 3600); // Set cache expiration to 1 hour
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function clearVehicleCache(string $registration): void
+    {
+        if (self::isVehicleCached($registration)) {
+            redis->delete('xlvask_vehicle_' . $registration);
+        } else {
+            throw new Exception("Vehicle with registration $registration is not cached.");
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function clearAllVehicleCache(): void
+    {
+        $keys = redis->get_keys('xlvask_vehicle_*');
+        redis->clear_keys($keys);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getAllCachedVehicles(): array
+    {
+        $keys = redis->get_keys('xlvask_vehicle_*');
+        $vehicles = [];
+        foreach ( $keys as $key ) {
+            $vehicle_data = redis->get($key);
+            if ($vehicle_data) {
+                $vehicle_data = json_decode($vehicle_data, true);
+                $tmp = new xlvask_vehicle();
+                // Assign the properties shared by the xlvask_vehicle class.
+                foreach ( $vehicle_data as $property => $value ) {
+                    if (property_exists($tmp, $property)) {
+                        $tmp->{$property} = $value;
+                    }
+                }
+                $vehicles[] = $tmp; // Add the xlvask_vehicle object to the array
+            } else {
+                throw new Exception("Failed to retrieve vehicle data for key: $key");
+            }
+        }
+        return $vehicles;
+    }
 }

services/nginx/app/modules/xlvask/interfaces/xlvask_cache_i.php

@@ -4,6 +4,7 @@ namespace xlvask\interfaces;
 
 use Exception;
 use helpers\xlvask_customer;
+use helpers\xlvask_vehicle;
 
 interface xlvask_cache_i
 {
@@ -63,4 +64,46 @@ interface xlvask_cache_i
      * @example [xlvask_customer, xlvask_customer, ...]
      */
     public function getCachedCustomersByCustomerNumbers(array $customer_numbers, bool $allow_missing = false): array;
+
+    /**
+     * Check if a vehicle is cached by its registration number.
+     * @param string $registration The vehicle registration number to check.
+     * @return bool True if the vehicle is cached, false otherwise.
+     */
+    public function isVehicleCached(string $registration): bool;
+
+    /**
+     * Get the cached vehicle object by its registration number.
+     * @param string $registration The vehicle registration number to retrieve.
+     * @return xlvask_vehicle The cached vehicle object.
+     * @throws Exception If the vehicle is not cached.
+     */
+    public function getVehicleCache(string $registration): xlvask_vehicle;
+
+    /**
+     * Set the cache for a specific vehicle.
+     * @param string $registration The vehicle registration number to cache.
+     * @param xlvask_vehicle $vehicle The vehicle object to cache.
+     */
+    public function setVehicleCache(string $registration, xlvask_vehicle $vehicle): void;
+
+    /**
+     * Clear the cache for a specific vehicle.
+     * @param string $registration The vehicle registration number to clear the cache for.
+     */
+    public function clearVehicleCache(string $registration): void;
+
+    /**
+     * Clear all cached vehicles.
+     * This will remove all vehicle caches, so use with caution.
+     */
+    public function clearAllVehicleCache(): void;
+
+    /**
+     * Get all cached vehicles.
+     * @return array<xlvask_vehicle> An array of all cached vehicle objects.
+     * @example [xlvask_vehicle, xlvask_vehicle, ...]
+     * @see xlvask_vehicle
+     */
+    public function getAllCachedVehicles(): array;
 }