feat: add memory cache to boost performance (#2620)

* feat: add memory cache to boost performance

* fix: tests

* fix: logging

* fix: missing commented stuff

server/src/integrations/memory-storage/serializers/default.serializer.ts

@@ -0,0 +1,16 @@
+import { MemoryStorageSerializer } from 'src/integrations/memory-storage/serializers/interfaces/memory-storage-serializer.interface';
+
+export class MemoryStorageDefaultSerializer<T>
+  implements MemoryStorageSerializer<T>
+{
+  serialize(item: T): string {
+    if (typeof item !== 'string') {
+      throw new Error('DefaultSerializer can only serialize strings');
+    }
+    return item;
+  }
+
+  deserialize(data: string): T {
+    return data as unknown as T;
+  }
+}

server/src/integrations/memory-storage/serializers/interfaces/memory-storage-serializer.interface.ts

@@ -0,0 +1,4 @@
+export interface MemoryStorageSerializer<T> {
+  serialize(item: T): string;
+  deserialize(data: string): T;
+}

server/src/integrations/memory-storage/serializers/json.serializer.ts

@@ -0,0 +1,13 @@
+import { MemoryStorageSerializer } from 'src/integrations/memory-storage/serializers/interfaces/memory-storage-serializer.interface';
+
+export class MemoryStorageJsonSerializer<T>
+  implements MemoryStorageSerializer<T>
+{
+  serialize(item: T): string {
+    return JSON.stringify(item);
+  }
+
+  deserialize(data: string): T {
+    return JSON.parse(data) as T;
+  }
+}