Use gql for "mangas" IV - source mangas popular/latest

src/lib/requests/CustomCache.ts

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+// eslint-disable-next-line import/prefer-default-export
+export class CustomCache {
+    private keyToResponseMap = new Map<string, unknown>();
+
+    private keyToFetchTimestampMap = new Map<string, number>();
+
+    public readonly createKeyFn = (endpoint: string, data: unknown): string => `${endpoint}_${JSON.stringify(data)}`;
+
+    constructor(createKeyFn?: (endpoint: string, data: unknown) => string) {
+        this.createKeyFn = createKeyFn ?? this.createKeyFn;
+    }
+
+    public getKeyFor(key: string, data: unknown): string {
+        return this.createKeyFn(key, data);
+    }
+
+    public cacheResponse(endpoint: string, data: unknown, response: unknown) {
+        const createdKey = this.getKeyFor(endpoint, data);
+        this.keyToFetchTimestampMap.set(createdKey, Date.now());
+        this.keyToResponseMap.set(createdKey, response);
+    }
+
+    public getFetchTimestampFor(endpoint: string, data: unknown): number | undefined {
+        const key = this.getKeyFor(endpoint, data);
+        return this.keyToFetchTimestampMap.get(key);
+    }
+
+    public getResponseFor<Response = any>(endpoint: string, data: unknown): Response | undefined {
+        const key = this.getKeyFor(endpoint, data);
+        return this.keyToResponseMap.get(key) as Response;
+    }
+}