Rename folder "modules" to "features"

src/features/metadata/Metadata.utils.ts

@@ -0,0 +1,45 @@
+/*
+ * 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/.
+ */
+
+import { APP_METADATA_KEY_PREFIX, GLOBAL_METADATA_KEYS } from '@/features/metadata/Metadata.constants.ts';
+import { AppMetadataKeys, Metadata } from '@/features/metadata/Metadata.types.ts';
+import { getActiveDevice } from '@/features/device/services/Device.ts';
+
+export const extractOriginalKey = (key: string) => key.split('_').slice(-1)[0];
+
+/**
+ * Returns the key with the provided prefixes.
+ *
+ * In case the key is not a global key ({@link GLOBAL_METADATA_KEYS}), the active device name ({@link getActiveDevice})
+ * will be added as the second prefix.
+ *
+ * **Important**
+ *
+ * "default" (case-insensitive) is a reserved value and will be handled as if there is no prefix to add
+ *
+ * The format is <prefixes>\_<key>
+ *
+ *     e.g.: <base_prefix>\_[device_name]\_[optional_prefix1]\_[optional_prefix2]\_<key>
+ */
+export const getMetadataKey = (key: string, prefixes: string[] = [], appPrefix: string = APP_METADATA_KEY_PREFIX) => {
+    const isGlobalMetadataKey = GLOBAL_METADATA_KEYS.includes(key as AppMetadataKeys);
+    const addActiveDevicePrefix = !isGlobalMetadataKey;
+
+    const finalPrefix = [appPrefix, ...(addActiveDevicePrefix ? [getActiveDevice()] : []), ...prefixes].filter(
+        (prefix) => prefix.toLowerCase() !== 'default',
+    );
+
+    return `${finalPrefix.join('_')}_${key}`;
+};
+
+export const doesMetadataKeyExistIn = (
+    meta: Metadata | undefined,
+    key: string,
+    prefixes?: string[],
+    appPrefix?: string,
+): boolean => Object.prototype.hasOwnProperty.call(meta ?? {}, getMetadataKey(key, prefixes, appPrefix));