codebase overhaul (#697)

1 files changed, 101 insertions, 0 deletions

diff --git a/apps/web/src/services/storage/indexeddb-adapter.ts b/apps/web/src/services/storage/indexeddb-adapter.ts
new file mode 100644
index 00000000..cc4d03a0
--- /dev/null
+++ b/apps/web/src/services/storage/indexeddb-adapter.ts
@@ -0,0 +1,101 @@
+import type { StorageAdapter } from "./types";
+
+export class IndexedDBAdapter<T> implements StorageAdapter<T> {
+	private dbName: string;
+	private storeName: string;
+	private version: number;
+
+	constructor(dbName: string, storeName: string, version = 1) {
+		this.dbName = dbName;
+		this.storeName = storeName;
+		this.version = version;
+	}
+
+	private async getDB(): Promise<IDBDatabase> {
+		return new Promise((resolve, reject) => {
+			const request = indexedDB.open(this.dbName, this.version);
+
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve(request.result);
+
+			request.onupgradeneeded = (event) => {
+				const db = (event.target as IDBOpenDBRequest).result;
+				if (!db.objectStoreNames.contains(this.storeName)) {
+					db.createObjectStore(this.storeName, { keyPath: "id" });
+				}
+			};
+		});
+	}
+
+	async get(key: string): Promise<T | null> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readonly");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.get(key);
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve(request.result || null);
+		});
+	}
+
+	async set(key: string, value: T): Promise<void> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readwrite");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.put({ id: key, ...value });
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve();
+		});
+	}
+
+	async remove(key: string): Promise<void> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readwrite");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.delete(key);
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve();
+		});
+	}
+
+	async list(): Promise<string[]> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readonly");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.getAllKeys();
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve(request.result as string[]);
+		});
+	}
+
+	async getAll(): Promise<T[]> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readonly");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.getAll();
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve(request.result || []);
+		});
+	}
+
+	async clear(): Promise<void> {
+		const db = await this.getDB();
+		const transaction = db.transaction([this.storeName], "readwrite");
+		const store = transaction.objectStore(this.storeName);
+
+		return new Promise((resolve, reject) => {
+			const request = store.clear();
+			request.onerror = () => reject(request.error);
+			request.onsuccess = () => resolve();
+		});
+	}
+}