45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
const DB_NAME = 'GLTFStorage';
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const STORE_NAME = 'models';
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const DB_VERSION = 1;
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export function initializeDB(): Promise<IDBDatabase> {
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return new Promise((resolve, reject) => {
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const request = indexedDB.open(DB_NAME, DB_VERSION);
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request.onupgradeneeded = () => {
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const db = request.result;
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if (!db.objectStoreNames.contains(STORE_NAME)) {
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db.createObjectStore(STORE_NAME);
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}
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};
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request.onsuccess = () => resolve(request.result);
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request.onerror = () => reject(request.error);
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});
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}
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export async function storeGLTF(key: string, file: Blob): Promise<void> {
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const db = await initializeDB();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction(STORE_NAME, 'readwrite');
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const store = transaction.objectStore(STORE_NAME);
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const request = store.put(file, key);
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request.onsuccess = () => resolve();
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request.onerror = () => reject(request.error);
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});
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}
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export async function retrieveGLTF(key: string): Promise<Blob | undefined> {
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const db = await initializeDB();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction(STORE_NAME, 'readonly');
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const store = transaction.objectStore(STORE_NAME);
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const request = store.get(key);
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request.onsuccess = () => resolve(request.result as Blob | undefined);
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request.onerror = () => reject(request.error);
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});
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} |