115 lines
2.4 KiB
JavaScript
115 lines
2.4 KiB
JavaScript
import logger from '/imports/startup/client/logger';
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const MIME_TYPES_ALLOWED = ['image/png', 'image/jpeg', 'image/webp'];
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const MAX_FILE_SIZE = 5000; // KBytes
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const withObjectStore = ({
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onError,
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onSuccess,
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}) => {
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const request = window.indexedDB.open('BBB', 1);
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request.onerror = onError;
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request.onupgradeneeded = (e) => {
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const db = e.target.result;
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db.createObjectStore('CustomBackgrounds', { keyPath: 'uniqueId' });
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};
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request.onsuccess = (e) => {
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const db = e.target.result;
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const transaction = db.transaction(['CustomBackgrounds'], 'readwrite');
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const objectStore = transaction.objectStore('CustomBackgrounds');
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onSuccess(objectStore);
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};
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};
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const genericErrorHandlerBuilder = (
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code,
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message,
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callback,
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) => (e) => {
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logger.warn({
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logCode: code,
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extraInfo: {
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errorName: e.name,
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errorMessage: e.message,
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},
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}, `${message}: ${e.message}`);
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if (callback) callback(e);
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};
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const load = (onError, onSuccess) => {
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withObjectStore({
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onError: genericErrorHandlerBuilder(
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'IndexedDB_access',
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'Error on load custom backgrounds from IndexedDB',
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onError,
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),
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onSuccess: (objectStore) => {
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const backgrounds = [];
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objectStore.openCursor().onsuccess = (e) => {
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const cursor = e.target.result;
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if (cursor) {
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backgrounds.push(cursor.value);
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cursor.continue();
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} else {
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onSuccess(backgrounds);
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}
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};
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},
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});
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};
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const save = (background, onError) => {
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withObjectStore({
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onError: genericErrorHandlerBuilder(
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'IndexedDB_access',
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'Error on save custom background to IndexedDB',
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onError,
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),
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onSuccess: (objectStore) => {
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objectStore.add(background);
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},
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});
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};
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const del = (key, onError) => {
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withObjectStore({
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onError: genericErrorHandlerBuilder(
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'IndexedDB_access',
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'Error on delete custom background from IndexedDB',
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onError,
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),
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onSuccess: (objectStore) => {
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objectStore.delete(key);
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},
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});
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};
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const update = (background) => {
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withObjectStore({
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onError: genericErrorHandlerBuilder(
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'IndexedDB_access',
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'Error on update custom background in IndexedDB',
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'Something wrong while updating custom background',
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),
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onSuccess: (objectStore) => {
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objectStore.put(background);
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},
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});
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};
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export default {
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load,
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save,
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del,
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update,
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MIME_TYPES_ALLOWED,
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MAX_FILE_SIZE,
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};
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