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83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
const { isObject, isString } = require('lodash');
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const ITEMS_STORE_NAME = 'items';
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const LAST_PROCESSED_INDEX_KEY = 'attachmentMigration_lastProcessedIndex';
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const IS_MIGRATION_COMPLETE_KEY = 'attachmentMigration_isComplete';
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// Public API
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exports.READ_RECEIPT_CONFIGURATION_SYNC = 'read-receipt-configuration-sync';
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exports.getAttachmentMigrationLastProcessedIndex = connection =>
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exports._getItem(connection, LAST_PROCESSED_INDEX_KEY);
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exports.setAttachmentMigrationLastProcessedIndex = (connection, value) =>
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exports._setItem(connection, LAST_PROCESSED_INDEX_KEY, value);
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exports.deleteAttachmentMigrationLastProcessedIndex = connection =>
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exports._deleteItem(connection, LAST_PROCESSED_INDEX_KEY);
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exports.isAttachmentMigrationComplete = async connection =>
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Boolean(await exports._getItem(connection, IS_MIGRATION_COMPLETE_KEY));
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exports.markAttachmentMigrationComplete = connection =>
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exports._setItem(connection, IS_MIGRATION_COMPLETE_KEY, true);
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// Private API
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exports._getItem = (connection, key) => {
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if (!isObject(connection)) {
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throw new TypeError("'connection' is required");
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}
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if (!isString(key)) {
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throw new TypeError("'key' must be a string");
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}
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const transaction = connection.transaction(ITEMS_STORE_NAME, 'readonly');
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const itemsStore = transaction.objectStore(ITEMS_STORE_NAME);
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const request = itemsStore.get(key);
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return new Promise((resolve, reject) => {
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request.onerror = event => reject(event.target.error);
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request.onsuccess = event =>
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resolve(event.target.result ? event.target.result.value : null);
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});
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};
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exports._setItem = (connection, key, value) => {
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if (!isObject(connection)) {
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throw new TypeError("'connection' is required");
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}
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if (!isString(key)) {
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throw new TypeError("'key' must be a string");
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}
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const transaction = connection.transaction(ITEMS_STORE_NAME, 'readwrite');
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const itemsStore = transaction.objectStore(ITEMS_STORE_NAME);
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const request = itemsStore.put({ id: key, value }, key);
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return new Promise((resolve, reject) => {
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request.onerror = event => reject(event.target.error);
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request.onsuccess = () => resolve();
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});
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};
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exports._deleteItem = (connection, key) => {
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if (!isObject(connection)) {
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throw new TypeError("'connection' is required");
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}
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if (!isString(key)) {
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throw new TypeError("'key' must be a string");
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}
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const transaction = connection.transaction(ITEMS_STORE_NAME, 'readwrite');
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const itemsStore = transaction.objectStore(ITEMS_STORE_NAME);
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const request = itemsStore.delete(key);
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return new Promise((resolve, reject) => {
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request.onerror = event => reject(event.target.error);
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request.onsuccess = () => resolve();
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});
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};
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