124 lines
4.0 KiB
JavaScript
124 lines
4.0 KiB
JavaScript
/**
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* IndexedDB Wrapper for Offline Contabilidad
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* Stores pending transactions when offline
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*/
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const OfflineDB = {
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dbName: 'ContabilidadOfflineDB',
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version: 1,
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storeName: 'pendingTransactions',
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/**
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* Initialize the database
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*/
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async init() {
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return new Promise((resolve, reject) => {
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const request = indexedDB.open(this.dbName, this.version);
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request.onerror = () => reject(request.error);
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request.onsuccess = () => resolve(request.result);
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request.onupgradeneeded = (event) => {
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const db = event.target.result;
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// Create object store if it doesn't exist
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if (!db.objectStoreNames.contains(this.storeName)) {
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const objectStore = db.createObjectStore(this.storeName, {
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keyPath: 'id',
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autoIncrement: true
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});
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objectStore.createIndex('timestamp', 'timestamp', { unique: false });
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objectStore.createIndex('reporteId', 'reporteId', { unique: false });
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}
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};
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});
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},
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/**
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* Add a pending transaction to the queue
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*/
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async addPending(reporteId, movimientos) {
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const db = await this.init();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction([this.storeName], 'readwrite');
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const store = transaction.objectStore(this.storeName);
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const record = {
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reporteId: reporteId,
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movimientos: movimientos,
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timestamp: new Date().toISOString()
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};
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const request = store.add(record);
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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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/**
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* Get all pending transactions
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*/
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async getAllPending() {
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const db = await this.init();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction([this.storeName], 'readonly');
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const store = transaction.objectStore(this.storeName);
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const request = store.getAll();
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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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/**
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* Remove a specific pending transaction by id
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*/
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async removePending(id) {
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const db = await this.init();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction([this.storeName], 'readwrite');
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const store = transaction.objectStore(this.storeName);
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const request = store.delete(id);
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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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/**
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* Clear all pending transactions
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*/
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async clearPending() {
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const db = await this.init();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction([this.storeName], 'readwrite');
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const store = transaction.objectStore(this.storeName);
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const request = store.clear();
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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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/**
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* Get count of pending transactions
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*/
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async getPendingCount() {
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const db = await this.init();
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return new Promise((resolve, reject) => {
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const transaction = db.transaction([this.storeName], 'readonly');
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const store = transaction.objectStore(this.storeName);
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const request = store.count();
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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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};
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