mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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425 lines
15 KiB
JavaScript
425 lines
15 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const EXPORTED_SYMBOLS = ['ContactDB'];
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let DEBUG = 0;
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/* static functions */
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if (DEBUG)
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debug = function (s) { dump("-*- ContactDB component: " + s + "\n"); }
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else
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debug = function (s) {}
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const Cu = Components.utils;
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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Cu.import("resource://gre/modules/Services.jsm");
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const DB_NAME = "contacts";
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const DB_VERSION = 1;
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const STORE_NAME = "contacts";
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function ContactDB(aGlobal) {
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debug("Constructor");
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this._global = aGlobal;
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}
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ContactDB.prototype = {
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// Cache the DB
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db: null,
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close: function close() {
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debug("close");
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if (this.db)
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this.db.close();
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},
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/**
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* Prepare the database. This may include opening the database and upgrading
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* it to the latest schema version.
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*
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* @return (via callback) a database ready for use.
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*/
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ensureDB: function ensureDB(callback, failureCb) {
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if (this.db) {
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debug("ensureDB: already have a database, returning early.");
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callback(this.db);
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return;
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}
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let self = this;
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debug("try to open database:" + DB_NAME + " " + DB_VERSION);
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let request = this._global.mozIndexedDB.open(DB_NAME, DB_VERSION);
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request.onsuccess = function (event) {
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debug("Opened database:", DB_NAME, DB_VERSION);
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self.db = event.target.result;
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self.db.onversionchange = function(event) {
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debug("WARNING: DB modified from a different window.");
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}
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callback(self.db);
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};
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request.onupgradeneeded = function (event) {
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debug("Database needs upgrade:" + DB_NAME + event.oldVersion + event.newVersion);
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debug("Correct new database version:" + event.newVersion == DB_VERSION);
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let db = event.target.result;
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switch (event.oldVersion) {
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case 0:
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debug("New database");
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self.createSchema(db);
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break;
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default:
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debug("No idea what to do with old database version:" + event.oldVersion);
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failureCb(event.target.errorMessage);
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break;
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}
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};
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request.onerror = function (event) {
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debug("Failed to open database:", DB_NAME);
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failureCb(event.target.errorMessage);
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};
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request.onblocked = function (event) {
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debug("Opening database request is blocked.");
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};
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},
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/**
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* Create the initial database schema.
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*
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* The schema of records stored is as follows:
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*
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* {id: "...", // UUID
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* published: Date(...), // First published date.
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* updated: Date(...), // Last updated date.
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* properties: {...} // Object holding the ContactProperties
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* }
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*/
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createSchema: function createSchema(db) {
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let objectStore = db.createObjectStore(STORE_NAME, {keyPath: "id"});
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// Metadata indexes
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objectStore.createIndex("published", "published", { unique: false });
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objectStore.createIndex("updated", "updated", { unique: false });
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// Properties indexes
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objectStore.createIndex("nickname", "properties.nickname", { unique: false, multiEntry: true });
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objectStore.createIndex("name", "properties.name", { unique: false, multiEntry: true });
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objectStore.createIndex("familyName", "properties.familyName", { unique: false, multiEntry: true });
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objectStore.createIndex("givenName", "properties.givenName", { unique: false, multiEntry: true });
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objectStore.createIndex("tel", "properties.tel", { unique: false, multiEntry: true });
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objectStore.createIndex("email", "properties.email", { unique: false, multiEntry: true });
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objectStore.createIndex("note", "properties.note", { unique: false, multiEntry: true });
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objectStore.createIndex("nicknameLowerCase", "search.nickname", { unique: false, multiEntry: true });
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objectStore.createIndex("nameLowerCase", "search.name", { unique: false, multiEntry: true });
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objectStore.createIndex("familyNameLowerCase", "search.familyName", { unique: false, multiEntry: true });
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objectStore.createIndex("givenNameLowerCase", "search.givenName", { unique: false, multiEntry: true });
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objectStore.createIndex("telLowerCase", "search.tel", { unique: false, multiEntry: true });
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objectStore.createIndex("emailLowerCase", "search.email", { unique: false, multiEntry: true });
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objectStore.createIndex("noteLowerCase", "search.note", { unique: false, multiEntry: true });
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debug("Created object stores and indexes");
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},
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/**
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* Start a new transaction.
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*
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* @param txn_type
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* Type of transaction (e.g. "readwrite")
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* @param callback
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* Function to call when the transaction is available. It will
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* be invoked with the transaction and the 'contacts' object store.
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* @param successCb [optional]
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* Success callback to call on a successful transaction commit.
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* @param failureCb [optional]
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* Error callback to call when an error is encountered.
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*/
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newTxn: function newTxn(txn_type, callback, successCb, failureCb) {
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this.ensureDB(function (db) {
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debug("Starting new transaction" + txn_type);
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let txn = db.transaction(STORE_NAME, txn_type);
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debug("Retrieving object store", STORE_NAME);
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let store = txn.objectStore(STORE_NAME);
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txn.oncomplete = function (event) {
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debug("Transaction complete. Returning to callback.");
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successCb(txn.result);
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};
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txn.onabort = function (event) {
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debug("Caught error on transaction" + event.target.errorCode);
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switch(event.target.errorCode) {
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case Ci.nsIIDBDatabaseException.ABORT_ERR:
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case Ci.nsIIDBDatabaseException.CONSTRAINT_ERR:
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case Ci.nsIIDBDatabaseException.DATA_ERR:
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case Ci.nsIIDBDatabaseException.TRANSIENT_ERR:
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case Ci.nsIIDBDatabaseException.NOT_ALLOWED_ERR:
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case Ci.nsIIDBDatabaseException.NOT_FOUND_ERR:
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case Ci.nsIIDBDatabaseException.QUOTA_ERR:
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case Ci.nsIIDBDatabaseException.READ_ONLY_ERR:
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case Ci.nsIIDBDatabaseException.TIMEOUT_ERR:
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case Ci.nsIIDBDatabaseException.TRANSACTION_INACTIVE_ERR:
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case Ci.nsIIDBDatabaseException.VERSION_ERR:
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case Ci.nsIIDBDatabaseException.UNKNOWN_ERR:
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failureCb("UnknownError");
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break;
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default:
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debug("Unknown errorCode", event.target.errorCode);
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failureCb("UnknownError");
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break;
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}
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};
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callback(txn, store);
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}, failureCb);
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},
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makeImport: function makeImport(aContact) {
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let contact = {};
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contact.properties = {
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name: [],
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honorificPrefix: [],
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givenName: [],
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additionalName: [],
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familyName: [],
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honorificSuffix: [],
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nickname: [],
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email: [],
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photo: [],
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url: [],
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category: [],
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adr: [],
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tel: [],
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org: [],
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bday: null,
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note: [],
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impp: [],
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anniversary: null,
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sex: null,
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genderIdentity: null
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};
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contact.search = {
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name: [],
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honorificPrefix: [],
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givenName: [],
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additionalName: [],
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familyName: [],
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honorificSuffix: [],
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nickname: [],
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email: [],
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category: [],
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tel: [],
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org: [],
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note: [],
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impp: []
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};
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for (let field in aContact.properties) {
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contact.properties[field] = aContact.properties[field];
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// Add search fields
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if (aContact.properties[field] && contact.search[field]) {
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for (let i = 0; i <= aContact.properties[field].length; i++) {
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if (aContact.properties[field][i]) {
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if (field == "tel") {
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// Special case telephone number.
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// "+1-234-567" should also be found with 1234, 234-56, 23456
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// Chop off the first characters
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let number = aContact.properties[field][i];
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for(let i = 0; i < number.length; i++) {
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contact.search[field].push(number.substring(i, number.length));
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}
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// Store +1-234-567 as ["1234567", "234567"...]
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let digits = number.match(/\d/g);
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if (digits && number.length != digits.length) {
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digits = digits.join('');
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for(let i = 0; i < digits.length; i++) {
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contact.search[field].push(digits.substring(i, digits.length));
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}
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}
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debug("lookup: " + JSON.stringify(contact.search[field]));
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} else {
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contact.search[field].push(aContact.properties[field][i].toLowerCase());
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}
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}
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}
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}
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}
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debug("contact:" + JSON.stringify(contact));
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contact.updated = aContact.updated;
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contact.published = aContact.published;
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contact.id = aContact.id;
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return contact;
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},
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makeExport: function makeExport(aRecord) {
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let contact = {};
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contact.properties = aRecord.properties;
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for (let field in aRecord.properties)
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contact.properties[field] = aRecord.properties[field];
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contact.updated = aRecord.updated;
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contact.published = aRecord.published;
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contact.id = aRecord.id;
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return contact;
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},
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updateRecordMetadata: function updateRecordMetadata(record) {
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if (!record.id) {
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Cu.reportError("Contact without ID");
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}
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if (!record.published) {
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record.published = new Date();
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}
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record.updated = new Date();
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},
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saveContact: function saveContact(aContact, successCb, errorCb) {
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let contact = this.makeImport(aContact);
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this.newTxn("readwrite", function (txn, store) {
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debug("Going to update" + JSON.stringify(contact));
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// Look up the existing record and compare the update timestamp.
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// If no record exists, just add the new entry.
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let newRequest = store.get(contact.id);
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newRequest.onsuccess = function (event) {
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if (!event.target.result) {
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debug("new record!")
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this.updateRecordMetadata(contact);
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store.put(contact);
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} else {
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debug("old record!")
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if (new Date(typeof contact.updated === "undefined" ? 0 : contact.updated) < new Date(event.target.result.updated)) {
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debug("rev check fail!");
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txn.abort();
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return;
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} else {
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debug("rev check OK");
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contact.published = event.target.result.published;
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contact.updated = new Date();
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store.put(contact);
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}
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}
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}.bind(this);
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}.bind(this), successCb, errorCb);
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},
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removeContact: function removeContact(aId, aSuccessCb, aErrorCb) {
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this.newTxn("readwrite", function (txn, store) {
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debug("Going to delete" + aId);
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store.delete(aId);
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}, aSuccessCb, aErrorCb);
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},
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clear: function clear(aSuccessCb, aErrorCb) {
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this.newTxn("readwrite", function (txn, store) {
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debug("Going to clear all!");
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store.clear();
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}, aSuccessCb, aErrorCb);
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},
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/**
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* @param successCb
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* Callback function to invoke with result array.
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* @param failureCb [optional]
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* Callback function to invoke when there was an error.
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* @param options [optional]
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* Object specifying search options. Possible attributes:
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* - filterBy
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* - filterOp
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* - filterValue
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* - count
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* Possibly supported in the future:
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* - fields
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* - sortBy
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* - sortOrder
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* - startIndex
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*/
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find: function find(aSuccessCb, aFailureCb, aOptions) {
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debug("ContactDB:find val:" + aOptions.filterValue + " by: " + aOptions.filterBy + " op: " + aOptions.filterOp + "\n");
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let self = this;
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this.newTxn("readonly", function (txn, store) {
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if (aOptions && (aOptions.filterOp == "equals" || aOptions.filterOp == "contains")) {
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self._findWithIndex(txn, store, aOptions);
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} else {
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self._findAll(txn, store, aOptions);
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}
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}, aSuccessCb, aFailureCb);
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},
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_findWithIndex: function _findWithIndex(txn, store, options) {
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debug("_findWithIndex: " + options.filterValue +" " + options.filterOp + " " + options.filterBy + " ");
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let fields = options.filterBy;
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for (let key in fields) {
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debug("key: " + fields[key]);
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if (!store.indexNames.contains(fields[key]) && !fields[key] == "id") {
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debug("Key not valid!" + fields[key] + ", " + store.indexNames);
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txn.abort();
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return;
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}
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}
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// lookup for all keys
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if (options.filterBy.length == 0) {
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debug("search in all fields!" + JSON.stringify(store.indexNames));
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for(let myIndex = 0; myIndex < store.indexNames.length; myIndex++) {
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fields = Array.concat(fields, store.indexNames[myIndex])
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}
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}
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// Sorting functions takes care of limit if set.
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let limit = options.sortBy === 'undefined' ? options.filterLimit : null;
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let filter_keys = fields.slice();
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for (let key = filter_keys.shift(); key; key = filter_keys.shift()) {
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let request;
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if (key == "id") {
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// store.get would return an object and not an array
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request = store.getAll(options.filterValue);
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} else if (options.filterOp == "equals") {
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debug("Getting index: " + key);
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// case sensitive
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let index = store.index(key);
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request = index.getAll(options.filterValue, limit);
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} else {
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// not case sensitive
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let tmp = options.filterValue.toLowerCase();
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let range = this._global.IDBKeyRange.bound(tmp, tmp + "\uFFFF");
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let index = store.index(key + "LowerCase");
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request = index.getAll(range, limit);
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}
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if (!txn.result)
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txn.result = {};
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request.onsuccess = function (event) {
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debug("Request successful. Record count:" + event.target.result.length);
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for (let i in event.target.result)
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txn.result[event.target.result[i].id] = this.makeExport(event.target.result[i]);
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}.bind(this);
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}
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},
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_findAll: function _findAll(txn, store, options) {
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debug("ContactDB:_findAll: " + JSON.stringify(options));
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if (!txn.result)
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txn.result = {};
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// Sorting functions takes care of limit if set.
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let limit = options.sortBy === 'undefined' ? options.filterLimit : null;
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store.getAll(null, limit).onsuccess = function (event) {
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debug("Request successful. Record count:", event.target.result.length);
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for (let i in event.target.result)
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txn.result[event.target.result[i].id] = this.makeExport(event.target.result[i]);
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}.bind(this);
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}
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};
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