549 lines
14 KiB
JavaScript
549 lines
14 KiB
JavaScript
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/**
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* @ngdoc module
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* @name ngSQLite
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* @description
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*
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* # ngSQLite
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*
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* Angular SQLite
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* Project: https://github.com/reduardo7/angular-sqlite
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* Copyright (c) 2016 Angular SQLite Browser | Eduardo Daniel Cuomo | eduardo.cuomo.ar@gmail.com
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*
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* By: Edueado Daniel Cuomo.
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*
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* The `ngSQLite` module provides routing and deeplinking services and directives for angular apps.
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*
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* <div doc-module-components="ngSQLite"></div>
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*/
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/*jslint browser: true, regexp: true, white: true, evil: true */
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/*global openDatabase */
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angular.module('ngSQLite', []).factory('$SQLite', function ($q) {
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var _db,
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_db_initialited = false,
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_db_init_count = 0,
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_initDeferred = $q.defer(),
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_initFns = [];
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function prepareVar(v, toStr, clon) {
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if (v instanceof Date) {
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v = v.toISOString();
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} else if (v === true) {
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v = 1;
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} else if (v === false) {
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v = 0;
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}
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if (toStr) {
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if (v === undefined) {
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v = '';
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} else if (v === null) {
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return 'NULL';
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} else {
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v = v.toString().replace(/'/g, "\\'");
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}
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if (clon) {
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v = "'" + v + "'";
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}
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}
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return v;
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}
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function prepareParams(params) {
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if (!params || (params.length === 0)) {
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return params;
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}
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var p2 = [], i;
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for (i = 0; i < params.length; i++) {
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p2.push(prepareVar(params[i]));
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}
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return p2;
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}
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function insert_replace(action, table, data) {
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var deferred = $q.defer();
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_db.transaction(function (tx) {
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var $this = this,
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i, j, sql, d, v, c,
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datas = (data instanceof [].constructor) ? data : [data];
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for (j = 0; j < datas.length; j++) {
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// Prepare
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data = datas[j];
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sql = action + ' INTO ' + table + ' (';
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d = [];
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v = '';
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c = '';
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// Build
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for (i in data) {
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if (data.hasOwnProperty(i)) {
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if (c) {
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c += ',';
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v += ',';
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}
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c += i;
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v += '?';
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d.push(prepareVar(data[i]));
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}
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}
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sql += c + ') VALUES (' + v + ')';
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console.log('$SQLite', 'insert_replace', sql, d);
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// Execute
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tx.executeSql(sql, d,
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function (tx, results) { deferred.resolve(results.insertId, results.rowsAffected); },
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function (tx, error) { console.error(error); deferred.reject(error); }
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);
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}
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});
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return deferred.promise;
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}
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return {
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dbConfig: function (dbCfg) {
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console.log('$SQLite', 'dbConfig', arguments);
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if (!dbCfg) dbCfg = {};
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if (!dbCfg.name) dbCfg.name = 'SQLiteDB';
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if (!dbCfg.description) dbCfg.description = dbCfg.name;
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if (!dbCfg.size) dbCfg.size = '-1';
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if (!dbCfg.version) dbCfg.version = '1.0';
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_db = openDatabase(dbCfg.name, dbCfg.version, dbCfg.description, ((dbCfg.size || 10) * 1024 * 1024))
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},
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/**
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* Create table.
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*
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* @param {String} table Table name.
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* @param {Object} definition Table definition.
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* {
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* id : { type: 'INTEGER', primary : true, autoincrement: true, unique: true } // Equals to -> id : { type: 'KEY' } || id : 'key'
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* , name : { type: 'TEXT', null: false }
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* , price : { type: 'REAL' | 'DECIMAL' | 'FLOAT', default: 0 }
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* , age : { type: 'INTEGER' | 'INT' }
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* , description : { type: 'BLOB' | 'LONGTEXT', null: true }
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* , ref1_id : { type: 'INTEGER', foreign: { table: 'tableX', key: 'id' } }
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* , ref2_id : { type: 'INTEGER', foreign: 'tableX.id' }
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* }
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* Operations:
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* {Boolean} __dropTable (Default: FALSE) Drop table if exists?
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* @param {Array[Object]} initData (Default: NONE) Rows to add if table not exists.
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*/
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createTable: function (table, definition, initData) {
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// CREATE TABLE IF NOT EXISTS orders (id INTEGER PRIMARY KEY AUTOINCREMENT, customerId INTEGER, price INT)
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// CREATE TABLE IF NOT EXISTS clientes (id INTEGER PRIMARY KEY AUTOINCREMENT, nombre TEXT, edad TEXT)
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var $this = this;
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var deferred = $q.defer();
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_db.transaction(function () {
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// Build
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var d, t, tableEmpty,
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sql = 'CREATE TABLE IF NOT EXISTS ' + table + ' (',
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f = true;
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$this.tableExists(table)
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.then(function (result) {
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tableEmpty = result && result.rows && (result.rows.length > 0);
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angular.forEach(definition, function (d, c) {
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if (c !== '__dropTable') {
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if (f) {
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f = false;
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} else {
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sql += ',';
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}
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sql += ' ' + c;
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if (typeof d === 'string') {
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t = d.toUpperCase();
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d = { };
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} else if (d) {
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t = (d.type || '').toUpperCase();
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} else {
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d = { };
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}
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if (t === 'KEY') {
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sql += ' INTEGER PRIMARY KEY AUTOINCREMENT';
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} else {
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// type
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switch (t) {
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case 'BOOL':
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case 'BOOLEAN':
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case 'INTEGER':
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case 'INT':
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sql += ' INTEGER';
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break;
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case 'REAL':
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case 'DECIMAL':
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case 'FLOAT':
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sql += ' REAL';
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break;
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case 'BLOB':
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case 'LONGTEXT':
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sql += ' BLOB';
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break;
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// case 'TEXT':
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// case 'DATE':
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// case 'DATETIME':
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default:
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sql += d.foreign ? ' INTEGER' : ' TEXT';
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break;
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}
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// primary
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if (d.primary) {
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sql += ' PRIMARY KEY';
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}
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// autoincrement
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if (d.autoincrement) {
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sql += ' AUTOINCREMENT';
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}
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// unique
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if (d.unique) {
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sql += ' UNIQUE';
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}
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// NOT NULL
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if (d.null === false) {
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sql += ' NOT NULL';
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} else {
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// IS NULL
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sql += ' NULL';
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}
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// default
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if (d.default !== undefined) {
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sql += ' DEFAULT ' + prepareVar(d.default, true, true);
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}
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// Foreign
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if (d.foreign) {
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if (typeof d.foreign === 'string') {
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f = d.foreign.split('.');
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d = {
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table: f[0],
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key: f[1] || 'id'
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};
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} else {
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d = d.foreign;
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if (!d.key) {
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d.key = 'id';
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}
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}
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sql += ' REFERENCES ' + d.table + '(' + d.key + ')';
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}
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}
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}
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})
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// Foreign (other method)
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// for (c in definition) {
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// if (definition.hasOwnProperty(c)) {
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// d = definition[c];
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// if (d && (typeof d !== 'string') && d.foreign) {
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// if (typeof d.foreign === 'string') {
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// f = d.foreign.split('.');
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// d = {
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// table: f[0],
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// key: f[1]
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// };
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// } else {
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// d = d.foreign;
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// }
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// sql += ', FOREIGN KEY(' + c + ') REFERENCES ' + d.table + '(' + d.key + ')';
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// }
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// }
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// }
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sql += ' )';
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// Finish
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function _finish() {
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deferred.resolve();
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}
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// Create table
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function _ct() {
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var q = $this.execute(sql);
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if (!tableEmpty && initData) {
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q.then(function () {
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$this.insert(table, initData)
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.then(_finish);
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});
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} else {
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q.then(_finish)
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}
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}
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// Drop table
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if (definition.__dropTable) {
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$this.execute('DROP TABLE IF EXISTS ' + table).then(_ct);
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} else {
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_ct();
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}
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});
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});
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return deferred.promise;
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},
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/**
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* Drop Table if Exists.
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*
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* @param {String} table Table Name.
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*/
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dropTable: function (table) {
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var deferred = $q.defer();
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_db.transaction(function (tx) {
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var sql = 'DROP TABLE IF EXISTS ' + table;
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console.log('$SQLite', 'dropTable', sql);
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tx.executeSql(sql, [],
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function (tx, results) { deferred.resolve(results); },
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function (tx, error) { console.error(error); deferred.reject(error); });
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});
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return deferred.promise;
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},
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/**
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* Execute Query.
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*
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* @param {String} sql Script SQL to execute.
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* SELECT * FROM usuarios WHERE username = ? AND password = ?
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* @param {Array|Function} params
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* {Array}: Parameters.
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* [ 'user', '123456' ]
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*/
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execute: function (sql, params) {
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var t = this;
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var deferred = $q.defer();
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sql = '' + sql;
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_db.transaction(function (tx) {
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params = prepareParams(params);
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console.log('$SQLite', 'execute', sql, params);
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tx.executeSql(sql, params,
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function (tx, results) { deferred.resolve(results); },
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function (tx, error) { console.error(error); deferred.reject(error); });
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});
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return deferred.promise;
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},
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/**
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* Select Query.
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*
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* @param {String} sql Script SQL to execute.
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* SELECT * FROM usuarios WHERE username = ? AND password = ?
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* @param {Array|Function} params
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* {Array}: Parameters.
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* [ 'user', '123456' ]
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*/
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select: function (sql, params) {
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var t = this;
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var deferred = $q.defer();
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sql = '' + sql;
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_db.transaction(function (tx) {
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params = prepareParams(params);
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console.log('$SQLite', 'select', sql, params);
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tx.executeSql(sql, params, function (tx, results) {
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var len = results.rows.length, i;
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if (len > 0) {
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// For each item...
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for (i = 0; i < len; i++) {
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deferred.notify({
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result: results,
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item: results.rows.item(i),
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index: i,
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count: len
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});
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}
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} else {
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// Empty
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deferred.resolve(results);
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}
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}, function (tx, error) { console.error(error); deferred.reject(error); });
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});
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return deferred.promise;
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},
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/**
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* Select Query.
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*
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* @param {String} sql Script SQL to execute.
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* SELECT * FROM usuarios WHERE username = ? AND password = ?
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* @param {Array|Function} params
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* {Array}: Parameters.
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* [ 'user', '123456' ]
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*/
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selectFirst: function (sql, params) {
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var t = this;
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var deferred = $q.defer();
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sql = '' + sql;
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_db.transaction(function (tx) {
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params = prepareParams(params);
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console.log('$SQLite', 'selectFirst', sql, params);
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tx.executeSql(sql, params, function (tx, results) {
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var len = results.rows.length;
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if (len > 0) {
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// First item
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deferred.notify({
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result: results,
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item: results.rows.item(0),
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count: len
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||
|
|
});
|
||
|
|
} else {
|
||
|
|
// Empty
|
||
|
|
deferred.resolve(results);
|
||
|
|
}
|
||
|
|
}, function (tx, error) { console.error(error); deferred.reject(error); });
|
||
|
|
});
|
||
|
|
|
||
|
|
return deferred.promise;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Select Query.
|
||
|
|
*
|
||
|
|
* @param {String} sql Script SQL to execute.
|
||
|
|
* SELECT * FROM usuarios WHERE username = ? AND password = ?
|
||
|
|
* @param {Array|Function} params
|
||
|
|
* {Array}: Parameters.
|
||
|
|
* [ 'user', '123456' ]
|
||
|
|
*/
|
||
|
|
selectAll: function (sql, params, fnResult, fnEmpty) {
|
||
|
|
var t = this;
|
||
|
|
var deferred = $q.defer();
|
||
|
|
sql = '' + sql;
|
||
|
|
|
||
|
|
_db.transaction(function (tx) {
|
||
|
|
params = prepareParams(params);
|
||
|
|
console.log('$SQLite', 'selectAll', sql, params);
|
||
|
|
tx.executeSql(sql, params, function (tx, results) {
|
||
|
|
var len = results.rows.length, i;
|
||
|
|
if (len > 0) {
|
||
|
|
var rows = [];
|
||
|
|
for (i = 0; i < len; i++) {
|
||
|
|
rows.push(results.rows.item(i));
|
||
|
|
}
|
||
|
|
// All items
|
||
|
|
deferred.notify({
|
||
|
|
result: results,
|
||
|
|
rows: rows,
|
||
|
|
count: len
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
// Empty
|
||
|
|
deferred.resolve(results);
|
||
|
|
}
|
||
|
|
}, function (tx, error) { console.error(error); deferred.reject(error); });
|
||
|
|
});
|
||
|
|
|
||
|
|
return deferred.promise;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Insert.
|
||
|
|
*
|
||
|
|
* @param {String} table Table name.
|
||
|
|
* @param {Object|Array} data Column data.
|
||
|
|
* { id: 1, name: 'test' }
|
||
|
|
* [{ id: 1, name: 'test' }, { id: 2, name: 'foo' }]Finish!');
|
||
|
|
*/
|
||
|
|
insert: function (table, data) {
|
||
|
|
return insert_replace.call(this, 'INSERT', table, data);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Replace.
|
||
|
|
*
|
||
|
|
* @param {String} table Table name.
|
||
|
|
* @param {Object|Array} data Column data.
|
||
|
|
* { id: 1, name: 'test' }
|
||
|
|
* [{ id: 1, name: 'test' }, { id: 2, name: 'foo' }]
|
||
|
|
*/
|
||
|
|
replace: function (table, data) {
|
||
|
|
return insert_replace.call(this, 'REPLACE', table, data);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns TRUE if table exists.
|
||
|
|
*
|
||
|
|
* @param {String} tableName Table name.
|
||
|
|
*/
|
||
|
|
tableExists: function (tableName) {
|
||
|
|
var t = this;
|
||
|
|
var deferred = $q.defer();
|
||
|
|
|
||
|
|
_db.transaction(function (tx) {
|
||
|
|
var sql = "SELECT name FROM sqlite_master WHERE type='table' AND name=?;";
|
||
|
|
console.log('$SQLite', 'tableExists', sql, tableName);
|
||
|
|
tx.executeSql(
|
||
|
|
sql, [ tableName ],
|
||
|
|
function (tx, results) { deferred.resolve(results); },
|
||
|
|
function (tx, error) { console.error(error); deferred.reject(error); }
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
return deferred.promise;
|
||
|
|
},
|
||
|
|
|
||
|
|
init: function (initFn) {
|
||
|
|
console.log('$SQLite', 'init', 'start');
|
||
|
|
var _ = this,
|
||
|
|
stepCount = 1;
|
||
|
|
_.init = _.ready;
|
||
|
|
|
||
|
|
if (angular.isFunction(initFn)) {
|
||
|
|
var actions = {
|
||
|
|
step: function () { stepCount++; },
|
||
|
|
done: function () { actions.finish(); },
|
||
|
|
finish: function () {
|
||
|
|
stepCount--;
|
||
|
|
if (stepCount === 0) {
|
||
|
|
_initDeferred.resolve();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
initFn.apply(_, [actions]);
|
||
|
|
}
|
||
|
|
|
||
|
|
_initDeferred.promise.then(function () {
|
||
|
|
console.log('$SQLite', 'init', 'ready');
|
||
|
|
_db_initialited = true;
|
||
|
|
if (_initFns.length) {
|
||
|
|
for (var i = 0; i < _initFns.length; i++) {
|
||
|
|
_initFns[i].apply(_);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
console.log('$SQLite', 'init', 'finish');
|
||
|
|
});
|
||
|
|
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
ready: function (fn) {
|
||
|
|
if (!angular.isFunction(fn)) throw 'Error! "fn" is not a Function';
|
||
|
|
|
||
|
|
if (_db_initialited) {
|
||
|
|
fn.apply(this);
|
||
|
|
} else {
|
||
|
|
_initFns.push(fn);
|
||
|
|
}
|
||
|
|
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
isReady: function () { return _db_initialited; }
|
||
|
|
};
|
||
|
|
});
|