Sencha Touch Cookbook by Unknown

Author:Unknown
Format: epub

Getting ready

Make sure that you have set up your development environment by following the recipes outlined in Chapter 1, Gear Up for the Journey.

Make sure that you have the ch05 folder created inside the www folder.

How to do it...

Carry out the following steps:

Create and open a new file named ch05_14.js and paste the following code into it:Ext.application({ name : 'MyApp', launch: function() { Ext.define('User', { extend: 'Ext.data.Model', config: { fields: [ {name: 'id', type: 'int'}, {name: 'name', type: 'string'}, {name: 'age', type: 'int'}, {name: 'phone', type: 'string'}, {name: 'email', type: 'string'}, {name: 'alive', type: 'boolean', defaultValue: true} ], hasMany: {model: 'Address', name: 'addresses'}, proxy: { type: 'sql', database: 'Cookbook', model : 'User' } } }); Ext.define('Address', { extend: 'Ext.data.Model', config: { fields: ['id', 'line1', 'line2', 'zipcode', 'state', 'country', 'user_id'], belongsTo: 'User', proxy: { type: 'sql', database: 'Cookbook', model : 'Address' } } }); var user = Ext.create('User', { name : 'Ajit Kumar', age : 24, phone: '555-555-5555', email: '[email protected]' }); //create a user in the database user.save({ success: function(record) { console.log('The User was saved'); var userId = record.get('id'); //create an address in the database for the created user var addr = Ext.create('Address', { user_id: userId, line1: 'Flat# 101, Plot# 101, Elegance Apartment', line2: 'New SBH Colony, East Maredpally, Hyderabad', zipcode: '500023', state: 'AP', country: 'India' }); addr.save({ success: function() { console.log('The Address was saved'); User = Ext.ModelMgr.getModel('User'); //load the recently added user from database User.load(userId, { success: function(record, operation) { console.log('The User was loaded'); alert('Name: ' + record.get('name') + ' : Addresses : ' + record.addresses().getCount()); }}); } }); }}); } });

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