Defining our models

Our Project, Task, and TaskLog models were created with basic fields using Sencha Cmd in Chapter 9, Getting Started with Ext JS 4, but they lacked in persistence or validation logic. It is now time to add the required code.

The TaskLog Model

The TaskLog model is the most complicated model in our application. The complete TaskLog model with all required logic is as follows:

Ext.define('TTT.model.TaskLog', {
    extend: 'Ext.data.Model',    
    fields: [
        { name: 'idTaskLog', type: 'int', useNull:true },
        { name: 'taskDescription', type: 'string' },
        { name: 'taskLogDate', type: 'date', dateFormat:'Ymd' }, { name: 'taskMinutes', type: 'int' }, { name: 'hours', type: 'float', persist:false, convert:function(value, record){ return record.get('taskMinutes') ...

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