Ext JS Application Development Blueprints

The payload

An interesting feature of associations is that it allows for the use of nested data. By loading data for the questionnaire and its steps and questions as a single JSON object, the child's steps and questions association will be populated too. For example, take a look at this JSON:

{
    "id": 1,
    "title": "Quiz Questions!"
    "introduction": "Welcome!",
    "conclusion": "Thanks!",
    "steps": [
        {
            "id": 1,
            "title": "Round 1"
            "introduction": "Welcome to Round One!",
            "questionnaireId": 1,
            "questions": [{
                "id": 1,
                "questionText": "Turku is the third largest city by population of which European country?",
                "required": true,
                "stepId": 1,
                "type": "textfield"
            }],
        }
    ]
}

This object includes data for the questionnaire with an array of child steps. The steps ...