QuestionsController.groovy

package questions

class QuestionsController {
    //   GET /customers/$id/questions/pending/items
    def customerItemsWithPendingQuestions = {
        def items = Item.findAllByPendingQuestionsGreaterThan(0)
        render items as JSON
    }

    //   GET /items/$id/questions/pending 
    def itemPendingQuestions = {
        def questions = Question.findAllByItemAndStatus(params.id, Question.PENDING)
        render questions as JSON
    }

    //   POST /items/$id/questions
    def askAQuestion = {
        def item = Item.load(param.id)

        // creates a new question for the item. save the question and increse the amount of pendingQuestions in the item and save the item.
        def question = item.ask(params)
    }

    //   POST /questions/$id/answers
    def answerAQuestion = {
        def question = Question.load(params.id)

        //creates a new Answer and save it. reduce the amount of pendingQuestions in the item and increase the amount of answered questions and save the item.
        def answer = question.answer(params) 
    }
}