Delivering data from MongoDB

To deliver data from MongoDB, we modify the sweetscomplete.domain.product.ProductService domain service class. As per the action-domain-responder pattern, the domain service has no knowledge of what format the output takes. The only concern of the new method is to make sure it delivers a list of sweetscomplete.entity.product.Product entities that contain the information needed. Formatting is handled by the responder class.

The new method, fetchAllKeysTitlesPricesForAjax(), returns a list of products that includes productKey, title, and price:

    # sweetscomplete.domain.product.ProductService
    def fetchAllKeysTitlesPricesForAjax(self, skip = 0, limit = 0) :
        projection = dict({"productKey":1,"title":1,"price":1,"_id":0})
        result = []
        for doc in self.db.products.find(None, projection, skip, limit) :
            result.append(doc)
        return result

In addition, we need a very simple...