Flask Framework Cookbook - Second Edition

How to do it...

We simply have to modify our views for product handling to extend the MethodView class in views.py:

import jsonfrom flask.views import MethodView, abort 
 
class ProductView(MethodView): 
 
    def get(self, id=None, page=1): 
        if not id: 
            products = Product.query.paginate(page, 10).items 
            res = {} 
            for product in products: 
                res[product.id] = { 
                    'name': product.name, 
                    'price': product.price, 
                    'category': product.category.name 
                } 
        else: 
            product = Product.query.filter_by(id=id).first() 
            if not product: 
                abort(404) 
            res = json.dumps({ 
                'name': product.name, 
                'price': product.price, 
                'category': product.category.name 
            }) 
        return res 

The preceding get() method searches for the product and sends back a JSON result.

Similarly, we can write the post(), put() ...