meal_homework/mealapi/resources/mealresource.py

#!/usr/bin/env python3
from flask_restful import Resource
from flask import request, current_app, abort
from marshmallow import ValidationError

from model import db, Meal
from schemas import MealSchema


class MealBaseResource(Resource):

    mealschema = MealSchema(many=False)
    mealschemas = MealSchema(many=True)

    def post(self):
        body = request.get_json()

        try:
            self.mealschema.load(body, session=db.session)
            db.session.commit()
            return '', 204
        except ValidationError as error:
            abort(406, error.messages)

    def get(self):
        meals = Meal.query.all()
        return self.mealschemas.dump(list(meals)), 200