Meal Planning

A.Meal Planning.md

Meal Planning

api.rb

class Api::V1::MealsController < ApplicationController
  def weekly_meals
    items_by_category = Item.all.group_by(&:category)
    counter = {}
    temp = {
      Monday: {
        lunch: [],
        dinner: []
      },
      Tuesday: {
        lunch: [],
        dinner: []
      },
      Wednesday: {
        lunch: [],
        dinner: []
      },
      Thursday: {
        lunch: [],
        dinner: []
      },
      Friday: {
        lunch: [],
        dinner: []
      }
    }
    @meals = Day.all.each_with_object(temp) do |day, acc|
      acc[day.name.to_sym][:lunch] = items_by_category.values.each_with_object([]) do |meals, memo|
        picked_meal = meals.sample
        counter[picked_meal] = counter[picked_meal].nil? ? 1 : 2
        memo.push(picked_meal)
        items_by_category[picked_meal.category] -= [picked_meal] if counter[picked_meal] > 1
        memo
      end

      acc[day.name.to_sym][:dinner] = items_by_category.values.each_with_object([]) do |meals, memo|
        picked_meal = meals.sample
        counter[picked_meal] = counter[picked_meal].nil? ? 1 : 2
        memo.push(picked_meal)
        items_by_category[picked_meal.category] -= [picked_meal] if counter[picked_meal] > 1
        memo
      end
      acc
    end
  end
end