subline/views/dashboardPage/js/classes/Transaction.js

class TransactionRecipe{
    constructor(recipe, quantity, merchant){
        this._recipe = merchant.getRecipe(recipe);
        this._quantity = quantity;
    }

    get recipe(){
        return this._recipe;
    }

    get quantity(){
        return this._quantity;
    }
}

class Transaction{
    constructor(id, date, recipes, parent){
        this._id = id;
        this._date = new Date(date);
        this._recipes = [];

        for(let i = 0; i < recipes.length; i++){
            this._recipes.push(new TransactionRecipe(
                recipes[i].recipe,
                recipes[i].quantity,
                parent
            ));
        }
    }

    get id(){
        return this._id;
    }

    get date(){
        return this._date;
    }

    get recipes(){
        return this._recipes;
    }

    /*
    Gets the quantity for a given ingredient
    */
    getIngredientQuantity(ingredient){
        let quantity = 0;

        let traverseSubIngredients = (current, main)=>{
            if(current.ingredient === main) return current.quantity;

            for(let i = 0; i < current.ingredient.subIngredients.length; i++){
                return traverseSubIngredients(current.ingredient.subIngredients[i], main);
            }

            return 0;
        }

        for(let i = 0; i < this._recipes.length; i++){
            const recipe = this._recipes[i].recipe;
            for(let j = 0; j < recipe.ingredients.length; j++){
                let actualIngredient = recipe.ingredients[j].ingredient;
                if(actualIngredient === ingredient){
                    quantity += recipe.ingredients[j].quantity * this._recipes[i].quantity;
                }else{
                    for(let k = 0; k < actualIngredient.subIngredients.length; k++){
                        quantity += traverseSubIngredients(actualIngredient.subIngredients[i], ingredient) * this._recipes.quantity;
                    }
                    
                }
            }
        }

        return quantity;
    }
}

module.exports = Transaction;