kcal/app/Models/IngredientAmount.php

91 lines
2.4 KiB
PHP

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
/**
* @property float amount
* @property float unit
* @property int weight
* @property \App\Models\Ingredient ingredient
* @property \App\Models\Recipe recipe
*/
class IngredientAmount extends Model
{
use HasFactory;
/**
* @inheritdoc
*/
protected array $fillable = [
'amount',
'unit',
'weight',
];
/**
* @inheritdoc
*/
protected array $with = ['ingredient'];
/**
* Get the Ingredient this amount belongs to.
*/
public function ingredient(): BelongsTo {
return $this->belongsTo(Ingredient::class);
}
/**
* Get the Recipe this amount belongs to.
*/
public function recipe(): BelongsTo {
return $this->belongsTo(Recipe::class);
}
/**
* Get total calories for the ingredient amount.
*/
public function calories(): float {
return $this->ingredient->calories * $this->amount * $this->unitMultiplier();
}
/**
* Get total protein for the ingredient amount.
*/
public function protein(): float {
return $this->ingredient->protein * $this->amount * $this->unitMultiplier();
}
/**
* Get total fat for the ingredient amount.
*/
public function fat(): float {
return $this->ingredient->fat * $this->amount * $this->unitMultiplier();
}
/**
* Get total carbohydrates for the ingredient amount.
*/
public function carbohydrates(): float {
return $this->ingredient->carbohydrates * $this->amount * $this->unitMultiplier();
}
/**
* Get the multiplier for the ingredient unit and ingredient amount unit.
*/
private function unitMultiplier(): float {
return match (true) {
$this->ingredient->unit === 'tsp' && $this->unit === 'tbsp' => 3,
$this->ingredient->unit === 'tsp' && $this->unit === 'cup' => 48,
$this->ingredient->unit === 'tbsp' && $this->unit === 'tsp' => 1/3,
$this->ingredient->unit === 'tbsp' && $this->unit === 'cup' => 16,
$this->ingredient->unit === 'cup' && $this->unit === 'tsp' => 1/48,
$this->ingredient->unit === 'cup' && $this->unit === 'tbsp' => 1/16,
default => 1
};
}
}