mirror of https://github.com/kcal-app/kcal.git
132 lines
3.3 KiB
PHP
132 lines
3.3 KiB
PHP
<?php
|
|
|
|
namespace App\Models;
|
|
|
|
use Illuminate\Database\Eloquent\Factories\HasFactory;
|
|
use Illuminate\Database\Eloquent\Model;
|
|
use Illuminate\Database\Eloquent\Relations\BelongsTo;
|
|
|
|
/**
|
|
* @property int id
|
|
* @property float amount Amount of food.
|
|
* @property ?string unit Food unit (tsp, tbsp, cup, or grams).
|
|
* @property int weight Weight of food in full food list (lowest first).
|
|
* @property \App\Models\Food food
|
|
* @property \App\Models\Recipe recipe
|
|
* @property \Illuminate\Support\Carbon created_at
|
|
* @property \Illuminate\Support\Carbon updated_at
|
|
* @method float calories Get total calories.
|
|
* @method float carbohydrates Get total carbohydrates.
|
|
* @method float cholesterol Get total cholesterol.
|
|
* @method float fat Get total fat.
|
|
* @method float protein Get total protein.
|
|
* @method float sodium Get total sodium.
|
|
*/
|
|
class FoodAmount extends Model
|
|
{
|
|
use HasFactory;
|
|
|
|
/**
|
|
* @inheritdoc
|
|
*/
|
|
protected $fillable = [
|
|
'amount',
|
|
'unit',
|
|
'weight',
|
|
];
|
|
|
|
/**
|
|
* The attributes that should be cast.
|
|
*/
|
|
protected $casts = [
|
|
'amount' => 'float',
|
|
'weight' => 'int',
|
|
];
|
|
|
|
/**
|
|
* @inheritdoc
|
|
*/
|
|
protected $with = ['food'];
|
|
|
|
/**
|
|
* Nutrient calculation methods.
|
|
*/
|
|
private array $nutrientMethods = [
|
|
'calories',
|
|
'carbohydrates',
|
|
'cholesterol',
|
|
'fat',
|
|
'protein',
|
|
'sodium',
|
|
];
|
|
|
|
/**
|
|
* Get the Food this amount belongs to.
|
|
*/
|
|
public function food(): BelongsTo {
|
|
return $this->belongsTo(Food::class);
|
|
}
|
|
|
|
/**
|
|
* Get the Recipe this amount belongs to.
|
|
*/
|
|
public function recipe(): BelongsTo {
|
|
return $this->belongsTo(Recipe::class);
|
|
}
|
|
|
|
/**
|
|
* Add nutrient calculations handling to overloading.
|
|
*
|
|
* @param string $method
|
|
* @param array $parameters
|
|
*
|
|
* @return mixed
|
|
*
|
|
* @noinspection PhpMissingParamTypeInspection
|
|
*/
|
|
public function __call($method, $parameters): mixed {
|
|
if (in_array($method, $this->nutrientMethods)) {
|
|
return $this->food->{$method} * $this->unitMultiplier();
|
|
}
|
|
else {
|
|
return parent::__call($method, $parameters);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the multiplier for nutrient calculations based on serving data.
|
|
*/
|
|
private function unitMultiplier(): float {
|
|
if ($this->unit === 'oz') {
|
|
return $this->amount * 28.349523125 / $this->food->serving_weight;
|
|
}
|
|
|
|
if ($this->food->serving_unit === $this->unit) {
|
|
$multiplier = 1;
|
|
}
|
|
elseif ($this->unit === 'tsp') {
|
|
$multiplier = match ($this->food->serving_unit) {
|
|
'tbsp' => 1/3,
|
|
'cup' => 1/48,
|
|
};
|
|
}
|
|
elseif ($this->unit === 'tbsp') {
|
|
$multiplier = match ($this->food->serving_unit) {
|
|
'tsp' => 3,
|
|
'cup' => 1/16,
|
|
};
|
|
}
|
|
elseif ($this->unit === 'cup') {
|
|
$multiplier = match ($this->food->serving_unit) {
|
|
'tsp' => 48,
|
|
'tbsp' => 16,
|
|
};
|
|
}
|
|
else {
|
|
throw new \DomainException("Unhandled unit combination: {$this->unit}, {$this->food->serving_unit}");
|
|
}
|
|
|
|
return $multiplier / $this->food->serving_size * $this->amount;
|
|
}
|
|
}
|