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