First version

src/Models/Ingredient.php

@@ -0,0 +1,106 @@
+<?php
+namespace CookidooShoppingAdvanced\Models;
+
+use CookidooShoppingAdvanced\Normalizer;
+
+class Ingredient implements \JsonSerializable {
+    private string $id;
+    private Category $category;
+    private string $name;
+    private string $amount;
+    private string $unit;
+
+    private string $cleanName = '';
+    private array $merged = [];
+
+    public function __construct(
+        Category $category, 
+        string $name, 
+        string $amount = '', 
+        string $unit = '')
+    {
+        $this->id = uniqid();
+        $this->category = $category;
+        $this->name = $name;
+        $this->amount = $amount;
+        $this->unit = $unit;
+
+        $this->merged[] = clone $this;
+    }
+
+    public function isValid(): bool {
+        return !empty($this->name);
+    }
+
+    public function getId(): string {
+        return $this->id;
+    }
+
+    public function getCategory(): Category {
+        return $this->category;
+    }
+
+    public function getName(): string {
+        return $this->name;
+    }
+
+    public function getCleanName(): string {
+        if (!empty($this->cleanName)) {
+            return $this->cleanName;
+        }
+
+        $this->cleanName = Normalizer::normalize($this->name);
+        return $this->cleanName;
+    }
+
+    public function setCleanName(string $cleanName): void {
+        $this->cleanName = $cleanName;
+    }
+
+    public function getAmount(): string {
+        return $this->amount;
+    }
+
+    public function setAmount(string $amount): void {
+        $this->amount = $amount;
+    }
+
+    public function getUnit(): string {
+        return $this->unit;
+    }
+
+    // debug info
+    public function addMerged(Ingredient $ingredient) {
+        $this->merged[] = $ingredient;
+    }
+
+    public function getMerged(): array {
+        if (count($this->merged) === 1) {
+            return [];
+        }
+
+        return $this->merged;
+    }
+
+    public function __toString(): string
+    {
+        $amount = $this->getAmount() ?: '';
+        $unit = $this->getUnit() ?: '';
+        $amountAndUnit = trim(sprintf('%s %s', $amount, $unit));
+
+        if (!empty($amountAndUnit)) {
+            $amountAndUnit = ' ' . $amountAndUnit;
+        }
+
+        return $this->getName() . $amountAndUnit;
+    }
+
+    public function jsonSerialize() {
+        return [
+            'name' => $this->name,
+            'amount' => $this->amount,
+            'unit' => $this->unit,
+            'category' => $this->category,
+        ];
+    }
+}