120 lines
3.0 KiB
PHP
120 lines
3.0 KiB
PHP
<?php
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namespace CookidooShoppingAdvanced\Models;
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class ShoppingList implements \ArrayAccess, \Iterator {
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/** @var Ingredient[] */
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private array $ingredients = [];
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private int $index = 0;
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public function add(Ingredient $ingredient) {
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$this->ingredients[] = $ingredient;
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}
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public function remove(Ingredient $ingredientToRemove): void {
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$result = [];
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foreach($this->ingredients as $ingredient) {
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if ($ingredient->getId() === $ingredientToRemove->getId()) {
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continue;
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}
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$result[] = $ingredient;
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}
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$this->ingredients = $result;
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}
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public function update(Ingredient $ingredientToUpdate): void {
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foreach($this->ingredients as $key => $ingredient) {
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if ($ingredient->getId() === $ingredientToUpdate->getId()) {
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$this->ingredients[$key] = $ingredientToUpdate;
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return;
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}
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}
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}
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public function get(): array {
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return $this->ingredients;
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}
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public function getByCategory(): array {
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$result = [];
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foreach($this->ingredients as $ingredient) {
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if (!isset($result[$ingredient->getCategory()->getName()])) {
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$result[$ingredient->getCategory()->getName()] = [];
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}
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$result[$ingredient->getCategory()->getName()][] = $ingredient;
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}
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return $result;
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}
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public function isEmpty(): bool {
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return empty($this->ingredients);
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}
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public function rewind() {
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$this->index = 0;
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}
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public function current() {
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return $this->ingredients[$this->index];
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}
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public function key() {
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return $this->index;
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}
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public function next() {
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++$this->index;
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}
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public function valid(): bool {
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return isset($this->ingredients[$this->index]);
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}
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public function offsetSet($offset, $value) {
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if (is_null($offset)) {
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$this->ingredients[] = $value;
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} else {
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$this->ingredients[$offset] = $value;
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}
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}
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public function offsetExists($offset) {
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return isset($this->ingredients[$offset]);
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}
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public function offsetUnset($offset) {
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unset($this->ingredients[$offset]);
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}
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public function offsetGet($offset) {
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return isset($this->ingredients[$offset]) ? $this->ingredients[$offset] : null;
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}
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public function toJson(): string {
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return json_encode($this->ingredients);
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}
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public static function fromJson(string $json): self {
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$list = new self();
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if (empty($json)) {
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return $list;
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}
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$data = json_decode($json);
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foreach($data as $entry) {
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$ingredient = new Ingredient(
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new Category($entry->category->name),
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$entry->name,
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$entry->amount,
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$entry->unit,
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);
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$list->add($ingredient);
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}
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return $list;
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}
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} |